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revision 587 by jonathan, Tue Apr 1 15:57:28 2003 UTC revision 823 by jonathan, Mon May 5 18:20:39 2003 UTC
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1    2003-05-05  Jonathan Coles   <[email protected]>
2    
3            Addresses the "Full Layer Extent" wish of RTbug #1787.
4    
5            * Resources/Projections/defaults.proj: Added UK National Grid.
6    
7            * Thuban/UI/mainwindow.py: Added new "Full layer extent" menu option.
8            (MainWindow.FullLayerExtent): New. Calls MapCanvas.FitLayerToWindow()
9            when the user selects the menu option.
10    
11            * Thuban/UI/view.py (MapCanvas.FitLayerToWindow): New. Centers and
12            scales the given layer on the canvas using the map projection.
13    
14    2003-05-05  Bernhard Herzog  <[email protected]>
15    
16            Convert the table implementations to a new table interface. All
17            tables use a common mixin class to provide backwards compatibility
18            until all table users have been updated.
19    
20            * Thuban/Model/table.py (OldTableInterfaceMixin): Mixin class to
21            provide backwards compatibility for table classes implementing the
22            new interface
23            (DBFTable, MemoryTable): Implement the new table interface. Use
24            OldTableInterfaceMixin as base for compatibility
25            (DBFColumn, MemoryColumn): New. Column description for DBFTable
26            and MemoryTable resp.
27    
28            * test/test_dbf_table.py: New. Test cases for the DBFTable with
29            the new table interface.
30    
31            * test/test_memory_table.py: New. Test cases for the MemoryTable
32            with the new table interface.
33    
34            * test/test_table.py: Document the all tests in this file as only
35            for backwards compatibility. The equivalent tests for the new
36            interface are in test_memory_table.py and test_dbf_table.py
37            (MemoryTableTest.test_read): field_info should be returning tuples
38            with four items
39            (MemoryTableTest.test_write): Make doc-string a more precise.
40    
41            * Thuban/Model/transientdb.py (TransientTableBase): Convert to new
42            table interface. Derive from from OldTableInterfaceMixin for
43            compatibility.
44            (TransientTableBase.create): New intance variable column_map to
45            map from names and indices to column objects
46            (TransientTable.create): Use the new table interface of the input
47            table
48            (AutoTransientTable): Convert to new table interface. Derive from
49            from OldTableInterfaceMixin for compatibility.
50            (AutoTransientTable.write_record): Removed. It's not implemented
51            yet and we still have to decide how to handle writing with the new
52            table and data framework.
53    
54            * test/test_transientdb.py
55            (TestTransientTable.run_iceland_political_tests)
56            (TestTransientTable.test_transient_joined_table): Use the new
57            table interface
58    
59    2003-05-05  Jonathan Coles   <[email protected]>
60    
61            This is namely a collection of UI updates to improve user interactivity.
62            Tabbing between controls now exists and you can use ESC to close dialog
63            boxes; ENTER will active the default button.
64    
65            * Thuban/UI/classgen.py (ClassGenDialog.__init__): Rearrange the
66            order that the controls are created so that tabbing works correctly.
67            (ClassGenDialog.OnOK): Renamed from _OnGenerate() so that the
68            wxDialog can handle the default button correctly.
69            (ClassGenDialog.OnCancel): Renamed from _OnCloseBtn() for the
70            same reasons as for OnOK.
71            (GenUniformPanel._OnRetrieve): Call wxBeginBusyCursor/wxEndBusyCursor
72            when we ask the table for the maximum/minimum values of a field
73            which could take a very long time.
74    
75            * Thuban/UI/classifier.py (Classifier.__init__): Rearrange the
76            order that the controls are created so that tabbing works correctly.
77            (SelectPropertiesDialog.__init__): Rearrange the order that the
78            controls are created so that tabbing works correctly.
79    
80            * Thuban/UI/dialogs.py: Copied NonModalDialog box and changed it
81            to derive from a wxDialog but behave like the original implementation
82            which was derived from a wxFrame. wxDialog provides useful key
83            handling functionality like ESC calling OnCancel and ENTER calling
84            OnOK which is lost with wxFrame.
85    
86            * Thuban/UI/mainwindow.py: Add "..." to menu items that will open
87            new dialogs.
88    
89            * Thuban/UI/projdialog.py (ProjFrame.__init__): Rearrange the
90            order that the controls are created so that tabbing works correctly.
91            (ProjFrame.OnApply): Renamed from _OnTry() to use wxDialog behaviour.
92            (ProjFrame.OnOK): Renamed from _OnOK() to use wxDialog behaviour.
93            (ProjFrame.OnCancel): Renamed from _OnClose() to use wxDialog behaviour.
94            (ProjPanel.__init__): Add "Airy" to the list of ellipsoids so we
95            can provide the "UK National Grid" as a default projection.
96            (UTMPanel.__init__): Rearrange the order that the controls are
97            created so that tabbing works correctly.
98    
99    2003-05-05  Bernhard Herzog  <[email protected]>
100    
101            * extensions/thuban/wxproj.cpp: Fix some of the comments.
102            (project_point): If a map projection but no layer projection is
103            given, convert degrees to radians before applying the map
104            projection.
105    
106            * Thuban/UI/tableview.py (TableGrid.disallow_messages)
107            (TableGrid.allow_messages): New methods to make it possible to
108            inhibit message sending.
109            (TableGrid.issue): Only send the message if not inhibited.
110            (LayerTableGrid.select_shape): Use the new methods to make sure
111            that no ROW_SELECTED message is sent while we're updating the
112            selected rows to match the selected shapes.
113    
114    2003-05-02  Jan-Oliver Wagner <[email protected]>
115    
116            Implementation of MemoryTable.
117    
118            * Thuban/Model/table.py (MemoryTable): New. Quite simple table
119            implementation that operates on a list of tuples. All of the data
120            are kept in the memory.
121    
122            * test/test_table.py (MemoryTableTest): New.
123    
124            * test/test_transientdb.py (SimpleTable): Removed.
125            (TestTransientTable.test_transient_joined_table,
126            (TestTransientTable.test_transient_table_read_twice): Replaced
127            SimpleTable by MemoryTable.
128    
129    2003-04-30  Jonathan Coles   <[email protected]>
130    
131            * Data/iceland_sample.thuban: Now contains correct projections
132            for each of the layers.
133    
134            * Resources/Projections/defaults.proj: Geographic projection
135            contains unit conversion parameter.
136    
137    2003-04-30  Jonathan Coles   <[email protected]>
138    
139            The most important part of this putback is the projection changes.
140            It should now be possible to specify the projection that a layer
141            is in and then specify a different projection for the map. The
142            projection dialog has an extra parameter for a geographic projection
143            which lets the user select if the input is in degrees or radians.
144    
145            * Thuban/Model/layer.py (Layer.ShapesInRegion): Fix docstring
146            to say that the parameter is a tuple of unprojected
147            points (which is what the callers to this method were assuming).
148            Also, since the points are unprojected we need to projected them.
149    
150            * Thuban/UI/legend.py (LegendTree.MoveCurrentItemUp,
151            LegendTree.MoveCurrentItemDown): If the layer or any of the layer's
152            groups are selected, move the layer up/down. Fixes RTbug #1833.
153    
154            * Thuban/UI/mainwindow.py: Move menu item map_rename up.
155    
156            * Thuban/UI/projdialog.py (ProjFrame._OnSave): Add missing
157            parameter in call to SetClientData.
158            (GeoPanel): Add support for selecting the units that the
159            source data is in (Radians or Degrees).
160    
161            * Thuban/UI/renderer.py (MapRenderer.draw_shape_layer): Optimize
162            the rendering loop by reducing the number of if's, removing the
163            unnecessary try/except block, and checking if the old group
164            is the same as the new one (which happens a lot if there is
165            no classification, or lots of shapes are in the same group).
166    
167            * Thuban/UI/view.py (MapCanvas.OnPaint): Add a try/except block
168            around the redraw routine to try to catch problems that the user
169            may create by selecting invalid projections for the data set and
170            map. Clears the display if there are any problems and prints the
171            error.
172            (MapCanvas.do_redraw): Use DC.Clear() instead of drawing a filled
173            rectangle.
174    
175            * extensions/thuban/wxproj.cpp (project_point): First invert the
176            supplied point (which should be in projected coordinates) using
177            the layer's projection and then project the point using the
178            map's projection.
179            (project_points): Use project_point() to project each point.
180    
181    2003-04-30  Jan-Oliver Wagner <[email protected]>
182    
183            * Thuban/Model/layer.py (Layer.SetShapeStore): Fixed a bug:
184            don't set the Classification to None if the classfication field
185            is None (ie only a DEFAULT).
186    
187    2003-04-30  Bernhard Herzog  <[email protected]>
188    
189            * Thuban/UI/view.py: Fix some typos.
190    
191            * Thuban/UI/mainwindow.py (MainWindow.identify_view_on_demand): Do
192            not pop up the dialog if the selection becomes empty (this could
193            happen if e.g. a new selection is opened while the identify tool
194            is active and dialog had been closed)
195    
196    2003-04-30  Bernhard Herzog  <[email protected]>
197    
198            * Thuban/Model/transientdb.py (TransientTableBase.__init__): New
199            instance variable read_record_last_result
200            (TransientTableBase.read_record): Make sure reading the same
201            record twice works. The implementation uses the new instance
202            variable read_record_last_result
203    
204            * test/test_transientdb.py
205            (TestTransientTable.test_transient_table_read_twice): New test
206            case for the above bug-fix.
207    
208    2003-04-29  Jonathan Coles   <[email protected]>
209    
210            * Thuban/common.py: Removed. No longer needed Str2Num. RTbug #1832.
211    
212            * Thuban/UI/classgen.py: Remove all uses of Str2Num.
213    
214            * Thuban/UI/classifier.py: Remove all uses of Str2Num.
215            (ClassTable.SetValueAsCustom): Rename keyword argument in
216            ClassGroup* constructors to match argument name.
217    
218    2003-04-29  Bernhard Herzog  <[email protected]>
219    
220            * Thuban/Model/session.py (Session.Destroy): Explicitly close the
221            transient DB if it exists to make sure it doesn't leave a journal
222            file in the temp directory.
223    
224            * Thuban/Model/transientdb.py (TransientDatabase.close): Set
225            self.conn to None after closing the connection to make sure it's
226            not closed twice
227    
228    2003-04-29  Jonathan Coles   <[email protected]>
229    
230            Add a visible parameter in the layer XML tag. The default value is
231            "true". If anything other than "false" is specified we also assume
232            "true". Addresses RTbug #1025.
233    
234            * Doc/thuban.dtd: Add visible parameter to a layer.
235    
236            * Thuban/Model/layer.py (BaseLayer.__init__): Change default value
237            of visible from 1 to True.
238            (Layer.__init__): Change default value of visible from 1 to True.
239    
240            * Thuban/Model/load.py (SessionLoader.start_layer): Read visible
241            parameter.
242    
243            * Thuban/Model/save.py (SessionSaver.write_layer): Save visible
244            parameter.
245    
246            * test/test_load.py: Add new test data contents_test_visible.
247            (LoadSessionTest.setUp): save test data.
248            (LoadSessionTest.testLayerVisibility): Test if the visible flag
249            is loaded correctly.
250    
251            * test/test_save.py (SaveSessionTest.testSingleLayer): Add test
252            for saving an invisible layer.
253    
254    2003-04-29  Jonathan Coles   <[email protected]>
255    
256            * Thuban/UI/mainwindow.py (MainWindow.SetMap): Look up the
257            legend dialog box and tell it to change its map to the one
258            supplied to SetMap(). Fixes RTbug #1770.
259    
260    2003-04-29  Bernhard Herzog  <[email protected]>
261    
262            Next step of table implementation. Introduce a transient database
263            using SQLite that some of the data is copied to on demand. This
264            allows us to do joins and other operations that require an index
265            for good performance with reasonable efficiency. Thuban now needs
266            SQLite 2.8.0 and pysqlite 0.4.1. Older versions may work but I
267            haven't tested that.
268            
269            * Thuban/Model/transientdb.py: New. Transient database
270            implementation.
271    
272            * test/test_transientdb.py: New. Tests for the transient DB
273            classes.
274    
275            * Thuban/Model/session.py (AutoRemoveFile, AutoRemoveDir): New
276            classes to help automatically remove temporary files and
277            directories.
278            (Session.__init__): New instance variables temp_dir for the
279            temporary directory and transient_db for the SQLite database
280            (Session.temp_directory): New. Create a temporary directory if not
281            yet done and return its name. Use AutoRemoveDir to have it
282            automatically deleted
283            (Session.TransientDB): Instantiate the transient database if not
284            done yet and return it.
285    
286            * Thuban/Model/data.py (ShapefileStore.__init__): Use an
287            AutoTransientTable so that data is copied to the transient DB on
288            demand.
289            (SimpleStore): New class that simply combines a table and a
290            shapefile
291    
292            * Thuban/Model/table.py (Table, DBFTable): Rename Table into
293            DBFTable and update its doc-string to reflect the fact that this
294            is only the table interface to a DBF file. Table is now an alias
295            for DBFTable for temporary backwards compatibility.
296    
297            * Thuban/UI/application.py (ThubanApplication.OnExit): Make sure
298            the last reference to the session goes away so that the temporary
299            files are removed properly.
300    
301            * test/test_load.py (LoadSessionTest.tearDown): Remove the
302            reference to the session to make sure the temporary files are
303            removed.
304    
305    2003-04-29  Bernhard Herzog  <[email protected]>
306    
307            * Thuban/Model/load.py (XMLReader.__init__, XMLReader.read): Turn
308            the __parser instance variable into a normal local variable in
309            read. It's only used there and read will never be called more than
310            once. Plus it introduces a reference cycle that keeps can keep the
311            session object alive for a long time.
312    
313    2003-04-29  Jonathan Coles   <[email protected]>
314    
315            * Thuban/Model/proj.py (Projection): Removed Set*() methods to make
316            Projection an immutable item. Fixes RTbug #1825.
317            (Projection.__init__): Initialize instance variables here.
318            (ProjFile.Replace): New. Replace the given projection object with
319            the new projection object. This solves the problem of needing the
320            mutator Projection.SetProjection() in the ProjFrame class and
321            allows a projection to change parameters without changing its
322            location in the file.
323    
324            * Thuban/UI/mainwindow.py (MainWindow.SaveSessionAs): Dialog should
325            be of type wxSAVE and should verify overwriting a file.
326    
327            * Thuban/UI/projdialog.py (ProjFrame._OnSave): Use the new
328            ProjFile.Replace() method instead of the mutator
329            Projection.SetProjection(). Also requires that we reassign the
330            client data to the new projection.
331    
332            * test/test_proj.py (TestProjection.test): Test GetName() and
333            GetAllParameters()
334            (TestProjFile.test): Remove tests for Set*() methods. Add tests
335            for Replace().
336    
337    2003-04-25  Jonathan Coles   <[email protected]>
338    
339            * Thuban/Model/save.py (SessionSaver.write_projection): Make sure
340            to save the name of the projection.
341    
342            * test/test_save.py (SaveSessionTest.testLayerProjection): New
343            test to verify layer projections are saved correctly.
344    
345    2003-04-25  Jonathan Coles   <[email protected]>
346    
347            * Thuban/Model/proj.py (Projection.SetName): Set the name
348            to "Unknown" if name is None.
349            (Projection.SetAllParameters): New. Set the projection's
350            parameter list to the one supplied.
351            (Projection.SetProjection): New. Set the projection's
352            properties to those of the supplied Projection.
353    
354            * Thuban/UI/mainwindow.py (MainWindow.MapProjection): Set
355            the dialog title to include the map's title.
356            (MainWindow.LayerProjection): Set the dialog title to include
357            the layer's title.
358    
359            * Thuban/UI/projdialog.py (ProjFrame.__ShowError): Consolidate
360            error dialogs into a single method call.
361            (ProjFrame.__VerifyButtons): Add more states to check.
362            (ProjFrame.__GetProjection): Return the current state of an
363            edited projection or None.
364            (ProjFrame.__FillAvailList): Remove checks for states that
365            shouldn't exist.
366            (ProjFrame._OnNew): Clear all selected items and supply
367            a projection panel if necessary.
368    
369            * test/test_proj.py (TestProjFile.test): Add tests for
370            ProjFile.SetAllParameters, ProjFile.SetProjection,
371            ProjFile.SetName.
372    
373    2003-04-25  Jonathan Coles   <[email protected]>
374    
375            * Thuban/UI/projdialog.py (ProjFrame.__FillAvailList): Now
376            takes an optional argument to select the current projection.
377            This does not guarantee that the item is visible due to
378            limited wxWindows functionality. Fixes RTBug #1821.
379    
380    2003-04-25  Jonathan Coles   <[email protected]>
381    
382            * Thuban/Model/load.py (SessionLoader.start_projection): Remember
383            the projection name and use it when constructing the Projection
384            object.
385    
386            * Thuban/Model/proj.py (Projection.__init__): Change the default
387            value for 'name' to None and then test if name is equal to None
388            in the body of the constructor. This way the caller doesn't have to
389            know what the default value should be. Namely, useful in load.py
390            where we have to pick a default value if the 'name' parameter
391            doesn't exist in the XML file.
392    
393            * test/test_load.py (LoadSessionTest.testLayerProjection): New.
394            Tests a file where a layer has a projection.
395    
396    2003-04-25  Jonathan Coles   <[email protected]>
397    
398            * Thuban/Model/layer.py (Layer.TreeInfo): Add an item to the
399            tree for projection information.
400    
401            * Thuban/Model/load.py (XMLReader.GetFilename): Renamed from
402            XMLReader.GetFileName.
403            (SessionLoader): Added support for loading projection tags that
404            appear inside a layer.
405    
406            * Thuban/Model/proj.py (ProjFile): Document the class. Move
407            back to using a list because the order of the projections in
408            the file is important to maintain. Fixes RTbug #1817.
409    
410            * Thuban/Model/resource.py: Rename calls to ProjFile.GetFileName
411            to ProjFile.GetFilename.
412    
413            * Thuban/Model/save.py (SessionSaver.write_layer): Save projection
414            information.
415    
416            * Thuban/UI/projdialog.py (ProjFrame._OnAddToList): Renamed from
417            ProjFrame._OnSaveAs. Removed old dead code from previous
418            implementation.
419            (ProjFrame._OnExport): Add support for exporting more than one
420            projection to a single file.
421            (ProjFrame.__FillAvailList): use string formatting (% operator)
422            to build strings that are (partly) translated. Fixes RTbug #1818.
423    
424            * test/test_proj.py (TestProjFile.test): New. Tests the base ProjFile
425            class.
426    
427    2003-04-24  Bernhard Herzog  <[email protected]>
428    
429            * po/es.po: Updated Spanish translation by Daniel Calvelo Aros
430    
431            * po/fr.po: New. French translation by Daniel Calvelo Aros
432    
433            * Thuban/UI/projdialog.py (ProjFrame._OnSaveAs): Don't translate
434            empty strings.
435    
436    2003-04-24  Jonathan Coles   <[email protected]>
437    
438            * Thuban/Model/layer.py (Layer.GetProjection): New. Needed to
439            implement the interface that the ProjFrame dialog expects.
440    
441            * Thuban/Model/proj.py (Projection.SetName): New. Allows the
442            name of the projection to be changed.
443            (ProjFile): Use a dictionary instead of a list so that removing
444            projections is easier and we are sure about uniqueness.
445            (ProjFile.Remove): Remove the given projection object.
446    
447            * Thuban/Model/resource.py (GetSystemProjFiles, GetUserProjFiles):
448            Return a list with only one projection file instead of searching for
449            any projection file. This simplifies many things if the user can
450            only have one system file and one user file.
451    
452            * Thuban/UI/classgen.py: Change all references to
453            genCombo to genChoice.
454    
455            * Thuban/UI/mainwindow.py: Add a Projection option under the
456            layer menu.
457            (MainWindow.LayerProjection): New. Open up a projection window
458            for a layer.
459    
460            * Thuban/UI/projdialog.py: Large changes to how the dialog is
461            laid out. Use three panels instead of one. One for the list of
462            projections, one for the edit controls, and one for the buttons.
463            Fixed resizing problems so that the dialog resizes correctly
464            when the projection panel changes. Added import/export, save, and
465            new buttons/functionality.
466    
467    2003-04-24  Bernhard Herzog  <[email protected]>
468    
469            First step towards table management. Introduce a simple data
470            abstraction so that we replace the data a layer uses more easily
471            in the next step.
472    
473            * Thuban/Model/data.py: New file with a simple data abstraction
474            that bundles shapefile and dbffile into one object.
475    
476            * Thuban/Model/session.py (Session.OpenShapefile): New method to
477            open shapefiles and return a shape store object
478    
479            * Thuban/Model/layer.py (Layer.__init__): Pass the data as a store
480            object instead of a shapefile filename. This introduces a new
481            instance variable store holding the datastore. For intermediate
482            backwards compatibility keep the old instance variables.
483            (open_shapefile): Removed. No longer needed with the shape store.
484            (Layer.SetShapeStore, Layer.ShapeStore): New methods to set and
485            get the shape store used by a layer.
486            (Layer.Destroy): No need to explicitly destroy the shapefile or
487            table anymore.
488    
489            * Thuban/UI/mainwindow.py (MainWindow.AddLayer)
490            (MainWindow.AddLayer): Use the session's OpenShapefile method to
491            open shapefiles
492    
493            * Thuban/Model/load.py (ProcessSession.start_layer): Use the
494            session's OpenShapefile method to open shapefiles
495    
496            * test/test_classification.py
497            (TestClassification.test_classification): Use the session's
498            OpenShapefile method to open shapefiles and build the filename in
499            a more platform independed way
500    
501            * test/test_layer.py (TestLayer.setUp, TestLayer.tearDown):
502            Implement to have a session to use in the tests
503            (TestLayer.test_arc_layer, TestLayer.test_polygon_layer)
504            (TestLayer.test_point_layer, TestLayer.test_empty_layer): Use the
505            session's OpenShapefile method to open shapefiles
506            (TestLayerLegend.setUp): Instantiate a session so that we can use
507            it to open shapefiles.
508            (TestLayerLegend.tearDown): Make sure that all references to
509            layers and session are removed otherwise we may get a resource
510            leak
511    
512            * test/test_map.py (TestMapAddLayer.test_add_layer)
513            (TestMapWithContents.setUp): Instantiate a session so that we can
514            use it to open shapefiles.
515            (TestMapWithContents.tearDown): Make sure that all references to
516            layers, maps and sessions are removed otherwise we may get a
517            resource leak
518            ("__main__"): use support.run_tests() so that more info about
519            uncollected garbage is printed
520    
521            * test/test_save.py (SaveSessionTest.testSingleLayer): Use the
522            session's OpenShapefile method to open shapefiles
523            ("__main__"): use support.run_tests() so that more info about
524            uncollected garbage is printed
525    
526            * test/test_selection.py (TestSelection.tearDown): Make sure that
527            all references to the session and the selection are removed
528            otherwise we may get a resource leak
529            (TestSelection.get_layer): Instantiate a session so that we can
530            use it to open shapefiles.
531            ("__main__"): use support.run_tests() so that more info about
532            uncollected garbage is printed
533    
534            * test/test_session.py (TestSessionBase.tearDown)
535            (TestSessionWithContent.tearDown): Make sure that all references
536            to the session and layers are removed otherwise we may get a
537            resource leak
538            (TestSessionWithContent.setUp): Use the session's OpenShapefile
539            method to open shapefiles
540    
541    2003-04-24  Jonathan Coles   <[email protected]>
542    
543            * Thuban/Model/load.py (XMLReader.read): Should have been checking
544            if the file_or_filename object had the 'read' attribute.
545    
546    2003-04-23  Jonathan Coles   <[email protected]>
547    
548            * Thuban/Model/resource.py: Fixes RTbug #1813.
549            (ReadProjFile): Add documentation about which exceptions are raised.
550            Always pass the exceptions up to the caller.
551            (GetProjFiles): If the directory can't be read return an empty list.
552            If any of the proj files can't be read skip that file and go
553            on to the next one.
554    
555            * test/test_proj.py: Added test cases to handle nonexistent files,
556            unreadable files, and files that don't parse correctly.
557    
558    2003-04-23  Jonathan Coles   <[email protected]>
559    
560            Projection dialog. Allows the user to select from a list
561            of projection templates and optionally edit them and save new ones.
562    
563            * Thuban/UI/projdialog.py (ProjFrame): New. Main dialog.
564            (ProjPanel): Base class for projection specific panels.
565            (TMPanel): Projection panel for Transverse Mercartor.
566            (UTMPanel): Projection panel for Universal Transverse Mercartor.
567            (LCCPanel): Projection panel for Lambert Conic Conformal.
568            (GeoPanel): Projetion panel for Geographic Projection.
569    
570    2003-04-23  Jonathan Coles   <[email protected]>
571    
572            * Thuban/Model/load.py (XMLReader): Renamed from XMLProcessor to
573            promote symmetry. There now exists XMLReader and XMLWriter.
574            (XMLReader.read): New. Call to read the given file descriptor or
575            filename.
576            (XMLReader.close): New. Make sure the file is closed.
577            (XMLReader.GetFileName): New. Return just the file name that is being
578            read from.
579            (XMLReader.GetDirectory): New. Return just the directory of the file
580            that is being read.
581            (XMLReader.AddDispatchers): New. Take a dictionary which contains
582            the names of functions to call as the XML tree is parsed.
583            (XMLReader.startElementNS): Updated to use new dispatcher dictionary.
584            (XMLReader.endElementNS): Updated to use new dispatcher dictionary.
585            (SessionLoader): Removed class variables start_dispatcher and
586            end_dispatcher since this functionality is now part of a class
587            instance. Fixes RTbug #1808.
588            (SessionLoader.__init__): Add dispatcher functions.
589            (load_xmlfile): Code was moved into the XMLReader.read().
590            (load_session): Use modified SessionLoader.
591    
592            * Thuban/Model/map.py (Map.GetProjection): New. Returns the
593            map's projection.
594    
595            * Thuban/Model/proj.py (Projection.GetParameters): Renamed to
596            GetAllParameters.
597            (Projection.GetParameter): Returns the value for the given parameter.
598    
599            * Thuban/Model/resource.py: Use XMLReader and XMLWriter.
600            (GetProjFiles): Renamed from GetProjections. Now returns a list
601            of ProjFile objects.
602            (GetSystemProjFiles): Renamed from GetSuppliedProjections. Returns
603            a list of ProjFile objects whose files are not user defined.
604            (GetUserProjFiles): Renamed from GetUserProjections. Returns a
605            list of ProjFile objects whose files are user defined.
606            (ProjFileReader): Extend new XMLReader.
607    
608            * Thuban/Model/save.py (XMLWriter): Renamed from XMLSaver to
609            promote symmetry.
610    
611            * Thuban/UI/classgen.py (ClassGenDialog.__init__): Use a wxChoice
612            control instead of a wxComboBox. wxChoice controls do not generate
613            events as the uses highlights possible choices which fixes problems
614            with resizing the dialog when the use selects an option.
615    
616            * Thuban/UI/classifier.py (Classifier.__init__): Use a wxChoice
617            control instead of a wxComboBox.
618    
619            * Thuban/UI/mainwindow.py (MainWindow.Projection): Use new projection
620            dialog.
621    
622            * test/test_proj.py (TestProjection.test): New tests for GetParameter
623            method.
624    
625    2003-04-22  Bernhard Herzog  <[email protected]>
626    
627            * Thuban/UI/mainwindow.py: Remove some unused imports and global
628            constants
629    
630            * Thuban/UI/identifyview.py (IdentifyListCtrl.selected_shape)
631            (IdentifyGridCtrl.selected_shape): Use table, not shapetable.
632    
633    2003-04-17  Bernhard Herzog  <[email protected]>
634    
635            * Thuban/Model/layer.py: Don't import LAYER_LEGEND_CHANGED.
636            (Layer): Update doc-string since LAYER_LEGEND_CHANGED is not used
637            anymore.
638            (Layer.BoundingBox, Layer.GetFieldType, Layer.NumShapes)
639            (Layer.ShapeType, Layer.Shape): No need to call
640            self.open_shapefile since it's always called in __init__
641    
642            * Thuban/UI/application.py (ThubanApplication.MainLoop): Removed.
643            In wxPython 2.4 there's no need to extend MainLoop anymore since
644            wxPython itself makes sure OnExit is called.
645    
646    2003-04-16  Jonathan Coles   <[email protected]>
647    
648            Initial putback of projection management code. Includes new
649            classes to read and write projection files. The current load
650            and save classes were abstracted a bit so they could be reused.
651            The Projection class was extended to provide new methods and
652            have a name.
653    
654            * Thuban/Model/load.py (XMLProcessor): New. Contains all the
655            general XML reading methods that were part of ProcessSession.
656    
657            * Thuban/Model/proj.py (Projection.__init__): Accepts an optional
658            name.
659            (ProjFile): New. Represents a file that contains projection
660            information.
661    
662            * Thuban/Model/resource.py: New. Contains general utilities
663            for read and writing projection files.
664    
665            * Thuban/Model/save.py (XMLSaver): New. Contains all the
666            general XML writing methods that were part of SessionSaver.
667            (SessionSaver): Renamed from Saver.
668    
669            * test/test_proj.py: New test cases for the projection
670            file read and write functions.
671    
672    2003-04-16  Jonathan Coles   <[email protected]>
673    
674            * Thuban/Model/classification.py: Use repr() around values
675            in the ClassGroup*.__repr__() methods so it is clearer when
676            a value is a string and when it is a number.
677    
678            * test/test_load.py: Rework the classification test to test
679            that we can load old files.
680            (testLabels): Test a file where the groups have labels.
681    
682    2003-04-16  Bernhard Herzog  <[email protected]>
683    
684            Safer implementation of the performance enhancements of the
685            low-level renderer:
686            
687            * extensions/thuban/wxproj.cpp (extract_projection)
688            (extract_pointer): Rename extract_projection to extract_pointer
689            and redefine its purpose to return the pointer stored in a CObject
690            returned by the object's cobject method. Update all callers.
691            (s_draw_info, free_draw_info, draw_polygon_init): Implement the
692            handling of these low-level parameters so that each s_draw_info
693            instance is handled as a CObject at python level that also
694            contains real references to the actual python objects which
695            contain the values in the struct. Add free_draw_info as the
696            destructor.
697            (draw_polygon_shape): Add the py_draw_info parameter which must a
698            cobject containing an s_draw_info pointer.
699    
700            * Thuban/UI/renderer.py (MapRenderer.polygon_render_param): New
701            method to instantiat the low-level render parameter
702            (MapRenderer.draw_shape_layer): Use the new method. Remove some
703            commented out code.
704            (MapRenderer.draw_polygon_shape): Make the first parameter not the
705            layer but the low-level render parameter
706            (ScreenRenderer.draw_shape_layer): Use the low-level render
707            parameter.
708    
709    2003-04-15  Jonathan Coles   <[email protected]>
710    
711            * Thuban/Model/classification.py: Implemented __repr__ for
712            the ClassGroup* classes to make debugging a bit easier.
713            (ClassGroup.SetLabel): Check that the string is an instance
714            of StringTypes not StringType. Accounts for Unicode strings.
715    
716            * Thuban/Model/color.py: Implemented __repr__ to make
717            debugging a bit easier.
718    
719            * Thuban/Model/save.py (Saver.write_classification): Need to
720            save the group label.
721    
722            * test/test_load.py (testClassification): New. Loads the
723            iceland_sample_test.thuban file and checks if it was loaded
724            correctly.
725    
726    2003-04-15  Jonathan Coles   <[email protected]>
727    
728            * extensions/thuban/wxproj.cpp (draw_polygon_init): New. Used
729            to improve rendering performance by initializing the variables
730            that are not change each time draw_polygon_shape() is called.
731            The values are stored in a global struct draw_info.
732            (draw_polygon_shape): Removed initialization code that is
733            now in draw_polygon_init().
734    
735            * Thuban/UI/renderer.py (MapRenderer.draw_shape_layer): Make
736            drawing initialization call to draw_polygon_init()
737            (MapRenderer.draw_polygon_shape): Use new signature of
738            draw_polygon_shape.
739    
740            * Thuban/UI/classgen.py (GenUniformPanel): Fix spin control
741            weirdness by setting the range to (1, maxint).
742    
743            * Thuban/Model/classification.py (ClassGroupProperties): Make
744            instance variables private and optimize comparison operator
745            by first checking if the color references are the same.
746            (ClassGroupSingleton): Make instance variables private.
747            (ClassGroupRange): Make instance variables private.
748    
749            * HOWTO-Release: Filled in missing steps for releasing packages.
750    
751    2003-04-15  Bernhard Herzog  <[email protected]>
752    
753            First stab at internationalized messages:
754    
755            * Thuban/__init__.py (_): Implement the translation function for
756            real using the python gettext module.
757    
758            * Thuban/UI/classifier.py (ClassTable.GetRowLabelValue): Don't
759            translate empty strings.
760    
761            * Thuban/UI/application.py (ThubanApplication.read_startup_files):
762            Add a missing space to a warning message
763    
764            * po/README: New. Notes about the management of the translation
765            files.
766    
767            * po/Makefile: New. Makefile to help manage the translation files.
768    
769            * po/es.po: New. Spanish translation by Daniel Calvelo Aros
770    
771            * MANIFEST.in: Include the *.mo files in Resources/Locale and the
772            translations and support files in po/
773    
774            * setup.py (data_files): Add the *.mo files to the data_files too
775    
776            * README: Add note about the translations when building from CVS
777    
778    2003-04-14  Jonathan Coles   <[email protected]>
779    
780            * Thuban/UI/dock.py: Fixes some window resizing problems most
781            noticable under windows. Always assume the button bitmaps will
782            be there. Code clean up.
783            (DockabelWindow.Dock, DockableWindow.UnDock): Force all the
784            images for the dock/undock button to the same images.
785            Work around for RTbug #1801.
786    
787            * Thuban/UI/legend.py (LegendPanel.__init__): The toolbar should
788            be allowed to grow within the sizer. Fixes a bug under Windows
789            where the toolbar wasn't being drawn.
790    
791    2003-04-14  Frank Koormann   <[email protected]>
792    
793            * Resources/Bitmaps/dock_12.xpm, Resources/Bitmaps/undock_12.xpm:
794            Updated design to try to make the button functionality more
795            transparent.
796    
797    2003-04-14  Jonathan Coles   <[email protected]>
798    
799            * Thuban/UI/legend.py (LegendPanel.__init__): Call Create() to
800            finalize the intialization of the panel.
801    
802            * Thuban/UI/dock.py (DockPanel.Create): New. Finalizes the
803            creation of the panel. Should be the last thing called in the
804            initializer of a subclass.
805    
806            * Thuban/UI/classgen.py (ClassGenDialog.__init__): Actively
807            set the current selections in the combo boxes. This is needed
808            under Windows.
809    
810            * Thuban/UI/classifier.py (Classifier.__init__): Add a top
811            level panel to the dialog so that the background colors are
812            consistent under Windows.
813    
814    2003-04-11  Jonathan Coles   <[email protected]>
815    
816            * Thuban/UI/classgen.py: Change color ramps to start at white
817            not black.
818    
819            * Thuban/UI/legend.py: Enable/disable the legend buttons when
820            the legend changes. Fixes RTbug #1793.
821    
822            * test/test_classification.py: Added test for copying of
823            classifications.
824    
825    2003-04-11  Jonathan Coles   <[email protected]>
826    
827            * Thuban/UI/resource.py: New. Centralize the loading of resources
828            such as bitmaps.
829    
830            * Thuban/UI/classgen.py (GenUniquePanel.__init__): Reordered buttons,
831            added images to the move buttons, added 'reverse' button.
832            (CustomRampPanel.__init__): Added images to the move buttons.
833            (GreyRamp): New. Generates a ramp from white to black.
834            (HotToColdRamp): New. Generates a ramp from cold to hot colors.
835    
836            * Thuban/UI/classifier.py: Refactored ID's from ID_CLASSIFY_* to
837            ID_PROPERTY_*.
838            (Classifier.__init__): Minor changes to the layout.
839            (Classifier._OnTitleChanged): Listen for when the user edits the
840            title and update the dialog's title and the layer's title.
841    
842            * Thuban/UI/dock.py: Use new bitmaps for the control buttons.
843    
844            * Thuban/UI/legend.py: Use new bitmaps for the control buttons.
845            (LegendTree._OnMsgLayerTitleChanged): Change the displayed title
846            if the layer's title changes.
847    
848            * Thuban/UI/mainwindow.py: Added new menu item and associated code
849            to open a dialog to rename the map.
850            (MainWindow): Use new resource class to import bitmaps.
851    
852    2003-04-11  Jonathan Coles   <[email protected]>
853    
854            * Resources/Bitmaps/close_12.xpm, Resources/Bitmaps/dock_12.xpm,
855            Resources/Bitmaps/group_use.xpm, Resources/Bitmaps/group_use_all.xpm,
856            Resources/Bitmaps/group_use_none.xpm,
857            Resources/Bitmaps/group_use_not.xpm,
858            Resources/Bitmaps/hide_layer.xpm,
859            Resources/Bitmaps/layer_properties.xpm,
860            Resources/Bitmaps/lower_layer.xpm, Resources/Bitmaps/raise_layer.xpm,
861            Resources/Bitmaps/show_layer.xpm, Resources/Bitmaps/undock_12.xpm:
862            New.
863    
864    2003-04-10  Jonathan Coles   <[email protected]>
865    
866            * Thuban/Model/classification.py: (ClassGroupRange.__init__):
867            Should pass group to ClassGroup constructor.
868    
869    2003-04-10  Jonathan Coles   <[email protected]>
870    
871            * Thuban/Model/classification.py: (ClassGroup): Move all the common
872            methods of the derived classes ([Set|Get]Properties(), __eq__, __ne__)
873            here. Implement SetVisible(), IsVisible().
874            (ClassGroup.__init__): Add group parameter which acts as a copy
875            constructor.
876    
877            * Thuban/UI/classifier.py (ClassTable): Add a new column for the
878            "Visible" check boxes.
879            (Classifier): Rename the buttons and refactor the code to match
880            the new labels.
881    
882            * Thuban/UI/legend.py: Classify button is now called "Properties".
883            Refactored the code to change variable names.
884            (LegendTree.__FillTreeLayer): Only list a group if it is visible.
885    
886            * Thuban/UI/mainwindow.py: MainWindow.OpenClassifier renamed to
887            MainWindow.OpenLayerProperties. MainWindow.LayerEditProperties
888            renamed to MainWindow.LayerEditProperties.
889            (MainWindow.ToggleLegend): Don't include map name in legend title.
890            (MainWindow.SetMap): Added the map name to the window title.
891            (MainWindow.LayerFillColor, MainWindow.LayerTransparentFill,
892            MainWindow.LayerOutlineColor, MainWindow.LayerNoOutline): Removed.
893            Functionality is found in the layer properties dialog.
894    
895            * Thuban/UI/renderer.py (MapRenderer.draw_shape_layer): Only
896            draw visible groups.
897    
898    2003-04-09  Jonathan Coles   <[email protected]>
899    
900            * Thuban/UI/classgen.py: Modifications to allow simple
901            addition and selection of new color schemes.
902            (MonochromaticRamp): New. Generates a ramp between two colors.
903            (RedRamp): New. Generates a ramp of all red.
904            (GreenRamp): New. Generates a ramp of all green.
905            (BlueRamp): New. Generates a ramp of all blue.
906    
907    2003-04-09  Jonathan Coles   <[email protected]>
908    
909            * Thuban/Model/classification.py (Classification.__deepcopy__):
910            Need to copy over field and fieldType attributes.
911    
912            * Thuban/Model/table.py (Table.field_range): New. Retrive the
913            maximum and minimum values over the entire table for a given
914            field.
915            (Table.GetUniqueValues): New. Retrieve all the unique values
916            in the table for a given field.
917    
918            * Thuban/UI/classgen.py: Renamed GenRangePanel to GenUniformPanel.
919            (GenUniquePanel): New. Controls to allow the user to select
920            which unique field values they would like in the classification.
921            (CustomRampPanel): Code that was in ClassGenDialog that allows
922            the user to select the properties for a custom ramp.
923            (ClassGenerator.GenUniformDistribution): Was called GenerateRanges.
924    
925            * Thuban/UI/classifier.py: Removed a lot of debugging code.
926            (Classifier._SetClassification): Callback method so that the
927            class generator can set the classification in the grid.
928            (ClassGroupPropertiesCtrl): New. Encapsulates the drawing and
929            editing of a group properties class into a wxWindows control.
930    
931            * Thuban/UI/dock.py: It was decided that if the user closes
932            a dockable window the window should simply hide itself. That
933            way if the user wants to show the dock again it appears in the
934            same place as it was when it was closed.
935            (DockableWindow.Destroy): Call renamed method OnDockDestroy().
936            (DockableWindow._OnButtonClose): Hide the window instead of
937            destroying it.
938            (DockableWindow._OnClose): Hide the window instead of
939            destroying it.
940    
941            * Thuban/UI/legend.py (LegendTree): Use a private method to
942            consistently set the font and style of the text. Fixes RTbug #1786.
943    
944            * Thuban/UI/mainwindow.py: Import just the Classifier class.
945    
946    2003-04-07  Bernhard Herzog  <[email protected]>
947    
948            * Thuban/UI/mainwindow.py (main_menu): Move the toggle_legend item
949            to the map module
950    
951    2003-04-07  Bernhard Herzog  <[email protected]>
952    
953            * Thuban/UI/mainwindow.py (MainWindow.ShowSessionTree): Removed in
954            favor of ToggleSessionTree
955            (MainWindow.ToggleSessionTree): New method to toggle visibility of
956            the session tree.
957            (MainWindow.SessionTreeShown): New method to return whether the
958            session tree is currently shown.
959            (MainWindow.ToggleLegend): New method to toggle visibility of the
960            legend
961            (MainWindow.ShowLegend): Implement in terms of ToggleLegend and
962            LegendShown
963            (MainWindow.LegendShown): New method to return whether the legend
964            is currently shown.
965            (_method_command): Add checked parameter so we can define check
966            menu items
967            (_has_tree_window_shown, _has_legend_shown): Use the appropriate
968            mainwindow methods.
969            (show_session_tree, show_legend commands): Removed.
970            (toggle_session_tree, toggle_legend commands): New commands to
971            toggle the visibility of the dialogs
972    
973    2003-04-07  Jonathan Coles   <[email protected]>
974    
975            * Thuban/UI/classgen.py: Fix Windows problem.
976    
977            * Thuban/UI/dock.py: Fix Windows problem.
978    
979            * Thuban/UI/mainwindow.py: Use False instead of false.
980            (MainWindow.ShowLegend): Remove unnecessary switch parameter.
981    
982    2003-04-07  Jonathan Coles   <[email protected]>
983    
984            Since we now say that the order of the groups in a classification
985            matters, it makes sense to be able to manipulate that order. Most
986            of the changes to Thuban/Model/classification.py are to that end.
987    
988            * Thuban/Model/classification.py (Classification.AppendGroup,
989            Classification.InsertGroup, Classification.ReplaceGroup,
990            Classification.RemoveGroup, Classification.GetGroup): Do as the
991            names imply.
992            (Classification.FindGroup): This was called GetGroup, but GetGroup
993            takes an index, while FindGroup takes a value.
994            (Classification.__deepcopy__): Copy all the groups, BUT NOT THE LAYER
995            REFERENCE. Currently there is a cyclic reference between the layer
996            and its classification. If the classification doesn't need to know
997            its owning layer we can change this, since it may make sense to be
998            able to use the same classification with different layers.
999    
1000            * Thuban/Model/load.py: Use Classification.AppendGroup(), not AddGroup()
1001    
1002            * Thuban/UI/classgen.py: Use Classification.AppendGroup(),
1003            not AddGroup()
1004    
1005            * Thuban/UI/classifier.py: Now that we can depend on the order in
1006            a Classification and have methods to manipulate that order we don't
1007            need to use our own data structures in the grid. We can simply make
1008            the grid/table access the information they need from a copy of
1009            the classification object.
1010            (Classifier._OnCloseBtn): Event handler for when the user clicks
1011            'Close'. This is needed so if the user applies changes and then
1012            continues to change the table the user has the option of discarding
1013            the most recent changes and keeping what they applied.
1014    
1015            * Thuban/UI/mainwindow.py: Put "Show Legend" and "Show Session Tree"
1016            into the same group.
1017    
1018            * extensions/thuban/wxproj.cpp (check_version): If Thuban is compiled
1019            with a really old version of proj, PJ_VERSION won't even be defined.
1020            If it isn't defined then just compile so that the function always
1021            returns Py_False.
1022    
1023            * test/test_classification.py: Fix tests to use the renamed methods.
1024            Still need to write tests for the new methods.
1025    
1026    2003-04-04  Jonathan Coles   <[email protected]>
1027    
1028            * Thuban/UI/classifier.py (Classifier.__SelectField): Move the
1029            call to SetSelection out of the method and before the call
1030            to __SelectField in __init__. This prevents a recursion of events
1031            when _OnFieldSelect is triggered by the user.
1032    
1033    2003-04-04  Jonathan Coles   <[email protected]>
1034    
1035            * Thuban/Model/classification.py: Rename Color.None to
1036            Color.Transparent.
1037            (ClassGroupProperties.SetLineColori, ClassGroupProperties.SetFill):
1038            Don't bother copying the color, since Colors are immutable.
1039    
1040            * Thuban/Model/color.py, Thuban/Model/layer.py, Thuban/Model/load.py,
1041            Thuban/UI/classifier.py, Thuban/UI/mainwindow.py,
1042            Thuban/UI/renderer.py, Thuban/UI/view.py:
1043            Rename Color.None to Color.Transparent.
1044        
1045            * test/test_classification.py, test/test_load.py: Rename Color.None
1046            to Color.Transparent.
1047    
1048    2003-04-04  Jonathan Coles   <[email protected]>
1049    
1050            * Thuban/Model/classification.py: Fix assert calls.
1051            (ClassGroupProperties.SetLineColor, ClassGroupProperties.SetFill):
1052            Copy the color parameter rather than hold onto a reference.
1053    
1054            * Thuban/Model/color.py (Color.__copy__, Color.__deepcopy): Copy
1055            the color object.
1056            (NoColor.__copy__, NoColor.__deepcopy): Return 'self' so that we
1057            are sure there exists only one refernce to Color.None in the system.
1058            This allows us to use 'is' rather than the comparision functions.
1059            
1060            * Thuban/Model/save.py: Fix assert calls.
1061            
1062            * Thuban/UI/classifier.py: Fix assert calls.
1063            (ClassGrid._OnCellDClick): Call up to the classifier to open the
1064            dialog to edit the groups properties.
1065            (ClassGrid._OnCellResize): Make sure that the scollbars are drawn
1066            correctly if a cell is resized.
1067            (ClassTable.SetClassification): New. Changes the classification
1068            that is in the table.
1069            (ClassTable.__SetRow): Allow groups to be prepended.
1070            (Classifier): New code for opening the EditProperties and
1071            GenerateRanges dialogs.
1072            (SelectPropertiesDialog.__GetColor): Only set the color in the
1073            color dialog if the current color is not None.
1074            
1075            * Thuban/UI/dock.py: Fix assert calls.
1076            
1077            * Thuban/UI/legend.py: Fix assert calls.
1078            
1079            * Thuban/UI/renderer.py: Fix assert calls.
1080            
1081            * Thuban/UI/classgen.py (ClassGenDialog): Dialog for generating
1082            classifications.
1083            (GenRangePanel): Panel specific to range generation.
1084            (GenSingletonPanel): Panel specific to singleton generation.
1085            (ClassGenerator): Class responsible for actually generating
1086            the classification from the data gathered in the dialog box.
1087            (PropertyRamp): Generates properties whose values range from
1088            a starting property to an ending property.
1089    
1090    2003-04-03  Bernhard Herzog  <[email protected]>
1091    
1092            * test/support.py (print_garbage_information): New function that
1093            prints information about still connected messages and memory
1094            leaks.
1095            (run_suite): Removed.
1096            (run_tests): New function for use as a replacement of
1097            unittest.main in the test_* files. This one calls
1098            print_garbage_information at the end.
1099    
1100            * test/runtests.py (main): Use support.print_garbage_information
1101    
1102            * test/test_layer.py: Use support.run_tests instead of
1103            unittest.main so we get memory leak information
1104            (TestLayer.test_arc_layer, TestLayer.test_polygon_layer)
1105            (TestLayer.test_point_layer, TestLayer.test_empty_layer)
1106            (TestLayerLegend.test_visibility): Call the layer's Destroy method
1107            to fix a memory leak.
1108    
1109            * test/test_classification.py: Use support.run_tests instead of
1110            unittest.main so we get memory leak information
1111            (TestClassification.test_classification): Call the layer's Destroy
1112            method to fix a memory leak.
1113    
1114    2003-04-02  Bernhard Herzog  <[email protected]>
1115    
1116            * extensions/thuban/wxproj.cpp (check_version, check_version_gtk):
1117            Handle the reference counts of the return value and errors in
1118            PyArg_ParseTuple correctly.
1119    
1120            * Thuban/UI/application.py (ThubanApplication.OpenSession): Make
1121            sure the filename is absolute to avoid problems when saving the
1122            session again
1123    
1124            * Thuban/Model/table.py: Remove unnecessary import. Fix a typo.
1125    
1126  2003-04-01  Jonathan Coles   <[email protected]>  2003-04-01  Jonathan Coles   <[email protected]>
1127    
1128          *  Thuban/UI/renderer.pyi (MapRenderer.draw_point_shape): Check          *  Thuban/UI/renderer.py (MapRenderer.draw_point_shape): Check
1129          that there actually are points in the returned list of points          that there actually are points in the returned list of points
1130          before trying to index into the list. The list may be empty if          before trying to index into the list. The list may be empty if
1131          the shape is a Null Shape.          the shape is a Null Shape.

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