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2003-05-20 Jonathan Coles <[email protected]> |
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This puts back Raster layer support. These layers support projections |
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through the GDAL library. Currently, the CVS version is being used. |
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There are no Debian packages available although this may change soon. |
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A GDAL driver was extended to support writing to memory rather to |
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files. |
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There is still some work that needs to be done, such as some error |
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handling when loading invalid images or when there is a problem |
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projecting the image. This putback simply checks in the majority |
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of the work. |
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* setup.py: Add gdalwarp library extension. |
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* Thuban/Model/layer.py (BaseLayer.HasClassification): New. |
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Defaults to False, but can be overridden by subclasses if they |
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support classification. |
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(RasterLayer): New. Defines a new layer that represents an |
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image. |
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* Thuban/Model/load.py (SessionLoader.__init__): Add rasterlayer |
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tag handler. |
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(SessionLoader.start_layer): Encode the filename. |
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(SessionLoader.start_rasterlayer, SessionLoader.end_rasterlayer): |
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New. Supports reading a rasterlayer tag. |
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* Thuban/Model/map.py (Map.BoundingBox): Fix typo in comment. |
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* Thuban/Model/save.py (XMLWriter.encode): Don't assume that we |
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get a string in Latin1. If we get such as string convert it to |
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unicode first, otherwise leave if alone before encoding. |
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(SessionSaver.write_layer): Add support for writing both Layers |
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and RasterLayers. |
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* Thuban/Model/transientdb.py (AutoTransientTable.SimpleQuery): |
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The right argument may not be a string, it could also be a Column. |
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* Thuban/UI/application.py (ThubanApplication.CreateMainWindow): |
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Make initial window size 600x400. Fixes RTBug #1872. |
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* Thuban/UI/classifier.py (Classifier.__init__): Rearrange how |
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the dialog is constructed so that we can support layers that |
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do not have classifications. |
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(Classifier._OnTry): Only build a classification if the layer |
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supports one. |
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* Thuban/UI/legend.py: Change all checks that a layer is an |
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instance of Layer into checks against BaseLayer. |
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(LegendTree.__FillTreeLayer): Only add children to a branch if |
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the layer supports classification. |
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* Thuban/UI/mainwindow.py (MainWindow.NewSession, |
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MainWindow.OpenSession): Don't proceed with an action if the |
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user chooses Cancel when they are asked to save changes. |
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(MainWindow.AddRasterLayer): New. Open a dialog to allow the |
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user to select an image file. Create a new RasterLayer and add |
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it to the map. |
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* Thuban/UI/renderer.py (MapRenderer.render_map): Add support |
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for rendering RasterLayer layers. |
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(MapRenderer.draw_raster_layer): Actually method that calls |
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the GDALWarp python wrapper and constructs an image from the |
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data returned. |
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* Thuban/UI/tableview.py (LayerTableFrame.__init__): Change the |
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Choices symbols to match those used in the table query method. |
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Replace deprecated method calls on table with new method names. |
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* Thuban/UI/view.py (MapCanvas.set_view_transform): Try to limit |
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how small the scale can get. This still needs more testing. |
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* extensions/thuban/bmpdataset.cpp: New, but copied from GDAL. |
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Provides a driver to output in .bmp format. |
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* extensions/thuban/cpl_mfile.cpp, extensions/thuban/cpl_mfile.h: |
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New. Provides IO routines which write to memory, rather than a file. |
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* extensions/thuban/gdalwarp.cpp: New, but basically a direct copy |
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of the gdalwarp utility provided in GDAL. Added function calls |
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that can be accessed from python. |
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* Data/iceland_sample_raster.thuban: New. Sample file that uses |
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a raster layer. |
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* Data/iceland/island.tfw, Data/iceland/island.tif: New. Raster |
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layer image data. |
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* Doc/thuban.dtd: Added rasterlayer attribute definition. |
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* test/test_layer.py, test/test_load.py, test/test_save.py: Added |
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tests associated with the raster layer code. |
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* test/test_transientdb.py |
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(TestTransientTable.test_auto_transient_table_query): Added a test |
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for using a Column object as the "right" parameter to a query. |
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2003-05-19 Frank Koormann <[email protected]> |
2003-05-19 Frank Koormann <[email protected]> |
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* Thuban/version.py (get_changelog_date): |
* Thuban/version.py (get_changelog_date): |
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