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jonathan |
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# Copyright (c) 2003 by Intevation GmbH |
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# Authors: |
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# Jonathan Coles <[email protected]> |
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# |
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# This program is free software under the GPL (>=v2) |
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# Read the file COPYING coming with Thuban for details. |
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""" |
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Test the interaction with the view |
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""" |
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__version__ = "$Revision$" |
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# $Source$ |
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# $Id$ |
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import os |
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import unittest |
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import support |
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support.initthuban() |
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from Thuban.UI.viewport import ViewPort, ZoomInTool, ZoomOutTool, \ |
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PanTool, IdentifyTool, LabelTool |
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from Thuban.Model.map import Map |
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from Thuban.Model.proj import Projection |
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from Thuban.Model.layer import Layer |
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from Thuban.Model.session import Session |
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from Thuban.Model.color import Color |
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from Thuban.UI.messages import SCALE_CHANGED |
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class Event: pass |
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class ViewPortTest(unittest.TestCase, support.SubscriberMixin, |
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support.FileTestMixin, support.FloatComparisonMixin): |
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def build_path(self, filename): |
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return os.path.join("..", "Data", "iceland", filename) |
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def open_shapefile(self, filename): |
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"""Open and return a shapestore for filename in the iceland data set""" |
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return self.session.OpenShapefile(self.build_path(filename)) |
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def setUp(self): |
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eq = self.assertEquals |
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self.session = Session("Test session for %s" % self.__class__) |
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self.port = ViewPort() |
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eq(self.port.GetPortSizeTuple(), (400, 300)) |
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self.port.Destroy() |
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# make view port 1001x1001 so we have an exact center |
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self.port = ViewPort((1001, 1001)) |
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eq(self.port.GetPortSizeTuple(), (1001, 1001)) |
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eq(self.port.scale, 1.0) |
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eq(self.port.offset, (0, 0)) |
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proj = Projection(["proj=latlong", |
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"to_meter=.017453292519943", |
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"ellps=clrk66"]) |
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map = Map("title", proj) |
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layer = Layer("Polygon", self.open_shapefile("political.shp")) |
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layer.GetClassification().GetDefaultGroup().GetProperties().SetFill(Color(0,0,0)) |
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map.AddLayer(layer) |
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layer = Layer("Point", self.open_shapefile("cultural_landmark-point.shp")) |
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layer.GetClassification().GetDefaultGroup().GetProperties().SetFill(Color(0,0,0)) |
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map.AddLayer(layer) |
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layer = Layer("Arc", self.open_shapefile("roads-line.shp")) |
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layer.GetClassification().GetDefaultGroup().GetProperties().SetFill(Color(0,0,0)) |
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map.AddLayer(layer) |
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self.session.AddMap(map) |
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self.layer = layer |
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self.clear_messages() |
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self.port.Subscribe(SCALE_CHANGED, self.subscribe_with_params, SCALE_CHANGED) |
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self.port.SetMap(map) |
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self.check_messages([(90.582425142660739, SCALE_CHANGED)]) |
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self.failIf(self.port.HasSelectedLayer()) |
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self.failIf(self.port.HasSelectedShapes()) |
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eq(self.port.Map(), map) |
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def tearDown(self): |
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self.port.Unsubscribe(SCALE_CHANGED,self.subscribe_with_params,SCALE_CHANGED) |
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self.port.Destroy() |
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self.session.Destroy() |
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def test_proj_conv(self): |
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# proj_to_win / win_to_proj |
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rect = [9, 990, 990, 9] |
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rect1 = self.port.win_to_proj(rect[0], rect[1]) \ |
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+ self.port.win_to_proj(rect[2], rect[3]) |
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rect2 = self.port.proj_to_win(rect1[0], rect1[1]) \ |
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+ self.port.proj_to_win(rect1[2], rect1[3]) |
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self.assertFloatSeqEqual(rect, rect2) |
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def testFitRectToWindow(self): |
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rect = self.port.win_to_proj(9, 990) + self.port.win_to_proj(990, 9) |
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self.port.FitRectToWindow(rect) |
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self.assertFloatSeqEqual(rect, self.port.win_to_proj(0, 1000) + self.port.win_to_proj(1000, 0), 1e-1) |
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def testZoomFactor(self): |
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self.port.FitMapToWindow() |
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rect = self.port.win_to_proj(9, 990) + self.port.win_to_proj(990, 9) |
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proj_rect = self.port.win_to_proj(0, 1000) + self.port.win_to_proj(1000, 0) |
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self.port.ZoomFactor(2) |
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self.port.ZoomFactor(.5) |
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self.assertFloatSeqEqual(rect, self.port.win_to_proj(0, 1000) + self.port.win_to_proj(1000, 0), 1) |
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point = self.port.win_to_proj(600, 600) |
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self.port.ZoomFactor(2, (600, 600)) |
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self.assertFloatSeqEqual(point, self.port.win_to_proj(500, 500), 1e-3) |
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self.port.FitMapToWindow() |
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proj_rect = self.port.win_to_proj(-499, 1499) + self.port.win_to_proj(1499, -499) |
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self.port.ZoomFactor(.5) |
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self.assertFloatSeqEqual(proj_rect, self.port.win_to_proj(0, 1000)+self.port.win_to_proj(1000, 0), 1) |
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def testZoomOutToRect(self): |
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self.port.FitMapToWindow() |
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rect = self.port.win_to_proj(9, 990) + self.port.win_to_proj(990, 9) |
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rectTo = self.port.win_to_proj(0, 1000) + self.port.win_to_proj(1000, 0) |
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self.port.ZoomOutToRect(rect) |
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self.assertFloatSeqEqual(rect, rectTo, 1) |
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def testTranslate(self): |
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self.port.FitMapToWindow() |
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orig_rect = self.port.win_to_proj(0, 1000) + self.port.win_to_proj(1000, 0) |
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for delta in [(0, 0), (5, 0), (0, 5), (5,5), |
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(-5, 0), (0, -5), (-5, -5)]: |
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rect = self.port.win_to_proj(0 + delta[0], 1000 + delta[1]) \ |
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+ self.port.win_to_proj(1000 + delta[0], 0 + delta[1]) |
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self.port.Translate(delta[0], delta[1]) |
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self.assertFloatSeqEqual(rect, self.port.win_to_proj(0, 1000) + self.port.win_to_proj(1000, 0), 1) |
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self.port.Translate(-delta[0], -delta[1]) |
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self.assertFloatSeqEqual(rect, orig_rect, 1) |
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def test_unprojected_rect_around_point(self): |
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rect = self.port.unprojected_rect_around_point(500, 500, 5) |
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self.assertFloatSeqEqual(rect, (-19.063379161960469, 64.924498140752377, |
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-18.95455127948528, 65.033326023227573), |
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1e-1) |
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def test_find_shape_at(self): |
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eq = self.assertEquals |
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x, y = self.port.proj_to_win(-18, 64.81418571) |
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eq(self.port.find_shape_at(x, y, searched_layer=self.layer), (None, None)) |
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x, y = self.port.proj_to_win(-18.18776318, 64.81418571) |
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eq(self.port.find_shape_at(x, y, searched_layer=self.layer), (self.layer, 610)) |
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def testLabelShapeAt(self): |
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eq = self.assertEquals |
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# select a road |
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x, y = self.port.proj_to_win(-18.18776318, 64.81418571) |
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eq(self.port.LabelShapeAt(x, y), False) # nothing to do |
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eq(self.port.LabelShapeAt(x, y, "Hello world"), True) # add |
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eq(self.port.LabelShapeAt(x, y), True) # remove |
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# select a point |
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x, y = self.port.proj_to_win(-19.140, 63.4055717) |
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eq(self.port.LabelShapeAt(x, y), False) # nothing to do |
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eq(self.port.LabelShapeAt(x, y, "Hello world"), True) # add |
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eq(self.port.LabelShapeAt(x, y), True) # remove |
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# select a polygon |
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x, y = self.port.proj_to_win(-16.75286628, 64.67807745) |
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eq(self.port.LabelShapeAt(x, y), False) # nothing to do |
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eq(self.port.LabelShapeAt(x, y, "Hello world"), True) # add |
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# for polygons the coordinates will be different, so |
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# these numbers were copied |
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x, y = self.port.proj_to_win(-18.5939850348, 64.990607973) |
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eq(self.port.LabelShapeAt(x, y), True) # remove |
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def test_set_pos(self): |
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eq = self.assertEquals |
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# set_current_position / CurrentPosition |
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event = Event() |
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event.m_x, event.m_y = 5, 5 |
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self.port.set_current_position(event) |
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eq(self.port.current_position, (5, 5)) |
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eq(self.port.CurrentPosition(), self.port.win_to_proj(5, 5)) |
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self.port.set_current_position(None) |
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eq(self.port.current_position, None) |
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eq(self.port.CurrentPosition(), None) |
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event.m_x, event.m_y = 15, 15 |
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self.port.MouseMove(event) |
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eq(self.port.current_position, (15, 15)) |
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event.m_x, event.m_y = 25, 15 |
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self.port.MouseLeftDown(event) |
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eq(self.port.current_position, (25, 15)) |
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event.m_x, event.m_y = 15, 25 |
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self.port.MouseLeftUp(event) |
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eq(self.port.current_position, (15, 25)) |
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def testTools(self): |
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eq = self.assertEquals |
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event = Event() |
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def test_tools(tool, shortcut): |
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self.port.SelectTool(tool) |
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eq(self.port.CurrentTool(), tool.Name()) |
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self.port.SelectTool(None) |
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eq(self.port.CurrentTool(), None) |
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shortcut() |
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eq(self.port.CurrentTool(), tool.Name()) |
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test_tools(ZoomInTool(self.port), self.port.ZoomInTool) |
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point = self.port.win_to_proj(600, 600) |
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# one click zoom |
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event.m_x, event.m_y = 600, 600 |
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self.port.MouseMove(event) |
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self.port.MouseLeftDown(event) |
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self.port.MouseLeftUp(event) |
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self.assertFloatSeqEqual(point, self.port.win_to_proj(500, 500), 1e-3) |
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self.port.FitMapToWindow() |
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# zoom rectangle |
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rect = self.port.win_to_proj(29, 970) + self.port.win_to_proj(970, 29) |
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event.m_x, event.m_y = 29, 29 |
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self.port.MouseMove(event) |
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self.port.MouseLeftDown(event) |
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event.m_x, event.m_y = 970, 970 |
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self.port.MouseMove(event) |
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self.port.MouseLeftUp(event) |
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self.assertFloatSeqEqual(rect, self.port.win_to_proj(0, 1000) + self.port.win_to_proj(1000, 0), 1e-1) |
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self.port.FitMapToWindow() |
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test_tools(ZoomOutTool(self.port), self.port.ZoomOutTool) |
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# one click zoom out |
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proj_rect = self.port.win_to_proj(-499, 1499) + self.port.win_to_proj(1499, -499) |
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event.m_x, event.m_y = 500, 500 |
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self.port.MouseMove(event) |
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self.port.MouseLeftDown(event) |
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self.port.MouseLeftUp(event) |
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self.assertFloatSeqEqual(proj_rect,self.port.win_to_proj(0, 1000)+self.port.win_to_proj(1000, 0),1e-1) |
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self.port.FitMapToWindow() |
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# zoom out rectangle |
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rect = self.port.win_to_proj(0, 1000) + self.port.win_to_proj(1000, 0) |
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event.m_x, event.m_y = 29, 29 |
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self.port.MouseMove(event) |
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self.port.MouseLeftDown(event) |
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event.m_x, event.m_y = 970, 970 |
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self.port.MouseMove(event) |
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self.port.MouseLeftUp(event) |
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self.assertFloatSeqEqual(rect, self.port.win_to_proj(29, 970) + self.port.win_to_proj(970, 29)) |
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self.port.FitMapToWindow() |
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test_tools(PanTool(self.port), self.port.PanTool) |
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rect = self.port.win_to_proj(-25, 975) + self.port.win_to_proj(975, -25) |
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event.m_x, event.m_y = 50, 50 |
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self.port.MouseMove(event) |
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self.port.MouseLeftDown(event) |
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event.m_x, event.m_y = 75, 75 |
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self.port.MouseMove(event) |
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self.port.MouseLeftUp(event) |
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self.assertFloatSeqEqual(rect, self.port.win_to_proj(0, 1000)+self.port.win_to_proj(1000, 0)) |
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test_tools(IdentifyTool(self.port), self.port.IdentifyTool) |
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event.m_x, event.m_y = self.port.proj_to_win(-18.18776318, 64.81418571) |
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self.port.MouseMove(event) |
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self.port.MouseLeftDown(event) |
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self.port.MouseLeftUp(event) |
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eq(self.port.SelectedShapes(), [610]) |
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test_tools(LabelTool(self.port), self.port.LabelTool) |
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# since adding a label requires use interaction with a dialog |
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# we will insert a label and then only test whether clicking |
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# removes the label |
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x, y = self.port.proj_to_win(-19.140, 63.4055717) |
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self.port.LabelShapeAt(x, y, "Hello world") |
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event.m_x, event.m_y = x, y |
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self.port.MouseMove(event) |
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self.port.MouseLeftDown(event) |
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self.port.MouseLeftUp(event) |
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eq(self.port.LabelShapeAt(x, y), False) # should have done nothing |
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if __name__ == "__main__": |
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unittest.main() |
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