def testAddPointLayer(self): points = Layer(self.map, name="Points", filename="points", layertype=LayerTypePoint) points.open(mode='w') self.map.addLayer(points) # Add a new point newpoint = CellElementPoint((16.185, 58.5912), objtype=10) newpoint.discretizeGeometry(points.getCell(1)) points.addCellElement(newpoint) self.map.close() map = createMap(self.testdatadir) map.open() points, group = map.getLayerAndGroupByName("Points") points.open('r') actual = Set(points.getCellElements()) expected = Set([newpoint]) self.assertSetsEqual(actual, expected)
def testAddPoint(self): outimage = os.path.join(self.tempdir.dir, 'test.imi') mi = MapImage(outimage) mi.open('w') m = mi.createMap() m.scale = 1e-3 m.bbox = ((-3.0, -4.0), (2.0, 1.0)) m.open("w") layer = Layer(m, name="The Layer", filename="layer", layertype=LayerTypePoint, nlevels = 1) m.addLayer(layer) layer.open("w") point = CellElementPoint((-1.5006, -3.5006)) layer.addCellElement(point) cell = layer.getCell(point.cellnum) self.assertEqual(point.cellnum, 4) point.discretizeGeometry(layer.getCell(point.cellnum)) self.assertAlmostEqual(point.x, -1.501) self.assertAlmostEqual(point.y, -3.501) mi.close() ## Read back mi = MapImage(outimage) mi.open('r') m = mi.maps[0]
def testAddGroup(self): map = createMap(self.testdatadir) map.open(mode='a') map.bigendian = True trailgroup = GroupNormal(map, name="00_Trails") map.addGroup(trailgroup) trailgroup.open("w") # Add trail layer and feature to new group trails = Layer(map, name="00_Trails", filename="00trails", layertype=LayerTypePolyline) trails.open(mode='w') map.addLayer(trails) trails.setXScale(1e-5) trails.setYScale(1e-5) trailgroup.addLayer(trails) newtrailwkt = "LINESTRING (16.185 58.5912, 16.186 58.5915)" newtrail = CellElementPolyline(trails, wkt=newtrailwkt) newtrail.discretizeGeometry(trails.getCell(1)) cellelementrefs = trails.addCellElement(newtrail) feature = FeatureNormal(name="Apgatan", layerindex=map.getLayerIndex(trails), objtype=29, cellelementreflist=cellelementrefs) trailgroup.addFeature(feature) map.writeImage('trails.img') map.close() os.system("cat " + os.path.join(self.testdatadir, "00map.ini")) map = createMap(self.testdatadir) map.open('r') trailgroup = map.getGroupByName("00_Trails") trailgroup.open() print "Trails", trails
def testAddGroup(self): map = createMap(self.testdatadir) map.open(mode='a') map.bigendian = True trailgroup = GroupNormal(map, name="00_Trails") map.addGroup(trailgroup) trailgroup.open("w") # Add trail layer and feature to new group trails = Layer(map, name="00_Trails", filename="00trails", layertype=LayerTypePolyline) trails.open(mode='w') map.addLayer(trails) trails.setXScale(1e-5) trails.setYScale(1e-5) trailgroup.addLayer(trails) newtrailwkt = "LINESTRING (16.185 58.5912, 16.186 58.5915)" newtrail = CellElementPolyline(trails, wkt=newtrailwkt) newtrail.discretizeGeometry(trails.getCell(1)) cellelementrefs = trails.addCellElement(newtrail) feature = FeatureNormal(name="Apgatan", layerindex=map.getLayerIndex(trails), objtype=29, cellelementreflist=cellelementrefs) trailgroup.addFeature(feature) map.writeImage('trails.img') map.close() os.system("cat " +os.path.join(self.testdatadir, "00map.ini")) map = createMap(self.testdatadir) map.open('r') trailgroup = map.getGroupByName("00_Trails") trailgroup.open() print "Trails",trails
def testAddPolylineLayer(self): trails = Layer(self.map, name="Trails", filename="trails", layertype=LayerTypePolyline) trails.open(mode='w') self.map.addLayer(trails) # Add a new trail newtrail = CellElementPolyline(((16.185, 58.5912), (16.186, 58.5915)), objtype=0) newtrail.discretizeGeometry(trails.getCell(1)) trails.addCellElement(newtrail) self.map.close() map = createMap(self.testdatadir) map.open() trails, group = map.getLayerAndGroupByName("Trails") trails.open('r') actual = Set(trails.getCellElements()) expected = Set([newtrail]) self.assertSetsEqual(actual, expected)