def testRenderLayerWithReferenceScale(self):
layer = QgsAnnotationLayer(
'test',
QgsAnnotationLayer.LayerOptions(
QgsProject.instance().transformContext()))
layer.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
self.assertTrue(layer.isValid())
item = QgsAnnotationPolygonItem(
QgsPolygon(
QgsLineString([
QgsPoint(12, 13),
QgsPoint(14, 13),
QgsPoint(14, 15),
QgsPoint(12, 13)
])))
item.setSymbol(
QgsFillSymbol.createSimple({
'color': '200,100,100',
'outline_color': 'black',
'outline_width': '2'
}))
item.setZIndex(3)
i1_id = layer.addItem(item)
item = QgsAnnotationLineItem(
QgsLineString(
[QgsPoint(11, 13),
QgsPoint(12, 13),
QgsPoint(12, 15)]))
item.setSymbol(
QgsLineSymbol.createSimple({
'color': '#ffff00',
'line_width': '3'
}))
item.setZIndex(2)
i2_id = layer.addItem(item)
item = QgsAnnotationMarkerItem(QgsPoint(12, 13))
item.setSymbol(
QgsMarkerSymbol.createSimple({
'color': '100,200,200',
'size': '6',
'outline_color': 'black'
}))
item.setZIndex(1)
i3_id = layer.addItem(item)
settings = QgsMapSettings()
settings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
settings.setExtent(QgsRectangle(10, 10, 18, 18))
settings.setOutputSize(QSize(300, 300))
settings.setFlag(QgsMapSettings.Antialiasing, False)
rc = QgsRenderContext.fromMapSettings(settings)
layer.item(i1_id).setUseSymbologyReferenceScale(True)
layer.item(i1_id).setSymbologyReferenceScale(rc.rendererScale() * 2)
# note item 3 has use symbology reference scale set to false, so should be ignored
layer.item(i2_id).setUseSymbologyReferenceScale(False)
layer.item(i2_id).setSymbologyReferenceScale(rc.rendererScale() * 2)
layer.item(i3_id).setUseSymbologyReferenceScale(True)
layer.item(i3_id).setSymbologyReferenceScale(rc.rendererScale() * 2)
image = QImage(200, 200, QImage.Format_ARGB32)
image.setDotsPerMeterX(int(96 / 25.4 * 1000))
image.setDotsPerMeterY(int(96 / 25.4 * 1000))
image.fill(QColor(255, 255, 255))
painter = QPainter(image)
rc.setPainter(painter)
try:
renderer = layer.createMapRenderer(rc)
renderer.render()
finally:
painter.end()
self.assertTrue(
self.imageCheck('layer_render_reference_scale',
'layer_render_reference_scale', image))
# also check details of rendered items
item_details = renderer.takeRenderedItemDetails()
self.assertEqual([i.layerId() for i in item_details], [layer.id()] * 3)
self.assertCountEqual([i.itemId() for i in item_details],
[i1_id, i2_id, i3_id])
self.assertEqual(
[i.boundingBox() for i in item_details if i.itemId() == i1_id][0],
QgsRectangle(12, 13, 14, 15))
self.assertEqual(
[i.boundingBox() for i in item_details if i.itemId() == i2_id][0],
QgsRectangle(11, 13, 12, 15))
self.assertEqual([
i.boundingBox().toString(1) for i in item_details
if i.itemId() == i3_id
][0], '11.4,12.4 : 12.6,13.6')
def test_resetSnappingIndex(self):
self.pointsLayer.setDependencies([])
self.linesLayer.setDependencies([])
self.pointsLayer2.setDependencies([])
ms = QgsMapSettings()
ms.setOutputSize(QSize(100, 100))
ms.setExtent(QgsRectangle(0, 0, 1, 1))
self.assertTrue(ms.hasValidSettings())
u = QgsSnappingUtils()
u.setMapSettings(ms)
cfg = u.config()
cfg.setEnabled(True)
cfg.setMode(QgsSnappingConfig.AdvancedConfiguration)
cfg.setIndividualLayerSettings(
self.pointsLayer,
QgsSnappingConfig.IndividualLayerSettings(True,
QgsSnappingConfig.Vertex,
20, QgsTolerance.Pixels))
u.setConfig(cfg)
m = u.snapToMap(QPoint(95, 100))
self.assertTrue(m.isValid())
self.assertTrue(m.hasVertex())
self.assertEqual(m.point(), QgsPointXY(1, 0))
f = QgsFeature(self.linesLayer.fields())
f.setId(1)
geom = QgsGeometry.fromWkt("LINESTRING(0 0,1 1)")
f.setGeometry(geom)
self.linesLayer.startEditing()
self.linesLayer.addFeatures([f])
self.linesLayer.commitChanges()
l1 = len([f for f in self.pointsLayer.getFeatures()])
self.assertEqual(l1, 4)
m = u.snapToMap(QPoint(95, 0))
# snapping not updated
self.pointsLayer.setDependencies([])
self.assertEqual(m.isValid(), False)
# set layer dependencies
self.pointsLayer.setDependencies(
[QgsMapLayerDependency(self.linesLayer.id())])
# add another line
f = QgsFeature(self.linesLayer.fields())
f.setId(2)
geom = QgsGeometry.fromWkt("LINESTRING(0 0,0.5 0.5)")
f.setGeometry(geom)
self.linesLayer.startEditing()
self.linesLayer.addFeatures([f])
self.linesLayer.commitChanges()
# check the snapped point is OK
m = u.snapToMap(QPoint(45, 50))
self.assertTrue(m.isValid())
self.assertTrue(m.hasVertex())
self.assertEqual(m.point(), QgsPointXY(0.5, 0.5))
self.pointsLayer.setDependencies([])
# test chained layer dependencies A -> B -> C
cfg.setIndividualLayerSettings(
self.pointsLayer2,
QgsSnappingConfig.IndividualLayerSettings(True,
QgsSnappingConfig.Vertex,
20, QgsTolerance.Pixels))
u.setConfig(cfg)
self.pointsLayer.setDependencies(
[QgsMapLayerDependency(self.linesLayer.id())])
self.pointsLayer2.setDependencies(
[QgsMapLayerDependency(self.pointsLayer.id())])
# add another line
f = QgsFeature(self.linesLayer.fields())
f.setId(3)
geom = QgsGeometry.fromWkt("LINESTRING(0 0.2,0.5 0.8)")
f.setGeometry(geom)
self.linesLayer.startEditing()
self.linesLayer.addFeatures([f])
self.linesLayer.commitChanges()
# check the second snapped point is OK
m = u.snapToMap(QPoint(75, 100 - 80))
self.assertTrue(m.isValid())
self.assertTrue(m.hasVertex())
self.assertEqual(m.point(), QgsPointXY(0.7, 0.8))
self.pointsLayer.setDependencies([])
self.pointsLayer2.setDependencies([])
def testPointsUsedAttributes(self):
points_shp = os.path.join(TEST_DATA_DIR, 'points.shp')
points_layer = QgsVectorLayer(points_shp, 'Points', 'ogr')
QgsProject.instance().addMapLayer(points_layer)
# Create rulebased style
sym1 = QgsMarkerSymbol()
l1 = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Triangle, 5)
l1.setColor(QColor(255, 0, 0))
l1.setStrokeStyle(Qt.NoPen)
l1.setDataDefinedProperty(QgsSymbolLayer.PropertyAngle,
QgsProperty.fromField("Heading"))
sym1.changeSymbolLayer(0, l1)
sym2 = QgsMarkerSymbol()
l2 = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Triangle, 5)
l2.setColor(QColor(0, 255, 0))
l2.setStrokeStyle(Qt.NoPen)
l2.setDataDefinedProperty(QgsSymbolLayer.PropertyAngle,
QgsProperty.fromField("Heading"))
sym2.changeSymbolLayer(0, l2)
sym3 = QgsMarkerSymbol()
l3 = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Triangle, 5)
l3.setColor(QColor(0, 0, 255))
l3.setStrokeStyle(Qt.NoPen)
l3.setDataDefinedProperty(QgsSymbolLayer.PropertyAngle,
QgsProperty.fromField("Heading"))
sym3.changeSymbolLayer(0, l3)
r1 = QgsRuleBasedRenderer.Rule(sym1, 0, 0, '"Class" = \'B52\'')
r2 = QgsRuleBasedRenderer.Rule(sym2, 0, 0, '"Class" = \'Biplane\'')
r3 = QgsRuleBasedRenderer.Rule(sym3, 0, 0, '"Class" = \'Jet\'')
rootrule = QgsRuleBasedRenderer.Rule(None)
rootrule.appendChild(r1)
rootrule.appendChild(r2)
rootrule.appendChild(r3)
renderer = QgsRuleBasedRenderer(rootrule)
points_layer.setRenderer(renderer)
ms = QgsMapSettings()
ms.setOutputSize(QSize(400, 400))
ms.setOutputDpi(96)
ms.setExtent(QgsRectangle(-133, 22, -70, 52))
ms.setLayers([points_layer])
ctx = QgsRenderContext.fromMapSettings(ms)
ctx.expressionContext().appendScope(
points_layer.createExpressionContextScope())
# for symbol layer
self.assertCountEqual(l1.usedAttributes(ctx), {'Heading'})
# for symbol
self.assertCountEqual(sym1.usedAttributes(ctx), {'Heading'})
# for symbol renderer
self.assertCountEqual(renderer.usedAttributes(ctx),
{'Class', 'Heading'})
QgsProject.instance().removeMapLayer(points_layer)
def testTransparency(self):
myPath = os.path.join(unitTestDataPath('raster'),
'band1_float32_noct_epsg4326.tif')
myFileInfo = QFileInfo(myPath)
myBaseName = myFileInfo.baseName()
myRasterLayer = QgsRasterLayer(myPath, myBaseName)
myMessage = 'Raster not loaded: %s' % myPath
assert myRasterLayer.isValid(), myMessage
renderer = QgsSingleBandGrayRenderer(myRasterLayer.dataProvider(), 1)
myRasterLayer.setRenderer(renderer)
myRasterLayer.setContrastEnhancement(
QgsContrastEnhancement.StretchToMinimumMaximum,
QgsRasterMinMaxOrigin.MinMax)
myContrastEnhancement = myRasterLayer.renderer().contrastEnhancement()
# print ("myContrastEnhancement.minimumValue = %.17g" %
# myContrastEnhancement.minimumValue())
# print ("myContrastEnhancement.maximumValue = %.17g" %
# myContrastEnhancement.maximumValue())
# Unfortunately the minimum/maximum values calculated in C++ and Python
# are slightly different (e.g. 3.3999999521443642e+38 x
# 3.3999999521444001e+38)
# It is not clear where the precision is lost.
# We set the same values as C++.
myContrastEnhancement.setMinimumValue(-3.3319999287625854e+38)
myContrastEnhancement.setMaximumValue(3.3999999521443642e+38)
#myType = myRasterLayer.dataProvider().dataType(1);
#myEnhancement = QgsContrastEnhancement(myType);
myTransparentSingleValuePixelList = []
rasterTransparency = QgsRasterTransparency()
myTransparentPixel1 = \
QgsRasterTransparency.TransparentSingleValuePixel()
myTransparentPixel1.min = -2.5840000772112106e+38
myTransparentPixel1.max = -1.0879999684602689e+38
myTransparentPixel1.percentTransparent = 50
myTransparentSingleValuePixelList.append(myTransparentPixel1)
myTransparentPixel2 = \
QgsRasterTransparency.TransparentSingleValuePixel()
myTransparentPixel2.min = 1.359999960575336e+37
myTransparentPixel2.max = 9.520000231087593e+37
myTransparentPixel2.percentTransparent = 70
myTransparentSingleValuePixelList.append(myTransparentPixel2)
rasterTransparency.setTransparentSingleValuePixelList(
myTransparentSingleValuePixelList)
rasterRenderer = myRasterLayer.renderer()
assert rasterRenderer
rasterRenderer.setRasterTransparency(rasterTransparency)
QgsProject.instance().addMapLayers([myRasterLayer, ])
myMapSettings = QgsMapSettings()
myMapSettings.setLayers([myRasterLayer])
myMapSettings.setExtent(myRasterLayer.extent())
myChecker = QgsRenderChecker()
myChecker.setControlName("expected_raster_transparency")
myChecker.setMapSettings(myMapSettings)
myResultFlag = myChecker.runTest("raster_transparency_python")
assert myResultFlag, "Raster transparency rendering test failed"
def testSymbolExpressionRender(self):
"""Test expressions embedded in legend node text"""
point_path = os.path.join(TEST_DATA_DIR, 'points.shp')
point_layer = QgsVectorLayer(point_path, 'points', 'ogr')
layout = QgsPrintLayout(QgsProject.instance())
layout.setName('LAYOUT')
layout.initializeDefaults()
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(20, 20, 80, 80))
map.setFrameEnabled(True)
map.setLayers([point_layer])
layout.addLayoutItem(map)
map.setExtent(point_layer.extent())
legend = QgsLayoutItemLegend(layout)
legend.setTitle("Legend")
legend.attemptSetSceneRect(QRectF(120, 20, 100, 100))
legend.setFrameEnabled(True)
legend.setFrameStrokeWidth(QgsLayoutMeasurement(2))
legend.setBackgroundColor(QColor(200, 200, 200))
legend.setTitle('')
legend.setLegendFilterByMapEnabled(False)
legend.setStyleFont(QgsLegendStyle.Title,
QgsFontUtils.getStandardTestFont('Bold', 16))
legend.setStyleFont(QgsLegendStyle.Group,
QgsFontUtils.getStandardTestFont('Bold', 16))
legend.setStyleFont(QgsLegendStyle.Subgroup,
QgsFontUtils.getStandardTestFont('Bold', 16))
legend.setStyleFont(QgsLegendStyle.Symbol,
QgsFontUtils.getStandardTestFont('Bold', 16))
legend.setStyleFont(QgsLegendStyle.SymbolLabel,
QgsFontUtils.getStandardTestFont('Bold', 16))
legend.setAutoUpdateModel(False)
QgsProject.instance().addMapLayers([point_layer])
s = QgsMapSettings()
s.setLayers([point_layer])
group = legend.model().rootGroup().addGroup(
"Group [% 1 + 5 %] [% @layout_name %]")
layer_tree_layer = group.addLayer(point_layer)
counterTask = point_layer.countSymbolFeatures()
counterTask.waitForFinished()
layer_tree_layer.setCustomProperty(
"legend/title-label",
'bbbb [% 1+2 %] xx [% @layout_name %] [% @layer_name %]')
QgsMapLayerLegendUtils.setLegendNodeUserLabel(layer_tree_layer, 0,
'xxxx')
legend.model().refreshLayerLegend(layer_tree_layer)
layer_tree_layer.setLabelExpression(
'Concat(@symbol_id, @symbol_label, count("Class"))')
legend.model().layerLegendNodes(layer_tree_layer)[0].setUserLabel(
' sym 1')
legend.model().layerLegendNodes(layer_tree_layer)[1].setUserLabel(
'[%@symbol_count %]')
legend.model().layerLegendNodes(layer_tree_layer)[2].setUserLabel(
'[% count("Class") %]')
layout.addLayoutItem(legend)
legend.setLinkedMap(map)
legend.updateLegend()
print(layer_tree_layer.labelExpression())
map.setExtent(QgsRectangle(-102.51, 41.16, -102.36, 41.30))
checker = QgsLayoutChecker('composer_legend_symbol_expression', layout)
checker.setControlPathPrefix("composer_legend")
sleep(4)
result, message = checker.testLayout()
self.assertTrue(result, message)
QgsProject.instance().removeMapLayers([point_layer.id()])
def setUp(self):
"""Run before each test."""
self.mapSettings = QgsMapSettings()
self.mComposition = QgsComposition(self.mapSettings)
self.mComposition.setPaperSize(297, 210) #A4 landscape
def testRenderMultipleRenderersAboveAndBelow(self):
poly_layer = QgsVectorLayer(os.path.join(TEST_DATA_DIR, 'polys.shp'))
self.assertTrue(poly_layer.isValid())
sym1 = QgsFillSymbol.createSimple({
'color': '#ffaaff',
'outline_color': '#000000',
'outline_width': '1'
})
renderer = QgsSingleSymbolRenderer(sym1)
poly_layer.setRenderer(renderer)
# add secondary renderer, for rendering below
class Gen1(QgsFeatureRendererGenerator):
def id(self):
return 'Gen1'
def level(self):
return 3
def createRenderer(self):
renderer = QgsCategorizedSymbolRenderer()
renderer.setClassAttribute('Name')
cf1 = QgsCentroidFillSymbolLayer()
cf1.setSubSymbol(
QgsMarkerSymbol.createSimple({
'color': '#33aa33',
'outline_style': 'no',
'size': '5'
}))
sym1 = QgsFillSymbol([cf1])
cf2 = QgsCentroidFillSymbolLayer()
cf2.setSubSymbol(
QgsMarkerSymbol.createSimple({
'color': '#aa33aa',
'outline_style': 'no',
'size': '5'
}))
sym2 = QgsFillSymbol([cf2])
renderer.addCategory(QgsRendererCategory('Dam', sym1, 'Dam'))
renderer.addCategory(QgsRendererCategory('Lake', sym2, 'Lake'))
return renderer
# add secondary renderer, for rendering below
class Gen2(QgsFeatureRendererGenerator):
def id(self):
return 'Gen2'
def level(self):
return 2
def createRenderer(self):
renderer = QgsCategorizedSymbolRenderer()
renderer.setClassAttribute('Value < 12')
cf1 = QgsCentroidFillSymbolLayer()
cf1.setSubSymbol(
QgsMarkerSymbol.createSimple({
'color': '#aa1111',
'outline_style': 'no',
'size': '8'
}))
sym1 = QgsFillSymbol([cf1])
cf2 = QgsCentroidFillSymbolLayer()
cf2.setSubSymbol(
QgsMarkerSymbol.createSimple({
'color': '#1111dd',
'outline_style': 'no',
'size': '8'
}))
sym2 = QgsFillSymbol([cf2])
renderer.addCategory(QgsRendererCategory('1', sym1, '1'))
renderer.addCategory(QgsRendererCategory('0', sym2, '0'))
return renderer
# add secondary renderer, for rendering below
class Gen1b(QgsFeatureRendererGenerator):
def id(self):
return 'Gen1b'
def level(self):
return -2
def createRenderer(self):
renderer = QgsCategorizedSymbolRenderer()
renderer.setClassAttribute('Name')
sym1 = QgsFillSymbol.createSimple({
'color': '#ffaaff',
'outline_color': '#33aa33',
'outline_width': '3'
})
sym2 = QgsFillSymbol.createSimple({
'color': '#ffaaff',
'outline_color': '#aa33aa',
'outline_width': '3'
})
renderer.addCategory(QgsRendererCategory('Dam', sym1, 'Dam'))
renderer.addCategory(QgsRendererCategory('Lake', sym2, 'Lake'))
return renderer
# add secondary renderer, for rendering below
class Gen2b(QgsFeatureRendererGenerator):
def id(self):
return 'Gen2b'
def level(self):
return -3
def createRenderer(self):
renderer = QgsCategorizedSymbolRenderer()
renderer.setClassAttribute('Value < 12')
sym1 = QgsFillSymbol.createSimple({
'color': '#ffaaff',
'outline_color': '#aa1111',
'outline_width': '5'
})
sym2 = QgsFillSymbol.createSimple({
'color': '#ffaaff',
'outline_color': '#1111dd',
'outline_width': '5'
})
renderer.addCategory(QgsRendererCategory('1', sym1, '1'))
renderer.addCategory(QgsRendererCategory('0', sym2, '0'))
return renderer
poly_layer.addFeatureRendererGenerator(Gen1())
poly_layer.addFeatureRendererGenerator(Gen2())
poly_layer.addFeatureRendererGenerator(Gen1b())
poly_layer.addFeatureRendererGenerator(Gen2b())
mapsettings = QgsMapSettings()
mapsettings.setOutputSize(QSize(400, 400))
mapsettings.setOutputDpi(96)
mapsettings.setDestinationCrs(
QgsCoordinateReferenceSystem('EPSG:3857'))
mapsettings.setExtent(
QgsRectangle(-13875783.2, 2266009.4, -8690110.7, 6673344.5))
mapsettings.setLayers([poly_layer])
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(mapsettings)
renderchecker.setControlPathPrefix('vectorlayerrenderer')
renderchecker.setControlName(
'expected_multiple_renderers_both_above_below')
result = renderchecker.runTest(
'expected_multiple_renderers_both_above_below')
self.report += renderchecker.report()
self.assertTrue(result)
# also try with symbol levels
renderer.setUsingSymbolLevels(True)
poly_layer.setRenderer(renderer)
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(mapsettings)
renderchecker.setControlPathPrefix('vectorlayerrenderer')
renderchecker.setControlName(
'expected_multiple_renderers_both_above_below')
result = renderchecker.runTest(
'expected_multiple_renderers_both_above_below')
self.report += renderchecker.report()
self.assertTrue(result)
def testReprojectionErrorsWhileRendering(self):
# WKT of a polygon which causes reprojection errors while rendering
# (apologies for the ridiculously complex wkt, but I can't find a way to reproduce with simplifiction)
wkt = 'MultiPolygon (((16.93392988400009358 42.77094147300012139, 16.88493899800005238 42.72939687700012712, ' \
'16.80298912900011032 42.76349518400014915, 16.85816491000014139 42.78400299700011544, ' \
'16.93392988400009358 42.77094147300012139)),((17.38200931100010393 42.79783763200002511, ' \
'17.65894616000011297 42.74298737200008702, 17.74887129000009622 42.69456614800010641, ' \
'17.32374108200008322 42.79083893400003547, 17.38200931100010393 42.79783763200002511)),' \
'((16.768565300000148 42.97223541900014254, 17.03207441500009622 42.98261139500014849, ' \
'17.13184655000009116 42.96954987200014386, 17.20020592500009116 42.92177969000012183, ' \
'16.85141035200010151 42.90070221600008438, 16.65544681100004709 42.92625560099999404, ' \
'16.70679772200014668 42.96954987200014386, 16.63168379000003938 42.98261139500014849, ' \
'16.768565300000148 42.97223541900014254)),((17.05567467500011958 43.02895742400001211, ' \
'17.24024498800011429 43.02277252800014651, 17.74146569100011561 42.83926015800001608, ' \
'17.70736738400009358 42.88703034100014122, 17.65334906206413734 42.8909283361407887, ' \
'17.70158573400010482 42.91950022500007833, 17.81175988700005064 42.909862570000044, ' \
'17.85847538200005147 42.81697418200012351, 18.22413781700009849 42.62807098500009317, ' \
'18.43735477700010961 42.55921213800017711, 18.4371480710000526 42.4934022020000981, ' \
'18.49642988400009358 42.41632721600008438, 18.23894290500010129 42.55906810100005089, ' \
'18.21753991000014139 42.6201032570001388, 18.07601972700010151 42.65131256700003348, ' \
'18.0432235040000819 42.70205312700007028, 17.90162194100014403 42.75189850500014188, ' \
'17.8928328790000819 42.79083893400003547, 17.72095787900005348 42.8262393250000315, ' \
'17.7618921230000808 42.77871328300012976, 17.74870853000004445 42.77204010600017625, ' \
'17.21387780000011958 42.98261139500014849, 17.04615319100011561 42.9950625670000619, ' \
'17.00163821700004974 43.05149974200010377, 17.05567467500011958 43.02895742400001211)),' \
'((16.19467207100007045 43.07440827000000638, 16.254893425000148 43.06854889500006323, ' \
'16.08716881600014403 43.01146067900008063, 16.04883873800011429 43.06517161700004692, ' \
'16.19467207100007045 43.07440827000000638)),((16.56275475400011032 43.22898997600010773, ' \
'16.65951582100009887 43.21596914300012315, 16.72771243600001867 43.16461823100003414, ' \
'17.19336998800014271 43.12726471600016964, 16.67017662900013875 43.12547435099999404, ' \
'16.37159264400014536 43.19550202000006323, 16.49642988400006516 43.21808502800014651, ' \
'16.58326256600014403 43.18866608300005794, 16.52051842500006273 43.22898997600010773, ' \
'16.56275475400011032 43.22898997600010773)),((16.80681399800010922 43.34247467700005529, ' \
'16.89234459700011826 43.31220123900006058, 16.84620201900008851 43.27338288000005662, ' \
'16.62826582100012729 43.26373932500008834, 16.50074303500014139 43.28424713700003679, ' \
'16.42188561300008587 43.31757233300011478, 16.40577233200011165 43.33270905200011214, ' \
'16.45346113400009358 43.35317617400009738, 16.42628014400008851 43.39411041900011412, ' \
'16.44703209700008983 43.39484284100014122, 16.80681399800010922 43.34247467700005529)),' \
'((16.29818769600012729 43.40363190300011809, 16.30274498800008587 43.38727448100009099, ' \
'16.39144941500012465 43.34638092700005529, 16.348643425000148 43.33869049700003018, ' \
'16.20045006600014403 43.40704987200003018, 16.29818769600012729 43.40363190300011809)),' \
'((16.33415774800010922 43.50153229400014254, 16.3752547540000819 43.49017975500008504, ' \
'16.21143639400008851 43.49005768400009231, 16.26441491000014139 43.51288483300011478, ' \
'16.33415774800010922 43.50153229400014254)),((15.67888431100004709 43.64801666900014254, ' \
'15.74040774800010922 43.62750885600009099, 15.67204837300002396 43.63743724200010377, ' \
'15.60377037900013875 43.67470937700007028, 15.67888431100004709 43.64801666900014254)),' \
'((15.36736087300005238 43.79010651200015047, 15.39568118600007551 43.7724063170000619, ' \
'15.22779381600014403 43.87445709800014981, 15.24073326900014536 43.88076406500009341, ' \
'15.36736087300005238 43.79010651200015047)),((15.44271894600009887 43.89907461100013109, ' \
'15.35865319100014403 43.91937897300014981, 15.26124108200011165 44.01105377800003282, ' \
'15.38404381600008719 43.9701602230000077, 15.44271894600009887 43.89907461100013109)),' \
'((15.22575931100010393 44.06622955900014915, 15.25440514400008851 44.01788971600014122, ' \
'15.12183678500014139 44.09223053600005926, 15.06251061300008587 44.16193268400012073, ' \
'15.22575931100010393 44.06622955900014915)),((14.83545983200014007 44.15102773600013109, ' \
'14.85726972700010151 44.15204498900000374, 14.86915123800014271 44.14052969000006499, ' \
'14.83521569100008719 44.14166901200009363, 14.81983483200014007 44.15302155199999845, ' \
'14.82243899800005238 44.16868724200004692, 14.83545983200014007 44.15102773600013109)),' \
'((14.98511803500011297 44.09096914300012315, 15.21680748800008587 43.91278717700008372, ' \
'15.13331139400011693 43.92121002800003282, 15.19450931100004709 43.87262604400017096, ' \
'15.10661868600007551 43.92544179900015422, 14.84961998800014271 44.17560455900014915, ' \
'14.98511803500011297 44.09096914300012315)),((14.765961134000122 44.26504140800015819, ' \
'14.74854576900014536 44.26166413000014188, 14.73959394600012729 44.28017812700015554, ' \
'14.79167728000007287 44.27252838700003679, 14.765961134000122 44.26504140800015819)),' \
'((14.66138756600011561 44.30866120000014519, 14.6407983730000808 44.31183502800003282, ' \
'14.59506269600007045 44.34711334800006455, 14.643565300000148 44.32575104400011412, ' \
'14.66138756600011561 44.30866120000014519)),((14.81120853000004445 44.35004303600000242, ' \
'14.75619550900009358 44.36399974200004692, 14.76343834700008983 44.41535065300017493, ' \
'14.80323326900008851 44.40550364800004957, 14.81120853000004445 44.35004303600000242)),' \
'((14.27116946700002131 44.61253489800004957, 14.23259524800005238 44.62604401200012205, ' \
'14.2657983730000808 44.67951080900003547, 14.28044681100007551 44.67755768400009231, ' \
'14.27116946700002131 44.61253489800004957)),((14.84522545700008322 44.60053131700011875, ' \
'14.93824303500014139 44.59414297100001079, 15.07553144600007045 44.48407623900006058, ' \
'14.91114342500011958 44.54547760600014783, 15.04802493600004709 44.43943919500001982, ' \
'15.09669030000009116 44.41518789300000947, 15.04151451900014536 44.47662995000008834, ' \
'15.25440514400008851 44.34003327000000638, 15.165049675000148 44.36737702000006323, ' \
'15.22022545700008322 44.3127302100001117, 15.13086998800008587 44.33258698100003414, ' \
'15.17237389400014536 44.29913971600016964, 15.12875410200007309 44.31199778900018771, ' \
'15.08920332100009887 44.37421295800000109, 15.11719811300014271 44.38719310099999404, ' \
'15.04900149800010922 44.39468008000015686, 14.89747155000009116 44.49091217699999845, ' \
'14.91863040500010129 44.50454336100013109, 14.87696373800011429 44.55975983300005794, ' \
'14.73365319100008719 44.70319245000014519, 14.84522545700008322 44.60053131700011875)),' \
'((14.41000410200010151 44.60097890800001608, 14.52662194100011561 44.50372955900012073, ' \
'14.53435306100010393 44.48407623900006058, 14.42261803500008455 44.57387929900009738, ' \
'14.36304772200014668 44.57343170800000109, 14.38257897200014668 44.60325755399999537, ' \
'14.33578535200007309 44.71678294500010509, 14.39747155000009116 44.6856143250000315, ' \
'14.41000410200010151 44.60097890800001608)),((14.75326582100007045 44.84585195500012844, ' \
'14.74048912900011032 44.82050202000000638, 14.82243899800005238 44.77142975500005662, ' \
'14.84961998800014271 44.70319245000014519, 14.65788821700004974 44.79877350500014188, ' \
'14.7268172540000819 44.79877350500014188, 14.6858016290000819 44.8471540390000456, ' \
'14.75326582100007045 44.84585195500012844)),((14.47103925900006516 44.95392487200003018, ' \
'14.45191491000008455 44.79877350500014188, 14.47217858200011165 44.7079531920000619, ' \
'14.53435306100010393 44.63426341400010244, 14.51335696700007816 44.618841864000089, ' \
'14.42790774800005238 44.65656159100014122, 14.29420006600008719 44.9086367860001161, ' \
'14.30152428500011297 44.94342682500014519, 14.38738040500004445 44.90900299700003018, ' \
'14.39031009200004974 44.96039459800012139, 14.41138756600008719 44.95636627800014651, ' \
'14.27849368600004709 45.1133487000000315, 14.29957116000014139 45.16233958499999801, ' \
'14.35621178500014139 45.16925690300008966, 14.387705925000148 45.03904857000013351, ' \
'14.47103925900006516 44.95392487200003018)),((14.56332441500012465 45.24974192900008063, ' \
'14.62378991000011297 45.17548248900006058, 14.59742272200011826 45.16644928600005926, ' \
'14.66529381600011561 45.16181061400011743, 14.66529381600011561 45.08734772300006455, ' \
'14.74048912900011032 45.07306549700014386, 14.81495201900008851 44.97748444200009033, ' \
'14.70639082100009887 44.9467227230000077, 14.62891686300014271 44.97817617400004053, ' \
'14.62086022200008983 45.04559967700011214, 14.61695397200008983 45.02464427300007799, ' \
'14.51050866000014139 45.03217194200011875, 14.43873131600014403 45.07050202000006323, ' \
'14.4670516290000819 45.12409088700015047, 14.53012129000009622 45.13483307500014519, ' \
'14.53435306100010393 45.23753489800002114, 14.56332441500012465 45.24974192900008063)),' \
'((16.36947066200013978 46.54057118800012915, 16.63767134600004738 46.47447703100009164, ' \
'16.75508020000012266 46.38187286400001597, 16.83765913900006694 46.38187286400001597, ' \
'16.88923221800007468 46.29216257800014489, 17.05294315600005461 46.15346303300005104, ' \
'17.20859257000006437 46.11656606000003933, 17.27587528500004055 46.01202463800002818, ' \
'17.31680301900004793 45.99765859000002877, 17.29013798000011093 45.98463612900009423, ' \
'17.40620324700006449 45.94365671800015605, 17.59110152100009827 45.93621531200012953, ' \
'17.65652388500006964 45.84541982000014571, 17.80917606600013414 45.81441396100005647, ' \
'17.85806197100004056 45.77172922800004073, 18.21121870900006456 45.78537180600012846, ' \
'18.40438521300006869 45.74180857400001798, 18.57347049900010916 45.81668772400014689, ' \
'18.6556360270001278 45.90758656800015558, 18.7755253500000947 45.88283355700004051, ' \
'18.90130578600007993 45.93120269800006383, 18.87288374800004931 45.89523590100002082, ' \
'18.90699019400011593 45.86795074500018643, 18.85531376100007606 45.85735707600009903, ' \
'18.84497847500006174 45.8157058720000947, 18.96848514800012708 45.66873809800016204, ' \
'18.90357954900008508 45.57308502200005762, 18.94171675700005153 45.53892689999999277, ' \
'19.01809452300011571 45.56740061400002162, 19.10625451700005328 45.51164174500017623, ' \
'19.00961958800010621 45.49867095900005154, 19.00300500400010151 45.45536611000007099, ' \
'19.03742150900006891 45.42229319300010104, 18.97592655400006834 45.39495636000008005, ' \
'19.09199182100007874 45.34999786400005917, 19.12475467900009107 45.29811472600006539, ' \
'19.36308638500014467 45.24824696900010679, 19.40783817500010855 45.20313344400013023, ' \
'19.39068160000005037 45.16933705700016333, 19.22593713300008744 45.16194732700016345, ' \
'19.12186079900010327 45.195795390000157, 19.13767378700009658 45.14603098600004216, ' \
'19.04486291500009543 45.13724599300006446, 19.08227665200013234 45.08494944300004192, ' \
'19.0872375890000967 44.97710072800013847, 19.13167932100006396 44.95317454000003465, ' \
'19.06667036900009293 44.90568389900012392, 18.99142948400006503 44.9149339800001286, ' \
'19.01582076000008215 44.86563466400004074, 18.88962691200009658 44.86119049100013001, ' \
'18.78338016700013213 44.91374542300012251, 18.79175174900009893 45.00154368100008639, ' \
'18.73831831900008638 45.0159097290000858, 18.68405806500004473 45.08479441400000098, ' \
'18.64871138500012648 45.06267689999999959, 18.61667199700013953 45.09766184500010411, ' \
'18.54959598800010667 45.09476796500011631, 18.51703983500007666 45.05585561200003042, ' \
'18.23788374800011525 45.15745147700012296, 18.15365116400005263 45.0975584930001645, ' \
'18.00347945100011771 45.1493382780000303, 17.83573775200005684 45.0644338990000648, ' \
'17.68473921700012852 45.1639627080000281, 17.48185754400009273 45.11440500900012296, ' \
'17.49622359200009214 45.1416901650001563, 17.44775109900012922 45.13430043600014585, ' \
'17.44330692500011537 45.16205068000009248, 17.38243208800008688 45.1396231090000839, ' \
'17.26895064300006766 45.18954254200015441, 17.24548954300007608 45.15538442000017483, ' \
'17.18709517400012032 45.14856313100001728, 17.0363033440001459 45.23047027600007652, ' \
'17.00829471800011561 45.21615590500009318, 17.00829471800011561 45.24416453100009505, ' \
'16.94731652900014751 45.23568959600000028, 16.9243721930001243 45.28452382500016427, ' \
'16.81171757000004163 45.18122263700009, 16.52894413300009546 45.22225372400005483, ' \
'16.38921106000003647 45.11683380099999852, 16.31624393700010955 45.00123362300008978, ' \
'16.12152714000009723 45.09616322900008356, 16.02044803900011516 45.213933818000001, ' \
'15.79234826700013627 45.18980092400012438, 15.76361617000014803 44.97555043600003444, ' \
'15.7308533120001357 44.92723297200008403, 15.77343469200010873 44.84501576800015243, ' \
'15.71607385200013596 44.80320953400008932, 15.72847619600008784 44.76910308800002269, ' \
'15.80568078600006743 44.69665273000013883, 15.88877648900006534 44.72424794500012979, ' \
'15.96897831200004703 44.63924021400013942, 16.02830285600006732 44.62471913700009907, ' \
'16.04473596200011798 44.58937245700018082, 16.00608199000004106 44.54100331600012908, ' \
'16.11646285000011858 44.52146962500013672, 16.15966434700004584 44.41610138000002905, ' \
'16.13827030500004867 44.37760243800015303, 16.20286584400008678 44.35977406800010669, ' \
'16.18756962000011868 44.28241444999999032, 16.21578495300011014 44.20815541600011045, ' \
'16.32688928200008149 44.08237498000012522, 16.50103885900011846 43.99271637000008184, ' \
'16.67859908100004418 43.8406843060001421, 16.71260217300007866 43.77151540100005889, ' \
'17.03051558500007445 43.54847991900005866, 17.27050093600007585 43.46321380700000248, ' \
'17.28993127500007176 43.3034302780000786, 17.44206669100009321 43.15243174300015028, ' \
'17.6284119050001209 43.04657257100008394, 17.66272505700004558 42.96569895500012137, ' \
'17.63450972400008254 42.950402731000068, 17.51563561300008587 42.95888906500012183, ' \
'17.47087649800005238 43.01341380400010905, 17.50196373800014271 43.03099192900005221, ' \
'17.43360436300014271 43.01740143400009231, 17.46021569100011561 43.03099192900005221, ' \
'17.42611738400009358 43.06517161700004692, 17.4045516290000819 43.05149974200010377, ' \
'17.31625410200012993 43.12726471600016964, 17.11394290500004445 43.21320221600008438, ' \
'16.88062584700011826 43.40595123900006058, 16.62582441500009622 43.44904205900009231, ' \
'16.52466881600011561 43.51080963700009363, 16.39144941500012465 43.51080963700009363, ' \
'16.47339928500008455 43.5381533870001789, 16.43384850400013875 43.54975006700000506, ' \
'16.11768639400008851 43.52448151200003679, 16.17237389400014536 43.4896914730000077, ' \
'16.11312910200004467 43.47890859600009605, 15.95948326900011693 43.50397370000008834, ' \
'15.987315300000148 43.54490794500010509, 15.92530358200011165 43.55857982000004824, ' \
'15.91895592500009116 43.62872955900012073, 15.96631920700011165 43.64118073100003414, ' \
'15.90479576900014536 43.64801666900014254, 15.95297285200010151 43.65086497599999404, ' \
'15.95045006600008719 43.68854401200015047, 15.70630944100008719 43.76341380400005221, ' \
'15.6174422540000819 43.82550690300017493, 15.66309655000009116 43.81297435099999404, ' \
'15.67888431100004709 43.81928131700011875, 15.45508873800014271 43.92804596600014122, ' \
'15.14454186300011429 44.19546133000015686, 15.15219160200012993 44.23529694200014717, ' \
'15.11036217500011958 44.26434967700011214, 15.14063561300011429 44.28245677300013483, ' \
'15.17660566500009622 44.24994538000005662, 15.20777428500008455 44.27277252800014651, ' \
'15.19809004000012465 44.30166250200007028, 15.295258009000122 44.25067780199999845, ' \
'15.30274498800008587 44.29913971600016964, 15.26124108200011165 44.33258698100003414, ' \
'15.42448978000001603 44.26797109600006763, 15.52865644600009887 44.27179596600008438, ' \
'15.30795332100009887 44.35439687700007028, 15.00733483200014007 44.56972890800012976, ' \
'14.883799675000148 44.7236188820001388, 14.883799675000148 44.86147695500012844, 14.92164147200008983 ' \
'44.95880768400009231, 14.85279381600011561 45.09365469000000815, 14.65788821700004974 ' \
'45.19660065300017493, 14.57081139400008851 45.29364655200011214, 14.31153405000009116 ' \
'45.34398021000005485, 14.23259524800005238 45.14935944200000506, 14.17937259200007816 ' \
'45.13450755400005221, 14.19312584700008983 45.10561758000012844, 14.14389082100007045 ' \
'45.05939362200003018, 14.151377800000148 44.97748444200009033, 14.06885826900014536 ' \
'44.94953034100014122, 14.08383222700007309 44.9863955750000315, 14.04029381600014403 ' \
'45.03896719000015025, 14.0756942070000548 44.98371002800003282, 14.02051842500011958 ' \
'44.90110911700004692, 13.97266686300011429 44.90110911700004692, 13.99301191500009622 ' \
'44.88129303600014453, 13.97266686300011429 44.82664622599999404, 14.00001061300008587 ' \
'44.81305573100003414, 13.89014733200011165 44.83348216400010244, 13.91797936300014271 ' \
'44.77826569200009033, 13.90316816500009622 44.77240631700014717, 13.89698326900011693 ' \
'44.81305573100003414, 13.78711998800014271 44.87506745000008834, 13.84229576900008851 ' \
'44.88812897300006455, 13.79460696700010658 44.89496491100008768, 13.77409915500007287 ' \
'44.96381256700014717, 13.6232202480000808 45.07306549700014386, 13.61255944100014403 ' \
'45.11786530199999845, 13.72624759200004974 45.13450755400005221, 13.5959578790000819 ' \
'45.14541250200001343, 13.57545006600011561 45.26487864800007799, 13.60271243600001867 ' \
'45.28534577000012007, 13.57545006600011561 45.30646393400006389, 13.60954837300005238 ' \
'45.32013580900017757, 13.54127037900013875 45.34613678600005926, 13.50709069100014403 ' \
'45.51190827000000638, 13.62901778100007277 45.45898346000016943, 13.75929406800014476 ' \
'45.46316925100011019, 13.88900191200011136 45.42363678000005223, 13.98263960800005634 ' \
'45.47531321200001742, 13.97189091000012695 45.5142255660000643, 14.09291711400010172 ' \
'45.47391794800002174, 14.21869755100007637 45.49717234400004884, 14.37279667100006009 ' \
'45.47784535800009564, 14.4689148350000778 45.52559438100014688, 14.49857710800012001 ' \
'45.59618438800005435, 14.58094934100009255 45.66780792200010808, 14.66848921700008646 ' \
'45.53396596300005683, 14.79716353300005949 45.46518463200006011, 14.88160282300009385 ' \
'45.46978383400001178, 14.9226339110000481 45.51494903600017494, 15.13926151500010064 ' \
'45.43004465799999991, 15.32519331800011742 45.45283396399999276, 15.36136682100004691 ' \
'45.48203114900003641, 15.29666792800006192 45.52295888300012905, 15.2685559480001416 ' \
'45.60166208900012919, 15.37376916500011248 45.64021270800010655, 15.25501672300006817 ' \
'45.72346344000011698, 15.42906294700014769 45.77529490200011253, 15.45128381300008868 ' \
'45.81513743100013869, 15.67607629400006886 45.84169911700014666, 15.65943648300003588 ' \
'45.88882802400014782, 15.69798710100010908 46.0362092080000167, 15.58988000500005455 ' \
'46.11351715100001059, 15.62284956800010605 46.19170359400006021, 16.01920780400010358 ' \
'46.29882883700007312, 16.05961877400008575 46.33231516600015709, 16.0579651280001201 ' \
'46.37753204400003426, 16.2756262620000598 46.37316538500006402, 16.23490523300009158 ' \
'46.4933389280001137, 16.36947066200013978 46.54057118800012915))) '
geom = QgsGeometry.fromWkt(wkt)
f = QgsFeature()
f.setGeometry(geom)
image = QImage(200, 200, QImage.Format_RGB32)
painter = QPainter()
ms = QgsMapSettings()
crs = QgsCoordinateReferenceSystem.fromProj4(
'+proj=ortho +lat_0=36.5 +lon_0=-118.8 +x_0=0 +y_0=0 +a=6371000 +b=6371000 +units=m +no_defs'
)
self.assertTrue(crs.isValid())
ms.setDestinationCrs(crs)
ms.setExtent(QgsRectangle(1374999.8, 3912610.7, 4724462.5, 6505499.6))
ms.setOutputSize(image.size())
context = QgsRenderContext.fromMapSettings(ms)
context.setPainter(painter)
context.setScaleFactor(96 / 25.4) # 96 DPI
ct = QgsCoordinateTransform(QgsCoordinateReferenceSystem('epsg:4326'),
crs, QgsProject.instance())
self.assertTrue(ct.isValid())
context.setCoordinateTransform(ct)
context.setExtent(
ct.transformBoundingBox(ms.extent(),
QgsCoordinateTransform.ReverseTransform))
fill_symbol = QgsFillSymbol.createSimple({
'color': '#ffffff',
'outline_color': '#ffffff',
'outline_width': '10'
})
painter.begin(image)
try:
image.fill(QColor(0, 0, 0))
fill_symbol.startRender(context)
fill_symbol.renderFeature(f, context)
fill_symbol.stopRender(context)
finally:
painter.end()
assert self.imageCheck('Reprojection errors polygon',
'reprojection_errors_polygon', image)
#also test linestring
linestring = QgsGeometry(geom.constGet().boundary())
f.setGeometry(linestring)
line_symbol = QgsLineSymbol.createSimple({
'color': '#ffffff',
'outline_width': '10'
})
image = QImage(200, 200, QImage.Format_RGB32)
painter.begin(image)
try:
image.fill(QColor(0, 0, 0))
line_symbol.startRender(context)
line_symbol.renderFeature(f, context)
line_symbol.stopRender(context)
finally:
painter.end()
assert self.imageCheck('Reprojection errors linestring',
'reprojection_errors_linestring', image)
def testConvertToPainterUnits(self):
# test QgsSymbolLayerUtils::convertToPainterUnits() using QgsMapUnitScale
ms = QgsMapSettings()
ms.setExtent(QgsRectangle(0, 0, 100, 100))
ms.setOutputSize(QSize(100, 50))
ms.setOutputDpi(300)
r = QgsRenderContext.fromMapSettings(ms)
# renderer scale should be about 1:291937841
# start with no min/max scale
c = QgsMapUnitScale()
size = QgsSymbolLayerUtils.convertToPainterUnits(
r, 2, QgsUnitTypes.RenderMapUnits, c)
self.assertAlmostEqual(size, 1.0, places=5)
size = QgsSymbolLayerUtils.convertToPainterUnits(
r, 2, QgsUnitTypes.RenderMillimeters, c)
self.assertAlmostEqual(size, 23.622047, places=5)
size = QgsSymbolLayerUtils.convertToPainterUnits(
r, 2, QgsUnitTypes.RenderPoints, c)
self.assertAlmostEqual(size, 66.9601332, places=5)
size = QgsSymbolLayerUtils.convertToPainterUnits(
r, 2, QgsUnitTypes.RenderPixels, c)
self.assertAlmostEqual(size, 2.0, places=5)
# minimum size greater than the calculated size, so size should be limited to minSizeMM
c.minSizeMM = 5
c.minSizeMMEnabled = True
size = QgsSymbolLayerUtils.convertToPainterUnits(
r, 2, QgsUnitTypes.RenderMapUnits, c)
self.assertAlmostEqual(size, 59.0551181, places=5)
# only conversion from mapunits should be affected
size = QgsSymbolLayerUtils.convertToPainterUnits(
r, 2, QgsUnitTypes.RenderMillimeters, c)
self.assertAlmostEqual(size, 23.622047, places=5)
size = QgsSymbolLayerUtils.convertToPainterUnits(
r, 2, QgsUnitTypes.RenderPoints, c)
self.assertAlmostEqual(size, 66.9601332, places=5)
size = QgsSymbolLayerUtils.convertToPainterUnits(
r, 2, QgsUnitTypes.RenderPixels, c)
self.assertAlmostEqual(size, 2.0, places=5)
c.minSizeMMEnabled = False
# maximum size less than the calculated size, so size should be limited to maxSizeMM
c.maxSizeMM = 0.1
c.maxSizeMMEnabled = True
size = QgsSymbolLayerUtils.convertToPainterUnits(
r, 2, QgsUnitTypes.RenderMapUnits, c)
self.assertAlmostEqual(size, 1.0, places=5)
# only conversion from mapunits should be affected
size = QgsSymbolLayerUtils.convertToPainterUnits(
r, 2, QgsUnitTypes.RenderMillimeters, c)
self.assertAlmostEqual(size, 23.622047, places=5)
size = QgsSymbolLayerUtils.convertToPainterUnits(
r, 2, QgsUnitTypes.RenderPoints, c)
self.assertAlmostEqual(size, 66.9601332, places=5)
size = QgsSymbolLayerUtils.convertToPainterUnits(
r, 2, QgsUnitTypes.RenderPixels, c)
self.assertAlmostEqual(size, 2.0, places=5)
def testIntersectionRuleBased(self):
"""
Test that rule based renderer using intersection clip paths correctly uses original feature area for rule
evaluation, not clipped area
"""
poly_layer = QgsVectorLayer(os.path.join(TEST_DATA_DIR, 'polys.shp'))
self.assertTrue(poly_layer.isValid())
sym1 = QgsFillSymbol.createSimple({
'color': '#ff00ff',
'outline_color': '#000000',
'outline_width': '1'
})
sym2 = QgsFillSymbol.createSimple({
'color': '#00ffff',
'outline_color': '#000000',
'outline_width': '1'
})
r1 = QgsRuleBasedRenderer.Rule(sym1, 0, 0, 'area($geometry)>25')
r2 = QgsRuleBasedRenderer.Rule(sym2, 0, 0, 'ELSE')
rootrule = QgsRuleBasedRenderer.Rule(None)
rootrule.appendChild(r1)
rootrule.appendChild(r2)
renderer = QgsRuleBasedRenderer(rootrule)
poly_layer.setRenderer(renderer)
mapsettings = QgsMapSettings()
mapsettings.setOutputSize(QSize(400, 400))
mapsettings.setOutputDpi(96)
mapsettings.setDestinationCrs(
QgsCoordinateReferenceSystem('EPSG:3857'))
mapsettings.setExtent(
QgsRectangle(-13875783.2, 2266009.4, -8690110.7, 6673344.5))
mapsettings.setLayers([poly_layer])
mapsettings.setEllipsoid('')
region = QgsMapClippingRegion(
QgsGeometry.fromWkt(
'Polygon ((-11725957 5368254, -12222900 4807501, -12246014 3834025, -12014878 3496059, -11259833 3518307, -10751333 3621153, -10574129 4516741, -10847640 5194995, -11105742 5325957, -11725957 5368254))'
))
region.setFeatureClip(
QgsMapClippingRegion.FeatureClippingType.ClipToIntersection)
region2 = QgsMapClippingRegion(
QgsGeometry.fromWkt(
'Polygon ((-11032549 5421399, -11533344 4693167, -11086481 4229112, -11167378 3742984, -10616504 3553984, -10161936 3925771, -9618766 4668482, -9472380 5620753, -10115709 5965063, -11032549 5421399))'
))
region2.setFeatureClip(
QgsMapClippingRegion.FeatureClippingType.ClipToIntersection)
mapsettings.addClippingRegion(region)
mapsettings.addClippingRegion(region2)
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(mapsettings)
renderchecker.setControlPathPrefix('vectorlayerrenderer')
renderchecker.setControlName('expected_intersection_rule_based')
result = renderchecker.runTest('expected_intersection_rule_based')
self.report += renderchecker.report()
self.assertTrue(result)
# also try with symbol levels
renderer.setUsingSymbolLevels(True)
poly_layer.setRenderer(renderer)
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(mapsettings)
renderchecker.setControlPathPrefix('vectorlayerrenderer')
renderchecker.setControlName('expected_intersection_rule_based')
result = renderchecker.runTest('expected_intersection_rule_based')
self.report += renderchecker.report()
self.assertTrue(result)
def testConvertSingleUnit(self):
ms = QgsMapSettings()
ms.setExtent(QgsRectangle(0, 0, 100, 100))
ms.setOutputSize(QSize(100, 50))
ms.setOutputDpi(300)
r = QgsRenderContext.fromMapSettings(ms)
# renderer scale should be about 1:291937841
# start with no min/max scale
c = QgsMapUnitScale()
# self.assertEqual(r.scaleFactor(),666)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderMapUnits, c)
self.assertAlmostEqual(sf, 0.5, places=5)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderMillimeters, c)
self.assertAlmostEqual(sf, 11.8110236, places=5)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderPoints, c)
self.assertAlmostEqual(sf, 4.166666665625, places=5)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderInches, c)
self.assertAlmostEqual(sf, 300.0, places=5)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderPixels, c)
self.assertAlmostEqual(sf, 1.0, places=5)
# minimum scale greater than the renderer scale, so should be limited to minScale
c.minScale = 150000000.0
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderMapUnits, c)
self.assertAlmostEqual(sf, 3.89250455, places=5)
# only conversion from mapunits should be affected
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderMillimeters, c)
self.assertAlmostEqual(sf, 11.8110236, places=5)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderPoints, c)
self.assertAlmostEqual(sf, 4.166666665625, places=5)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderInches, c)
self.assertAlmostEqual(sf, 300.0, places=5)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderPixels, c)
self.assertAlmostEqual(sf, 1.0, places=5)
c.minScale = 0
# maximum scale less than the renderer scale, so should be limited to maxScale
c.maxScale = 350000000.0
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderMapUnits, c)
self.assertAlmostEqual(sf, 0.5, places=5)
# only conversion from mapunits should be affected
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderMillimeters, c)
self.assertAlmostEqual(sf, 11.8110236, places=5)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderPoints, c)
self.assertAlmostEqual(sf, 4.166666665625, places=5)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderInches, c)
self.assertAlmostEqual(sf, 300.0, places=5)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderPixels, c)
self.assertAlmostEqual(sf, 1.0, places=5)
# with symbologyReferenceScale set
c = QgsMapUnitScale()
r.setSymbologyReferenceScale(1000)
r.setRendererScale(1000)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderMapUnits, c)
self.assertAlmostEqual(sf, 0.5, places=5)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderMillimeters, c)
self.assertAlmostEqual(sf, 11.8110236, places=5)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderPoints, c)
self.assertAlmostEqual(sf, 4.166666665625, places=5)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderInches, c)
self.assertAlmostEqual(sf, 300.0, places=5)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderPixels, c)
self.assertAlmostEqual(sf, 1.0, places=5)
r.setRendererScale(2000)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderMapUnits, c)
self.assertAlmostEqual(sf, 0.5 / 2, places=5)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderMillimeters, c)
self.assertAlmostEqual(sf, 11.8110236 / 2, places=5)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderPoints, c)
self.assertAlmostEqual(sf, 4.166666665625 / 2, places=5)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderInches, c)
self.assertAlmostEqual(sf, 300.0 / 2, places=5)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderPixels, c)
self.assertAlmostEqual(sf, 1.0 / 2, places=5)
r.setRendererScale(500)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderMapUnits, c)
self.assertAlmostEqual(sf, 0.5 * 2, places=5)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderMillimeters, c)
self.assertAlmostEqual(sf, 11.8110236 * 2, places=5)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderPoints, c)
self.assertAlmostEqual(sf, 4.166666665625 * 2, places=5)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderInches, c)
self.assertAlmostEqual(sf, 300.0 * 2, places=5)
sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderPixels, c)
self.assertAlmostEqual(sf, 1.0 * 2, places=5)
def test_render_via_job_with_transform(self):
"""
Test rendering an annotation layer via a map render job
"""
layer = QgsAnnotationLayer(
'test',
QgsAnnotationLayer.LayerOptions(
QgsProject.instance().transformContext()))
self.assertTrue(layer.isValid())
item = QgsAnnotationPolygonItem(
QgsPolygon(
QgsLineString([
QgsPoint(11.5, 13),
QgsPoint(12, 13),
QgsPoint(12, 13.5),
QgsPoint(11.5, 13)
])))
item.setSymbol(
QgsFillSymbol.createSimple({
'color': '200,100,100',
'outline_color': 'black',
'outline_width': '2'
}))
item.setZIndex(1)
i1_id = layer.addItem(item)
item = QgsAnnotationLineItem(
QgsLineString(
[QgsPoint(11, 13),
QgsPoint(12, 13),
QgsPoint(12, 15)]))
item.setSymbol(
QgsLineSymbol.createSimple({
'color': '#ffff00',
'line_width': '3'
}))
item.setZIndex(2)
i2_id = layer.addItem(item)
item = QgsAnnotationMarkerItem(QgsPoint(12, 13))
item.setSymbol(
QgsMarkerSymbol.createSimple({
'color': '100,200,200',
'size': '6',
'outline_color': 'black'
}))
item.setZIndex(3)
i3_id = layer.addItem(item)
layer.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
settings = QgsMapSettings()
settings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:3857'))
settings.setExtent(QgsRectangle(1250958, 1386945, 1420709, 1532518))
settings.setOutputSize(QSize(200, 200))
settings.setLayers([layer])
job = QgsMapRendererSequentialJob(settings)
job.start()
job.waitForFinished()
# check rendered item results
item_results = job.takeRenderedItemResults()
item_details = item_results.renderedItems()
self.assertEqual(len(item_details), 3)
self.assertEqual([i.layerId() for i in item_details], [layer.id()] * 3)
self.assertCountEqual([i.itemId() for i in item_details],
[i1_id, i2_id, i3_id])
# bounds should be in map crs
self.assertEqual(
[
QgsGeometry.fromRect(i.boundingBox()).asWkt(0)
for i in item_details if i.itemId() == i1_id
][0],
'Polygon ((1280174 1459732, 1335834 1459732, 1335834 1516914, 1280174 1516914, 1280174 1459732))'
)
self.assertEqual(
[
QgsGeometry.fromRect(i.boundingBox()).asWkt(0)
for i in item_details if i.itemId() == i2_id
][0],
'Polygon ((1224514 1459732, 1335834 1459732, 1335834 1689200, 1224514 1689200, 1224514 1459732))'
)
expected = 'Polygon ((1325786 1449684, 1345882 1449684, 1345882 1469780, 1325786 1469780, 1325786 1449684))'
result = [
QgsGeometry.fromRect(i.boundingBox()).asWkt(0)
for i in item_details if i.itemId() == i3_id
][0]
self.assertTrue(
compareWkt(result, expected, tol=1000),
"mismatch Expected:\n{}\nGot:\n{}\n".format(expected, result))
def test_render_via_job(self):
"""
Test rendering an annotation layer via a map render job
"""
layer = QgsAnnotationLayer(
'test',
QgsAnnotationLayer.LayerOptions(
QgsProject.instance().transformContext()))
self.assertTrue(layer.isValid())
item = QgsAnnotationPolygonItem(
QgsPolygon(
QgsLineString([
QgsPoint(11.5, 13),
QgsPoint(12, 13),
QgsPoint(12, 13.5),
QgsPoint(11.5, 13)
])))
item.setSymbol(
QgsFillSymbol.createSimple({
'color': '200,100,100',
'outline_color': 'black',
'outline_width': '2'
}))
item.setZIndex(1)
i1_id = layer.addItem(item)
item = QgsAnnotationLineItem(
QgsLineString(
[QgsPoint(11, 13),
QgsPoint(12, 13),
QgsPoint(12, 15)]))
item.setSymbol(
QgsLineSymbol.createSimple({
'color': '#ffff00',
'line_width': '3'
}))
item.setZIndex(2)
i2_id = layer.addItem(item)
item = QgsAnnotationMarkerItem(QgsPoint(12, 13))
item.setSymbol(
QgsMarkerSymbol.createSimple({
'color': '100,200,200',
'size': '6',
'outline_color': 'black'
}))
item.setZIndex(3)
i3_id = layer.addItem(item)
layer.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
settings = QgsMapSettings()
settings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
settings.setExtent(QgsRectangle(10, 10, 18, 18))
settings.setOutputSize(QSize(200, 200))
settings.setLayers([layer])
job = QgsMapRendererParallelJob(settings)
job.start()
job.waitForFinished()
# check rendered item results
item_results = job.takeRenderedItemResults()
item_details = item_results.renderedItems()
self.assertEqual(len(item_details), 3)
self.assertEqual([i.layerId() for i in item_details], [layer.id()] * 3)
self.assertCountEqual([i.itemId() for i in item_details],
[i1_id, i2_id, i3_id])
self.assertCountEqual([
i.itemId() for i in item_results.renderedAnnotationItemsInBounds(
QgsRectangle(0, 0, 1, 1))
], [])
self.assertCountEqual([
i.itemId() for i in item_results.renderedAnnotationItemsInBounds(
QgsRectangle(10, 10, 11, 18))
], [i2_id])
self.assertCountEqual([
i.itemId() for i in item_results.renderedAnnotationItemsInBounds(
QgsRectangle(10, 10, 12, 18))
], [i1_id, i2_id, i3_id])
# bounds should be in map crs
self.assertEqual(
[i.boundingBox() for i in item_details if i.itemId() == i1_id][0],
QgsRectangle(11.5, 13, 12, 13.5))
self.assertEqual(
[i.boundingBox() for i in item_details if i.itemId() == i2_id][0],
QgsRectangle(11, 13, 12, 15))
self.assertEqual([
i.boundingBox().toString(1) for i in item_details
if i.itemId() == i3_id
][0], '11.5,12.5 : 12.5,13.5')
def test_signalConnection(self):
# remove all layers
QgsProject.instance().removeAllMapLayers()
# set dependencies and add back layers
self.pointsLayer = QgsVectorLayer(
"dbname='%s' table=\"node\" (geom) sql=" % self.fn, "points",
"spatialite")
assert (self.pointsLayer.isValid())
self.linesLayer = QgsVectorLayer(
"dbname='%s' table=\"section\" (geom) sql=" % self.fn, "lines",
"spatialite")
assert (self.linesLayer.isValid())
self.pointsLayer2 = QgsVectorLayer(
"dbname='%s' table=\"node2\" (geom) sql=" % self.fn, "_points2",
"spatialite")
assert (self.pointsLayer2.isValid())
self.pointsLayer.setDependencies(
[QgsMapLayerDependency(self.linesLayer.id())])
self.pointsLayer2.setDependencies(
[QgsMapLayerDependency(self.pointsLayer.id())])
# this should update connections between layers
QgsProject.instance().addMapLayers([self.pointsLayer])
QgsProject.instance().addMapLayers([self.linesLayer])
QgsProject.instance().addMapLayers([self.pointsLayer2])
ms = QgsMapSettings()
ms.setOutputSize(QSize(100, 100))
ms.setExtent(QgsRectangle(0, 0, 1, 1))
self.assertTrue(ms.hasValidSettings())
u = QgsSnappingUtils()
u.setMapSettings(ms)
cfg = u.config()
cfg.setEnabled(True)
cfg.setMode(QgsSnappingConfig.AdvancedConfiguration)
cfg.setIndividualLayerSettings(
self.pointsLayer,
QgsSnappingConfig.IndividualLayerSettings(True,
QgsSnappingConfig.Vertex,
20, QgsTolerance.Pixels))
cfg.setIndividualLayerSettings(
self.pointsLayer2,
QgsSnappingConfig.IndividualLayerSettings(True,
QgsSnappingConfig.Vertex,
20, QgsTolerance.Pixels))
u.setConfig(cfg)
# add another line
f = QgsFeature(self.linesLayer.fields())
f.setId(4)
geom = QgsGeometry.fromWkt("LINESTRING(0.5 0.2,0.6 0)")
f.setGeometry(geom)
self.linesLayer.startEditing()
self.linesLayer.addFeatures([f])
self.linesLayer.commitChanges()
# check the second snapped point is OK
m = u.snapToMap(QPoint(75, 100 - 0))
self.assertTrue(m.isValid())
self.assertTrue(m.hasVertex())
self.assertEqual(m.point(), QgsPointXY(0.8, 0.0))
self.pointsLayer.setDependencies([])
self.pointsLayer2.setDependencies([])
def testRenderMultipleRenderersSelection(self):
"""
Test that selection colors only apply to main renderer
:return:
"""
poly_layer = QgsVectorLayer(os.path.join(TEST_DATA_DIR, 'polys.shp'))
self.assertTrue(poly_layer.isValid())
poly_layer.selectAll()
sym1 = QgsFillSymbol.createSimple({
'color': '#ffaaff',
'outline_color': '#000000',
'outline_style': 'no'
})
renderer = QgsSingleSymbolRenderer(sym1)
poly_layer.setRenderer(renderer)
# add secondary renderer, for rendering below
class Gen1(QgsFeatureRendererGenerator):
def id(self):
return 'Gen1'
def level(self):
return -2
def createRenderer(self):
renderer = QgsCategorizedSymbolRenderer()
renderer.setClassAttribute('Name')
sym1 = QgsFillSymbol.createSimple({
'color': '#ffaaff',
'outline_color': '#33aa33',
'outline_width': '3'
})
sym2 = QgsFillSymbol.createSimple({
'color': '#ffaaff',
'outline_color': '#aa33aa',
'outline_width': '3'
})
renderer.addCategory(QgsRendererCategory('Dam', sym1, 'Dam'))
renderer.addCategory(QgsRendererCategory('Lake', sym2, 'Lake'))
return renderer
poly_layer.addFeatureRendererGenerator(Gen1())
mapsettings = QgsMapSettings()
mapsettings.setOutputSize(QSize(400, 400))
mapsettings.setOutputDpi(96)
mapsettings.setDestinationCrs(
QgsCoordinateReferenceSystem('EPSG:3857'))
mapsettings.setExtent(
QgsRectangle(-13875783.2, 2266009.4, -8690110.7, 6673344.5))
mapsettings.setLayers([poly_layer])
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(mapsettings)
renderchecker.setControlPathPrefix('vectorlayerrenderer')
renderchecker.setControlName('expected_multiple_renderers_selection')
result = renderchecker.runTest('expected_multiple_renderers_selection')
self.report += renderchecker.report()
self.assertTrue(result)
# also try with symbol levels
renderer.setUsingSymbolLevels(True)
poly_layer.setRenderer(renderer)
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(mapsettings)
renderchecker.setControlPathPrefix('vectorlayerrenderer')
renderchecker.setControlName('expected_multiple_renderers_selection')
result = renderchecker.runTest('expected_multiple_renderers_selection')
self.report += renderchecker.report()
self.assertTrue(result)
def generate(self, writer, parameters, context, feedback):
self.feedback = feedback
feedback.setProgress(1)
extent = self.parameterAsExtent(parameters, self.EXTENT, context)
self.min_zoom = self.parameterAsInt(parameters, self.ZOOM_MIN, context)
self.max_zoom = self.parameterAsInt(parameters, self.ZOOM_MAX, context)
dpi = self.parameterAsInt(parameters, self.DPI, context)
self.color = self.parameterAsColor(parameters, self.BACKGROUND_COLOR, context)
self.tile_format = self.formats[self.parameterAsEnum(parameters, self.TILE_FORMAT, context)]
self.quality = self.parameterAsInt(parameters, self.QUALITY, context)
self.metatilesize = self.parameterAsInt(parameters, self.METATILESIZE, context)
self.maxThreads = int(ProcessingConfig.getSetting(ProcessingConfig.MAX_THREADS))
try:
self.tile_width = self.parameterAsInt(parameters, self.TILE_WIDTH, context)
self.tile_height = self.parameterAsInt(parameters, self.TILE_HEIGHT, context)
except AttributeError:
self.tile_width = 256
self.tile_height = 256
wgs_crs = QgsCoordinateReferenceSystem('EPSG:4326')
dest_crs = QgsCoordinateReferenceSystem('EPSG:3857')
project = context.project()
self.src_to_wgs = QgsCoordinateTransform(project.crs(), wgs_crs, context.transformContext())
self.wgs_to_dest = QgsCoordinateTransform(wgs_crs, dest_crs, context.transformContext())
# without re-writing, we need a different settings for each thread to stop async errors
# naming doesn't always line up, but the last number does
self.settingsDictionary = {str(i): QgsMapSettings() for i in range(self.maxThreads)}
for thread in self.settingsDictionary:
self.settingsDictionary[thread].setOutputImageFormat(QImage.Format_ARGB32_Premultiplied)
self.settingsDictionary[thread].setDestinationCrs(dest_crs)
self.settingsDictionary[thread].setLayers(self.layers)
self.settingsDictionary[thread].setOutputDpi(dpi)
if self.tile_format == 'PNG':
self.settingsDictionary[thread].setBackgroundColor(self.color)
## disable partial labels (they would be cut at the edge of tiles)
labeling_engine_settings = self.settingsDictionary[thread].labelingEngineSettings()
labeling_engine_settings.setFlag(QgsLabelingEngineSettings.UsePartialCandidates, False)
self.settingsDictionary[thread].setLabelingEngineSettings(labeling_engine_settings)
# Transfer context scopes to MapSettings
self.settingsDictionary[thread].setExpressionContext(context.expressionContext())
self.wgs_extent = self.src_to_wgs.transformBoundingBox(extent)
self.wgs_extent = [self.wgs_extent.xMinimum(), self.wgs_extent.yMinimum(), self.wgs_extent.xMaximum(),
self.wgs_extent.yMaximum()]
metatiles_by_zoom = {}
self.totalMetatiles = 0
allMetatiles = []
for zoom in range(self.min_zoom, self.max_zoom + 1):
metatiles = get_metatiles(self.wgs_extent, zoom, self.metatilesize)
metatiles_by_zoom[zoom] = metatiles
allMetatiles += metatiles
self.totalMetatiles += len(metatiles)
lab_buffer_px = 100
self.progress = 0
tile_params = {
'format': self.tile_format,
'quality': self.quality,
'width': self.tile_width,
'height': self.tile_height,
'min_zoom': self.min_zoom,
'max_zoom': self.max_zoom,
'extent': self.wgs_extent,
}
writer.set_parameters(tile_params)
self.writer = writer
self.progressThreadLock = threading.Lock()
if self.maxThreads > 1:
feedback.pushConsoleInfo(self.tr('Using {max_threads} CPU Threads:').format(max_threads=self.maxThreads))
for zoom in range(self.min_zoom, self.max_zoom + 1):
feedback.pushConsoleInfo(self.tr('Generating tiles for zoom level: {zoom}').format(zoom=zoom))
with ThreadPoolExecutor(max_workers=self.maxThreads) as threadPool:
threadPool.map(self.renderSingleMetatile, metatiles_by_zoom[zoom])
else:
feedback.pushConsoleInfo(self.tr('Using 1 CPU Thread:'))
for zoom in range(self.min_zoom, self.max_zoom + 1):
feedback.pushConsoleInfo(self.tr('Generating tiles for zoom level: {zoom}').format(zoom=zoom))
for i, metatile in enumerate(metatiles_by_zoom[zoom]):
self.renderSingleMetatile(metatile)
writer.close()
def generate(self, writer, parameters, context, feedback):
feedback.setProgress(1)
extent = self.parameterAsExtent(parameters, self.EXTENT, context)
self.min_zoom = self.parameterAsInt(parameters, self.ZOOM_MIN, context)
self.max_zoom = self.parameterAsInt(parameters, self.ZOOM_MAX, context)
dpi = self.parameterAsInt(parameters, self.DPI, context)
self.tile_format = self.formats[self.parameterAsEnum(
parameters, self.TILE_FORMAT, context)]
quality = self.parameterAsInt(parameters, self.QUALITY, context)
try:
tile_width = self.parameterAsInt(parameters, self.TILE_WIDTH,
context)
tile_height = self.parameterAsInt(parameters, self.TILE_HEIGHT,
context)
except AttributeError:
tile_width = 256
tile_height = 256
wgs_crs = QgsCoordinateReferenceSystem('EPSG:4326')
dest_crs = QgsCoordinateReferenceSystem('EPSG:3857')
project = context.project()
src_to_wgs = QgsCoordinateTransform(project.crs(), wgs_crs,
context.transformContext())
wgs_to_dest = QgsCoordinateTransform(wgs_crs, dest_crs,
context.transformContext())
settings = QgsMapSettings()
settings.setOutputImageFormat(QImage.Format_ARGB32_Premultiplied)
settings.setDestinationCrs(dest_crs)
settings.setLayers(self.layers)
settings.setOutputDpi(dpi)
if self.tile_format == 'PNG':
settings.setBackgroundColor(QColor(Qt.transparent))
# disable partial labels (they would be cut at the edge of tiles)
labeling_engine_settings = settings.labelingEngineSettings()
labeling_engine_settings.setFlag(
QgsLabelingEngineSettings.UsePartialCandidates, False)
settings.setLabelingEngineSettings(labeling_engine_settings)
self.wgs_extent = src_to_wgs.transformBoundingBox(extent)
self.wgs_extent = [
self.wgs_extent.xMinimum(),
self.wgs_extent.yMinimum(),
self.wgs_extent.xMaximum(),
self.wgs_extent.yMaximum()
]
metatiles_by_zoom = {}
metatiles_count = 0
for zoom in range(self.min_zoom, self.max_zoom + 1):
metatiles = get_metatiles(self.wgs_extent, zoom, 4)
metatiles_by_zoom[zoom] = metatiles
metatiles_count += len(metatiles)
lab_buffer_px = 100
progress = 0
tile_params = {
'format': self.tile_format,
'quality': quality,
'width': tile_width,
'height': tile_height,
'min_zoom': self.min_zoom,
'max_zoom': self.max_zoom,
'extent': self.wgs_extent,
}
writer.set_parameters(tile_params)
for zoom in range(self.min_zoom, self.max_zoom + 1):
feedback.pushConsoleInfo('Generating tiles for zoom level: %s' %
zoom)
for i, metatile in enumerate(metatiles_by_zoom[zoom]):
if feedback.isCanceled():
break
size = QSize(tile_width * metatile.rows(),
tile_height * metatile.columns())
extent = QgsRectangle(*metatile.extent())
settings.setExtent(wgs_to_dest.transformBoundingBox(extent))
settings.setOutputSize(size)
image = QImage(size, QImage.Format_ARGB32_Premultiplied)
image.fill(Qt.transparent)
dpm = settings.outputDpi() / 25.4 * 1000
image.setDotsPerMeterX(dpm)
image.setDotsPerMeterY(dpm)
painter = QPainter(image)
job = QgsMapRendererCustomPainterJob(settings, painter)
job.renderSynchronously()
painter.end()
# For analysing metatiles (labels, etc.)
# metatile_dir = os.path.join(output_dir, str(zoom))
# os.makedirs(metatile_dir, exist_ok=True)
# image.save(os.path.join(metatile_dir, 'metatile_%s.png' % i))
for r, c, tile in metatile.tiles:
tile_img = image.copy(tile_width * r, tile_height * c,
tile_width, tile_height)
writer.write_tile(tile, tile_img)
progress += 1
feedback.setProgress(100 * (progress / metatiles_count))
writer.close()
def setUp(self):
"""Run before each test."""
self.iface = get_iface()
self.mapSettings = QgsMapSettings()
self.mComposition = QgsComposition(QgsProject.instance())
self.mComposition.setPaperSize(297, 210) # A4 landscape
def __init__(self, map_theme, layer, extent, tile_size, mupp, output,
map_settings):
"""
:param map_theme:
:param extent:
:param layer:
:param tile_size:
:param mupp:
:param output:
:param map_settings: Map canvas map settings used for some fallback
values and CRS
"""
self.extent = extent
self.mupp = mupp
self.tile_size = tile_size
driver = self.getDriverForFile(output)
if not driver:
raise QgsProcessingException(
u'Could not load GDAL driver for file {}'.format(output))
crs = map_settings.destinationCrs()
self.x_tile_count = math.ceil(extent.width() / mupp / tile_size)
self.y_tile_count = math.ceil(extent.height() / mupp / tile_size)
xsize = self.x_tile_count * tile_size
ysize = self.y_tile_count * tile_size
self.dataset = driver.Create(output, xsize, ysize, 3) # 3 bands
self.dataset.SetProjection(str(crs.toWkt()))
self.dataset.SetGeoTransform(
[extent.xMinimum(), mupp, 0, extent.yMaximum(), 0, -mupp])
self.image = QImage(QSize(tile_size, tile_size), QImage.Format_ARGB32)
self.settings = QgsMapSettings()
self.settings.setOutputDpi(self.image.logicalDpiX())
self.settings.setOutputImageFormat(QImage.Format_ARGB32)
self.settings.setDestinationCrs(crs)
self.settings.setOutputSize(self.image.size())
self.settings.setFlag(QgsMapSettings.Antialiasing, True)
self.settings.setFlag(QgsMapSettings.RenderMapTile, True)
if QgsProject.instance().mapThemeCollection().hasMapTheme(map_theme):
self.settings.setLayers(
QgsProject.instance().mapThemeCollection(
).mapThemeVisibleLayers(
map_theme))
self.settings.setLayerStyleOverrides(
QgsProject.instance().mapThemeCollection(
).mapThemeStyleOverrides(
map_theme))
elif layer:
self.settings.setLayers([layer])
else:
self.settings.setLayers(map_settings.layers())
def testInitialSizeSymbolMapUnits(self):
"""Test initial size of legend with a symbol size in map units"""
QgsProject.instance().removeAllMapLayers()
point_path = os.path.join(TEST_DATA_DIR, 'points.shp')
point_layer = QgsVectorLayer(point_path, 'points', 'ogr')
QgsProject.instance().clear()
QgsProject.instance().addMapLayers([point_layer])
marker_symbol = QgsMarkerSymbol.createSimple({
'color': '#ff0000',
'outline_style': 'no',
'size': '5',
'size_unit': 'MapUnit'
})
point_layer.setRenderer(QgsSingleSymbolRenderer(marker_symbol))
s = QgsMapSettings()
s.setLayers([point_layer])
layout = QgsLayout(QgsProject.instance())
layout.initializeDefaults()
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(20, 20, 80, 80))
map.setFrameEnabled(True)
map.setLayers([point_layer])
layout.addLayoutItem(map)
map.setExtent(point_layer.extent())
legend = QgsLayoutItemLegend(layout)
legend.setTitle("Legend")
legend.attemptSetSceneRect(QRectF(120, 20, 80, 80))
legend.setFrameEnabled(True)
legend.setFrameStrokeWidth(QgsLayoutMeasurement(2))
legend.setBackgroundColor(QColor(200, 200, 200))
legend.setTitle('')
layout.addLayoutItem(legend)
legend.setLinkedMap(map)
checker = QgsLayoutChecker('composer_legend_mapunits', layout)
checker.setControlPathPrefix("composer_legend")
result, message = checker.testLayout()
TestQgsLayoutItemLegend.report += checker.report()
self.assertTrue(result, message)
# resize with non-top-left reference point
legend.setResizeToContents(False)
legend.setReferencePoint(QgsLayoutItem.LowerRight)
legend.attemptMove(QgsLayoutPoint(120, 90))
legend.attemptResize(QgsLayoutSize(50, 60))
self.assertEqual(legend.positionWithUnits().x(), 120.0)
self.assertEqual(legend.positionWithUnits().y(), 90.0)
self.assertAlmostEqual(legend.pos().x(), 70, -1)
self.assertAlmostEqual(legend.pos().y(), 30, -1)
legend.setResizeToContents(True)
legend.updateLegend()
self.assertEqual(legend.positionWithUnits().x(), 120.0)
self.assertEqual(legend.positionWithUnits().y(), 90.0)
self.assertAlmostEqual(legend.pos().x(), 91, -1)
self.assertAlmostEqual(legend.pos().y(), 71, -1)
QgsProject.instance().removeMapLayers([point_layer.id()])
def __init__(
self,
iface,
template_metadata,
impact_function=None,
hazard=None,
exposure=None,
impact=None,
analysis=None,
exposure_summary_table=None,
aggregation_summary=None,
extra_layers=None,
ordered_layers=None,
legend_layers=None,
minimum_needs_profile=None,
multi_exposure_impact_function=None,
use_template_extent=False):
"""Constructor for the Composition Report class.
:param iface: Reference to the QGIS iface object.
:type iface: QgsAppInterface
:param template_metadata: InaSAFE template metadata.
:type template_metadata: ReportMetadata
:param impact_function: Impact function instance for the report
:type impact_function:
safe.impact_function.impact_function.ImpactFunction
.. versionadded:: 4.0
"""
LOGGER.debug('InaSAFE Impact Report class initialised')
self._iface = iface
self._metadata = template_metadata
self._output_folder = None
self._impact_function = impact_function or (
multi_exposure_impact_function)
self._hazard = hazard or self._impact_function.hazard
self._analysis = (analysis or self._impact_function.analysis_impacted)
if impact_function:
self._exposure = (
exposure or self._impact_function.exposure)
self._impact = (
impact or self._impact_function.impact)
self._exposure_summary_table = (
exposure_summary_table
or self._impact_function.exposure_summary_table)
self._aggregation_summary = (
aggregation_summary
or self._impact_function.aggregation_summary)
if extra_layers is None:
extra_layers = []
self._extra_layers = extra_layers
self._ordered_layers = ordered_layers
self._legend_layers = legend_layers
self._minimum_needs = minimum_needs_profile
self._multi_exposure_impact_function = multi_exposure_impact_function
self._use_template_extent = use_template_extent
self._inasafe_context = InaSAFEReportContext()
# QgsMapSettings is added in 2.4
if self._iface:
map_settings = self._iface.mapCanvas().mapSettings()
else:
map_settings = QgsMapSettings()
self._qgis_composition_context = QgsLayoutContext(
None,
map_settings,
ImpactReport.DEFAULT_PAGE_DPI)
self._keyword_io = KeywordIO()
def testConvertToMapUnits(self):
ms = QgsMapSettings()
ms.setExtent(QgsRectangle(0, 0, 100, 100))
ms.setOutputSize(QSize(100, 50))
ms.setOutputDpi(300)
r = QgsRenderContext.fromMapSettings(ms)
# renderer scale should be about 1:291937841
# start with no min/max scale
c = QgsMapUnitScale()
size = r.convertToMapUnits(2, QgsUnitTypes.RenderMapUnits, c)
self.assertEqual(size, 2.0)
size = r.convertToMapUnits(2, QgsUnitTypes.RenderMillimeters, c)
self.assertAlmostEqual(size, 47.244094, places=5)
size = r.convertToMapUnits(5.66929, QgsUnitTypes.RenderPoints, c)
self.assertAlmostEqual(size, 47.2440833, places=5)
size = r.convertToMapUnits(5.66929, QgsUnitTypes.RenderInches, c)
self.assertAlmostEqual(size, 3401.574, places=5)
size = r.convertToMapUnits(2, QgsUnitTypes.RenderPixels, c)
self.assertAlmostEqual(size, 4.0, places=5)
# minimum size greater than the calculated size, so size should be limited to minSizeMM
c.minSizeMM = 5
c.minSizeMMEnabled = True
size = r.convertToMapUnits(2, QgsUnitTypes.RenderMapUnits, c)
self.assertAlmostEqual(size, 118.1102362, places=5)
# only conversion from mapunits should be affected
size = r.convertToMapUnits(2, QgsUnitTypes.RenderMillimeters, c)
self.assertAlmostEqual(size, 47.244094, places=5)
size = r.convertToMapUnits(5.66929, QgsUnitTypes.RenderPoints, c)
self.assertAlmostEqual(size, 47.2440833, places=5)
size = r.convertToMapUnits(5.66929, QgsUnitTypes.RenderInches, c)
self.assertAlmostEqual(size, 3401.574, places=5)
size = r.convertToMapUnits(2, QgsUnitTypes.RenderPixels, c)
self.assertAlmostEqual(size, 4.0, places=5)
c.minSizeMMEnabled = False
# maximum size less than the calculated size, so size should be limited to maxSizeMM
c.maxSizeMM = 0.05
c.maxSizeMMEnabled = True
size = r.convertToMapUnits(2, QgsUnitTypes.RenderMapUnits, c)
self.assertAlmostEqual(size, 1.1811023622047245, places=5)
# only conversion from mapunits should be affected
size = r.convertToMapUnits(2, QgsUnitTypes.RenderMillimeters, c)
self.assertAlmostEqual(size, 47.244094, places=5)
size = r.convertToMapUnits(5.66929, QgsUnitTypes.RenderPoints, c)
self.assertAlmostEqual(size, 47.2440833, places=5)
size = r.convertToMapUnits(5.66929, QgsUnitTypes.RenderInches, c)
self.assertAlmostEqual(size, 3401.574, places=5)
size = r.convertToMapUnits(2, QgsUnitTypes.RenderPixels, c)
self.assertAlmostEqual(size, 4.0, places=5)
c.maxSizeMMEnabled = False
# test with minimum scale set
c.minScale = 150000000.0
size = r.convertToMapUnits(2, QgsUnitTypes.RenderMapUnits, c)
self.assertAlmostEqual(size, 15.57001821, places=5)
# only conversion from mapunits should be affected
size = r.convertToMapUnits(2, QgsUnitTypes.RenderMillimeters, c)
self.assertAlmostEqual(size, 47.244094, places=5)
size = r.convertToMapUnits(5.66929, QgsUnitTypes.RenderPoints, c)
self.assertAlmostEqual(size, 47.2440833, places=5)
size = r.convertToMapUnits(5.66929, QgsUnitTypes.RenderInches, c)
self.assertAlmostEqual(size, 3401.574, places=5)
size = r.convertToMapUnits(2, QgsUnitTypes.RenderPixels, c)
self.assertAlmostEqual(size, 4.0, places=5)
c.minScale = 0
# test with maximum scale set
c.maxScale = 1550000000.0
size = r.convertToMapUnits(2, QgsUnitTypes.RenderMapUnits, c)
self.assertAlmostEqual(size, 1.50677595625, places=5)
# only conversion from mapunits should be affected
size = r.convertToMapUnits(2, QgsUnitTypes.RenderMillimeters, c)
self.assertAlmostEqual(size, 47.244094, places=5)
size = r.convertToMapUnits(5.66929, QgsUnitTypes.RenderPoints, c)
self.assertAlmostEqual(size, 47.2440833, places=5)
size = r.convertToMapUnits(5.66929, QgsUnitTypes.RenderInches, c)
self.assertAlmostEqual(size, 3401.574, places=5)
size = r.convertToMapUnits(2, QgsUnitTypes.RenderPixels, c)
self.assertAlmostEqual(size, 4.0, places=5)
c.maxScale = 0
def __init__(self, map_theme, layer, extent, tile_size, mupp, output,
make_trans, map_settings, project):
"""
:param map_theme:
:param extent:
:param layer:
:param tile_size:
:param mupp:
:param output:
:param map_settings: Map canvas map settings used for some fallback
values and CRS
"""
self.extent = extent
self.mupp = mupp
self.tile_size = tile_size
driver = self.getDriverForFile(output)
if not driver:
raise QgsProcessingException(
u'Could not load GDAL driver for file {}'.format(output))
crs = map_settings.destinationCrs()
self.x_tile_count = math.ceil(extent.width() / mupp / tile_size)
self.y_tile_count = math.ceil(extent.height() / mupp / tile_size)
xsize = self.x_tile_count * tile_size
ysize = self.y_tile_count * tile_size
if make_trans:
no_bands = 4
else:
no_bands = 3
self.dataset = driver.Create(output, xsize, ysize, no_bands)
self.dataset.SetProjection(str(crs.toWkt()))
self.dataset.SetGeoTransform(
[extent.xMinimum(), mupp, 0,
extent.yMaximum(), 0, -mupp])
self.image = QImage(QSize(tile_size, tile_size), QImage.Format_ARGB32)
self.settings = QgsMapSettings()
self.settings.setOutputDpi(self.image.logicalDpiX())
self.settings.setOutputImageFormat(QImage.Format_ARGB32)
self.settings.setDestinationCrs(crs)
self.settings.setOutputSize(self.image.size())
self.settings.setFlag(QgsMapSettings.Antialiasing, True)
self.settings.setFlag(QgsMapSettings.RenderMapTile, True)
self.settings.setFlag(QgsMapSettings.UseAdvancedEffects, True)
r = project.readNumEntry('Gui', '/CanvasColorRedPart', 255)[0]
g = project.readNumEntry('Gui', '/CanvasColorGreenPart', 255)[0]
b = project.readNumEntry('Gui', '/CanvasColorBluePart', 255)[0]
if make_trans:
self.bgColor = QColor(r, g, b, 0)
else:
self.bgColor = QColor(r, g, b)
self.settings.setBackgroundColor(self.bgColor)
if QgsProject.instance().mapThemeCollection().hasMapTheme(map_theme):
self.settings.setLayers(QgsProject.instance().mapThemeCollection().
mapThemeVisibleLayers(map_theme))
self.settings.setLayerStyleOverrides(QgsProject.instance(
).mapThemeCollection().mapThemeStyleOverrides(map_theme))
elif layer:
self.settings.setLayers([layer])
else:
self.settings.setLayers(map_settings.layers())
def testPaletted(self):
""" test paletted raster renderer with raster with color table"""
path = os.path.join(unitTestDataPath('raster'),
'with_color_table.tif')
info = QFileInfo(path)
base_name = info.baseName()
layer = QgsRasterLayer(path, base_name)
self.assertTrue(layer.isValid(), 'Raster not loaded: {}'.format(path))
renderer = QgsPalettedRasterRenderer(layer.dataProvider(), 1,
[QgsPalettedRasterRenderer.Class(1, QColor(0, 255, 0), 'class 2'),
QgsPalettedRasterRenderer.Class(3, QColor(255, 0, 0), 'class 1')])
self.assertEqual(renderer.nColors(), 2)
self.assertEqual(renderer.usesBands(), [1])
# test labels
self.assertEqual(renderer.label(1), 'class 2')
self.assertEqual(renderer.label(3), 'class 1')
self.assertFalse(renderer.label(101))
# test legend symbology - should be sorted by value
legend = renderer.legendSymbologyItems()
self.assertEqual(legend[0][0], 'class 2')
self.assertEqual(legend[1][0], 'class 1')
self.assertEqual(legend[0][1].name(), '#00ff00')
self.assertEqual(legend[1][1].name(), '#ff0000')
# test retrieving classes
classes = renderer.classes()
self.assertEqual(classes[0].value, 1)
self.assertEqual(classes[1].value, 3)
self.assertEqual(classes[0].label, 'class 2')
self.assertEqual(classes[1].label, 'class 1')
self.assertEqual(classes[0].color.name(), '#00ff00')
self.assertEqual(classes[1].color.name(), '#ff0000')
# test set label
# bad index
renderer.setLabel(1212, 'bad')
renderer.setLabel(3, 'new class')
self.assertEqual(renderer.label(3), 'new class')
# color ramp
r = QgsLimitedRandomColorRamp(5)
renderer.setSourceColorRamp(r)
self.assertEqual(renderer.sourceColorRamp().type(), 'random')
self.assertEqual(renderer.sourceColorRamp().count(), 5)
# clone
new_renderer = renderer.clone()
classes = new_renderer.classes()
self.assertEqual(classes[0].value, 1)
self.assertEqual(classes[1].value, 3)
self.assertEqual(classes[0].label, 'class 2')
self.assertEqual(classes[1].label, 'new class')
self.assertEqual(classes[0].color.name(), '#00ff00')
self.assertEqual(classes[1].color.name(), '#ff0000')
self.assertEqual(new_renderer.sourceColorRamp().type(), 'random')
self.assertEqual(new_renderer.sourceColorRamp().count(), 5)
# write to xml and read
doc = QDomDocument('testdoc')
elem = doc.createElement('qgis')
renderer.writeXml(doc, elem)
restored = QgsPalettedRasterRenderer.create(elem.firstChild().toElement(), layer.dataProvider())
self.assertTrue(restored)
self.assertEqual(restored.usesBands(), [1])
classes = restored.classes()
self.assertTrue(classes)
self.assertEqual(classes[0].value, 1)
self.assertEqual(classes[1].value, 3)
self.assertEqual(classes[0].label, 'class 2')
self.assertEqual(classes[1].label, 'new class')
self.assertEqual(classes[0].color.name(), '#00ff00')
self.assertEqual(classes[1].color.name(), '#ff0000')
self.assertEqual(restored.sourceColorRamp().type(), 'random')
self.assertEqual(restored.sourceColorRamp().count(), 5)
# render test
layer.setRenderer(renderer)
ms = QgsMapSettings()
ms.setLayers([layer])
ms.setExtent(layer.extent())
checker = QgsRenderChecker()
checker.setControlName("expected_paletted_renderer")
checker.setMapSettings(ms)
self.assertTrue(checker.runTest("expected_paletted_renderer"), "Paletted rendering test failed")
def make_coco_dataset(self):
layers = QgsProject.instance().mapLayers().values()
vectorlayers = [layer for layer in layers if layer.type() == VectorLayer]
rasterLayers = [layer for layer in layers if layer.type() == RasterLayer]
vectorlayer = vectorlayers[self.dlg.vectorlayerselector.currentIndex()]
rasterlayer = rasterLayers[self.dlg.rasterlayerselector.currentIndex()]
img_size = int(self.dlg.imagesizeselector.currentText())
scale_realworld = int(self.dlg.zoomlevel.currentText())
buffer_size = int(self.dlg.buffersize.text()) / 100
target_dir = self.dlg.dirselectline.text()
dataset_description = str(self.dlg.datasetdescription.text())
contributor = str(self.dlg.creatorname.text())
url = str(self.dlg.url.text())
version = str(self.dlg.datasetversion.text())
license = str(self.dlg.licenseselector.currentText())
# to implement
scale_to_fit = self.dlg.scaletofit.isChecked()
use_fieldcategory = bool(self.dlg.usecategoryfields.isChecked())
categoryfield = self.dlg.categoryfields.currentText()
QgsMessageLog.logMessage(str(scale_to_fit), "cocotrainer", level=Qgis.Info)
QgsMessageLog.logMessage(str(use_fieldcategory), "cocotrainer", level=Qgis.Info)
# prepare directories
os.makedirs(os.path.join(target_dir, "train"), exist_ok=True)
os.makedirs(os.path.join(target_dir, "val"), exist_ok=True)
QgsMessageLog.logMessage("====================================", "cocotrainer", level=Qgis.Info)
# TODO:
# - use field categories
features_iterator = vectorlayer.getFeatures(QgsFeatureRequest().setFilterExpression('$area > 1'))
features = [feature for feature in features_iterator]
QgsMessageLog.logMessage("vector layer: " + vectorlayer.name(), "cocotrainer", level=Qgis.Info)
QgsMessageLog.logMessage("Filtered polygons smaller than 1m2 from data", "cocotrainer", level=Qgis.Info)
QgsMessageLog.logMessage("features: " + str(len(list(features))), "cocotrainer", level=Qgis.Info)
options = QgsMapSettings()
options.setLayers([rasterlayer])
options.setOutputSize(QSize(int(img_size), int(img_size)))
QgsMessageLog.logMessage(str(scale_realworld), "cocotrainer", level=Qgis.Info)
QgsMessageLog.logMessage(str(img_size), "cocotrainer", level=Qgis.Info)
date = datetime.now()
cat_dict = {}
if use_fieldcategory:
categories = []
# uniqueprovider = rasterlayer.dataProvider()
fields = vectorlayer.fields()
id = fields.indexFromName(categoryfield)
uniquevalues = vectorlayer.uniqueValues(id)
for i, val in enumerate(uniquevalues):
categories.append({"supercategory": "object", "id": i, "name": str(val)})
cat_dict[str(val)] = i
else:
categories = [{"supercategory": "object", "id": 0, "name": "CATEGORYNAME"}]
cat_dict["CATEGORYNAME"] = 0
coco_annotation = {
"info": {
"description": dataset_description,
"url": url,
"version": version,
"year": int(date.strftime("%Y")),
"contributor": contributor,
"date_created": date.strftime("%d/%m/%y")
},
"licenses": [self.license_dict[license]],
"images": [],
"annotations": [],
"categories": categories,
# < -- Not in Captionsannotations
"segment_info": [] # < -- Only in Panoptic annotations
}
bboxes, polygons = {}, {}
for i, feature in enumerate(features):
polygons[i] = feature.geometry()
bboxes[i] = feature.geometry().boundingBox()
if use_fieldcategory:
cats = {}
for i, feature in enumerate(features):
cats[i] = str(feature[categoryfield])
image_id = 0
annotation_id = 0
for i, feature in enumerate(features):
self.dlg.progressBar.setValue((i / len(polygons) * 100))
QgsMessageLog.logMessage("something is happening", "cocotrainer", level=Qgis.Info)
geoms = feature.geometry()
bbox = geoms.boundingBox()
if scale_to_fit:
xmax = bbox.xMaximum()
ymax = bbox.yMaximum()
ymin = bbox.yMinimum()
xmin = bbox.xMinimum()
diffx = xmax - xmin
diffy = ymax - ymin
xmax = xmax + (buffer_size * diffx)
xmin = xmin - (buffer_size * diffx)
ymax = ymax + (buffer_size * diffy)
ymin = ymin - (buffer_size * diffy)
else:
midpoint = bbox.center()
QgsMessageLog.logMessage("trying to log centerpoint", "cocotrainer", level=Qgis.Info)
QgsMessageLog.logMessage(str(midpoint.x()), "cocotrainer", level=Qgis.Info)
QgsMessageLog.logMessage(str(midpoint.y()), "cocotrainer", level=Qgis.Info)
xmin = midpoint.x() - scale_realworld / 2
xmax = midpoint.x() + scale_realworld / 2
ymin = midpoint.y() - scale_realworld / 2
ymax = midpoint.y() + scale_realworld / 2
extent = QgsRectangle(xmin, ymin, xmax, ymax)
fileid = "{}_{}_{}".format(xmin, ymin, scale_realworld)
image = {
"license": 0,
"file_name": fileid + ".png",
"coco_url": None,
"height": img_size,
"width": img_size,
"date_captured": date.strftime("%d/%m/%y"),
"flickr_url": None,
"id": image_id
}
coco_annotation["images"].append(image)
for j, geo in bboxes.items():
if extent.contains(geo) or extent.intersects(geo):
points = polygons[j].asMultiPolygon()
xs = np.array([p.x() - xmin for p in points[0][0]])
ys = np.array([(ymax - ymin) - (p.y() - ymin) for p in points[0][0]])
xs *= (img_size / scale_realworld)
xs = np.round(xs)
xs = xs.astype(np.int32)
ys *= (img_size / scale_realworld)
ys = np.round(ys)
ys = ys.astype(np.int32)
ys[ys < 0] = 0
xs[xs < 0] = 0
polygon = [[int(p[0]), int(p[1])] for p in zip(xs, ys)]
flat_list = [item for sublist in polygon for item in sublist]
QgsMessageLog.logMessage(str(flat_list), "cocotrainer", level=Qgis.Info)
pixelposbbox = [int(np.min(xs)), (int(np.min(ys))), geo.width() * (img_size / scale_realworld),
geo.height() * (img_size / scale_realworld)]
pixelposbbox = [number if number > 0 else 0 for number in pixelposbbox]
QgsMessageLog.logMessage(str([geo.xMinimum(), geo.yMaximum(), geo.width(), geo.height()]),
"cocotrainer", level=Qgis.Info)
QgsMessageLog.logMessage(str(pixelposbbox), "cocotrainer", level=Qgis.Info)
annotation = {
"segmentation": [flat_list], # format is [x1,y1,x2,y2]
"area": polygons[j].area(),
"iscrowd": 0,
"image_id": image_id,
"bbox": pixelposbbox, # format is [top left x position, top left y position, width, height]
"category_id": cat_dict[cats[j]],
"id": annotation_id
}
annotation_id += 1
coco_annotation["annotations"].append(annotation)
options.setExtent(extent)
render = QgsMapRendererParallelJob(options)
def finished():
QgsMessageLog.logMessage("saving image to disk", "cocotrainer", level=Qgis.Info)
fname = os.path.join(target_dir, 'train', "{}.png".format(fileid))
img = render.renderedImage()
if not img.save(fname, "png"):
print("Error saving image")
render.finished.connect(finished)
render.start()
render.waitForFinished()
image_id += 1
QgsMessageLog.logMessage(str(coco_annotation), "cocotrainer", level=Qgis.Info)
with open(os.path.join(target_dir, "annotation.json"), "w") as outfile:
json.dump(coco_annotation, outfile)
self.dlg.progressBar.setValue(100)
self.dlg.finished_label.setText("parsed {} features".format(len(list(features))))
def setUp(self):
self.mapsettings = QgsMapSettings()
self.mapsettings.setOutputSize(QSize(400, 400))
self.mapsettings.setOutputDpi(96)
self.mapsettings.setExtent(QgsRectangle(-163, 22, -70, 52))
def testRenderWithTransform(self):
layer = QgsAnnotationLayer(
'test',
QgsAnnotationLayer.LayerOptions(
QgsProject.instance().transformContext()))
self.assertTrue(layer.isValid())
item = QgsAnnotationPolygonItem(
QgsPolygon(
QgsLineString([
QgsPoint(11.5, 13),
QgsPoint(12, 13),
QgsPoint(12, 13.5),
QgsPoint(11.5, 13)
])))
item.setSymbol(
QgsFillSymbol.createSimple({
'color': '200,100,100',
'outline_color': 'black',
'outline_width': '2'
}))
item.setZIndex(1)
i1_id = layer.addItem(item)
item = QgsAnnotationLineItem(
QgsLineString(
[QgsPoint(11, 13),
QgsPoint(12, 13),
QgsPoint(12, 15)]))
item.setSymbol(
QgsLineSymbol.createSimple({
'color': '#ffff00',
'line_width': '3'
}))
item.setZIndex(2)
i2_id = layer.addItem(item)
item = QgsAnnotationMarkerItem(QgsPoint(12, 13))
item.setSymbol(
QgsMarkerSymbol.createSimple({
'color': '100,200,200',
'size': '6',
'outline_color': 'black'
}))
item.setZIndex(3)
i3_id = layer.addItem(item)
layer.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
settings = QgsMapSettings()
settings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:3857'))
settings.setExtent(QgsRectangle(1250958, 1386945, 1420709, 1532518))
settings.setOutputSize(QSize(300, 300))
settings.setFlag(QgsMapSettings.Antialiasing, False)
rc = QgsRenderContext.fromMapSettings(settings)
rc.setCoordinateTransform(
QgsCoordinateTransform(layer.crs(), settings.destinationCrs(),
QgsProject.instance()))
rc.setExtent(rc.coordinateTransform().transformBoundingBox(
settings.extent(), QgsCoordinateTransform.ReverseTransform))
image = QImage(200, 200, QImage.Format_ARGB32)
image.setDotsPerMeterX(int(96 / 25.4 * 1000))
image.setDotsPerMeterY(int(96 / 25.4 * 1000))
image.fill(QColor(255, 255, 255))
painter = QPainter(image)
rc.setPainter(painter)
try:
renderer = layer.createMapRenderer(rc)
renderer.render()
finally:
painter.end()
self.assertTrue(
self.imageCheck('layer_render_transform', 'layer_render_transform',
image))
# also check details of rendered items
item_details = renderer.takeRenderedItemDetails()
self.assertEqual([i.layerId() for i in item_details], [layer.id()] * 3)
self.assertCountEqual([i.itemId() for i in item_details],
[i1_id, i2_id, i3_id])
self.assertEqual(
[i.boundingBox() for i in item_details if i.itemId() == i1_id][0],
QgsRectangle(11.5, 13, 12, 13.5))
self.assertEqual(
[i.boundingBox() for i in item_details if i.itemId() == i2_id][0],
QgsRectangle(11, 13, 12, 15))
self.assertEqual([
i.boundingBox().toString(2) for i in item_details
if i.itemId() == i3_id
][0], '11.94,12.94 : 12.06,13.06')
