def testConvertToPainterUnits(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.convertToPainterUnits(2, QgsUnitTypes.RenderMapUnits, c)
self.assertAlmostEqual(size, 1.0, places=5)
size = r.convertToPainterUnits(2, QgsUnitTypes.RenderMillimeters, c)
self.assertAlmostEqual(size, 23.622047, places=5)
size = r.convertToPainterUnits(2, QgsUnitTypes.RenderPoints, c)
self.assertAlmostEqual(size, 8.33333333125, places=5)
size = r.convertToPainterUnits(2, QgsUnitTypes.RenderInches, c)
self.assertAlmostEqual(size, 600.0, places=5)
size = r.convertToPainterUnits(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 = r.convertToPainterUnits(2, QgsUnitTypes.RenderMapUnits, c)
self.assertAlmostEqual(size, 59.0551181, places=5)
# only conversion from mapunits should be affected
size = r.convertToPainterUnits(2, QgsUnitTypes.RenderMillimeters, c)
self.assertAlmostEqual(size, 23.622047, places=5)
size = r.convertToPainterUnits(2, QgsUnitTypes.RenderPoints, c)
self.assertAlmostEqual(size, 8.33333333125, places=5)
size = r.convertToPainterUnits(2, QgsUnitTypes.RenderInches, c)
self.assertAlmostEqual(size, 600.0, places=5)
size = r.convertToPainterUnits(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 = r.convertToPainterUnits(2, QgsUnitTypes.RenderMapUnits, c)
self.assertAlmostEqual(size, 1.0, places=5)
# only conversion from mapunits should be affected
size = r.convertToPainterUnits(2, QgsUnitTypes.RenderMillimeters, c)
self.assertAlmostEqual(size, 23.622047, places=5)
size = r.convertToPainterUnits(2, QgsUnitTypes.RenderPoints, c)
self.assertAlmostEqual(size, 8.33333333125, places=5)
size = r.convertToPainterUnits(2, QgsUnitTypes.RenderInches, c)
self.assertAlmostEqual(size, 600.0, places=5)
size = r.convertToPainterUnits(2, QgsUnitTypes.RenderPixels, c)
self.assertAlmostEqual(size, 2.0, places=5)
def testEquality(self):
# test equality operator
c1 = QgsMapUnitScale(0.0001, 0.005)
c1.minSizeMMEnabled = True
c1.minSizeMM = 3
c1.maxSizeMMEnabled = True
c1.maxSizeMM = 8
c2 = QgsMapUnitScale(0.0001, 0.005)
c2.minSizeMMEnabled = True
c2.minSizeMM = 3
c2.maxSizeMMEnabled = True
c2.maxSizeMM = 8
self.assertEqual(c1, c2)
c2.minScale = 0.0004
self.assertNotEqual(c1, c2)
c2.minScale = 0.0001
c2.maxScale = 0.007
self.assertNotEqual(c1, c2)
c2.maxScale = 0.005
c2.minSizeMMEnabled = False
self.assertNotEqual(c1, c2)
c2.minSizeMMEnabled = True
c2.maxSizeMMEnabled = False
self.assertNotEqual(c1, c2)
c2.maxSizeMMEnabled = True
c2.minSizeMM = 1
self.assertNotEqual(c1, c2)
c2.minSizeMM = 3
c2.maxSizeMM = 100
self.assertNotEqual(c1, c2)
c2.maxSizeMM = 8
self.assertEqual(c1, c2)
def testEquality(self):
# test equality operator
c1 = QgsMapUnitScale(10000, 200)
c1.minSizeMMEnabled = True
c1.minSizeMM = 3
c1.maxSizeMMEnabled = True
c1.maxSizeMM = 8
c2 = QgsMapUnitScale(10000, 200)
c2.minSizeMMEnabled = True
c2.minSizeMM = 3
c2.maxSizeMMEnabled = True
c2.maxSizeMM = 8
self.assertEqual(c1, c2)
c2.minScale = 2500.0
self.assertNotEqual(c1, c2)
c2.minScale = 10000
c2.maxScale = 142.857
self.assertNotEqual(c1, c2)
c2.maxScale = 200
c2.minSizeMMEnabled = False
self.assertNotEqual(c1, c2)
c2.minSizeMMEnabled = True
c2.maxSizeMMEnabled = False
self.assertNotEqual(c1, c2)
c2.maxSizeMMEnabled = True
c2.minSizeMM = 1
self.assertNotEqual(c1, c2)
c2.minSizeMM = 3
c2.maxSizeMM = 100
self.assertNotEqual(c1, c2)
c2.maxSizeMM = 8
self.assertEqual(c1, c2)
def testEquality(self):
# test equality operator
c1 = QgsMapUnitScale(10000, 200)
c1.minSizeMMEnabled = True
c1.minSizeMM = 3
c1.maxSizeMMEnabled = True
c1.maxSizeMM = 8
c2 = QgsMapUnitScale(10000, 200)
c2.minSizeMMEnabled = True
c2.minSizeMM = 3
c2.maxSizeMMEnabled = True
c2.maxSizeMM = 8
self.assertEqual(c1, c2)
c2.minScale = 2500.0
self.assertNotEqual(c1, c2)
c2.minScale = 10000
c2.maxScale = 142.857
self.assertNotEqual(c1, c2)
c2.maxScale = 200
c2.minSizeMMEnabled = False
self.assertNotEqual(c1, c2)
c2.minSizeMMEnabled = True
c2.maxSizeMMEnabled = False
self.assertNotEqual(c1, c2)
c2.maxSizeMMEnabled = True
c2.minSizeMM = 1
self.assertNotEqual(c1, c2)
c2.minSizeMM = 3
c2.maxSizeMM = 100
self.assertNotEqual(c1, c2)
c2.maxSizeMM = 8
self.assertEqual(c1, c2)
def testEquality(self):
# test equality operator
c1 = QgsMapUnitScale(0.0001, 0.005)
c1.minSizeMMEnabled = True
c1.minSizeMM = 3
c1.maxSizeMMEnabled = True
c1.maxSizeMM = 8
c2 = QgsMapUnitScale(0.0001, 0.005)
c2.minSizeMMEnabled = True
c2.minSizeMM = 3
c2.maxSizeMMEnabled = True
c2.maxSizeMM = 8
self.assertEqual(c1, c2)
c2.minScale = 0.0004
self.assertNotEqual(c1, c2)
c2.minScale = 0.0001
c2.maxScale = 0.007
self.assertNotEqual(c1, c2)
c2.maxScale = 0.005
c2.minSizeMMEnabled = False
self.assertNotEqual(c1, c2)
c2.minSizeMMEnabled = True
c2.maxSizeMMEnabled = False
self.assertNotEqual(c1, c2)
c2.maxSizeMMEnabled = True
c2.minSizeMM = 1
self.assertNotEqual(c1, c2)
c2.minSizeMM = 3
c2.maxSizeMM = 100
self.assertNotEqual(c1, c2)
c2.maxSizeMM = 8
self.assertEqual(c1, c2)
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.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.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.RenderPixels, c)
self.assertAlmostEqual(size, 2.0, places=5)
def testConvertToPainterUnitsNoMapToPixel(self):
"""
Test converting map unit based sizes to painter units when render context has NO map to pixel set
"""
r = QgsRenderContext()
r.setScaleFactor(300 / 25.4) # 300 dpi, to match above test
# start with no min/max scale
c = QgsMapUnitScale()
# since we have no map scale to work with, this makes the gross assumption that map units == points. It's magic, but
# what else can we do?
size = r.convertToPainterUnits(10, QgsUnitTypes.RenderMapUnits, c)
self.assertAlmostEqual(size, 41.66666, places=3)
size = r.convertToPainterUnits(10, QgsUnitTypes.RenderMetersInMapUnits,
c)
self.assertAlmostEqual(size, 41.66666, places=3)
# sizes should be clamped to reasonable range -- we don't want to treat 2000m map unit sizes as 10 million pixels!
size = r.convertToPainterUnits(2000, QgsUnitTypes.RenderMapUnits, c)
self.assertEqual(size, 100.0)
size = r.convertToPainterUnits(2000,
QgsUnitTypes.RenderMetersInMapUnits, c)
self.assertEqual(size, 100.0)
size = r.convertToPainterUnits(0.0002, QgsUnitTypes.RenderMapUnits, c)
self.assertEqual(size, 10.0)
size = r.convertToPainterUnits(0.0002,
QgsUnitTypes.RenderMetersInMapUnits, c)
self.assertEqual(size, 10.0)
# normal units, should not be affected
size = r.convertToPainterUnits(2, QgsUnitTypes.RenderMillimeters, c)
self.assertAlmostEqual(size, 23.622047, places=5)
size = r.convertToPainterUnits(2, QgsUnitTypes.RenderPoints, c)
self.assertAlmostEqual(size, 8.33333333125, places=5)
size = r.convertToPainterUnits(2, QgsUnitTypes.RenderInches, c)
self.assertAlmostEqual(size, 600.0, places=5)
size = r.convertToPainterUnits(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 = r.convertToPainterUnits(2, QgsUnitTypes.RenderMapUnits, c)
self.assertAlmostEqual(size, 59.0551181, places=5)
# maximum size less than the calculated size, so size should be limited to maxSizeMM
c.maxSizeMM = 6
c.maxSizeMMEnabled = True
size = r.convertToPainterUnits(26, QgsUnitTypes.RenderMapUnits, c)
self.assertAlmostEqual(size, 70.866, places=2)
def _set_symbol_size(self, symbol):
if self.iface.mapCanvas().mapUnits() == QGis.Degrees:
point_size = 0.05
elif self.iface.mapCanvas().mapUnits() == QGis.Meters:
point_size = 4000
else:
# it is not obvious how to choose the point size in the other
# cases, so we conservatively keep the default sizing
return
symbol.symbolLayer(0).setSizeUnit(symbol.MapUnit)
symbol.symbolLayer(0).setSize(point_size)
map_unit_scale = QgsMapUnitScale()
map_unit_scale.maxSizeMMEnabled = True
map_unit_scale.minSizeMMEnabled = True
map_unit_scale.minSizeMM = 0.5
map_unit_scale.maxSizeMM = 10
symbol.symbolLayer(0).setSizeMapUnitScale(map_unit_scale)
def testConvertToPainterUnits(self):
# test QgsSymbolLayerV2Utils::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 = QgsSymbolLayerV2Utils.convertToPainterUnits(r, 2, QgsSymbolV2.MapUnit, c)
self.assertAlmostEqual(size, 1.0, places=5)
size = QgsSymbolLayerV2Utils.convertToPainterUnits(r, 2, QgsSymbolV2.MM, c)
self.assertAlmostEqual(size, 23.622047, places=5)
size = QgsSymbolLayerV2Utils.convertToPainterUnits(r, 2, QgsSymbolV2.Pixel, 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 = QgsSymbolLayerV2Utils.convertToPainterUnits(r, 2, QgsSymbolV2.MapUnit, c)
self.assertAlmostEqual(size, 59.0551181, places=5)
# only conversion from mapunits should be affected
size = QgsSymbolLayerV2Utils.convertToPainterUnits(r, 2, QgsSymbolV2.MM, c)
self.assertAlmostEqual(size, 23.622047, places=5)
size = QgsSymbolLayerV2Utils.convertToPainterUnits(r, 2, QgsSymbolV2.Pixel, 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 = QgsSymbolLayerV2Utils.convertToPainterUnits(r, 2, QgsSymbolV2.MapUnit, c)
self.assertAlmostEqual(size, 1.0, places=5)
# only conversion from mapunits should be affected
size = QgsSymbolLayerV2Utils.convertToPainterUnits(r, 2, QgsSymbolV2.MM, c)
self.assertAlmostEqual(size, 23.622047, places=5)
size = QgsSymbolLayerV2Utils.convertToPainterUnits(r, 2, QgsSymbolV2.Pixel, c)
self.assertAlmostEqual(size, 2.0, places=5)
def testEncodeDecode(self):
# test encoding and decoding QgsMapUnitScale
s = QgsMapUnitScale()
s.minScale = 100
s.maxScale = 50
s.minSizeMMEnabled = True
s.minSizeMM = 3
s.maxSizeMMEnabled = False
s.maxSizeMM = 99
encode = QgsSymbolLayerUtils.encodeMapUnitScale(s)
r = QgsSymbolLayerUtils.decodeMapUnitScale(encode)
self.assertEqual(s, r)
# check old style encoding
encode = '9,78.3'
r = QgsSymbolLayerUtils.decodeMapUnitScale(encode)
self.assertAlmostEqual(r.minScale, 1.0 / 9, 3)
self.assertAlmostEqual(r.maxScale, 1.0 / 78.3, 3)
self.assertFalse(r.minSizeMMEnabled)
self.assertEqual(r.minSizeMM, 0)
self.assertFalse(r.maxSizeMMEnabled)
self.assertEqual(r.maxSizeMM, 0)
def testEncodeDecode(self):
# test encoding and decoding QgsMapUnitScale
s = QgsMapUnitScale()
s.minScale = 50
s.maxScale = 100
s.minSizeMMEnabled = True
s.minSizeMM = 3
s.maxSizeMMEnabled = False
s.maxSizeMM = 99
encode = QgsSymbolLayerV2Utils.encodeMapUnitScale(s)
r = QgsSymbolLayerV2Utils.decodeMapUnitScale(encode)
self.assertEqual(s, r)
# check old style encoding
encode = '9,78.3'
r = QgsSymbolLayerV2Utils.decodeMapUnitScale(encode)
self.assertEqual(r.minScale, 9)
self.assertEqual(r.maxScale, 78.3)
self.assertFalse(r.minSizeMMEnabled)
self.assertEqual(r.minSizeMM, 0)
self.assertFalse(r.maxSizeMMEnabled)
self.assertEqual(r.maxSizeMM, 0)
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 = 1 / 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 = 1 / 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 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 testConvertToMapUnits(self):
# test QgsSymbolLayerV2Utils::convertToMapUnits() 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 = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsSymbolV2.MapUnit, c)
self.assertEqual(size, 2.0)
size = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsSymbolV2.MM, c)
self.assertAlmostEqual(size, 47.244094, places=5)
size = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsSymbolV2.Pixel, 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 = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsSymbolV2.MapUnit, c)
self.assertAlmostEqual(size, 118.1102362, places=5)
# only conversion from mapunits should be affected
size = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsSymbolV2.MM, c)
self.assertAlmostEqual(size, 47.244094, places=5)
size = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsSymbolV2.Pixel, 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 = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsSymbolV2.MapUnit, c)
self.assertAlmostEqual(size, 1.1811023622047245, places=5)
# only conversion from mapunits should be affected
size = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsSymbolV2.MM, c)
self.assertAlmostEqual(size, 47.244094, places=5)
size = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsSymbolV2.Pixel, c)
self.assertAlmostEqual(size, 4.0, places=5)
c.maxSizeMMEnabled = False
# test with minimum scale set
c.minScale = 1 / 150000000.0
size = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsSymbolV2.MapUnit, c)
self.assertAlmostEqual(size, 15.57001821, places=5)
# only conversion from mapunits should be affected
size = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsSymbolV2.MM, c)
self.assertAlmostEqual(size, 47.244094, places=5)
size = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsSymbolV2.Pixel, c)
self.assertAlmostEqual(size, 4.0, places=5)
c.minScale = 0
# test with maximum scale set
c.maxScale = 1 / 1550000000.0
size = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsSymbolV2.MapUnit, c)
self.assertAlmostEqual(size, 1.50677595625, places=5)
# only conversion from mapunits should be affected
size = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsSymbolV2.MM, c)
self.assertAlmostEqual(size, 47.244094, places=5)
size = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsSymbolV2.Pixel, c)
self.assertAlmostEqual(size, 4.0, places=5)
c.maxScale = 0
