本文整理汇总了Python中qgis.core.QgsSymbolLayerV2Utils类的典型用法代码示例。如果您正苦于以下问题:Python QgsSymbolLayerV2Utils类的具体用法?Python QgsSymbolLayerV2Utils怎么用?Python QgsSymbolLayerV2Utils使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了QgsSymbolLayerV2Utils类的18个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Python代码示例。
示例1: _getSymbolWidth
def _getSymbolWidth(self, context, width, unit):
scale = 1.0
if unit == QgsSymbolV2.MapUnit:
scale = QgsSymbolLayerV2Utils.lineWidthScaleFactor(
context, QgsSymbolV2.MM) / QgsSymbolLayerV2Utils.lineWidthScaleFactor(context, QgsSymbolV2.MapUnit)
width = max(width + 2 * self._buffer * scale, self._minWidth * scale)
return width
开发者ID:lparchaeology,项目名称:ArkPlan,代码行数:7,代码来源:feature_highlight_item.py
示例2: testMapUnitScaleFactor
def testMapUnitScaleFactor(self):
# test QgsSymbolLayerV2Utils::mapUnitScaleFactor() 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
c = QgsMapUnitScale()
sf = QgsSymbolLayerV2Utils.mapUnitScaleFactor(r, QgsSymbolV2.MapUnit, c)
self.assertAlmostEqual(sf, 1.0, places=5)
sf = QgsSymbolLayerV2Utils.mapUnitScaleFactor(r, QgsSymbolV2.MM, c)
self.assertAlmostEqual(sf, 23.622047, places=5)
sf = QgsSymbolLayerV2Utils.mapUnitScaleFactor(r, QgsSymbolV2.Pixel, c)
self.assertAlmostEqual(sf, 2.0, places=5)
开发者ID:Antoviscomi,项目名称:QGIS,代码行数:18,代码来源:test_qgsmapunitscale.py
示例3: set_alpha
def set_alpha(values, feature, parent):
"""
Sets the alpha component of a color
<p><h4>Syntax</h4>
set_alpha(<i>color</i>, <i>alpha</i>)</p>
<p><h4>Arguments</h4>
<i> color</i> → a color<br>
<i> alpha</i> → an alpha value between 0 and 255<br></p>
<p><h4>Example</h4>
<!-- Show example of function.-->
set_alpha('255,255,255,255', 125) → '255,255,255,125'</p>
"""
try:
color = QgsSymbolLayerV2Utils.decodeColor(values[0])
color.setAlpha(values[1])
return QgsSymbolLayerV2Utils.encodeColor(color)
except:
return None
开发者ID:nyalldawson,项目名称:qgsexpressionsplus,代码行数:21,代码来源:functions.py
示例4: set_hsv_value
def set_hsv_value(values, feature, parent):
"""
Sets the value of a color
<p><h4>Syntax</h4>
set_hsv_value(<i>color</i>, <i>value</i>)</p>
<p><h4>Arguments</h4>
<i> color</i> → a color<br>
<i> value</i> → a integer between 0 and 100<br></p>
<p><h4>Example</h4>
<!-- Show example of function.-->
set_hsv_value('0,255,0,255', 50) → '0,128,0,255'</p>
"""
try:
color = QgsSymbolLayerV2Utils.decodeColor(values[0])
color.setHsvF(color.hueF(), color.saturationF(), values[1] / 100.0, color.alphaF())
return QgsSymbolLayerV2Utils.encodeColor(color)
except:
return None
开发者ID:nyalldawson,项目名称:qgsexpressionsplus,代码行数:21,代码来源:functions.py
示例5: set_hue
def set_hue(values, feature, parent):
"""
Sets the hue component of a color
<p><h4>Syntax</h4>
set_hue(<i>color</i>, <i>hue</i>)</p>
<p><h4>Arguments</h4>
<i> color</i> → a color<br>
<i> hue</i> → a integer between 0 and 360<br></p>
<p><h4>Example</h4>
<!-- Show example of function.-->
set_hue('0,255,0,255', 0) → '255,0,0,255'</p>
"""
try:
color = QgsSymbolLayerV2Utils.decodeColor(values[0])
color.setHslF(values[1] / 360.0, color.saturationF(), color.lightnessF(), color.alphaF())
return QgsSymbolLayerV2Utils.encodeColor(color)
except:
return None
开发者ID:nyalldawson,项目名称:qgsexpressionsplus,代码行数:21,代码来源:functions.py
示例6: toDomElement
def toDomElement(self, domDocument):
"""
Returns a QDomElement with the object instance settings
"""
spColumnElement = domDocument.createElement("SpatialField")
spColumnElement.setAttribute("name",self._spatialField)
spColumnElement.setAttribute("labelField",self._labelField)
spColumnElement.setAttribute("itemid",self._itemId)
spColumnElement.setAttribute("srid",self._srid)
spColumnElement.setAttribute("geomType",self._geomType)
spColumnElement.setAttribute("zoom",self._zoom_level)
symbolElement = domDocument.createElement("Symbol")
#Append symbol properties element
if not self._symbol is None:
prop = self._symbol.properties()
QgsSymbolLayerV2Utils.saveProperties(prop,domDocument,symbolElement)
symbolElement.setAttribute("layerType",self._layerType)
spColumnElement.appendChild(symbolElement)
return spColumnElement
开发者ID:Guillon88,项目名称:stdm,代码行数:22,代码来源:composer_spcolumn_styler.py
示例7: testConvertToPainterUnits
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)
开发者ID:Antoviscomi,项目名称:QGIS,代码行数:43,代码来源:test_qgsmapunitscale.py
示例8: testPixelSizeScaleFactor
def testPixelSizeScaleFactor(self):
# test QgsSymbolLayerV2Utils::pixelSizeScaleFactor() 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()
sf = QgsSymbolLayerV2Utils.pixelSizeScaleFactor(r, QgsSymbolV2.MapUnit, c)
self.assertAlmostEqual(sf, 0.5, places=5)
sf = QgsSymbolLayerV2Utils.pixelSizeScaleFactor(r, QgsSymbolV2.MM, c)
self.assertAlmostEqual(sf, 11.8110236, places=5)
sf = QgsSymbolLayerV2Utils.pixelSizeScaleFactor(r, QgsSymbolV2.Pixel, c)
self.assertAlmostEqual(sf, 1.0, places=5)
# minimum scale greater than the renderer scale, so should be limited to minScale
c.minScale = 1 / 150000000.0
sf = QgsSymbolLayerV2Utils.pixelSizeScaleFactor(r, QgsSymbolV2.MapUnit, c)
self.assertAlmostEqual(sf, 3.8925045, places=5)
# only conversion from mapunits should be affected
sf = QgsSymbolLayerV2Utils.pixelSizeScaleFactor(r, QgsSymbolV2.MM, c)
self.assertAlmostEqual(sf, 11.811023, places=5)
sf = QgsSymbolLayerV2Utils.pixelSizeScaleFactor(r, QgsSymbolV2.Pixel, 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 = 1 / 350000000.0
sf = QgsSymbolLayerV2Utils.pixelSizeScaleFactor(r, QgsSymbolV2.MapUnit, c)
self.assertAlmostEqual(sf, 0.5, places=5)
# only conversion from mapunits should be affected
sf = QgsSymbolLayerV2Utils.pixelSizeScaleFactor(r, QgsSymbolV2.MM, c)
self.assertAlmostEqual(sf, 11.8110236, places=5)
sf = QgsSymbolLayerV2Utils.pixelSizeScaleFactor(r, QgsSymbolV2.Pixel, c)
self.assertAlmostEqual(sf, 1.0, places=5)
开发者ID:Antoviscomi,项目名称:QGIS,代码行数:41,代码来源:test_qgsmapunitscale.py
示例9: testEncodeDecode
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)
开发者ID:Antoviscomi,项目名称:QGIS,代码行数:24,代码来源:test_qgsmapunitscale.py
示例10: create
def create(dom_document):
"""
Create an instance of the 'SpatialFieldsConfiguration' object from a DOM document.
Returns None if the dom_document is invalid.
"""
from stdm.ui.composer import SpatialFieldMapping
dataSourceElem = dom_document.documentElement().firstChildElement("DataSource")
if dataSourceElem == None:
return None
spatialFieldsConfigElement = dataSourceElem.firstChildElement("SpatialFields")
spFieldsConfig = SpatialFieldsConfiguration()
#Get spatial field mappings
spatialFieldMappingList = spatialFieldsConfigElement.elementsByTagName("SpatialField")
numItems = spatialFieldMappingList.length()
for i in range(numItems):
spatialFieldMappingElement = spatialFieldMappingList.item(i).toElement()
labelField = spatialFieldMappingElement.attribute("labelField")
spatialField = spatialFieldMappingElement.attribute("name")
itemId = spatialFieldMappingElement.attribute("itemid")
srid = int(spatialFieldMappingElement.attribute("srid"))
geomType = spatialFieldMappingElement.attribute("geomType")
zoom = float(spatialFieldMappingElement.attribute("zoom"))
zoom_type = spatialFieldMappingElement.attribute('zoomType', 'RELATIVE')
#Create spatial field mapping
spFieldMapping = SpatialFieldMapping(spatialField,labelField)
spFieldMapping.setItemId(itemId)
spFieldMapping.setSRID(srid)
spFieldMapping.setGeometryType(geomType)
spFieldMapping.setZoomLevel(zoom)
spFieldMapping.zoom_type = zoom_type
symbolElement = spatialFieldMappingElement.firstChildElement("Symbol")
if not symbolElement is None:
layerType = symbolElement.attribute("layerType")
layerProps = QgsSymbolLayerV2Utils.parseProperties(symbolElement)
symbolLayer = QgsSymbolLayerV2Registry.instance().createSymbolLayer(layerType,layerProps)
spFieldMapping.setSymbolLayer(symbolLayer)
spFieldsConfig.addSpatialFieldMapping(spFieldMapping)
return spFieldsConfig
开发者ID:gltn,项目名称:stdm,代码行数:47,代码来源:spatial_fields_config.py
示例11: blue
def blue(values, feature, parent):
"""
Returns the blue component of a color
<p><h4>Syntax</h4>
blue(<i>color</i>)</p>
<p><h4>Arguments</h4>
<i> color</i> → a color<br></p>
<p><h4>Example</h4>
<!-- Show example of function.-->
blue('0,0,255') → 255</p>
"""
try:
return QgsSymbolLayerV2Utils.decodeColor(values[0]).blue()
except:
return None
开发者ID:nyalldawson,项目名称:qgsexpressionsplus,代码行数:18,代码来源:functions.py
示例12: alpha
def alpha(values, feature, parent):
"""
Returns the alpha component of a color
<p><h4>Syntax</h4>
alpha(<i>color</i>)</p>
<p><h4>Arguments</h4>
<i> color</i> → a color<br></p>
<p><h4>Example</h4>
<!-- Show example of function.-->
alpha('255,255,255,125') → 125</p>
"""
try:
return QgsSymbolLayerV2Utils.decodeColor(values[0]).alpha()
except:
return None
开发者ID:nyalldawson,项目名称:qgsexpressionsplus,代码行数:18,代码来源:functions.py
示例13: hsv_value
def hsv_value(values, feature, parent):
"""
Returns the hsv value component of a color, an integer between 0-100
<p><h4>Syntax</h4>
hsv_value(<i>color</i>)</p>
<p><h4>Arguments</h4>
<i> color</i> → a color<br></p>
<p><h4>Example</h4>
<!-- Show example of function.-->
hsv_value('125,255,125') → 100</p>
"""
try:
# Value ranges from 0 - 100
return int(QgsSymbolLayerV2Utils.decodeColor(values[0]).valueF() * 100)
except:
return None
开发者ID:nyalldawson,项目名称:qgsexpressionsplus,代码行数:19,代码来源:functions.py
示例14: lightness
def lightness(values, feature, parent):
"""
Returns the lightness of a color, an integer between 0-100
<p><h4>Syntax</h4>
lightness(<i>color</i>)</p>
<p><h4>Arguments</h4>
<i> color</i> → a color<br></p>
<p><h4>Example</h4>
<!-- Show example of function.-->
lightness('125,255,125') → 74</p>
"""
try:
# Lightness ranges from 0 - 100
return int(QgsSymbolLayerV2Utils.decodeColor(values[0]).lightnessF() * 100)
except:
return None
开发者ID:nyalldawson,项目名称:qgsexpressionsplus,代码行数:19,代码来源:functions.py
示例15: saturation
def saturation(values, feature, parent):
"""
Returns the saturation of a color, an integer between 0-100
<p><h4>Syntax</h4>
saturation(<i>color</i>)</p>
<p><h4>Arguments</h4>
<i> color</i> → a color<br></p>
<p><h4>Example</h4>
<!-- Show example of function.-->
saturation('125,255,125') → 50</p>
"""
try:
# Saturation ranges from 0 - 100
return int(QgsSymbolLayerV2Utils.decodeColor(values[0]).saturationF() * 100)
except:
return None
开发者ID:nyalldawson,项目名称:qgsexpressionsplus,代码行数:19,代码来源:functions.py
示例16: testQgsGraduatedSymbolRendererV2_1
def testQgsGraduatedSymbolRendererV2_1(self):
"""Test QgsGraduatedSymbolRendererV2: Basic get/set functions """
# Create a renderer
renderer=QgsGraduatedSymbolRendererV2()
symbol=createMarkerSymbol()
renderer.setSourceSymbol(symbol.clone())
self.assertEqual(symbol.dump(),renderer.sourceSymbol().dump(),"Get/set renderer source symbol")
attr='"value"*"value"'
renderer.setClassAttribute(attr)
self.assertEqual(attr,renderer.classAttribute(),"Get/set renderer class attribute")
for m in (
QgsGraduatedSymbolRendererV2.Custom,
QgsGraduatedSymbolRendererV2.EqualInterval,
QgsGraduatedSymbolRendererV2.Quantile,
QgsGraduatedSymbolRendererV2.Jenks,
QgsGraduatedSymbolRendererV2.Pretty,
QgsGraduatedSymbolRendererV2.StdDev,
):
renderer.setMode(m)
self.assertEqual(m,renderer.mode(),"Get/set renderer mode")
format=createLabelFormat()
renderer.setLabelFormat(format)
self.assertEqual(
dumpLabelFormat(format),
dumpLabelFormat(renderer.labelFormat()),
"Get/set renderer label format")
ramp=createColorRamp()
renderer.setSourceColorRamp(ramp)
self.assertEqual(
dumpColorRamp(ramp),
dumpColorRamp(renderer.sourceColorRamp()),
"Get/set renderer color ramp")
renderer.setInvertedColorRamp(True)
self.assertTrue(renderer.invertedColorRamp(),
"Get/set renderer inverted color ramp")
renderer.setInvertedColorRamp(False)
self.assertFalse(renderer.invertedColorRamp(),
"Get/set renderer inverted color ramp")
value='"value"*2'
exp=QgsSymbolLayerV2Utils.fieldOrExpressionToExpression(value)
valuestr=QgsSymbolLayerV2Utils.fieldOrExpressionFromExpression(exp)
renderer.setRotationField(value)
self.assertEqual(valuestr,renderer.rotationField(),
"Get/set renderer rotation field")
value='"value"*3'
exp=QgsSymbolLayerV2Utils.fieldOrExpressionToExpression(value)
valuestr=QgsSymbolLayerV2Utils.fieldOrExpressionFromExpression(exp)
renderer.setSizeScaleField(value)
self.assertEqual(valuestr,renderer.sizeScaleField(),
"Get/set renderer size scale field")
renderer.setSourceColorRamp(ramp)
self.assertEqual(
dumpColorRamp(ramp),
dumpColorRamp(renderer.sourceColorRamp()),
"Get/set renderer color ramp")
for sm in (
QgsSymbolV2.ScaleArea,
QgsSymbolV2.ScaleDiameter,
):
renderer.setScaleMethod(sm)
self.assertEqual(str(sm),str(renderer.scaleMethod()),
"Get/set renderer scale method")
开发者ID:Ariki,项目名称:QGIS,代码行数:74,代码来源:test_qgsgraduatedsymbolrendererv2.py
示例17: testQgsGraduatedSymbolRendererV2_1
def testQgsGraduatedSymbolRendererV2_1(self):
"""Test QgsGraduatedSymbolRendererV2: Basic get/set functions """
# Create a renderer
renderer = QgsGraduatedSymbolRendererV2()
symbol = createMarkerSymbol()
renderer.setSourceSymbol(symbol.clone())
self.assertEqual(symbol.dump(), renderer.sourceSymbol().dump(), "Get/set renderer source symbol")
attr = '"value"*"value"'
renderer.setClassAttribute(attr)
self.assertEqual(attr, renderer.classAttribute(), "Get/set renderer class attribute")
for m in (
QgsGraduatedSymbolRendererV2.Custom,
QgsGraduatedSymbolRendererV2.EqualInterval,
QgsGraduatedSymbolRendererV2.Quantile,
QgsGraduatedSymbolRendererV2.Jenks,
QgsGraduatedSymbolRendererV2.Pretty,
QgsGraduatedSymbolRendererV2.StdDev,
):
renderer.setMode(m)
self.assertEqual(m, renderer.mode(), "Get/set renderer mode")
format = createLabelFormat()
renderer.setLabelFormat(format)
self.assertEqual(
dumpLabelFormat(format),
dumpLabelFormat(renderer.labelFormat()),
"Get/set renderer label format")
ramp = createColorRamp()
renderer.setSourceColorRamp(ramp)
self.assertEqual(
dumpColorRamp(ramp),
dumpColorRamp(renderer.sourceColorRamp()),
"Get/set renderer color ramp")
renderer.setInvertedColorRamp(True)
self.assertTrue(renderer.invertedColorRamp(),
"Get/set renderer inverted color ramp")
renderer.setInvertedColorRamp(False)
self.assertFalse(renderer.invertedColorRamp(),
"Get/set renderer inverted color ramp")
value = '"value"*2'
exp = QgsSymbolLayerV2Utils.fieldOrExpressionToExpression(value)
valuestr = QgsSymbolLayerV2Utils.fieldOrExpressionFromExpression(exp)
renderer.setRotationField(value)
self.assertEqual(valuestr, renderer.rotationField(),
"Get/set renderer rotation field")
value = '"value"*3'
exp = QgsSymbolLayerV2Utils.fieldOrExpressionToExpression(value)
valuestr = QgsSymbolLayerV2Utils.fieldOrExpressionFromExpression(exp)
renderer.setSizeScaleField(value)
self.assertEqual(valuestr, renderer.sizeScaleField(),
"Get/set renderer size scale field")
renderer.setSourceColorRamp(ramp)
self.assertEqual(
dumpColorRamp(ramp),
dumpColorRamp(renderer.sourceColorRamp()),
"Get/set renderer color ramp")
for sm in (
QgsSymbolV2.ScaleArea,
QgsSymbolV2.ScaleDiameter,
):
renderer.setScaleMethod(sm)
self.assertEqual(str(sm), str(renderer.scaleMethod()),
"Get/set renderer scale method")
# test for classificatio with varying size
renderer.setGraduatedMethod(QgsGraduatedSymbolRendererV2.GraduatedSize)
renderer.setSourceColorRamp(None)
renderer.addClassLowerUpper(0, 2)
renderer.addClassLowerUpper(2, 4)
renderer.addClassLowerUpper(4, 6)
renderer.setSymbolSizes(2, 13)
self.assertEqual(renderer.maxSymbolSize(), 13)
self.assertEqual(renderer.minSymbolSize(), 2)
refSizes = [2, (13 + 2) * .5, 13]
ctx = QgsRenderContext()
for idx, symbol in enumerate(renderer.symbols2(ctx)):
self.assertEqual(symbol.size(), refSizes[idx])
开发者ID:Geoneer,项目名称:QGIS,代码行数:86,代码来源:test_qgsgraduatedsymbolrendererv2.py
示例18: testConvertToMapUnits
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, QgsUnitTypes.RenderMapUnits, c)
self.assertEqual(size, 2.0)
size = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsUnitTypes.RenderMillimeters, c)
self.assertAlmostEqual(size, 47.244094, places=5)
size = QgsSymbolLayerV2Utils.convertToMapUnits(r, 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 = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsUnitTypes.RenderMapUnits, c)
self.assertAlmostEqual(size, 118.1102362, places=5)
# only conversion from mapunits should be affected
size = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsUnitTypes.RenderMillimeters, c)
self.assertAlmostEqual(size, 47.244094, places=5)
size = QgsSymbolLayerV2Utils.convertToMapUnits(r, 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 = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsUnitTypes.RenderMapUnits, c)
self.assertAlmostEqual(size, 1.1811023622047245, places=5)
# only conversion from mapunits should be affected
size = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsUnitTypes.RenderMillimeters, c)
self.assertAlmostEqual(size, 47.244094, places=5)
size = QgsSymbolLayerV2Utils.convertToMapUnits(r, 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 = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsUnitTypes.RenderMapUnits, c)
self.assertAlmostEqual(size, 15.57001821, places=5)
# only conversion from mapunits should be affected
size = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsUnitTypes.RenderMillimeters, c)
self.assertAlmostEqual(size, 47.244094, places=5)
size = QgsSymbolLayerV2Utils.convertToMapUnits(r, 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 = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsUnitTypes.RenderMapUnits, c)
self.assertAlmostEqual(size, 1.50677595625, places=5)
# only conversion from mapunits should be affected
size = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsUnitTypes.RenderMillimeters, c)
self.assertAlmostEqual(size, 47.244094, places=5)
size = QgsSymbolLayerV2Utils.convertToMapUnits(r, 2, QgsUnitTypes.RenderPixels, c)
self.assertAlmostEqual(size, 4.0, places=5)
c.maxScale = 0
开发者ID:NyakudyaA,项目名称:QGIS,代码行数:66,代码来源:test_qgsmapunitscale.py
注:本文中的qgis.core.QgsSymbolLayerV2Utils类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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