本文整理汇总了Python中xml.etree.ElementTree.SubElement.attrib['quantity']方法的典型用法代码示例。如果您正苦于以下问题：Python SubElement.attrib['quantity']方法的具体用法？Python SubElement.attrib['quantity']怎么用？Python SubElement.attrib['quantity']使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类xml.etree.ElementTree.SubElement的用法示例。
在下文中一共展示了SubElement.attrib['quantity']方法的1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，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: qml2Sld
# 需要导入模块: from xml.etree.ElementTree import SubElement [as 别名]
# 或者: from xml.etree.ElementTree.SubElement import attrib['quantity'] [as 别名]
def qml2Sld(self):
try:
layer = self.allMapLayers[self.dlg.comboBox.currentIndex()]
except:
return
qmlDocument = QDomDocument()
root = qmlDocument.createElement('SLD4raster')
qmlDocument.appendChild(root)
qgisNode = qmlDocument.createElement('qgis')
root.appendChild(qgisNode)
errorMessage = None
context = QgsReadWriteContext()
layer.writeSymbology(qgisNode, qmlDocument, errorMessage, context)
qmlString = minidom.parseString(qmlDocument.toString().encode('utf-8')) # for non ASCII labels.
sldRoot = Element('sld:StyledLayerDescriptor')
sldRoot.attrib['xmlns'] = 'http://www.opengis.net/sld'
sldRoot.attrib['xmlns:sld'] = 'http://www.opengis.net/sld'
sldRoot.attrib['xmlns:ogc'] = 'http://www.opengis.net/ogc'
sldRoot.attrib['xmlns:gml'] = 'http://www.opengis.net/gml'
sldRoot.attrib['version'] = '1.0.0'
userLayer = SubElement(sldRoot, 'sld:UserLayer')
layerFeatureConstraints = SubElement(userLayer, 'sld:LayerFeatureConstraints')
featureTypeConstraint = SubElement(layerFeatureConstraints, 'sld:FeatureTypeConstraint')
userStyle = SubElement(userLayer, 'sld:UserStyle')
styleName = SubElement(userStyle, 'sld:Name')
styleName.text = self.dlg.comboBox.currentText()
styleDescription = SubElement(userStyle, 'sld:Description')
styleDescription.text = 'Generated by SLD4raster - https://cbsuygulama.wordpress.com/sld4raster'
styleTitle = SubElement(userStyle, 'sld:Title')
featureTypeStyle = SubElement(userStyle, 'sld:FeatureTypeStyle')
featureName = SubElement(featureTypeStyle, 'sld:Name')
featureRule = SubElement(featureTypeStyle, 'sld:Rule')
rasterSymbolizer = SubElement(featureRule, 'sld:RasterSymbolizer')
geometry = SubElement(rasterSymbolizer, 'sld:Geometry')
ogcPropertyName = SubElement(geometry, 'ogc:PropertyName')
ogcPropertyName.text = 'grid'
opacity = SubElement(rasterSymbolizer, 'sld:Opacity')
###Getting raster type parameters
rasterType = str(qmlString.getElementsByTagName('rasterrenderer')[0].attributes['type'].value)
isGradient = 'gradient' in qmlString.getElementsByTagName('rasterrenderer')[0].attributes.keys()
###SLD for multiband raster
if rasterType == 'multibandcolor':
###Getting RGB band order.
redBand = str(qmlString.getElementsByTagName('rasterrenderer')[0].attributes['redBand'].value)
greenBand = str(qmlString.getElementsByTagName('rasterrenderer')[0].attributes['greenBand'].value)
blueBand = str(qmlString.getElementsByTagName('rasterrenderer')[0].attributes['blueBand'].value)
channelSelection = SubElement(rasterSymbolizer, 'sld:ChannelSelection')
redChannel = SubElement(channelSelection, 'sld:RedChannel')
redSourceChannel = SubElement(redChannel, 'sld:SourceChannelName')
redSourceChannel.text = redBand
greenChannel = SubElement(channelSelection, 'sld:GreenChannel')
greenSourceChannel = SubElement(greenChannel, 'sld:SourceChannelName')
greenSourceChannel.text = greenBand
blueChannel = SubElement(channelSelection, 'sld:BlueChannel')
blueSourceChannel = SubElement(blueChannel, 'sld:SourceChannelName')
blueSourceChannel.text = blueBand
###SLD for gradiented (black to white) raster
elif isGradient:
blackWhiteColor = ['#000000', '#FFFFFF']
colorMap = SubElement(rasterSymbolizer, 'sld:ColorMap')
gradientType = qmlString.getElementsByTagName('rasterrenderer')[0].attributes['gradient'].value
blackWhiteValue = [qmlString.getElementsByTagName('minValue')[0].firstChild.nodeValue,
qmlString.getElementsByTagName('maxValue')[0].firstChild.nodeValue]
###Getting gradient color type
if gradientType == 'WhiteToBlack':
blackWhiteColor.reverse()
for i in range(len(blackWhiteColor)):
colorMapEntry = SubElement(colorMap, 'sld:ColorMapEntry')
colorMapEntry.attrib['color'] = blackWhiteColor[i]
colorMapEntry.attrib['opacity'] = '1.0'
colorMapEntry.attrib['quantity'] = blackWhiteValue[i]
###SLD for singleband raster
else:
colorMap = SubElement(rasterSymbolizer, 'sld:ColorMap')
###Getting color ramp type
colorType = str(qmlString.getElementsByTagName('colorrampshader')[0].attributes['colorRampType'].value)
if colorType == 'DISCRETE':
colorMap.attrib['type'] = "intervals"
###Getting color values
colorValue = list()
#.........这里部分代码省略.........