Python core.QgsCategorizedSymbolRenderer类代码示例

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本文整理汇总了Python中qgis.core.QgsCategorizedSymbolRenderer类的典型用法代码示例。如果您正苦于以下问题：Python QgsCategorizedSymbolRenderer类的具体用法？Python QgsCategorizedSymbolRenderer怎么用？Python QgsCategorizedSymbolRenderer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QgsCategorizedSymbolRenderer类的11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: testFilterNeedsGeometry

    def testFilterNeedsGeometry(self):
        renderer = QgsCategorizedSymbolRenderer()

        renderer.setClassAttribute("value")
        self.assertFalse(renderer.filterNeedsGeometry())
        renderer.setClassAttribute("$area")
        self.assertTrue(renderer.filterNeedsGeometry())
        renderer.setClassAttribute("value - $area")
        self.assertTrue(renderer.filterNeedsGeometry())

开发者ID:m-kuhn，项目名称:QGIS，代码行数:9，代码来源:test_qgscategorizedsymbolrenderer.py

示例2: _create_categorized_renderer

 def _create_categorized_renderer(self):
     cat_renderer = QgsCategorizedSymbolRenderer(attrName='Class')
     sym1 = QgsMarkerSymbol.createSimple({'color': '#ff00ff', 'size': '6', 'outline_style': 'no'})
     cat1 = QgsRendererCategory('Biplane', sym1, 'Big')
     cat_renderer.addCategory(cat1)
     sym2 = QgsMarkerSymbol.createSimple({'color': '#ff00ff', 'size': '3', 'outline_style': 'no'})
     cat2 = QgsRendererCategory(['B52', 'Jet'], sym2, 'Smaller')
     cat_renderer.addCategory(cat2)
     return cat_renderer

开发者ID:dmarteau，项目名称:QGIS，代码行数:9，代码来源:test_qgspointdisplacementrenderer.py

示例3: testUsedAttributes

    def testUsedAttributes(self):
        renderer = QgsCategorizedSymbolRenderer()
        ctx = QgsRenderContext()

        # attribute can contain either attribute name or an expression.
        # Sometimes it is not possible to distinguish between those two,
        # e.g. "a - b" can be both a valid attribute name or expression.
        # Since we do not have access to fields here, the method should return both options.
        renderer.setClassAttribute("value")
        self.assertEqual(renderer.usedAttributes(ctx), {"value"})
        renderer.setClassAttribute("value - 1")
        self.assertEqual(renderer.usedAttributes(ctx), {"value", "value - 1"})
        renderer.setClassAttribute("valuea - valueb")
        self.assertEqual(renderer.usedAttributes(ctx), {"valuea", "valuea - valueb", "valueb"})

开发者ID:m-kuhn，项目名称:QGIS，代码行数:14，代码来源:test_qgscategorizedsymbolrenderer.py

示例4: testCategories

    def testCategories(self):
        layer = QgsVectorLayer("Point?field=fldtxt:string&field=fldint:integer", "addfeat", "memory")
        layer.setEditorWidgetSetup(1, QgsEditorWidgetSetup("ValueMap", {'map': [{'One': '1'}, {'Two': '2'}]}))

        result = QgsCategorizedSymbolRenderer.createCategories([1, 2, 3], QgsMarkerSymbol(), layer, 'fldint')

        self.assertEqual(result[0].label(), 'One')
        self.assertEqual(result[1].label(), 'Two')
        self.assertEqual(result[2].label(), '(3)')

开发者ID:m-kuhn，项目名称:QGIS，代码行数:9，代码来源:test_qgscategorizedsymbolrenderer.py

示例5: testFilter

    def testFilter(self):
        """Test filter creation"""
        renderer = QgsCategorizedSymbolRenderer()
        renderer.setClassAttribute('field')

        renderer.addCategory(QgsRendererCategory('a', createMarkerSymbol(), 'a'))
        renderer.addCategory(QgsRendererCategory('b', createMarkerSymbol(), 'b'))
        renderer.addCategory(QgsRendererCategory('c', createMarkerSymbol(), 'c'))
        # add default category
        renderer.addCategory(QgsRendererCategory('', createMarkerSymbol(), 'default'))

        fields = QgsFields()
        fields.append(QgsField('field', QVariant.String))
        fields.append(QgsField('num', QVariant.Double))

        self.assertEqual(renderer.filter(fields), '')
        # remove categories, leaving default
        assert renderer.updateCategoryRenderState(0, False)
        self.assertEqual(renderer.filter(fields), "(\"field\") NOT IN ('a') OR (\"field\") IS NULL")
        assert renderer.updateCategoryRenderState(1, False)
        self.assertEqual(renderer.filter(fields), "(\"field\") NOT IN ('a','b') OR (\"field\") IS NULL")
        assert renderer.updateCategoryRenderState(2, False)
        self.assertEqual(renderer.filter(fields), "(\"field\") NOT IN ('a','b','c') OR (\"field\") IS NULL")
        # remove default category
        assert renderer.updateCategoryRenderState(3, False)
        self.assertEqual(renderer.filter(fields), "FALSE")
        # add back other categories, leaving default disabled
        assert renderer.updateCategoryRenderState(0, True)
        self.assertEqual(renderer.filter(fields), "(\"field\") IN ('a')")
        assert renderer.updateCategoryRenderState(1, True)
        self.assertEqual(renderer.filter(fields), "(\"field\") IN ('a','b')")
        assert renderer.updateCategoryRenderState(2, True)
        self.assertEqual(renderer.filter(fields), "(\"field\") IN ('a','b','c')")

        renderer.deleteAllCategories()
        # just default category
        renderer.addCategory(QgsRendererCategory('', createMarkerSymbol(), 'default'))
        self.assertEqual(renderer.filter(fields), '')
        assert renderer.updateCategoryRenderState(0, False)
        self.assertEqual(renderer.filter(fields), 'FALSE')

        renderer.deleteAllCategories()
        # no default category
        renderer.addCategory(QgsRendererCategory('a', createMarkerSymbol(), 'a'))
        renderer.addCategory(QgsRendererCategory('b', createMarkerSymbol(), 'b'))
        renderer.addCategory(QgsRendererCategory('c', createMarkerSymbol(), 'c'))
        self.assertEqual(renderer.filter(fields), "(\"field\") IN ('a','b','c')")
        assert renderer.updateCategoryRenderState(0, False)
        self.assertEqual(renderer.filter(fields), "(\"field\") IN ('b','c')")
        assert renderer.updateCategoryRenderState(2, False)
        self.assertEqual(renderer.filter(fields), "(\"field\") IN ('b')")
        assert renderer.updateCategoryRenderState(1, False)
        self.assertEqual(renderer.filter(fields), "FALSE")

        renderer.deleteAllCategories()
        renderer.setClassAttribute('num')
        # numeric categories
        renderer.addCategory(QgsRendererCategory(1, createMarkerSymbol(), 'a'))
        renderer.addCategory(QgsRendererCategory(2, createMarkerSymbol(), 'b'))
        renderer.addCategory(QgsRendererCategory(3, createMarkerSymbol(), 'c'))
        self.assertEqual(renderer.filter(fields), '(\"num\") IN (1,2,3)')
        assert renderer.updateCategoryRenderState(0, False)
        self.assertEqual(renderer.filter(fields), "(\"num\") IN (2,3)")
        assert renderer.updateCategoryRenderState(2, False)
        self.assertEqual(renderer.filter(fields), "(\"num\") IN (2)")
        assert renderer.updateCategoryRenderState(1, False)
        self.assertEqual(renderer.filter(fields), "FALSE")

开发者ID:NathanW2，项目名称:QGIS，代码行数:67，代码来源:test_qgscategorizedsymbolrenderer.py

示例6: testLegendKeysWhileCounting

    def testLegendKeysWhileCounting(self):
        # test determining legend keys for features, while counting features
        fields = QgsFields()
        fields.append(QgsField('x'))

        # setup renderer
        renderer = QgsCategorizedSymbolRenderer()
        renderer.setClassAttribute('x')

        symbol_a = createMarkerSymbol()
        symbol_a.setColor(QColor(255, 0, 0))
        renderer.addCategory(QgsRendererCategory('a', symbol_a, 'a'))
        symbol_b = createMarkerSymbol()
        symbol_b.setColor(QColor(0, 255, 0))
        renderer.addCategory(QgsRendererCategory('b', symbol_b, 'b'))
        symbol_c = createMarkerSymbol()
        symbol_c.setColor(QColor(0, 0, 255))
        renderer.addCategory(QgsRendererCategory('c', symbol_c, 'c', False))
        # add default category
        default_symbol = createMarkerSymbol()
        default_symbol.setColor(QColor(255, 255, 255))
        renderer.addCategory(QgsRendererCategory('', default_symbol, 'default'))

        context = QgsRenderContext()
        context.setRendererScale(0) # simulate counting
        renderer.startRender(context, fields)

        f = QgsFeature(fields)
        f.setAttributes(['a'])

        keys = renderer.legendKeysForFeature(f, context)
        self.assertEqual(keys, {'0'})

        f.setAttributes(['b'])
        keys = renderer.legendKeysForFeature(f, context)
        self.assertEqual(keys, {'1'})

        # hidden category, should still return keys
        f.setAttributes(['c'])
        keys = renderer.legendKeysForFeature(f, context)
        self.assertEqual(keys, {'2'})

        # no matching category
        f.setAttributes(['xxx'])
        keys = renderer.legendKeysForFeature(f, context)
        self.assertFalse(keys)

        renderer.stopRender(context)

开发者ID:NathanW2，项目名称:QGIS，代码行数:48，代码来源:test_qgscategorizedsymbolrenderer.py

示例7: testOriginalSymbolForFeature

    def testOriginalSymbolForFeature(self):
        # test renderer with features
        fields = QgsFields()
        fields.append(QgsField('x'))

        # setup renderer
        renderer = QgsCategorizedSymbolRenderer()
        renderer.setClassAttribute('x')

        symbol_a = createMarkerSymbol()
        symbol_a.setColor(QColor(255, 0, 0))
        renderer.addCategory(QgsRendererCategory('a', symbol_a, 'a'))
        symbol_b = createMarkerSymbol()
        symbol_b.setColor(QColor(0, 255, 0))
        renderer.addCategory(QgsRendererCategory('b', symbol_b, 'b'))
        symbol_c = createMarkerSymbol()
        symbol_c.setColor(QColor(0, 0, 255))
        renderer.addCategory(QgsRendererCategory('c', symbol_c, 'c', False))
        # add default category
        default_symbol = createMarkerSymbol()
        default_symbol.setColor(QColor(255, 255, 255))
        renderer.addCategory(QgsRendererCategory('', default_symbol, 'default'))

        context = QgsRenderContext()
        renderer.startRender(context, fields)

        f = QgsFeature(fields)
        f.setAttributes(['a'])

        symbol = renderer.originalSymbolForFeature(f, context)
        self.assertEqual(symbol.color(), QColor(255, 0, 0))

        f.setAttributes(['b'])
        symbol = renderer.originalSymbolForFeature(f, context)
        self.assertEqual(symbol.color(), QColor(0, 255, 0))

        # hidden category
        f.setAttributes(['c'])
        symbol = renderer.originalSymbolForFeature(f, context)
        self.assertIsNone(symbol)

        # no matching category
        f.setAttributes(['xxx'])
        symbol = renderer.originalSymbolForFeature(f, context)
        self.assertEqual(symbol.color(), QColor(255, 255, 255)) # default symbol

        renderer.stopRender(context)

开发者ID:NathanW2，项目名称:QGIS，代码行数:47，代码来源:test_qgscategorizedsymbolrenderer.py

示例8: testSymbolForValue

    def testSymbolForValue(self):
        """Test symbolForValue"""
        renderer = QgsCategorizedSymbolRenderer()
        renderer.setClassAttribute('field')

        symbol_a = createMarkerSymbol()
        symbol_a.setColor(QColor(255, 0, 0))
        renderer.addCategory(QgsRendererCategory('a', symbol_a, 'a'))
        symbol_b = createMarkerSymbol()
        symbol_b.setColor(QColor(0, 255, 0))
        renderer.addCategory(QgsRendererCategory('b', symbol_b, 'b'))
        symbol_c = createMarkerSymbol()
        symbol_c.setColor(QColor(0, 0, 255))
        renderer.addCategory(QgsRendererCategory('c', symbol_c, 'c', False))
        # add default category
        default_symbol = createMarkerSymbol()
        default_symbol.setColor(QColor(255, 255, 255))
        renderer.addCategory(QgsRendererCategory('', default_symbol, 'default'))

        context = QgsRenderContext()
        renderer.startRender(context, QgsFields())

        symbol, ok = renderer.symbolForValue2('a')
        self.assertEqual(symbol.color(), QColor(255, 0, 0))
        self.assertTrue(ok)
        symbol, ok = renderer.symbolForValue2('b')
        self.assertEqual(symbol.color(), QColor(0, 255, 0))
        self.assertTrue(ok)

        # hidden category
        symbol, ok = renderer.symbolForValue2('c')
        self.assertIsNone(symbol)
        self.assertTrue(ok)

        # no matching category
        symbol, ok = renderer.symbolForValue2('xxxx')
        self.assertIsNone(symbol)
        self.assertFalse(ok)

        renderer.stopRender(context)

开发者ID:NathanW2，项目名称:QGIS，代码行数:40，代码来源:test_qgscategorizedsymbolrenderer.py

示例9: testFilterExpression

    def testFilterExpression(self):
        """Test filter creation with expression"""
        renderer = QgsCategorizedSymbolRenderer()
        renderer.setClassAttribute("field + field2")

        renderer.addCategory(QgsRendererCategory("a", createMarkerSymbol(), "a"))
        renderer.addCategory(QgsRendererCategory("b", createMarkerSymbol(), "b"))
        renderer.addCategory(QgsRendererCategory("c", createMarkerSymbol(), "c"))
        # add default category
        renderer.addCategory(QgsRendererCategory("", createMarkerSymbol(), "default"))

        fields = QgsFields()
        fields.append(QgsField("field", QVariant.String))

        self.assertEqual(renderer.filter(fields), "")
        # remove categories, leaving default
        assert renderer.updateCategoryRenderState(0, False)
        self.assertEqual(renderer.filter(fields), "(field + field2) NOT IN ('a') OR (field + field2) IS NULL")
        assert renderer.updateCategoryRenderState(1, False)
        self.assertEqual(renderer.filter(fields), "(field + field2) NOT IN ('a','b') OR (field + field2) IS NULL")
        assert renderer.updateCategoryRenderState(2, False)
        self.assertEqual(renderer.filter(fields), "(field + field2) NOT IN ('a','b','c') OR (field + field2) IS NULL")
        # remove default category
        assert renderer.updateCategoryRenderState(3, False)
        self.assertEqual(renderer.filter(fields), "FALSE")
        # add back other categories, leaving default disabled
        assert renderer.updateCategoryRenderState(0, True)
        self.assertEqual(renderer.filter(fields), "(field + field2) IN ('a')")
        assert renderer.updateCategoryRenderState(1, True)
        self.assertEqual(renderer.filter(fields), "(field + field2) IN ('a','b')")
        assert renderer.updateCategoryRenderState(2, True)
        self.assertEqual(renderer.filter(fields), "(field + field2) IN ('a','b','c')")

        renderer.deleteAllCategories()
        # just default category
        renderer.addCategory(QgsRendererCategory("", createMarkerSymbol(), "default"))
        self.assertEqual(renderer.filter(fields), "")
        assert renderer.updateCategoryRenderState(0, False)
        self.assertEqual(renderer.filter(fields), "FALSE")

        renderer.deleteAllCategories()
        # no default category
        renderer.addCategory(QgsRendererCategory("a", createMarkerSymbol(), "a"))
        renderer.addCategory(QgsRendererCategory("b", createMarkerSymbol(), "b"))
        renderer.addCategory(QgsRendererCategory("c", createMarkerSymbol(), "c"))
        self.assertEqual(renderer.filter(fields), "(field + field2) IN ('a','b','c')")
        assert renderer.updateCategoryRenderState(0, False)
        self.assertEqual(renderer.filter(fields), "(field + field2) IN ('b','c')")
        assert renderer.updateCategoryRenderState(2, False)
        self.assertEqual(renderer.filter(fields), "(field + field2) IN ('b')")
        assert renderer.updateCategoryRenderState(1, False)
        self.assertEqual(renderer.filter(fields), "FALSE")

        renderer.deleteAllCategories()
        # numeric categories
        renderer.addCategory(QgsRendererCategory(1, createMarkerSymbol(), "a"))
        renderer.addCategory(QgsRendererCategory(2, createMarkerSymbol(), "b"))
        renderer.addCategory(QgsRendererCategory(3, createMarkerSymbol(), "c"))
        self.assertEqual(renderer.filter(fields), "(field + field2) IN (1,2,3)")
        assert renderer.updateCategoryRenderState(0, False)
        self.assertEqual(renderer.filter(fields), "(field + field2) IN (2,3)")
        assert renderer.updateCategoryRenderState(2, False)
        self.assertEqual(renderer.filter(fields), "(field + field2) IN (2)")
        assert renderer.updateCategoryRenderState(1, False)
        self.assertEqual(renderer.filter(fields), "FALSE")

开发者ID:ndavid，项目名称:QGIS，代码行数:65，代码来源:test_qgscategorizedsymbolrenderer.py

示例10: testWriteReadXml

    def testWriteReadXml(self):
        # test writing renderer to xml and restoring

        renderer = QgsCategorizedSymbolRenderer()
        renderer.setClassAttribute('x')

        symbol_a = createMarkerSymbol()
        symbol_a.setColor(QColor(255, 0, 0))
        renderer.addCategory(QgsRendererCategory('a', symbol_a, 'a'))
        symbol_b = createMarkerSymbol()
        symbol_b.setColor(QColor(0, 255, 0))
        renderer.addCategory(QgsRendererCategory('b', symbol_b, 'b'))
        symbol_c = createMarkerSymbol()
        symbol_c.setColor(QColor(0, 0, 255))
        renderer.addCategory(QgsRendererCategory('c', symbol_c, 'c', False))
        symbol_d = createMarkerSymbol()
        symbol_d.setColor(QColor(255, 0, 255))
        renderer.addCategory(QgsRendererCategory(['d', 'e'], symbol_d, 'de'))
        # add default category
        default_symbol = createMarkerSymbol()
        default_symbol.setColor(QColor(255, 255, 255))
        renderer.addCategory(QgsRendererCategory('', default_symbol, 'default'))

        doc = QDomDocument("testdoc")
        elem = renderer.save(doc, QgsReadWriteContext())

        renderer2 = QgsCategorizedSymbolRenderer.create(elem, QgsReadWriteContext())
        self.assertEqual(renderer2.classAttribute(), 'x')
        self.assertEqual([l.label() for l in renderer2.categories()], ['a', 'b', 'c', 'de', 'default'])
        self.assertEqual([l.value() for l in renderer2.categories()], ['a', 'b', 'c', ['d', 'e'], ''])
        self.assertEqual([l.symbol().color().name() for l in renderer2.categories()], ['#ff0000', '#00ff00', '#0000ff', '#ff00ff', '#ffffff'])

开发者ID:m-kuhn，项目名称:QGIS，代码行数:31，代码来源:test_qgscategorizedsymbolrenderer.py

示例11: testMatchToSymbols

    def testMatchToSymbols(self):
        """
        Test QgsCategorizedSymbolRender.matchToSymbols
        """
        renderer = QgsCategorizedSymbolRenderer()
        renderer.setClassAttribute('x')

        symbol_a = createMarkerSymbol()
        symbol_a.setColor(QColor(255, 0, 0))
        renderer.addCategory(QgsRendererCategory('a', symbol_a, 'a'))
        symbol_b = createMarkerSymbol()
        symbol_b.setColor(QColor(0, 255, 0))
        renderer.addCategory(QgsRendererCategory('b', symbol_b, 'b'))
        symbol_c = createMarkerSymbol()
        symbol_c.setColor(QColor(0, 0, 255))
        renderer.addCategory(QgsRendererCategory('c ', symbol_c, 'c'))

        matched, unmatched_cats, unmatched_symbols = renderer.matchToSymbols(None, QgsSymbol.Marker)
        self.assertEqual(matched, 0)

        style = QgsStyle()
        symbol_a = createMarkerSymbol()
        symbol_a.setColor(QColor(255, 10, 10))
        self.assertTrue(style.addSymbol('a', symbol_a))
        symbol_B = createMarkerSymbol()
        symbol_B.setColor(QColor(10, 255, 10))
        self.assertTrue(style.addSymbol('B ', symbol_B))
        symbol_b = createFillSymbol()
        symbol_b.setColor(QColor(10, 255, 10))
        self.assertTrue(style.addSymbol('b', symbol_b))
        symbol_C = createLineSymbol()
        symbol_C.setColor(QColor(10, 255, 10))
        self.assertTrue(style.addSymbol('C', symbol_C))
        symbol_C = createMarkerSymbol()
        symbol_C.setColor(QColor(10, 255, 10))
        self.assertTrue(style.addSymbol(' ----c/- ', symbol_C))

        # non-matching symbol type
        matched, unmatched_cats, unmatched_symbols = renderer.matchToSymbols(style, QgsSymbol.Line)
        self.assertEqual(matched, 0)
        self.assertEqual(unmatched_cats, ['a', 'b', 'c '])
        self.assertEqual(unmatched_symbols, [' ----c/- ', 'B ', 'C', 'a', 'b'])

        # exact match
        matched, unmatched_cats, unmatched_symbols = renderer.matchToSymbols(style, QgsSymbol.Marker)
        self.assertEqual(matched, 1)
        self.assertEqual(unmatched_cats, ['b', 'c '])
        self.assertEqual(unmatched_symbols, [' ----c/- ', 'B ', 'C', 'b'])

        # make sure symbol was applied
        context = QgsRenderContext()
        renderer.startRender(context, QgsFields())
        symbol, ok = renderer.symbolForValue2('a')
        self.assertTrue(ok)
        self.assertEqual(symbol.color().name(), '#ff0a0a')
        renderer.stopRender(context)

        # case insensitive match
        matched, unmatched_cats, unmatched_symbols = renderer.matchToSymbols(style, QgsSymbol.Marker, False)
        self.assertEqual(matched, 2)
        self.assertEqual(unmatched_cats, ['c '])
        self.assertEqual(unmatched_symbols, [' ----c/- ', 'C', 'b'])

        # make sure symbols were applied
        context = QgsRenderContext()
        renderer.startRender(context, QgsFields())
        symbol, ok = renderer.symbolForValue2('a')
        self.assertTrue(ok)
        self.assertEqual(symbol.color().name(), '#ff0a0a')
        symbol, ok = renderer.symbolForValue2('b')
        self.assertTrue(ok)
        self.assertEqual(symbol.color().name(), '#0aff0a')
        renderer.stopRender(context)

        # case insensitive match
        matched, unmatched_cats, unmatched_symbols = renderer.matchToSymbols(style, QgsSymbol.Marker, False)
        self.assertEqual(matched, 2)
        self.assertEqual(unmatched_cats, ['c '])
        self.assertEqual(unmatched_symbols, [' ----c/- ', 'C', 'b'])

        # make sure symbols were applied
        context = QgsRenderContext()
        renderer.startRender(context, QgsFields())
        symbol, ok = renderer.symbolForValue2('a')
        self.assertTrue(ok)
        self.assertEqual(symbol.color().name(), '#ff0a0a')
        symbol, ok = renderer.symbolForValue2('b')
        self.assertTrue(ok)
        self.assertEqual(symbol.color().name(), '#0aff0a')
        renderer.stopRender(context)

        # tolerant match
        matched, unmatched_cats, unmatched_symbols = renderer.matchToSymbols(style, QgsSymbol.Marker, True, True)
        self.assertEqual(matched, 2)
        self.assertEqual(unmatched_cats, ['b'])
        self.assertEqual(unmatched_symbols, ['B ', 'C', 'b'])

        # make sure symbols were applied
        context = QgsRenderContext()
        renderer.startRender(context, QgsFields())
#.........这里部分代码省略.........

开发者ID:m-kuhn，项目名称:QGIS，代码行数:101，代码来源:test_qgscategorizedsymbolrenderer.py

注：本文中的qgis.core.QgsCategorizedSymbolRenderer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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Python core.QgsCategorizedSymbolRenderer类代码示例

示例1: testFilterNeedsGeometry

示例2: _create_categorized_renderer

示例3: testUsedAttributes

示例4: testCategories

示例5: testFilter

示例6: testLegendKeysWhileCounting

示例7: testOriginalSymbolForFeature

示例8: testSymbolForValue

示例9: testFilterExpression

示例10: testWriteReadXml

示例11: testMatchToSymbols

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