Python core.QgsMarkerLineSymbolLayer类代码示例

OGeek|极客世界-中国程序员成长平台 › 门户 › 编程› Python›Python编程经验

原作者: [db:作者] 来自: [db:来源] 收藏邀请

本文整理汇总了Python中qgis.core.QgsMarkerLineSymbolLayer类的典型用法代码示例。如果您正苦于以下问题：Python QgsMarkerLineSymbolLayer类的具体用法？Python QgsMarkerLineSymbolLayer怎么用？Python QgsMarkerLineSymbolLayer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QgsMarkerLineSymbolLayer类的9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: testPartNum

    def testPartNum(self):
        # test geometry_part_num variable
        s = QgsLineSymbol()
        s.deleteSymbolLayer(0)

        sym_layer = QgsGeometryGeneratorSymbolLayer.create({'geometryModifier': 'segments_to_lines($geometry)'})
        sym_layer.setSymbolType(QgsSymbol.Line)
        s.appendSymbolLayer(sym_layer)

        marker_line = QgsMarkerLineSymbolLayer(False)
        marker_line.setPlacement(QgsMarkerLineSymbolLayer.FirstVertex)
        f = QgsFontUtils.getStandardTestFont('Bold', 24)
        marker = QgsFontMarkerSymbolLayer(f.family(), 'x', 24, QColor(255, 255, 0))
        marker.setDataDefinedProperty(QgsSymbolLayer.PropertyCharacter, QgsProperty.fromExpression('@geometry_part_num'))
        marker_symbol = QgsMarkerSymbol()
        marker_symbol.changeSymbolLayer(0, marker)
        marker_line.setSubSymbol(marker_symbol)
        line_symbol = QgsLineSymbol()
        line_symbol.changeSymbolLayer(0, marker_line)
        sym_layer.setSubSymbol(line_symbol)

        # rendering test
        g = QgsGeometry.fromWkt('LineString(0 0, 10 0, 10 10, 0 10)')
        rendered_image = self.renderGeometry(s, g, buffer=4)
        assert self.imageCheck('part_num_variable', 'part_num_variable', rendered_image)

        marker.setDataDefinedProperty(QgsSymbolLayer.PropertyCharacter,
                                      QgsProperty.fromExpression('@geometry_part_count'))

        # rendering test
        g = QgsGeometry.fromWkt('LineString(0 0, 10 0, 10 10, 0 10)')
        rendered_image = self.renderGeometry(s, g, buffer=4)
        assert self.imageCheck('part_count_variable', 'part_count_variable', rendered_image)

开发者ID:jonnyforestGIS，项目名称:QGIS，代码行数:33，代码来源:test_qgsmarkerlinesymbollayer.py

示例2: testMarkLineUnitPixels

    def testMarkLineUnitPixels(self):
        symbol = QgsMarkerLineSymbolLayer()
        symbol.setSubSymbol(QgsMarkerSymbol.createSimple({"color": "#ffffff", "size": "3"}))
        symbol.setInterval(5)
        symbol.setOffset(5)
        symbol.setOutputUnit(QgsUnitTypes.RenderPixels)
        dom, root = self.symbolToSld(symbol)

        # print ("Mark line px: \n" + dom.toString())

        # size of the mark
        self.assertStaticSize(root, "3")
        # gap and offset
        self.assertStaticGap(root, "5")
        self.assertStaticPerpendicularOffset(root, "5")

开发者ID:liminlu0314，项目名称:QGIS，代码行数:15，代码来源:test_qgssymbollayer_createsld.py

示例3: testForceRHR

    def testForceRHR(self):
        # test forcing right hand rule during rendering

        s = QgsFillSymbol()
        s.deleteSymbolLayer(0)
        s.appendSymbolLayer(
            QgsSimpleFillSymbolLayer(color=QColor(255, 0, 0), strokeColor=QColor(0, 255, 0)))
        self.assertFalse(s.forceRHR())
        s.setForceRHR(True)
        self.assertTrue(s.forceRHR())
        s.setForceRHR(False)
        self.assertFalse(s.forceRHR())

        s.setForceRHR(True)
        doc = QDomDocument()
        context = QgsReadWriteContext()
        element = QgsSymbolLayerUtils.saveSymbol('test', s, doc, context)

        s2 = QgsSymbolLayerUtils.loadSymbol(element, context)
        self.assertTrue(s2.forceRHR())

        # rendering test
        s3 = QgsFillSymbol()
        s3.deleteSymbolLayer(0)
        s3.appendSymbolLayer(
            QgsSimpleFillSymbolLayer(color=QColor(255, 200, 200), strokeColor=QColor(0, 255, 0), strokeWidth=2))
        marker_line = QgsMarkerLineSymbolLayer(True)
        marker_line.setPlacement(QgsMarkerLineSymbolLayer.FirstVertex)
        marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Triangle, 4)
        marker.setColor(QColor(255, 0, 0))
        marker.setStrokeStyle(Qt.NoPen)
        marker_symbol = QgsMarkerSymbol()
        marker_symbol.changeSymbolLayer(0, marker)
        marker_line.setSubSymbol(marker_symbol)
        s3.appendSymbolLayer(marker_line)

        g = QgsGeometry.fromWkt('Polygon((0 0, 10 0, 10 10, 0 10, 0 0),(1 1, 1 2, 2 2, 2 1, 1 1),(8 8, 9 8, 9 9, 8 9, 8 8))')
        rendered_image = self.renderGeometry(s3, g)
        assert self.imageCheck('force_rhr_off', 'polygon_forcerhr_off', rendered_image)

        s3.setForceRHR(True)
        rendered_image = self.renderGeometry(s3, g)
        assert self.imageCheck('force_rhr_on', 'polygon_forcerhr_on', rendered_image)

开发者ID:yoichigmf，项目名称:QGIS，代码行数:43，代码来源:test_qgssymbol.py

示例4: testNoPoint

    def testNoPoint(self):
        s = QgsLineSymbol()
        s.deleteSymbolLayer(0)

        marker_line = QgsMarkerLineSymbolLayer(True)
        marker_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Interval)
        marker_line.setOffsetAlongLine(1000)
        marker_line.setIntervalUnit(QgsUnitTypes.RenderMapUnits)
        marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Circle, 4)
        marker.setColor(QColor(255, 0, 0, 100))
        marker.setStrokeStyle(Qt.NoPen)
        marker_symbol = QgsMarkerSymbol()
        marker_symbol.changeSymbolLayer(0, marker)
        marker_line.setSubSymbol(marker_symbol)
        line_symbol = QgsLineSymbol()
        line_symbol.changeSymbolLayer(0, marker_line)

        s.appendSymbolLayer(marker_line.clone())

        g = QgsGeometry.fromWkt('LineString(0 0, 0 10, 10 10)')
        rendered_image = self.renderGeometry(s, g)
        assert self.imageCheck('markerline_none', 'markerline_none', rendered_image)

开发者ID:manisandro，项目名称:QGIS，代码行数:22，代码来源:test_qgsmarkerlinesymbollayer.py

示例5: testMarkerAverageAngleRing

    def testMarkerAverageAngleRing(self):
        s = QgsLineSymbol()
        s.deleteSymbolLayer(0)

        marker_line = QgsMarkerLineSymbolLayer(True)
        marker_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Interval)
        marker_line.setInterval(6)
        marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Triangle, 4)
        marker.setColor(QColor(255, 0, 0))
        marker.setStrokeStyle(Qt.NoPen)
        marker_symbol = QgsMarkerSymbol()
        marker_symbol.changeSymbolLayer(0, marker)
        marker_line.setSubSymbol(marker_symbol)
        marker_line.setAverageAngleLength(60)
        line_symbol = QgsLineSymbol()
        line_symbol.changeSymbolLayer(0, marker_line)

        s.appendSymbolLayer(marker_line.clone())

        g = QgsGeometry.fromWkt('LineString(0 0, 0 10, 10 10, 10 0, 0 0)')
        rendered_image = self.renderGeometry(s, g)
        assert self.imageCheck('markerline_ring_average_angle', 'markerline_ring_average_angle', rendered_image)

开发者ID:manisandro，项目名称:QGIS，代码行数:22，代码来源:test_qgsmarkerlinesymbollayer.py

示例6: testQgsMarkerLineSymbolLayer

    def testQgsMarkerLineSymbolLayer(self):
        """
        Create a new style from a .sld file and match test
        """
        mTestName = "QgsMarkerLineSymbolLayer"
        mFilePath = QDir.toNativeSeparators("%s/symbol_layer/%s.sld" % (unitTestDataPath(), mTestName))

        mDoc = QDomDocument(mTestName)
        mFile = QFile(mFilePath)
        mFile.open(QIODevice.ReadOnly)
        mDoc.setContent(mFile, True)
        mFile.close()
        mSymbolLayer = QgsMarkerLineSymbolLayer.createFromSld(
            mDoc.elementsByTagName("LineSymbolizer").item(0).toElement()
        )

        mExpectedValue = type(QgsMarkerLineSymbolLayer())
        mValue = type(mSymbolLayer)
        mMessage = 'Expected "%s" got "%s"' % (mExpectedValue, mValue)
        assert mExpectedValue == mValue, mMessage

        mExpectedValue = QgsMarkerLineSymbolLayer.CentralPoint
        mValue = mSymbolLayer.placement()
        mMessage = 'Expected "%s" got "%s"' % (mExpectedValue, mValue)
        assert mExpectedValue == mValue, mMessage

        mExpectedValue = QgsSimpleMarkerSymbolLayerBase.Circle
        mValue = mSymbolLayer.subSymbol().symbolLayer(0).shape()
        mMessage = 'Expected "%s" got "%s"' % (mExpectedValue, mValue)
        assert mExpectedValue == mValue, mMessage

        mExpectedValue = "#000000"
        mValue = mSymbolLayer.subSymbol().symbolLayer(0).borderColor().name()
        mMessage = 'Expected "%s" got "%s"' % (mExpectedValue, mValue)
        assert mExpectedValue == mValue, mMessage

        mExpectedValue = "#ff0000"
        mValue = mSymbolLayer.subSymbol().symbolLayer(0).color().name()
        mMessage = 'Expected "%s" got "%s"' % (mExpectedValue, mValue)
        assert mExpectedValue == mValue, mMessage

        # test colors, need to make sure colors are passed/retrieved from subsymbol
        mSymbolLayer.setColor(QColor(150, 50, 100))
        self.assertEqual(mSymbolLayer.color(), QColor(150, 50, 100))
        self.assertEqual(mSymbolLayer.subSymbol().color(), QColor(150, 50, 100))
        mSymbolLayer.subSymbol().setColor(QColor(250, 150, 200))
        self.assertEqual(mSymbolLayer.subSymbol().color(), QColor(250, 150, 200))
        self.assertEqual(mSymbolLayer.color(), QColor(250, 150, 200))

开发者ID:Cracert，项目名称:Quantum-GIS，代码行数:48，代码来源:test_qgssymbollayer.py

示例7: testMarkLineUnitDefault

    def testMarkLineUnitDefault(self):
        symbol = QgsMarkerLineSymbolLayer()
        symbol.setSubSymbol(QgsMarkerSymbol.createSimple({"color": "#ffffff", "size": "3"}))
        symbol.setInterval(5)
        symbol.setOffset(5)
        dom, root = self.symbolToSld(symbol)

        # print ("Mark line mm: \n" + dom.toString())

        # size of the mark
        self.assertStaticSize(root, "11")
        # gap and offset
        self.assertStaticGap(root, "18")
        self.assertStaticPerpendicularOffset(root, "18")

开发者ID:liminlu0314，项目名称:QGIS，代码行数:14，代码来源:test_qgssymbollayer_createsld.py

示例8: testRingFilter

    def testRingFilter(self):
        # test filtering rings during rendering
        s = QgsFillSymbol()
        s.deleteSymbolLayer(0)

        marker_line = QgsMarkerLineSymbolLayer(True)
        marker_line.setPlacement(QgsMarkerLineSymbolLayer.FirstVertex)
        marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Triangle, 4)
        marker.setColor(QColor(255, 0, 0))
        marker.setStrokeStyle(Qt.NoPen)
        marker_symbol = QgsMarkerSymbol()
        marker_symbol.changeSymbolLayer(0, marker)
        marker_line.setSubSymbol(marker_symbol)

        s.appendSymbolLayer(marker_line.clone())
        self.assertEqual(s.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.AllRings)
        s.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.ExteriorRingOnly)
        self.assertEqual(s.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.ExteriorRingOnly)

        s2 = s.clone()
        self.assertEqual(s2.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.ExteriorRingOnly)

        doc = QDomDocument()
        context = QgsReadWriteContext()
        element = QgsSymbolLayerUtils.saveSymbol('test', s, doc, context)

        s2 = QgsSymbolLayerUtils.loadSymbol(element, context)
        self.assertEqual(s2.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.ExteriorRingOnly)

        # rendering test
        s3 = QgsFillSymbol()
        s3.deleteSymbolLayer(0)
        s3.appendSymbolLayer(
            QgsMarkerLineSymbolLayer())
        s3.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.ExteriorRingOnly)
        s3.symbolLayer(0).setAverageAngleLength(0)

        g = QgsGeometry.fromWkt('Polygon((0 0, 10 0, 10 10, 0 10, 0 0),(1 1, 1 2, 2 2, 2 1, 1 1),(8 8, 9 8, 9 9, 8 9, 8 8))')
        rendered_image = self.renderGeometry(s3, g)
        assert self.imageCheck('markerline_exterioronly', 'markerline_exterioronly', rendered_image)

        s3.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.InteriorRingsOnly)
        g = QgsGeometry.fromWkt('Polygon((0 0, 10 0, 10 10, 0 10, 0 0),(1 1, 1 2, 2 2, 2 1, 1 1),(8 8, 9 8, 9 9, 8 9, 8 8))')
        rendered_image = self.renderGeometry(s3, g)
        assert self.imageCheck('markerline_interioronly', 'markerline_interioronly', rendered_image)

开发者ID:manisandro，项目名称:QGIS，代码行数:45，代码来源:test_qgsmarkerlinesymbollayer.py

示例9: testWidth

    def testWidth(self):
        ms = QgsMapSettings()
        extent = QgsRectangle(100, 200, 100, 200)
        ms.setExtent(extent)
        ms.setOutputSize(QSize(400, 400))
        context = QgsRenderContext.fromMapSettings(ms)
        context.setScaleFactor(96 / 25.4)  # 96 DPI
        ms.setExtent(QgsRectangle(100, 150, 100, 150))
        ms.setOutputDpi(ms.outputDpi() * 2)
        context2 = QgsRenderContext.fromMapSettings(ms)
        context2.setScaleFactor(300 / 25.4)

        s = QgsFillSymbol()
        s.deleteSymbolLayer(0)

        marker_line = QgsMarkerLineSymbolLayer(True)
        marker_line.setPlacement(QgsMarkerLineSymbolLayer.FirstVertex)
        marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Triangle, 10)
        marker.setColor(QColor(255, 0, 0))
        marker.setStrokeStyle(Qt.NoPen)
        marker_symbol = QgsMarkerSymbol()
        marker_symbol.changeSymbolLayer(0, marker)
        marker_line.setSubSymbol(marker_symbol)

        self.assertEqual(marker_line.width(), 10)
        self.assertAlmostEqual(marker_line.width(context), 37.795275590551185, 3)
        self.assertAlmostEqual(marker_line.width(context2), 118.11023622047244, 3)

        marker_line.subSymbol().setSizeUnit(QgsUnitTypes.RenderPixels)
        self.assertAlmostEqual(marker_line.width(context), 10.0, 3)
        self.assertAlmostEqual(marker_line.width(context2), 10.0, 3)

开发者ID:manisandro，项目名称:QGIS，代码行数:31，代码来源:test_qgsmarkerlinesymbollayer.py

注：本文中的qgis.core.QgsMarkerLineSymbolLayer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。

鲜花

握手

雷人

路过

鸡蛋

该文章已有0人参与评论

请发表评论

全部评论

专题导读

More+

10-27 六六分期app的软件客服如何联系？(六六分期

11-06 可心卡盟:win10系统火狐flash插件崩溃怎么

11-06 亲亲特价:怎么删除回收站图标

11-06 济南大学虚拟社区:鲁大师节能降温的具体办

11-06 xlueops.exe:无线网络安装向导

11-06 女斗合众国:win7系统cf与主机连接不稳定怎

11-06 0xc000022-[cf烟雾头]cf怎么调烟雾头

11-06 qizideyouhuo:应用程序无法正常启动0xc0000

11-06 ipz-185:win7系统vcf文件怎么打开

11-06 傻哥蹦迪:win10系统s4怎么打开usb调试

11-06 八神浩树gtaste:回收站清空了怎么恢复

11-06 妖尾之黑色守护:win10系统电脑没有1440x900

11-06 校园至尊魔王小说:win7系统浏览网页时字体

11-06 女斗合众国:win10系统访问共享文件夹提示请

11-06 tokyo hot n0654:恢复win7系统默认字体一招

11-06 雨酷仙境:设置win7系统转移临时文件夹腾出

11-06 阿穆纳伊之杖:win7系统开始菜单在右边还原

11-06 tunespotting:win10系统火狐flash插件总是

11-06 甘尔葛分析师：计谋网站seo关键词暴涨有什

11-06 蔡贵霖: 计谋网站seo关键词暴涨有什么秘密

11-06 博益网首页:ao3网页版进入不了解决方法

11-06 漏斗子专栏: 网站数据分析小白易懂精华篇

11-06 见证双虹怎么做:win7系统开启telnet命令的

11-06 颾狐蝶蜋:系统资源不足无法完成请求的服务

11-06 国光中学校歌:提交网站到alexa查询详细步骤

11-06 西安有情天:静态网页和动态网页的区别

11-06 红木雅尚斋:外部链接构造对网站的好处

11-06 前官礼遇：防止域名劫持–增强域安全性的10

11-06 密传二转答案: 中文分词算法有哪些

11-06 金泉家园邮编:百度快照劫持的表现及应对方

Python core.QgsMarkerSymbol类代码示例发布时间：2022-05-26

Python core.QgsMargins类代码示例发布时间：2022-05-26

Python util.grid_equal函数代码示例

1 Python 入门教程

Python入门教程 Python 是一种解释型、面向对象、动态数据类型的高级程序设计语言。 P

阅读：13787|2022-01-22

2 Python wikiutil.getFrontPage函数代码示例

Python wikiutil.getFrontPage函数代码示例

阅读：10177|2022-05-24

3 Python 简介

Python 简介 Python 是一个高层次的结合了解释性、编译性、互动性和面向对象的脚本

阅读：4074|2022-01-22

4 Python tests.group函数代码示例

Python tests.group函数代码示例

阅读：4039|2022-05-27

5 Python util.check_if_user_has_permission

Python util.check_if_user_has_permission函数代码示例

阅读：3832|2022-05-27

6 Python 操练实例98

Python 练习实例98 Python 100例题目：从键盘输入一个字符串，将小写字母全部转换成大

阅读：3508|2022-01-22

7 Python 环境搭建

Python 环境搭建本章节我们将向大家介绍如何在本地搭建 Python 开发环境。 Py

阅读：3029|2022-01-22

8 Python output.darkgreen函数代码示例

Python output.darkgreen函数代码示例

阅读：2646|2022-05-25

9 Python 基础语法

Python 基础语法 Python 语言与 Perl，C 和 Java 等语言有许多相似之处。但是，也

阅读：2636|2022-01-22

10 Python 中文编码

Python 中文编码前面章节中我们已经学会了如何用 Python 输出 Hello, World!，英文没

阅读：2293|2022-01-22

客服电话

电子邮件

Python core.QgsMarkerLineSymbolLayer类代码示例

示例1: testPartNum

示例2: testMarkLineUnitPixels

示例3: testForceRHR

示例4: testNoPoint

示例5: testMarkerAverageAngleRing

示例6: testQgsMarkerLineSymbolLayer

示例7: testMarkLineUnitDefault

示例8: testRingFilter

示例9: testWidth

请发表评论

全部评论

上一篇：

下一篇：

Python util.grid_equal函数代码示例

Python util.get_worker_name函数代码示例

Python util.get_webmention_target函数代

Python util.get_uuid函数代码示例

Python util.get_type_by_name函数代码示例

Python util.grid_equal函数代码示例

Python util.get_worker_name函数代码示例

Python util.get_webmention_target函数代

Python util.get_uuid函数代码示例

Python util.get_type_by_name函数代码示例

Python util.get_stdout函数代码示例

关于我们

产品与服务

解决方案

139-2527-9053