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Python Viewer.clear_layer_features方法代码示例

本文整理汇总了Python中viewer.Viewer.clear_layer_features方法的典型用法代码示例。如果您正苦于以下问题:Python Viewer.clear_layer_features方法的具体用法?Python Viewer.clear_layer_features怎么用?Python Viewer.clear_layer_features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viewer.Viewer的用法示例。


在下文中一共展示了Viewer.clear_layer_features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: EarthMineQGIS

# 需要导入模块: from viewer import Viewer [as 别名]
# 或者: from viewer.Viewer import clear_layer_features [as 别名]

#.........这里部分代码省略.........
        self.center_on_canvas()
        self.viewer.activelayercombo.setLayer(self.iface.activeLayer())

    def center_on_canvas(self):
        point = self.canvas.extent().center()
        transform = self.coordinatetransform()
        point = transform.transform(point, QgsCoordinateTransform.ReverseTransform)
        self.viewer.set_location(point)
        self.viewer.infoaction.toggle()

    def selection_changed(self, layer):
        ids = [feature.id() for feature in layer.selectedFeatures()]
        if not ids:
            self.viewer.clear_selection(layer.id())
        else:
            self.viewer.set_selection(layer.id(), ids)

    def layers_changed(self):
        layerstates = self.layers_with_states()
        for layer, visible in layerstates:
            layerid = layer.id()
            viewerloaded = self.viewer.layer_loaded(layerid)
            QgsMessageLog.instance().logMessage(layerid, "Earthmine")
            QgsMessageLog.instance().logMessage("Viewer State:" + str(viewerloaded), "Earthmine")
            QgsMessageLog.instance().logMessage("QGIS State:" + str(visible), "Earthmine")
            if (viewerloaded and visible) or (not viewerloaded and not visible):
                QgsMessageLog.instance().logMessage("Ignoring as states match", "Earthmine")
                continue

            if viewerloaded and not visible:
                QgsMessageLog.instance().logMessage(
                    "Clearing layer because viewer loaded and disabled in QGIS", "Earthmine"
                )
                self.viewer.clear_layer_features(layerid)
                continue

            if not viewerloaded and visible:
                QgsMessageLog.instance().logMessage("Loading layer", "Earthmine")
                self.load_layer_features(layers=[layer])
                continue

    def layers_removed(self, layers):
        for layerid in layers:
            self.viewer.clear_layer_features(layerid)

    @pyqtSlot(str, float, float)
    def viewChanged(self, event, yaw, angle):
        self.marker.setAngle(angle)
        self.marker.setYaw(yaw)

    @pyqtSlot(str, str)
    def getInfo(self, layerid, featureid):
        featureid = int(featureid)
        activelayer = self.iface.activeLayer()
        if not activelayer:
            return

        activetool = self.viewer.active_tool()
        if not activetool in ["Info", "Select"]:
            return

        # Only show information for the active layer
        if not layerid == activelayer.id():
            return

        layer = layer_by_id(layerid)
开发者ID:michaelborck,项目名称:earthmine-qgis,代码行数:70,代码来源:earthmine_qgis.py


注:本文中的viewer.Viewer.clear_layer_features方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,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。