Skip To Main Content
Class QgsAnnotation PointTextItem on Muck Rack

Class QgsAnnotation PointTextItem

As seen in: CSDN
Is this you? As a journalist, you can create a free Muck Rack account to customize your profile, list your contact preferences, and upload a portfolio of your best work. Claim your profile

Get in touch with Class QgsAnnotation

Contact Class QgsAnnotation, search articles and posts on X, monitor coverage, and track replies from one place.

Learn more about Muck Rack

Actions

Share this page

Is this you?

As a journalist, you can create a free Muck Rack account to customize your profile, list your contact preferences, and upload a portfolio of your best work.
Claim your profile

Articles

Qgis二次开发-QgsMapTool地图交互工具详解_Mr.codeee的博客-CSDN博客

|
By setCentral Widget, void slotMove, Class QgsAnnotation PointTextItem, void slotDel
| CSDN
QgsMapTool地图工具是用于操作地图画布的用户交互式工具。例如，地图平移和缩放功能被实现为地图工具。 QgsMapTool是抽象基类，以下是类的继承关系： QgsMapToolEdit：用于编辑矢量几何图形的映射工具的基类 QgsMapToolEmitPoint：一个地图工具，当单击地图时，它只是发出一个点。 将一个槽连接到它的canvasClicked()信号将允许您为传入点实现自定义行为。 QgsMapToolExtent：地图画布上绘制矩形发出一个范围。 QgsMapToolIdentify ：用于识别图层特征的映射工具。 QgsMapToolPan：用于平移地图的地图工具。 QgsMapToolZoom ：用于放大/缩小地图的地图工具。 virtual void canvasDoubleClickEvent (QgsMapMouseEvent *e) 重写鼠标双击事件 virtual void canvasMoveEvent (QgsMapMouseEvent *e) 重写鼠标移动事件 virtual void canvasPressEvent...
Open in Who Shared Issue with article?
See all 1 articles