6.1.1.4.1.7. thyrsis.meshlayer.opengl_layer module¶
- class thyrsis.meshlayer.opengl_layer.OpenGlLayer(type_=None, name=None)¶
Bases:
qgis._core.QgsPluginLayer
Base class to encapsulate the tricks to create OpenGL layers Be careful, the layer is drawn in main thread due to current Qt limitations care must be taken not to stall the event loop while requesting a render job since since the rendering thread signal will not be passed to the main thread.
Child class must implement the image method
- LAYER_TYPE = 'opengl_layer'¶
- createMapRenderer(rendererContext)¶
create the renderer for the open_gl layer
- Parameters
rendererContext (QOpenGLContext) – openGL context
- Returns
OpenGlRenderer
- Return type
- draw(rendererContext)¶
This function is called by the rendering thread. GlMesh must be created in the main thread.
- Parameters
rendererContext (QOpenGLContext) – openGL context
- Returns
success state
- Return type
bool
- image(rendererContext, size)¶
This is the function that should be overwritten the rendererContext does not have a painter and an image must be returned instead
- Parameters
rendererContext (QOpenGLContext) – openGL context
size (QSize) – size
- setTransformContext(context)¶
Contains information about the context in which a coordinate transform is executed. UNUSED
- class thyrsis.meshlayer.opengl_layer.OpenGlLayerType(type_=None)¶
Bases:
qgis._core.QgsPluginLayerType
Type for opengl layer
- createLayer()¶
Create a OpenGlLayer
- Returns
OpenGlLayer
- Return type
- showLayerProperties(layer)¶
Open the mesh layer property dialog
- Parameters
layer (QgsMapLayer) – QgsMapLayer
- Returns
success state
- Return type
bool