QgsRasterViewPort struct
This class provides details of the viewable area that a raster will be rendered into.
Contents
- Reference
The qgsrasterviewport class sets up a viewport / area of interest to be used by rasterlayer draw functions at the point of drawing to the screen.
Public variables
- QgsPointXY mBottomRightPoint
- Coordinate (in output device coordinate system) of bottom right corner of the part of the raster that is to be rendered.
- QgsCoordinateReferenceSystem mDestCRS
- Target coordinate system.
- QgsRectangle mDrawnExtent
- Intersection of current map extent and layer extent.
- int mHeight
- Distance in map units from bottom edge to top edge for the part of the raster that is to be rendered.
- QgsCoordinateReferenceSystem mSrcCRS
- Source coordinate system.
- QgsPointXY mTopLeftPoint
- Coordinate (in output device coordinate system) of top left corner of the part of the raster that is to be rendered.
- int mWidth
- Width, number of columns to be rendered.
Variable documentation
int QgsRasterViewPort::
Distance in map units from bottom edge to top edge for the part of the raster that is to be rendered.
Height, number of rows to be rendered