QgsRasterViewPort Struct Reference

This class provides details of the viewable area that a raster will be rendered into. More...

#include <qgsrasterviewport.h>

Public Attributes
QgsPoint	mTopLeftPoint
	Coordinate (in output device coordinate system) of top left corner of the part of the raster that is to be rendered.
QgsPoint	mBottomRightPoint
	Coordinate (in output device coordinate system) of bottom right corner of the part of the raster that is to be rendered.
int	mWidth
	Width, number of columns to be rendered.
int	mHeight
	Distance in map units from bottom edge to top edge for the part of the raster that is to be rendered.
QgsRectangle	mDrawnExtent
	Intersection of current map extent and layer extent.
QgsCoordinateReferenceSystem	mSrcCRS
	Source coordinate system.
QgsCoordinateReferenceSystem	mDestCRS
	Target coordinate system.
int	mSrcDatumTransform
int	mDestDatumTransform

Detailed Description

This class provides details of the viewable area that a raster will be rendered into.

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.

Member Data Documentation

QgsPoint QgsRasterViewPort::mBottomRightPoint

Coordinate (in output device coordinate system) of bottom right corner of the part of the raster that is to be rendered.

QgsCoordinateReferenceSystem QgsRasterViewPort::mDestCRS

Target coordinate system.

int QgsRasterViewPort::mDestDatumTransform

QgsRectangle QgsRasterViewPort::mDrawnExtent

Intersection of current map extent and layer extent.

int QgsRasterViewPort::mHeight

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

QgsCoordinateReferenceSystem QgsRasterViewPort::mSrcCRS

Source coordinate system.

int QgsRasterViewPort::mSrcDatumTransform

QgsPoint QgsRasterViewPort::mTopLeftPoint

Coordinate (in output device coordinate system) of top left corner of the part of the raster that is to be rendered.

int QgsRasterViewPort::mWidth

Width, number of columns to be rendered.

---

The documentation for this struct was generated from the following file:

• /tmp/buildd/qgis-2.6.0+wheezy1/src/core/raster/qgsrasterviewport.h