Book Image

QGIS Python Programming Cookbook

Book Image

QGIS Python Programming Cookbook

Overview of this book

Table of Contents (16 chapters)
QGIS Python Programming Cookbook
About the Author
About the Reviewers

Chapter 4. Using Raster Data

In this chapter, we will cover the following recipes:

  • Loading a raster layer

  • Getting the cell size of a raster layer

  • Obtaining the width and height of a raster

  • Counting raster bands

  • Swapping raster bands

  • Querying the value of a raster at a specified point

  • Reprojecting a raster

  • Creating an elevation hillshade

  • Creating vector contours from elevation data

  • Sampling a raster dataset using a regular grid

  • Adding elevation data to line using a digital elevation model

  • Creating a common extent for rasters

  • Resampling raster resolution

  • Counting the unique values in a raster

  • Mosaicing rasters

  • Converting a TIFF image to a JPEG image

  • Creating pyramids for a raster

  • Converting a pixel location to a map coordinate

  • Converting a map coordinate to a pixel location

  • Creating a KML image overlay for a raster

  • Classifying a raster

  • Converting a raster to a vector

  • Georeferencing a raster from ground control points

  • Clipping a raster using a shapefile