Monthly Archives: January 2012

Script Runner: A Plugin to Run Python Scripts in QGIS

January 29, 2012
By
Script Runner: A Plugin to Run Python Scripts in QGIS

Following up on my last post, Running Scripts in the Python Console, I created a plugin to simplify running scripts: The Script Runner plugin allows you to add your scripts to a list so they are readily available. You can then run them to automate QGIS tasks and have full access to the PyQGIS...

Read more »

QGIS: Running Scripts in the Python Console

January 27, 2012
By
console_loading_of_shps

The QGIS Python console is great for doing one-off tasks or experimenting with the API. Sometimes you might want to automate a task using a script, and do it without writing a full blown plugin. Currently QGIS does not have a way to load an arbitrary Python script and run it1. Until it does,...

Read more »

Using the QGIS Raster Calculator

January 25, 2012
By
Using the QGIS Raster Calculator

The raster calculator allows you to perform mathematical operations on each cell in a raster. This can be useful for converting and manipulating your rasters. Operators include: Mathematical (+, -, *, /) Trigonometric (sin, cos, tan, asin, acos, atan) Comparison (, =, =) Logical (AND, OR) To perform operations on a raster or rasters,...

Read more »

QGIS Plugin of the Week: OpenLayers

January 14, 2012
By
QGIS Plugin of the Week: OpenLayers

This week we look at the OpenLayers plugin for QGIS. This plugin allows you to add a number of image services to your map canvas: Google Physical Streets Hybrid Satellite OpenStreetMap Yahoo Street Hybrid Satellite Bing Road Aerial Aerial with labels

Read more »

QGIS Plugin of the Week: Profile

January 6, 2012
By
QGIS Plugin of the Week: Profile

This week we take a look at a how to plot a terrain profile using the Profile plugin. The plugin can be used with any raster format supported by QGIS. You can can display profiles from up to three rasters at once, allowing you to compare the results. To illustrate, we’ll create a simple...

Read more »