Archive for 'GIS'
QGIS Can Now Delete Columns In Shapefiles!
How many times have you opened a shapefile in QGIS, and found yourself wanting to be able to modify its schema? If you’re like me, it happens on a very regular basis! One of my major frustrations with QGIS is that I couldn’t do this without creating another copy of the shapefile. This seemed rather [...]
Posted: January 13th, 2012 under GIS.
Comments: 3
New “Control Rendering Order” Option in QGIS
I just downloaded the latest QGIS development build (1.9.90-9) and immediately noticed a significant change to the look of the layer legend pane. It now looks like this: You’ll see that it is split into two panes, with one called “Layers” and one called “Layer order.” Each now has a checkbox to “Control rendering order” [...]
Posted: December 1st, 2011 under GIS.
Comments: none
Map Books in QGIS
Have you ever wanted to automate the creation of a mapbook? Well, QGIS has a great plugin called EasyPrint that does just that! It makes the process simple and quick once you know how it works. I’ll try to explain exactly that below! Installation: EasyPrint is written by Stefan Ziegler, who we all owe a [...]
Posted: November 22nd, 2011 under GIS.
Comments: 5
QGIS Diagrams – Pie Charts for Symbols!
QGIS has a great feature that allows you to create pie charts for feature symbols! I have known about it for a while, but never really had the opportunity or reason to play with it. However, this post on gis.stackexchange.com prompted me to take a look. Here’s a quick summary of how the ‘Diagrams’ functionality [...]
Posted: November 1st, 2011 under GIS.
Comments: 2
QGIS Topological Editing
As we all know, there’s almost always more than one way to do something! In a previous post (QGIS Trace Edit Tool) I discussed how to use QGIS’ trace edit plugin to create a polygon adjacent to an existing polygon while ensuring that it is topologically correct. With a bit more experimentation, I’ve found a [...]
Posted: October 19th, 2011 under GIS.
Comments: 5
