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QGIS: remove overlapping areas and fill gaps with the Processing toolbox

QGIS: remove overlapping areas and fill gaps with the Processing toolbox

In polygon vector layers it is not unusual to find overlapped areas and gaps, especially if they were digitized without using the snapping or other editing tools that allow to avoid such errors. If this kind of errors are not too big they can all be easily removed using the QGIS Processing toolbox, specifically using one of the GRASS modules ...

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QGIS tutorial : Parcel Editing

QGIS tutorial : Parcel Editing

By using “snapping” and “topology”, editing parcels or other layers with shared geometries, becomes much simpler in QGIS. In this episode you will learn how to turn snapping and topological editing on, and how it works. You will also see that you may run into problems, but you will also learn how to work around these problems.

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QGIS 2.8 Quick Tip : CAD tools

QGIS 2.8 Quick Tip :  CAD tools

In this episode I look at new features in QGIS 2.8 – Snapp to all layers – Temporary Scratch Layers – Advanced Digitizing panel – CAD tools The shortcuts for the panel are: x – set focus to x field y – set focus to y field a – set focus to angle field d – set focus to distance ...

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ArcGIS Vs QGIS: Which Is Better For Biologists?

ArcGIS Vs QGIS: Which Is Better For Biologists?

When selecting GIS software, there are two main choices for biologists. These are the commercial package ArcGIS and the open-source, freely available package QGIS. This video provides a brief comparison of some of the key benefits and limitations of these two alternatives, and provides advice on which is best for biologists. This video is presented by Dr Colin D. MacLeod, ...

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