The process of converting the geographic features on an analog map into digital format using a digitizing tablet, or digitizer, which is connected to a computer.

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Digitizing with OpenLayers Plugin seems incorrect

I am attempting to digitize some buildings based on floor plans using QGIS. To do this, I have taken the blueprints, georeferenced them against openlayers bing aerial plugin. I then digitized the ...
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29 views

Split/Erase/Differentiate polygon by polygon within a same layer

Is it possible to split a polygon with a polygon within the same layer in QGIS ? As in the image, i want the Polygon 2 to be split & the pointed area has to be retained as a separate polygon. ...
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31 views

Converting from Vector to Raster

I am still a beginner using QGIS 2.0.1-Dufour. The shapefiles are from British Ordnance Survey via Stanfords. I am doing a geographical/historical study on a village in Somerset, UK. I want to show ...
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35 views

Reshape tool stops working in QGIS 2

I am using QGIS 2 on Windows 7. I am reshaping some polygons which I am supposed to correct with the reshape tool in the "advancing digitization" bar (). Somehow, after some changes are made ...
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46 views

Line style width property not being applied in QGIS 2.0.1

I change the line width of my style and click apply, but the property does not seem to be applying to my line data.
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45 views

Polygon shading is darker in certain areas

When drawing in qgis i am encountering an error when drawing large polygons snapped to multiple points. Polygons that have this shading in certain areas are not displaying correctly in other ...
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155 views

Create new regions in layer by filling in between polylines on existing layer

I'm not sure if this is possible but would save me hours of work. I have a layer which consists of polylines. Most of those polylines bound areas; houses, roads, etc. Currently I am required to ...
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95 views

Draw lines for existing list of data

I have a csv file containing information for loads of lines (dates, road names, condition information, etc etc) but which have no geographical information (other than the association of road name) Is ...
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543 views

How to digitize a map in QGIS?

I am relatively new to QGIS and using it on windows vista. Problem: I have to digitalise an aerial map and then extract the coordinates. I have absolutely no idea how to start Thanking you in ...