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Tag Archives: geometry
A short note on how to create a spatial table from a table with latitude and longitude coordinates in your SQLite / Spatialite database. In the example below, the table I am working with is ‘labels’.
What if you have a vector polygon layer and you want to add a column to the attribute table with the size (area) of each individual polygon? Very simple in QGIS, just go to the vector menu: vector | Geometry … Continue reading
A quick note on adding two columns with X and Y values in a vector layer in spatialite. Spatialite stores the information about the geometry in binary format in the ‘Geometry’ field. You can use the Spatialite function AsText() to … Continue reading