Tagged Questions
1
vote
0answers
81 views
How to handle/ avoid intersect errors when clipping the difference between two layers?
Using QGIS + Grass, I've added a shapefile of coastline and islands to my map.
I then buffer this shapefile to create a coastal zone of a known width. At this stage the buffer consists of the ...
2
votes
2answers
209 views
How to single out country data from a world data map?
Say that i have two "data sources";
A global map of average wind speeds,
A shape file (or similar information) of all country borders in the world.
How do i combine these two sources and extract ...
1
vote
2answers
240 views
count features in polygon shapefile A that fall within each feature of polygon shapefile B
I have two polygon shapefiles, each of which contain multiple (possibly overlapping) polygons.
Is there some way, using GRASS, to calculate the number of polygons belonging to shapefile A that fall ...
