Geographers, Civil Engineers and many other professionals. If you are new in the field of Geographic Information System (GIS) you should consider learning this application, as it will help you to solve manycomplex problems, analyze area, create reportsetc. with just few clicks. Let me introduce...
I have 3 layers that sometimes have overlapping features. I need to use a thin outline style to interpret the area within the polygon and want to be able to see on the map when the features overlap. Think of it as 3 identical polygons. How can I style this? qgis polygon style over...
regardless of whether that buffer overlaps with the buffer from another polygon. I want to calculate this value for each polygon and append it as a column to the layer's attribute table (we'll call this column "raw_count"). Now
From there you have to add a percent attribute field and then use field calculator to divide whatever the polygon's area is by the earlier basin totals you came up with (note that may be more than one total). Then you'll need to flatten that down to a summary table, since you may ...
I have two shapefiles with polygons: one is regions for a country and the other is the protected areas inside that country. I have merged these two polygons with Union, but the regions and protected areas are currently overlapping. I would like the area where they overlap to be o...
For GRASS, this is a documented feature of v.in.ogr, and as said in the manual, in the case of overlapping polygons, the overlapping areas are given the catgories of both of the original imported polygons. So the solution would be to find the centroids with double categories and remove...