I have a polygon shape with buffers. However, the buffers are of different size from 4m radius to 15m. In total I have 7 different buffers. I have a landcover raster and I would like to extract ...
I am trying to extract values from my rasters : slope, aspect, landcover etc. for my animals group locations. I used Spatial analyst>Extract multi values to points but when I look in my attribute ...
I have a set of lat/long ccordinates for which I wanted to pull corresponding BioClim (1-19) values. I first used ArcMap, without interpolating, and came up with a set of data. I then used R's ...
I want to extract certain values of a raster image in order to create a new raster which then should only contain the extracted/chosen values. How to do this in QGis?
I have a flow accumulation grid and a shapefile containing catchment areas. Now I want to do some calculations on them so I need to extract data from cells in the raster adjacent to certain catchment ...
i have some srtm data which was converted to dted file with globalmapper or arcmap ascii to raster. i want to extract raster from vector with easy way.. i have tried "extract by mask" method but it ...