The rasterising tag has no wiki summary.
0
votes
1answer
42 views
Rasterize vector layers with different extents into identical raster grids with QGIS
I am working on a quite simple spatial potential analysis using QGIS. I have some ArcGIS knowledge, but I am new to QGIS.
My task is to identify the functional inner city of a region based on ...
1
vote
1answer
73 views
R: data.frame to raster object error
I have a data.frame consisting of a points with an associated continuos value and their X,Y coordinates. Altough it's not stored anywhere it's projection is a Lambert conformal conic. I think this is ...
2
votes
2answers
1k views
How to convert a point grid to a raster?
If I load the original .csv file, I then have a map of the African continent represented by 14069 data points covering it at 40x40km resolution. Each data point shows solar radiation means across the ...
6
votes
2answers
246 views
Convert several SpatialPointsDataFrames to raster
There are 100 SpatialPointsDataFrames in my Workspace. I loaded them on this way:
filenames <- list.files(path="",
pattern="XYhectareTravelTimes_ez+.*shp")
for(i in ...
0
votes
1answer
433 views
How to convert a regular point grid to raster? [duplicate]
Possible Duplicate:
How to convert a point grid to a raster?
I´d like to convert a regular grid (25 meter) of points (XYZ) to a raster. I have tried the GRASS-tool r.in.xyz but I always get ...
5
votes
1answer
531 views
GDAL RasterizeLayer Doesn't Burn All Polygons to Raster
I am trying to burn a shapefile to a raster using GDAL's RasterizeLayer. I pre-create an area of interest raster from a different shapefile, given a specific pixel size. This AOI then serves as a base ...
3
votes
0answers
121 views
Area-weighted rasterising of polygon data
I'm looking for any GIS tool to do detailed rasterising of polygons. I've checked GDAL's gdal_rasterize command (and API), and ArcGIS's Polygon to Raster tool, but they only rasterise 1 attribute per ...
7
votes
3answers
456 views
Creating raster or vector raster from DEM point file?
i have a point shape of 75.000 elevation points in a regular 5 m grid.
We now want to create a polygon grid with the elevation points as "centroids".
Unfortunately, all attempts to do so fail:
I ...
4
votes
1answer
72 views
Rasterise heights from a 3D linestring
I have a 3D network of streams represented using linestrings with Z-coordinates. I would like to rasterise this feature, where the raster values represent the linearly interpolated Z-values between 3D ...
