[gdal-dev] gdalwarp/gdalmerge overlapping single band gtiffs

2015-07-24 Thread Gareth Grewcock
Hi - I'm having difficulties with warping or merging overlapping single band gtiffs (where the input tifs bounding box overlap) When using gdalwarp: I achieve the desired output extent of both tifs however, the data range of the output tif is 0 to 0 (min and max values are both 0). It appears to

Re: [gdal-dev] Hillshade | Raster Band Rendering

2015-03-23 Thread Gareth Grewcock
Hi - I really appreciate all of your help so far. I am still looking into this though but will get back to you as soon as I have a solution. Cheers - Gareth On Wed, Mar 18, 2015 at 6:17 PM, Joaquim Luis wrote: > My objective is to create a hillshaded color-relief image of a DEM using > command

[gdal-dev] Hillshade | Raster Band Rendering

2015-03-18 Thread Gareth Grewcock
Hi - firstly, apologies if the gdal-dev mailing is not the appropriate mailing list, please advise a more suitable place to post if so. My objective is to create a hillshaded color-relief image of a DEM using commandline/programmatic means only, so the process can be automated and combined withi