A utility used to merge small image tiles to create a bigger image

learn more… | top users | synonyms

0
votes
1answer
168 views

How to install gdal_merge to run with osgeo?

I recently installed OSGEO (http://download.osgeo.org/) which included python and gdal. I just realised however that there are many gdal libraries that were not included in this package for example ...
1
vote
0answers
169 views

Merge overlapping DEMs with irregular boundaries

I have a 10m DEM covering part of a state, a 20m DEM covering the whole state, and a 90m DEM covering the whole country. How can I merge them together, getting the best quality available in each area? ...
0
votes
0answers
51 views

gdal2tiles colorpallete error

merged few files using gdal_merge gdal_merge.py -pct -o 713.tif sa713.tif na713.tif wa713.tif ea713.tif When i try to make tiles it says gdal2tiles.py: error: Please convert this file to RGB/RGBA ...
0
votes
0answers
95 views

North aspect raster with QGIS Raster Calculator

I have QGis1.8.0-Lisboa and the Raster Terrain Analysis Plugin on Mac/OS. When I want to build a raster layer of an aspect group with the Raster Calculator (e.g.: "aspect@1>=45 AND aspect@1<135" ...
0
votes
0answers
105 views

gdal_merge.py aligns incorrectly at the seam of two GeoTiffs

I am trying to merge four GeoTiffs from the National Elevation Dataset (EPSG: 4269) into a 2x2 DEM using gdal_merge.py. For some reason, when it merges the upper two NED rasters, gdal produces a seam ...