Search Results
| Search type | Search syntax |
|---|---|
| Tags | [tag] |
| Exact | "words here" |
| Author |
user:1234 user:me (yours) |
| Score |
score:3 (3+) score:0 (none) |
| Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
| Views | views:250 |
| Code | code:"if (foo != bar)" |
| Sections |
title:apples body:"apples oranges" |
| URL | url:"*.example.com" |
| Saves | in:saves |
| Status |
closed:yes duplicate:no migrated:no wiki:no |
| Types |
is:question is:answer |
| Exclude |
-[tag] -apples |
| For more details on advanced search visit our help page | |
Results tagged with topography
Search options answers only
not deleted
user 19460
The study and mapping of land surfaces, including relief (relative positions and elevations) and the position of natural and constructed features.
17
votes
Accepted
Gdal: how to get the max and min altitudes of my topographic raster?
With bash alone, you can use :
gdalinfo -mm input.tif
It returns a range of infos within which is the string Computed Min/Max=-425.000,8771.000, for my Eurasian raster.
Some cleanup and you get your …
- 2,673
-1
votes
Topography: How to get the x,y,z coordinates of highest or lowest point/pixel of a raster GIS?
Since neither gdal_translate -stats SRTM_NE_250m.tif , nor gdalinfo -stats SRTM_NE_250m.tif, nor gdalinfo -mm SRTM_NE_250m.tif can work I think I have to iterare through the bitmap via a FOR_loop upon …
- 2,673
2
votes
Accepted
Where can I programmatically download SRTM_V4.1 data?
If ok to manage 872 tiles which can be later on unzip and gdal_merge, then :
wget -r --no-parent --random-wait --timestamping -A.zip http://gis-lab.info/data/srtm-tif/
or
curl -L 'http://gis-lab.i …
- 2,673
5
votes
Accepted
Gdal: How to get a pixel's value from raster image?
1. Get the pixels value: gdal's gdallocationinfo allow to access a pixel's value.
The gdallocationinfo utility provide a mechanism to query information
about a pixel given it's location in one o …
- 2,673