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alg.c
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tif-cut.c
tif-cut.c
 
 

README.md

Example to cut georeferenced snipptes from a geotiff using plain C

Installation

The tool is addressed for a *UX/ *IX environment. Call the tool , the resulting binary will be in the directory . You will need BLAS, GSL and GDAL.

Purpose

The tool was created to cut more than on image subset given by a set if XY coordinates and an ID to strip samples with seabirds form survey images in one step.

The tool gdal_translate is a more versatile tool shipped with the GDAL software, if you don't need the multicut part.

Usage

 tif-cut IN OUT EXT SZ ID X Y ID X Y ID X Y

  • IN Infile GeoTiff

  • OUT Outfile GeoTiff without extention assuming '.tif'

  • EXT geotiff extention assuming .tif, the filenames for the output file will be pasted together with the ID and the extension

  • SZ Integer size of the squared window placed around the center point

  • ID an Integer ID like an database key pasted into the output file name

  • X World coordinate of the center point

  • Y World coordinate of the center point

Example

DPATH='../data'
APATH='./build'
$APATH/tif-cut $DPATH/dem.v2.3d.tif $DPATH/test .tif 200 1 399261.9 6039631.7
display $PATH/test.1.tif

License

tif-cut.c is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or any later version.

tif-cut.c is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with tif-cut.c. If not, see http://www.gnu.org/licenses/.