2004.01.23 07:39 "Re: [Tiff] How to convert MINISBLACK to PHOTOMETRIC_RGB", by Andrey Kiselev
On Thu, Jan 22, 2004 at 10:48:14PM -0600, Pushkar Pradhan wrote:
When I create a subset image (to take only 3 bands out of 6) IMAGINE software creates a MINISBLACK TIF file (there seems to be no option to change this). This is what tiffinfo reports:
Sample Format: unsigned integer
Compression Scheme: None
Photometric Interpretation: min-is-black
Extra Samples: 2<unspecified, unspecified>
Orientation: row 0 top, col 0 lhs
Now I want to read this file in MATLAB whose TIFF reader is limited to reading RGB and PALETTED images (that too only 8-bit and 16-bit). Thus it only reads the 1st band of this file.
I saw there is utility pal2rgb but is there something similar to min-is-black images to RGB interpretation?
You can rewrite such files using GDAL software. I have implemented Photometric setting as an option to the TIFF driver per your recent request. You can try to do something like:
$ gdal_translate -of GTiff -co "PHOTOMETRIC=RGB" bad.tif good.tif
Don't forget that you will need latest GDAL snapshot.
Andrey V. Kiselev
Home phone: +7 812 5274898 ICQ# 26871517