HiRISE DEM's |
HiRISE DEM's |
Apr 13 2008, 10:46 AM
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#101
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Founder Group: Chairman Posts: 14434 Joined: 8-February 04 Member No.: 1 |
Late last week I stumbled upon a few HiRISE derived DEM's (Randy Kirk works his magic once again!)
http://webgis.wr.usgs.gov/ftphirise/index.jsp (URL now down) I'm working on both Vic Crater and the Columbia Hills. Fortunately, now I've got a Mac, I can use ISIS. I've figured out a fairly simple flow ( isis2raw as 16 bit unsigned, and then imported into Photoshop ) to take DEM CUB's and make 16 bit PNG's Just to demo how important that is for me as an animator - sliced comparisons of 8bit vs 16 bit. A busy week unfortunately, but animations of various sorts are in the pipeline. |
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Feb 23 2010, 12:38 PM
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#102
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Newbie Group: Members Posts: 19 Joined: 17-June 09 Member No.: 4825 |
I'm having some problems with the DTM .IMG files from the HiRISE site. It seems like the same (or similar) problem I was having back in page 4 of this thread.
I'm using the latest version of FWTools (2.4.7) and I can open up the .IMG in OpenEV. But I can't convert it to a .jpg, .bmp, .gif, or a .png file. It just says "unable to create output file...". When I try converting it to a .jp2 or a .tif file, it appears to work, but when I open the exported file into photoshop, it's completely black in the .tif file and completely grey in the .jp2. Does anyone have any idea what's going on? Is there something I need to do to it before exporting it to another file format? |
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