IMG2PNG, PDS/FITS to PNG conversion |
IMG2PNG, PDS/FITS to PNG conversion |
Feb 16 2008, 02:04 PM
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IMG to PNG GOD Group: Moderator Posts: 2251 Joined: 19-February 04 From: Near fire and ice Member No.: 38 |
I decided to create a special thread for this topic. Previously information on IMG2PNG was scattered across various threads here.
I new version of IMG2PNG is now available. For those that don't know, this is a command line uitility that can convert various PDS formatted files to PNGs (8 or 16 bits per pixel depending on the input files). This utility should work for lots of different PDS files, e.g. MER, Pathfinder, Voyager, Galileo, Cassini, Stardust, various Mars orbiters, Mariner 9/10 (!), Viking Orbiter, Viking Lander, Magellan, Clementine, Messenger, New Horizons etc. The major new feature in the new version is the ability to convert FITS files. IMG2PNG can be downloaded by visiting http://www.mmedia.is/bjj/utils/img2png Any information on possible bugs welcome. |
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Mar 6 2017, 11:14 PM
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IMG to PNG GOD Group: Moderator Posts: 2251 Joined: 19-February 04 From: Near fire and ice Member No.: 38 |
I took a look at this and it's a bug in IMG2PNG that should soon be fixed. The problem is that 'normal' images usually do not contain signed data (and therefore no negative values) but this is a DEM and DEMs obviously can contain negative values. IMG2PNG recognizes some files as DEMs and handles them correctly but this DEM is 'unknown' to IMG2PNG. I'll probably add a new command line parameter to make it possible to tell IMG2PNG that the input file is a DEM in case IMG2PNG doesn't correctly recognize it as a DEM.
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