Re: TIFF file specification
- To: mathgroup at smc.vnet.net
- Subject: [mg100287] Re: TIFF file specification
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Sun, 31 May 2009 06:33:36 -0400 (EDT)
- References: <gvq099$mqc$1@smc.vnet.net>
Hi, the new command is ImageData[Import["imagefile", "TIFF"]] The old version returned an Graphics[Raster[bitmapdata,__],__] the new version return Image[bitmapdata,___] Regards Jens beryllium-10 wrote: > Several years ago I wrote a Mathematica 5.0 program to find and > extract parts of bitmap tiff images (lines representing the horizon in > fisheye photos of the sky). I used to open the bitmap array (i.e. an > R x C list, where R is the pixel height of the image and C its pixel > width) with the command: > > Import["imagefile", "TIFF"][[1,1]]; > > I recently tried to use my program in Mathematica 7.0 and it seems the > TIFF format that Mathematica is expecting has changed. I now have to > import element [[1]] of the file, not element [[1,1]]. i.e. the new > command to extract the array is: > > Import["imagefile", "TIFF"][[1]]; > > This is not a big problem, but I cannot find when Wolfram changed the > format that Mathematica expects to see for a TIFF file, and whether > anything else in the specification changed. Can anyone point me at > Mathematica documentation on this change? I want to be sure that > nothing else changed (e.g. is Mathematica still reading the array from > bottom left to top right of the image, etc). > > Thanks in advance for any help on this, > > John Stone > Earth & Space Sciences, University of Washington; stone(at)geology. > (washington).(edu) >