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Q: 

simple input/output question in MATLAB

Hi all,

I've recently upgraded my Matlab from 6.5 to 7.7 and am also using the Image and Mapping toolboxes as well as a few others. What I'm currently trying to do is bring up-to-date a few of the M scripts in order for them to take a file in, keep it's projection and export the same image. I'm inheriting most of the code which I'm currently editing, so most of these questions may seem basic, but being pointed in the right direction is very appreciated.

  1. In 6.5, I was inputting a u16 TIFF and exporting the same. Currently, I'm trying to input a f32 TIFF (original file is a DEM in GRID format) and export the same, but what's still coming out is u16. Is this normal or is there a way to get it out as a f32 TIFF?

  2. Coding-wise, can Matlab read in a TIFF World file in order to keep the projection for the output image?

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