| how do i read compressed tiff files? [message #14088] |
Mon, 25 January 1999 00:00  |
L. Charles Burgwardt
Messages: 4
Registered: January 1999
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Junior Member |
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How do i read a compressed tiff file in IDL?
When I try to read a compressed file from either the command line of in
a program I get this error message:
IDL> image=READ_TIFF(filename,r,g,b)
% READ_TIFF: READ_TIFF: Images must be un-compressed
% Error occurred at: READ_TIFF 268
C:\RSI\IDL50\lib\read_tiff.pro
% $MAIN$
% Execution halted at: $MAIN$
Charlie B.
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| Re: how do i read compressed tiff files? [message #14153 is a reply to message #14088] |
Tue, 26 January 1999 00:00  |
Burgwardt
Messages: 1
Registered: January 1999
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Junior Member |
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David,
No I am afraid I have version 5.02. I am in communication with rsinc about it.
By the way i tried the triangulation command to find perimeter and couldn't
get it to work right. That last number it returns: boundary, is way too big.
It turns out convex hull is not what I want anyway. I want the count of
boundary pixels including those along the edge of a notch in the boundary -
and convex hull won't give me that, it spans the opening of the notch. I came
up with a way to shift my connected component one pixel up, down, right, left,
and identify 4-neighbor boundary pixels that way.
I would like to understand the boundary component of the triangulation command
better though.
Charlie B.
David Fanning wrote:
> L. Charles Burgwardt (burgward@kodak.com ) writes:
>
>> How do i read a compressed tiff file in IDL?
>> When I try to read a compressed file from either the command line of in
>> a program I get this error message:
>>
>> IDL> image=READ_TIFF(filename,r,g,b)
>>
>> % READ_TIFF: READ_TIFF: Images must be un-compressed
>
> Is this IDL 5.2, which is the first version of IDL
> to support compressed TIFF files?
>
> Cheers,
>
> David
--
Charlie B.
To reply by e-mail remove the spam block (SB) from my address.
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