| Re: i need help with imagemap [message #25517 is a reply to message #25426] |
Mon, 18 June 2001 10:02   |
Paul van Delst
Messages: 364
Registered: March 1997
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Senior Member |
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"Liam E. Gumley" wrote:
>
> alison lucie wrote:
>> i am a fairly new idl user and need some help.
>> i currently have images from the meteosat satellites, which i am
>> trying
>> to convert to latitude/ longtitude coordinates. i have managed to
>> create
>> arrays for the latitude and longtiude of each pixel, but this is as
>> far as i have got.
>> i have tried using liam gumleys imagemap program, but without success.
>> the most common complaint idl has with this
>> program is that i have reached the end of file before the end of the
>> program.
>> has anyone got any ideas what i might be doing wrong?
>> any help would be great.
>
> Hi Alison,
>
> I suspect the problem is caused by the method you are using to read the
> file. IMAGEMAP doesn't know anything about data files: it just plots
> arrays that already exist in memory.
Actually the error quoted, that IDL has "reached the end of file before the end of the
program" sounds more like a corrupted source code file with an unterminated (or
incorrectly terminated) control construct. I get that error sometimes when I quickly
fiddle with IF constructs when testing code.
It can be a bugger to find this stuff as IDL doesn't report a useful line number (it
reports the last END as where the error occurred.... which, strictly speaking, is correct
but not too helpful.)
But, without more info, the above is just a guess.
paulv
p.s. I use Liam's imagemap successfully all the time and wonder what is meant by "the most
common complaint idl has with this program..." What other complaints do you get, Alison?
--
Paul van Delst A little learning is a dangerous thing;
CIMSS @ NOAA/NCEP Drink deep, or taste not the Pierian spring;
Ph: (301)763-8000 x7274 There shallow draughts intoxicate the brain,
Fax:(301)763-8545 And drinking largely sobers us again.
Alexander Pope.
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