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Re: A question about map projection [message #61990 is a reply to message #61989]

Sun, 17 August 2008 18:27

xiao zhang
Messages: 81
Registered: June 2008

Member

On Aug 17, 7:43 pm, David Fanning <n...@dfanning.com> wrote:
> xiao writes:
>> HI~ All ~ I am trying to a image in Polar Stereographic projection but
>> it is not in the right position. My code is like this: And when I
>> tried to change the values of lat_min, lon_min ,lat_max and lon_max,
>> it does not help much. And I think i have to rotate the map or the
>> data with some angle. How can I full that ?
>
> Well, I can't tell about rotation, but the image is certainly
> not being positioned like you think it is, because you
> have crippled TVIMAGE by setting the TV keyword. So
> all the POSITION information is being ignored and it
> is acting like the smart TV command ITTVIS should implement.
>
> Try unsetting the TV keyword and see what happens.
>
> Cheers,
>
> David
>
> --
> David Fanning, Ph.D.
> Fanning Software Consulting, Inc.
> Coyote's Guide to IDL Programming:http://www.dfanning.com/
> Sepore ma de ni thui. ("Perhaps thou speakest truth.")

When i do not use the TV key word. it seems that a lot of data are
missing :(

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[Message index]

		Re: A question about map projection By: David Fanning on Sun, 17 August 2008 18:37
		Re: A question about map projection By: xiao zhang on Sun, 17 August 2008 18:27
		Re: A question about map projection By: David Fanning on Sun, 17 August 2008 17:43

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