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Re: Using TV command instead of contour [message #76953 is a reply to message #76865]

Tue, 12 July 2011 12:01

pgrigis
Messages: 436
Registered: September 2007

Senior Member

On Jul 12, 6:18 am, Amit <amisra.a...@gmail.com> wrote:
> Dear Friends,
>
> I have a data in form of flags, for example, dust=1,smoke=2 and so on.
> There cannot be numbers in between.
>
> The data is in the form of 2-dimensional array, with each cell
> corresponding to a latitude, longitude pair. I want to display it --
> the output would look something like a chess board. If I use the
> CONTOUR command, it interpolates at the boundaries, producing
> incorrect plots.
> This problem is solved if I use TVIMAGE program. However, I cannot
> pass the latitude,longitude data to the command (like CONTOUR). Can
> anyone suggest me how to use TVIMAGE or TV in a way similar to
> CONTOUR?

The program pg_plotimage can be called similarly to contour:

http://hea-www.cfa.harvard.edu/~pgrigis/idl_stuff/pg_plotima ge.pro

pg_plotimage,image,x,y

where image is a n by m array, x an n array and y an m array.

Ciao,
Paolo

>
> Thanks for your help
> Amit

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[Message index]

		Using TV command instead of contour By: Amit on Tue, 12 July 2011 03:18
		Re: Using TV command instead of contour By: Amit on Thu, 14 July 2011 23:58
		Re: Using TV command instead of contour By: pgrigis on Thu, 14 July 2011 14:06
		Re: Using TV command instead of contour By: Amit on Wed, 13 July 2011 12:25
		Re: Using TV command instead of contour By: Amit on Wed, 13 July 2011 12:22
		Re: Using TV command instead of contour By: pgrigis on Wed, 13 July 2011 08:55
		Re: Using TV command instead of contour By: KRDean on Wed, 13 July 2011 08:21
		Re: Using TV command instead of contour By: Amit on Wed, 13 July 2011 05:21
		Re: Using TV command instead of contour By: pgrigis on Tue, 12 July 2011 12:01
		Re: Using TV command instead of contour By: Brian Wolven on Tue, 12 July 2011 11:08

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