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Re: Diplay 2D data [message #57155 is a reply to message #57095]

Wed, 05 December 2007 01:05

lasse
Messages: 48
Registered: February 2007

Member

On 4 Dec, 20:43, pgri...@gmail.com wrote:
> Hi,
>
> I just want to point out that there exists an implementation in the
> solarsoft library (which admittedly require the whole library
> to be installed, as it calls many other routines) called spectro_plot,
> which also allows for logarithmic axis (which I think is a nice
> feature,
> and not easy to implement from scratch).

Well, using the POLYFILL approach you don't need to worry about that.
The PLOT, /NODATA, /YLOG command plots the coordinate system and then
POLYFILL figures out where to place the pixel, how high it is and so
on and so on. No fiddling with the original data required by the user,
IDL takes care of it.

Actually, I'm quite happy with my approach. I don't need to worry
about any padding, cropping, rebinning, logarithmic axis etc - which
is nice. The PostScript files get quite big, admittedly, but I can
gzip them, reducing the size by a factor of 15-20 as ps files are
ASCII files. In Windows I can still just double click on the .ps.gz
and GsView decompresses it automatically. And if need be the ps's are
readily converted to png to make them even smaller.

As I said, I just wanted to know what other people use.

Cheers
Lasse

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[Message index]

		Diplay 2D data By: lasse on Tue, 04 December 2007 02:26
		Re: Diplay 2D data By: lasse on Wed, 05 December 2007 01:05
		Re: Diplay 2D data By: pgrigis on Wed, 05 December 2007 11:23
		Re: Diplay 2D data By: Brian Larsen on Tue, 04 December 2007 12:52
		Re: Diplay 2D data By: pgrigis on Tue, 04 December 2007 12:43
		Re: Diplay 2D data By: Brian Larsen on Tue, 04 December 2007 12:13
		Re: Diplay 2D data By: wlandsman on Tue, 04 December 2007 11:12
		Re: Diplay 2D data By: lasse on Thu, 06 December 2007 02:36

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