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Re: How to display single orbits of satellite data in function graphics? [message #84105 is a reply to message #84104]

Tue, 30 April 2013 11:18

Mark Piper
Messages: 198
Registered: December 2009

Senior Member

On Tuesday, April 30, 2013 12:17:00 PM UTC-6, Mark Piper wrote:
> On Tuesday, April 30, 2013 10:56:08 AM UTC-6, David Fanning wrote:
>
>>
>
>> My first thought would have been to try to plot all points at once, with
>
>> a single Plot() command, without the loop. Did you try that?
>
>>
>
>
>
> As David suggests, vectorization is the IDL Way! Here's an example:
>
>
>
> IDL> x = randomu(1, n)*360
>
> IDL> y = randomu(2, n)*180 - 90
>
> IDL> z = floor(randomu(3, n)*256)
>
> IDL> tic
>
> IDL> p = plot(x, y, rgb_table=27, vert_colors=z, linestyle='none', symbol='+')
>
> IDL> toc
>
> % Time elapsed: 0.54600000 seconds.
>
>
>
> mp

Ooops, n = 1e3 in my example.

mp

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[Message index]

		Re: How to display single orbits of satellite data in function graphics? By: Jim Pendleton on Tue, 30 April 2013 13:29
		Re: How to display single orbits of satellite data in function graphics? By: Paul Van Delst[1] on Tue, 30 April 2013 13:24
		Re: How to display single orbits of satellite data in function graphics? By: Dick Jackson on Tue, 30 April 2013 11:50
		Re: How to display single orbits of satellite data in function graphics? By: Mark Piper on Tue, 30 April 2013 11:24
		Re: How to display single orbits of satellite data in function graphics? By: Mark Piper on Tue, 30 April 2013 11:18
		Re: How to display single orbits of satellite data in function graphics? By: Mark Piper on Tue, 30 April 2013 11:17
		Re: How to display single orbits of satellite data in function graphics? By: David Fanning on Tue, 30 April 2013 09:56
		Re: How to display single orbits of satellite data in function graphics? By: Paul Van Delst[1] on Tue, 30 April 2013 09:50
		Re: How to display single orbits of satellite data in function graphics? By: David Fanning on Tue, 30 April 2013 09:34
		Re: How to display single orbits of satellite data in function graphics? By: Paul Van Delst[1] on Tue, 30 April 2013 09:24
		Re: How to display single orbits of satellite data in function graphics? By: Paul Van Delst[1] on Wed, 01 May 2013 07:48

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