Thanks again!
El 17/06/10 02:03, Mike Alger escribió:
>
> Pablo,
>
>
>
> I found the example on the svn
>
> http://matplotlib.svn.sourceforge.net/viewvc/matplotlib/trunk/matplotlib/examples/mplot3d/surface3d_demo3.py?view=log
> it will demonstrate the face colour thing but personally I found
> getting the rgb tuple data into an array a bit too complicated for my
> needs.
>
>
>
> Regarding that little SNAFU about the matrix size, I was half asleep
> and in a rush when I wrote the reply to your email, so I knew if I
> made a mistake it was in the interpretation there :D
>
> A slice, reshape function may be more efficient/ easier to read but
> I took the loop structure right from the plot surface command to make
> sure it was done exactly the same way as the 3d surface. It may be
> interesting to see which is more efficient computationally and see if
> there is an improvement to be made in the plot surface command
>
>
>
>
>
> *From:* Pablo Angulo [mailto:pablo.ang...@uam.es]
> *Sent:* June-16-10 9:07 AM
> *To:* Mike Alger
> *Cc:* matplotlib-users@lists.sourceforge.net
> *Subject:* Re: [Matplotlib-users] color in plot3d
>
>
>
> El 15/06/10 01:22, Mike Alger escribió:
>
> The way that color keyword is set up, it is dedsigned to take a color
> word or rgba tuple , (Reinier will know this better than me), however
> if you want to just assign colors based on a colour map you can take
> you color array and reshape the same way the plot surface command
> does then use surf.set_array()
>
>
> If I understand you correctly, you mean there is a way to use directly
> a map from two or three spatial coordinates into the three or four
> components of the color space?
>
> That's interesting. It might be limiting that this map has to factor
> as the composition of an scalar map and a color map, even for 2d plots.
>
>
>
> here is a snippet of the code I use to do this I am pretty sure it
> won’t run the way it is right now but the idea is buried in there
>
> Thanks, I got the idea!
>
>
>
> note that regmap xyz and costmapz are all the same size and are nxm
> matrices costmapout is a 2x(m.n) if i can do the math correctly
>
>
> One comment: from your code it seems that costmapout is a 1D array of
> lenght roughly equal (m*n)/scale**2 with the data coming from
> costmapz. Why don't you use a slice followed by a reshape command?
>
>
>
>
>
>
>
>
>
>
> No virus found in this incoming message.
> Checked by AVG - www.avg.com
> Version: 9.0.829 / Virus Database: 271.1.1/2942 - Release Date:
> 06/16/10 14:35:00
>
------------------------------------------------------------------------------
ThinkGeek and WIRED's GeekDad team up for the Ultimate
GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the
lucky parental unit. See the prize list and enter to win:
http://p.sf.net/sfu/thinkgeek-promo
_______________________________________________
Matplotlib-users mailing list
Matplotlib-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/matplotlib-users
