gnuplot-info

[Gnuplot-info] change view point in SVG 3d plots

[maitai <mai...@ex...>]

Hi, I created SVG 3d plots for some scientific data, and I need to be able to
rotate the 3d plot. I'd like to do that in the browser that displays the SVG
plot, using javascript to redraw the plot. I know that I could simply
re-generate the plot in gnuplot and setting different view points, but that
would be inefficient.

the problem is I don't know about graphics and I don't know well how to do
it. SVG stores the plot in DOM, and I want to apply the necessary transforms
to the elements in the DOM. But I'm not sure what these transforms
(transformation matrix? *) should be to rotate in 3d the plot. Has anyone
tried this with svg plots from gnuplot?

I know this question is not strictly on gnuplot. Nonetheless, I thought that
maybe someone here may have tried this. I couldn't find any examples on the
internet. I'd much appreciate any hints.  

Thanks 
Jose

PS: 
I attach a simple example svg plot: 
http://www.nabble.com/file/p20571954/sampleplot.svg sampleplot.svg 
transform matrix:
http://www.w3.org/TR/SVG/coords.html#EstablishingANewUserSpace

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[Gnuplot-info] Color plot : how to set zrange? (color range?)

[Julien D. <Jul...@da...>]

Hi everyone!

I am plotting 3D data on 2D (color plot )by using:
 >set pm3d map
 >splot data  using 1:2:3

I want to set the z range (color range)
so i use :
 >set zrange [0:1]

everything is fine if my data have point z>1 or else it is just  
ignoring my order!
Do you have any idea/recommendations?
How can I set this zrange ?

thanks a lot,

Julien

Re: [Gnuplot-info] Color plot : how to set zrange? (color range?)

[Hans-Bernhard B. <HBB...@t-...>]

Julien Derr wrote:
> I want to set the z range (color range)
> so i use :
>  >set zrange [0:1]

You're looking for "help cbrange"

Re: [Gnuplot-info] change view point in SVG 3d plots

[Hans-Bernhard B. <HBB...@t-...>]

maitai wrote:
> Hi, I created SVG 3d plots for some scientific data, and I need to be able to
> rotate the 3d plot. I'd like to do that in the browser that displays the SVG
> plot, using javascript to redraw the plot.

Sorry, but that's not possible.  It would require re-implementing the 
entire gnuplot in javascript.

SVG is a 2D data format.  There's no way to represent a third dimension, 
  thus no way to store the extra information needed to rotate the graph.