[Paraview] 3d scatterplot

[Utkarsh Ayachit]

ParaView currently only supports coloring with numerical values. I'd
suggest adding another row to the CSV to map the "type" to integers
and then use categorical colors [1] to label the colors appropriately.


Utkarsh
[1] http://www.kitware.com/blog/home/post/582

On Thu, Sep 25, 2014 at 6:25 PM, Fernando Hayashi Sant Anna
<fhsantanna at yahoo.com.br> wrote:
> Hi everyone.
> I am trying to make a 3D Scatterplot from a principal component analysis
> data.
> Above I present the general format of my cvs table:
>
> type,PC 1,PC 2,PC 3
> s35,-1.1678,-0.81478,0.61832
> s35,-0.54306,-0.52355,0.4743
> s35,-1.4862,-0.67112,0.24996
> s35,-1.5646,-0.43992,0.37869
> s35,-3.6895,-0.3267,-0.90597
> s35,-3.2705,-0.34452,-0.47978
> s35,1.5185,-0.53932,0.57408
> Bacillus,0.5931,0.25691,-0.47788
> Bacillus,0.67359,-0.012615,-0.29663
> Bacillus,0.80718,0.13031,-0.34567
> Bacillus,1.0766,-0.052194,-0.36311
> Bacillus,1.6975,-0.11165,-0.15835
> Bacillus,0.44962,0.2936,-0.42939
> Bacillus,1.3748,-0.0011358,-0.36139
>
> Here is what I tried so far:
> I loaded the table and activated the filter "Table to points". For each axis
> (XYZ), I attributed a PC column ( X=PC1, Y=PC2 and Z=PC3). After clicking in
> "Split horizontal" and "3D view", I got a 3D scatterplot.
> The problem is that I can't color the points based on the variable "type".
> In properties,  In the color scale editor I attributed each value ("type")
> to a color, but it is not dysplayed in the scatterplot.
> Do you know what can I do?
>
> Thanks in advance.
>
> Fernando Hayashi Sant'Anna
> Doutor em Biologia Celular e Molecular
> Instituto de Recursos Naturales y Agrobiología de Sevilla
> Av. Reina Mercedes, 10. Sevilla, España.
>
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