OAT spectral map (colormap) to a 3D graph

[IYED]

hello ;

sorry for my english

my probleme is how to plot a colormap (OAT spectral map .vi output "sound and vibration module")  in 3D surface graph my inputs are scaled signal and speed profile and my output is a colormap value I can plot this in 2D colormap

graph without any probleme but I can not in 3D  Please I need help

[C-Dav]

Hello IYED,

The Colormap you have there is actually 3 dimensions.  The X and Y axes are dependent upon what you select in the Colormap VI (like frequency, speed, time, or  order), and the color spectrum itself is the third dimension (usually amplitude).

In the above plot, the three dimesions are Speed (X), Frequency (Y), and Amplitude (Z, color spectrum).  If you aren't seeing the color spectrum, could you post an image of the front panel graph?

Also, usually when you drop an OAT Spectral Map.vi, there will be a selector where you can choose "colormap".  Take a look at the example "Colormap (offline).vi" in the LabVIEW Example Finder to see how to implement a 3D colormap.

[IYED]

Hello C-Dizzle my colormap graph works very well in front panel but my probleme is how to plot this same result in a 3D surface graph, normally I need x vector y vector and a z matrix but property node of  OAT spectral map did not

provide this  any help please !!!

thank you

[C-Dav · Accepted solution]

IYED,

If you wanted to parse the data out of the colormap VI into an X vector, Y vector, and Z matrix, you could use it with this plot type.  As the colormap VI is written, it displays a 2D plot where the third dimension is the color spectrum.

This community example extracts the data for you, you would just need to connect it to the Spectral Graph:

https://decibel.ni.com/content/docs/DOC-24070

like this:

[IYED]

Thank you