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IWR1843AOP: How to read heatmaps on 3D people counting Demo?

Part Number: IWR1843AOP

Tool/software:

In 3D People Counting Demo Software Implementation Guide
e2e.ti.com/.../3D_5F00_people_5F00_counting_5F00_demo_5F00_implementation_5F00_guide.pdf

page 9

Radar Cube in L3 -> 2D Capon BF -> 2D Range-Azimuth Heatmap in L3 -> 2-pass CFAR -> Detection -> 2D Capon BF(1D Elevation Heatmap in L3, -> Range, Azimuth, Elevation BF Filter -> DopplerFFT

... -> Point Cloud -> UART

I want to all heatmaps.

In my configuration, radarCube datasize very huge. so I want to read the heatmaps instead of radarcube

If I can't get all the heatmaps at once,
In dynamic,  I'd like to get each dynamicAngDopHeatmap & rangeAzimuthHeatMap.

Within the radarProcess.c file in src/dsss
It seems that radarCube is being processed within the DPU_radarProcess_process function.
Is it correct?

If that's the case, the range AzimuthHeatMap that I get from here
I would like to bring additional dynamicAngDopHeatmap to UART.

The point cloud value is stored in the pointer called pDataOut, but I want to add a variable to it and import it.
How can I do that? I need your help.