# Mixed Panel Geometry

**URL:** <https://rpi-rgb-led-matrix.discourse.group/t/mixed-panel-geometry/28>\
**Category:** Uncategorized\
**Created:** [December 3, 2020, 8:51am UTC](https://rpi-rgb-led-matrix.discourse.group/t/mixed-panel-geometry/28 "2020-12-03T08:51:26Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![marcmerlin](https://yyz2.discourse-cdn.com/free1/user_avatar/rpi-rgb-led-matrix.discourse.group/marcmerlin/32/40_2.png) [@marcmerlin](https://rpi-rgb-led-matrix.discourse.group/u/marcmerlin)\
**Post date:** [May 2, 2023, 3:37am UTC](https://rpi-rgb-led-matrix.discourse.group/t/mixed-panel-geometry/28/6 "2023-05-02T03:37:05Z")

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I’m not an expert, but I don’t think U mapper will know how many times the display is “folded”  
you can see some details on [rpi-rgb-led-matrix/examples-api-use at master · hzeller/rpi-rgb-led-matrix · GitHub](https://github.com/hzeller/rpi-rgb-led-matrix/tree/master/examples-api-use#remapping-coordinates)  
I think in your case, you can lie to the library and tell it you have 4 panels of 192x64  
P4  
^  
P3  
^  
P2  
^  
P1 (which is 192x64)  
Then you can use Vmapper to tell it your 4 virtual panels are stacked up and not horizontal

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