• Calibration:  Make sure the room is well lit.  The App needs to be able to see texture on the floor.  If it is dark or an all white ground, it won't detect well.
  • Calibration:  Make sure the area that you "calibrate" on is a flat surface.
  • Measuring:  PLNAR is optimized for rooms < 25' (<8 meters) long.  Accuracy will degrade beyond that.
  • Measuring:  Walk around the room at around 4-6 feet away from each corner/door and then place the points
  • Vertical:  When establishing ceiling height, it is best to pick the segment that maps to the seam 
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