[OpenDroneMap-users] Mesh Plotter for LidarLITE

Andrew Jawitz andrewjawitz at gmail.com
Thu Nov 19 08:41:42 PST 2015


Hello All,
  I have an update and a question regarding my ongoing experimentation with
the LidarLITE...
  I've been searching and searching for months for a project sample that
uses the LL for 3D Mapping but apparently there were so many problems with
the original i2C library in particular that hardly anyone could get it to
work.  Finally, I found this tutorial-
http://myrobotlab.org/content/lidar-lite-distance-measurement-and-creating-point-cloud
<http://myrobotlab.org/content/lidar-lite-distance-measurement-and-creating-point-cloud>
 which seems to be a good starting point.  If you want a good chuckle check
out the comment thread which has all of these veteran robotics guys
scratching their heads trying to figure out how this guy got up and running
so easily.  FWIW it looks like the official documentation had just been
updated to include a recommendation for this alternate i2C Library-
http://www.dsscircuits.com/index.php/articles/66-arduino-i2c-master-library
  Ironically it only works with the original LL (which I have) and not the
updated "Blue Label" version...

  Anyway, after loading the alternate i2C Library, I managed to get the
sketch to compile on Arduino 1.6.6 and sure enough coordinates started
popping up on the serial monitor!  I can create a project gist with all the
code if others would like but for now you can find the sketch I'm using on
my sketchbook repo-
https://github.com/Cribstone/Arduino-Sketchbook/blob/master/LidarLitePointCloud/LidarLitePointCloud.ino
  If you were wondering where to find the source for the Processing Sketch
referenced in the article, I was able to find it here-
http://borsaci06.com/Plot_LidarScanner.pde
 While, I was able to compile this sketch in Processing 3.0, it threw out a
list of Java-related errors when I tried to start it(Enough to remind me
why I'll go so far out of my way to avoid Java)...

  So that leads to my question...  Would it be possible to plot point
clouds from an Arduino i2c/serial port using ODM in place of Processing?

*http://cribstone.github.io/about/* <http://cribstone.github.io/about/>
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