Quick temporary fixes for 2D/3D grid updating/scaling#130

Merged

micah-huth merged 3 commits intomasterfrom

Sep 4, 2020

Commits on Sep 4, 2020

Fixed 3D planes being visible in 2D
micah-huth
committed
Quick fix for 2D grid scale. Needs better update later.
micah-huth
committed
Merge branch 'master' of https://github.com/petercorke/robotics-toolbox-python into micah-dev
micah-huth
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