Open3D Controls

Mouse view control

Left button + drag : Rotate.
Ctrl + left button + drag : Translate.
Wheel button + drag : Translate.
Shift + left button + drag : Roll.
Wheel : Zoom in/out.

Keyboard view control

[/] : Increase/decrease field of view.
R : Reset view point.
Ctrl/Cmd + C : Copy current view status into the clipboard.
Ctrl/Cmd + V : Paste view status from clipboard.

General control

Q, Esc : Exit window.
H : Print help message.
P, PrtScn : Take a screen capture.
D : Take a depth capture.
O : Take a capture of current rendering settings.
Alt + Enter : Toggle between full screen and windowed mode.

Render mode control

L : Turn on/off lighting.
+/- : Increase/decrease point size.
Ctrl + +/- : Increase/decrease width of geometry.LineSet().
N : Turn on/off point cloud normal rendering.
S : Toggle between mesh flat shading and smooth shading.
W : Turn on/off mesh wireframe.
B : Turn on/off back face rendering.
I : Turn on/off image zoom in interpolation.
T : Toggle among image render: no stretch / keep ratio / freelystretch.

Color control

0..4,9 : Set point cloud color option.
0 - Default behavior, render point color.
1 - Render point color.
2 - x coordinate as color.
3 - y coordinate as color.
4 - z coordinate as color.
9 - normal as color.
Ctrl + 0..4,9: Set mesh color option.
0 - Default behavior, render uniform gray color.
1 - Render point color.
2 - x coordinate as color.
3 - y coordinate as color.
4 - z coordinate as color.
9 - normal as color.
Shift + 0..4 : Color map options.
0 - Gray scale color.
1 - JET color map.
2 - SUMMER color map.
3 - WINTER color map.
4 - HOT color map.