The are 5 different modes to control the camera in 3D space. The red and green icons indicate that a mode either applies a perspective or orthographic projection. A subset of the following keyboard and mouse actions control the camera.
The left and right range sliders move the far and near clipping planes respectively. Press the SHIFT key to decrease the slider speed.
A mouse click locks a clipping plane to one of 4 available slots. The buttons on the left assign the near clipping plane and the ones on the right the far clipping plane. A double click clears the corresponding slot.
Change the point size within a predefined range
The bar on top changes the maximum number of points on display. The switch on the bottom toggles point rendering technique
Set the maximum point cloud resolution to be displayed
The left button toggles the light source and the right button hides/shows the currently filtered points.
The top slider filters points by elevation and the bottom slider by slope. Press the SHIFT key to decrease the slider speed.
Toggle between different point coloring techniques. Some color modes may not be available depending on the original point cloud. Gh, Gs and GI stand for height, slope and intensity gradients. CClass displays point classification.