las

Simple LAS(LiDAR) particle rendering example with GUI support(bullet3's OpenGLWindow + ImGui).

Coordinates

Right-handed coorinate, Y up, counter clock-wise normal definition.

Requirements

• premake5
• OpenGL 2.x
• liblas
• lastools(laszip) (optional)

TODO

• Color

Build on Linux

Install liblas http://www.liblas.org/

Then,

$ premake5 gmake
$ make

Build on MacOSX

Install liblas using brew

$ brew install liblas

Then,

$ premake5 gmake
$ make

Please note that libas installed with brew does not support compreession(LAZ), thus if you want to use laz data, you must first decompress laz using laszip by building http://www.laszip.org/

Usage

Edit config.json, then

$ ./bin/native/Release/lasrender

Mouse operation

• left mouse = rotate
• shift + left mouse = translate
• tab + left mouse = dolly(Z axis)

Licenses

• btgui3 : zlib license.
• glew : Modified BSD, MIT license.
• picojson : 2-clause BSD license. See picojson.h for more details.
• ImGui : MIT license.
• stb : Public domain. See stb_*.h for more details.