CloudComPy For Windows 10 - Anaconda3, Python 3.9 - December 5, 2021.

Please have a look at README for requirements.

This version brings the following features:

• Windows build: restructuration of CMakeSettings.json and build with Python 3.9
• complements on transformations methods (constructors, converters, data access, rotation operators...)
• conversion of a tranformation from double precision to simple precision
• delete entity method (warning: use with caution, no protection against a C++ object destruction while there are still Python objects handling the deleted object!)
• complements on Polyline methods
• addChild method for entities
• a minimal bounding box function (find a rotation that minimise the bounding box Ox,Oy,Oz) written with CloudComPy (see test026.py and tes027.py)
• better scripts to set the environment when running CloudComPy (enCloudCompPy.bat on Windows, condaCloud.sh on Linux)
• activate or deactivate c++ debug trace with environment variable _CCTRACE_=ON
• add IDE spyder and jupyter on conda environments (exemple of jupyter notebook in doc/samples)
• README restructuration