Rotation:
- Add a private attribute Vector to store the direction of the rotation, and manage not to erase this direction when the angle id 0.
- Add a private attribute to store the angle as defined (no modulo etc)
- Keep the quaternion for calculations
PropertyGeo
- Saves the rotation with angle and direction instead of saving the quaternion.
- Attribute name chosen: Ox, Oy and Oz for the coordinates of the axis and A for the angle in radians. This has to be validated.
- Backward compatibility with the saved files with quaternion (test presence of A to determine which of the Quaternion (old way) or the direction and angle is stored (new way). New files can be opened by old FreeCAD and vice-versa.
The only side effect I can imagine is that it was possible to set a vector to 0, 0, 0 if the angle was not 0, what is somehow non sense. Now when setting to 0, 0 0 the last not null vector is kept. The vector can not be null any longer.
Several typos and uniformity fixes.
Note:
*SCL/SimpleDataTypes.py is a upstream stepcode file whose fiz has been submitted upstream and accepted.
*the header of Tools/generateBase/generateMetaModel_Module.xsd had redundant data. It has been removed. Please double check it.
+ some are doxy others are just comment code.
+ some minor whitespace and grammatical tweaks.
+ app/SCL/* typos have also been submitted upstream (https://github.com/stepcode/stepcode/pull/366). So it's ok to merge them in to master.
During undo/redo the order in which objects are removed from a group and added to annother is arbitrary, hence it cannot comply to the single Group rule. Not echking for it in this case is unproblematic, as undo/redo only recrete former states, and those states have been checked in normal operation.
(this mostly aims at new modules and extension modules which want to use pip)
- any module having problems with nameclashes can use this syntax (from freecad import module)
- current imports still work (backward cobatibility)
- python extension moduels can be installed (pip) to python std path (eg.: site-packages)
- adding app, gui to the new freecad package:
```
from freecad import app
from freecad import gui
```
- syntax for importing c++ extension will not change
```
import FreeCAD as App
import FreeCADGui as Gui
```
