Product Back Log

GUI
- Ipad rotation.
- New edit dialog.
- Possibility to remove colors.
- Possibility to add custom constants (Theis' idea).
- Grid/Point/Solid view option.
- Fast implicit option.

BACKEND
- Axis labels.
- Bounding box.
- Otimization (Marching cubes).
- GPU Acceleration
- Freeze parametric first variabel to t, second variable to u.
- Support of spherical coordiantes.

Done-(and hopefully wokring)-LIST
- Performance optimization (when changing colors).
- Improved handling of visibility.
- Support of parametric functions.
- Support of implicit functions.
- Scroll-Wheel zooming.
- Function object refactoring.