QtVp is a widget library for viewports that manage coordinate system transformations.
QtVp is a Qt 5.0.1 library for creating and maintaining graphical widgets that manage world coordinate systems.
QtVp provides the following features:
- Translations between device and world coordinate stystems.
- Customizable grid.
- Customizable horizontal and vertical rulers.
- Support for zooming world coordinate system.
- Support for centering world coorinate system.
- Support for snapping coordinates to grid.
- Support for snapping rubberband feedback to grid.