| Name |
Description |
| Command |
|
| DrawObject |
the class is designed to help draw the hints and the assistant lines of the curtain grid |
| GridCoordinates |
Maintain the matrixes needed by 3D & 2D operations: pan, zoom, 2D->3D, 3D->2D |
| GridDrawing |
Maintain the appearance of the 2D projection of the curtain grid and its behaviors |
| GridForm |
|
| GridGeometry |
manages the behaviors & operations of CurtainGrid |
| GridLine2D |
the 2D format for the curtain grid line, it inherits from the Line2D class |
| GridProperties |
stores all the properties of the curtain grid and manages the behaviors and operations of the curtain grid |
| Line2D |
a linear line in 2D point format |
| LineOperation |
stores the specified line operation |
| Matrix4 |
Matrix used to transform between ucs coordinate and world coordinate. |
| PointD |
the 2D point class which contains double value for its coordinates |
| SegmentLine2D |
the line class for the segment of grid line, it inherits from Line2D class |
| Unit |
Provides static functions to convert unit |
| Vector4 |
Vector4 is a homogeneous coordinate class used to store vector and contain method to handle the vector |
| WallBaseline2D |
the class stores the baseline data for curtain wall |
| WallDrawing |
maintain the baseline of the curtain wall |
| WallGeometry |
the class manages the creation operation for the curtain wall |
