Lecture Autodesk inventor: 3D geometric transformations. In this chapter, students will be able to understand kinds of transformations: translation, rotation, reflection, scaling, shearing; AutoCAD transformation commands.
3D Geometric Transformations Kinds of Transformations Translation Rotation Reflection Scaling Shearing NOTES: • These transformations are an important component of computer graphics programming • Each transformation type can be expressed in a (4 x 4) matrix, called the Transformation Matrix Translation Moving the object from one position to another Rotation Rotating the object about an axis Reflection Mirroring an object about a plane Scaling Reducing or enlarging the object Shearing Moving selected vertices of an object linearly along an axis AutoCAD Transformation Commands Geometric Transformation Translation Rotation AutoCAD Command Move and COpy Reflection ROtate and ROTATE3D MIrror and MIRROR3D Scaling SCale Shearing STRETCH Rotations – Positive and Negative Rotations – Positive about x,y,z Multiple Rotations 3D Transformations The End ... AutoCAD Transformation Commands Geometric Transformation Translation Rotation AutoCAD Command Move and COpy Reflection ROtate and ROTATE3D MIrror and MIRROR3D Scaling SCale Shearing ...Kinds of Transformations Translation Rotation Reflection Scaling Shearing NOTES: • These transformations are an important component of computer graphics programming... Rotations – Positive and Negative Rotations – Positive about x,y,z Multiple Rotations 3D Transformations The End