coordinate – weiy.city

CPlusPlus

VTK – Local To World Coordinate Transform

I write a article about how to create a local coordinate system for a dependent 3d model, LOCAL COORDINATE SYSTEM We can real value in world coordinate system of vector or point on 3D model. For example, I want to know unit vector on model’s X axis or point’s coordinate Read more…

By theArcticOcean, 6 years1 year ago

CPlusPlus

VTK – Local Coordinate System

We want to know the world coordinate of a point on a 3D widget event though we don’t know the widget’s position on the world coordinate system. I get a matrix from an actor and create a temporal vtkTransform object, then the function TransformDoublePoint can give me the real coordinate Read more…

By theArcticOcean, 6 years4 years ago