1trans->RotateZ(45);2trans->Translate(1,0,0);3coneActor->SetUserTransform(trans); 从两个结果可以看出,GetMatix和GetUserMatrix都是获取变换矩阵。所不同的是: GetMatrix始终都可以获取到值,也就是说它得到的是圆锥体在世界坐标系的变换矩阵。 GetUserMatrix在Code2中获取到了值,而在Code1中得到是NULL...
3、也可以设置矩阵乘法为右乘(PostMultiply),在齐次矩阵符号中,M = AM。 变换矩阵方式(SetUserMatrix) 1、右边代码将物体绕Z轴旋转45°,并移动到(50, 50, 50)处。 防止报错 1#include <vtkAutoInit.h>2VTK_MODULE_INIT(vtkRenderingOpenGL2);3VTK_MODULE_INIT(vtkInteractionStyle);4VTK_MODULE_INIT(vtkRe...
UserMatrix is one you can assign yourself to an actor or a top-level composite assembly of actors. Matrix is computed automatically from any position, rotation or scale the actor may have, in addition to the UserMatrix. Calling GetMatrix should always give you the exact matrix applied to an...
1trans->RotateZ(45);2trans->Translate(1,0,0);3coneActor->SetUserTransform(trans); 1. 2. 3. 从两个结果可以看出,GetMatix和GetUserMatrix都是获取变换矩阵。所不同的是: GetMatrix始终都可以获取到值,也就是说它得到的是圆锥体在世界坐标系的变换矩阵。 GetUserMatrix在Code2中获取到了值,而在Code...
()); // Create a mapper and actor for the arrow vtkNew<vtkPolyDataMapper> mapper; vtkNew<vtkActor> actor; #ifdef USER_MATRIX mapper->SetInputConnection(arrowSource->GetOutputPort()); actor->SetUserMatrix(transform->GetMatrix()); #else mapper->SetInputConnection(transformPD->GetOutputPort()...
USER_MATRIXintmain(int,char*[]){vtkNew<vtkNamedColors>colors;// Set the background color.std::array<unsignedchar,4>bkg{{26,51,77,255}};colors->SetColor("BkgColor",bkg.data());// Create an arrow.vtkNew<vtkArrowSource>arrowSource;// Generate a random start and end pointdoublestartPoint...
MatrixlineardataRectilinearGrid:vtkRectilinearGrid,whose dataorganizationislineargrowthofrowandrowdirection StructureddatavtkStructuredGrid,unstructureddatapoints, polygondatavtkPolyData,unstructuredrasterdata, vtkUnstructuredGrid Thefunctionofagraphicspipelineistoconvertgraphicaldata ...
VTK里与空间变换相关的类有:vtkTransform2D,vtkTransform,vtkPerspectiveTransform,vtkGeneralTransform,vtkTransformFilter,vtkMatrix4x4等。 3.7 本章小结 本章从一个稍微复杂的VTK程序里出发,深入了解VTK的一些基本概念。 首先我们从vtkCylinderSource学会了一组VTK类:vtkXXXSource。这一组类派生自vtkPolyDataAlgorithm,它们...
//Add translation to the user matrix for(inti=0; i<3; i++) { mat->SetElement(i,3, origin[i]); } volume->SetUserMatrix(mat); //VTK: Adding reference axes //--- //Add coordinate system axes, so we have a reference for position and orientation vtkSmartPointer<vtkAxesActor> ...
actor->GetUserMatrix()->DeepCopy(ma);