How to reset vtkProp3D

Support
1

vtkProp3D::RotateX allow to rotate the prop.

prop->RotateX(10); prop>RotateX(20); would rotate the prop with 30 degree compared with the original prop.

Is there a vtkProp3D::Reset() method which can clear the rotation status. For example:

prop->RotateX(10);
prop->Reset(); // clear the rotation status
prop->RotateX(20);

I hope the prop rotate only 20 degree rather than 10+20 degree.

Is there a Reset method or a similar method?

Any suggestion is appreciated~~~

2

Hi,

It seems that vtkProp3D does not define a reset-like method. You could try subclassing it and adding one:


void myVtkProp3D::Reset()
{
  this->IsIdentity = 1;
  this->Transform->Identity();
  this->Modified();
}

take care,

Paulo

3

Alternativelly, you can use SetOrientation() instead of any of the Rotate*() methods. SetOrientation() resets the internal transform object:

prop->SetOrientation(10, 0, 0);
//prop->Reset(); // don't need to reset
prop->SetOrientation(20, 0, 0);

It looks dirty, but it would spare you a cumbersome subclassing.

regards,

Paulo