[Help] Stack world position at world origin

[MuriloSchaefer]

Description

Hi, I have three scenes with ortho cameras, and the stack isn't in the origin of the scene like can be seen in the figure below

Is there some way to move the stack to the origin? I try to move the stackHelper using:

stackHelper.applyMatrix( new THREE.Matrix4().makeTranslation( -centerLPS.x, -centerLPS.y, -centerLPS.z ) );

but only the plane changed, so it breaks the textures:

PS:

• I tried to ask in the stackoverflow, but it was failing to upload the images.
• I also tried the slack channel, but it redirects to other website

[PtiLuky]

The stack position depends of the "real world" position, including the offset of your data. To move the data, use the registration matrix (stack.regMatrix) and don't forget to update IJK2LPS matrix and send the new one to the shader (with the uniform). Some details here : https://github.com/FNNDSC/ami/issues/125

[MuriloSchaefer]

it worked! Thanks :)

I'm putting the code here, just to let it documented, in case of other people have the same issue.

//move the stack to the origin of the scene
let centerLPS = stack.worldCenter();
stack.regMatrix = new THREE.Matrix4().makeTranslation(-centerLPS.x, -centerLPS.y,-centerLPS.z);
stack.computeIJK2LPS();