<div dir="ltr"><div>It would be great to have a vtkCalibratedCamera (or something) that would take the cameras intrinsic parameters.<br> <br></div>The Point Cloud Library (PCL) <a href="http://www.pointclouds.org/">http://www.pointclouds.org/</a> uses VTK for rendering. PCL may already have such a beast or at least a conversion from intrinsics to vtkCamera.<br>
<br><br></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Fri, Aug 2, 2013 at 12:14 PM, alykhantejani <span dir="ltr"><<a href="mailto:alykhan.tejani06@imperial.ac.uk" target="_blank">alykhan.tejani06@imperial.ac.uk</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I am trying to render views of a 3D mesh in VTK, I am doing the following:<br>
<br>
<br>
vtkSmartPointer<vtkRenderWindow> render_win =<br>
vtkSmartPointer<vtkRenderWindow>::New();<br>
vtkSmartPointer<vtkRenderer> renderer =<br>
vtkSmartPointer<vtkRenderer>::New();<br>
<br>
render_win->AddRenderer(renderer);<br>
render_win->SetSize(640, 480);<br>
<br>
vtkSmartPointer<vtkCamera> cam = vtkSmartPointer<vtkCamera>::New();<br>
<br>
cam->SetPosition(50, 50, 50);<br>
cam->SetFocalPoint(0, 0, 0);<br>
cam->SetViewUp(0, 1, 0);<br>
cam->Modified();<br>
<br>
vtkSmartPointer<vtkActor> actor_view = vtkSmartPointer<vtkActor>::New();<br>
<br>
actor_view->SetMapper(mapper);<br>
renderer->SetActiveCamera(cam);<br>
renderer->AddActor(actor_view);<br>
<br>
render_win->Render();<br>
<br>
I am trying to simulate a rendering from a calibrated Kinect, for which I<br>
know the intrinsic parameters. How can I set the intrinsic parameters (focal<br>
length and principle point) to the vtkCamera.<br>
<br>
I wish to do this so that the 2d pixel - 3d camera coordinate would be the<br>
same as if the image were taken from a kinect.<br>
<br>
Thanks<br>
<br>
<br>
<br>
<br>
--<br>
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</blockquote></div><br><br clear="all"><br>-- <br>Unpaid intern in BillsBasement at noware dot com<br>
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