<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Hello everyone<br>I want to use key board to change a few variables and see the effect on the visualization. For eg. i want to delete a particular voxel or set of voxels from the image and then view the image and save the new image deviod of the deleted voxels.<br>How do i do it in vtk.<br>Thank you<br>Frency varghese<br></td></tr></table><br>