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RadiAnt DICOM Viewer - Discussion Forum
Volume Rendering 2.7.4 Beta

Nov 12, 2015 07:23 PM
by RadiAnt
We have another beta today. This time the orientation cube and the camera angles were added to better understand directions in the VR window.

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Nov 12, 2015 11:14 PM
by Tommy
the orientation cube is truly an improvement
well done!!!
Nov 15, 2015 04:43 PM
by RadiAnt
It took some time to implement this little bugger ;-)
Nov 20, 2015 08:29 AM
by tomb745
During cerebral vessels reconstruction when I press F3 button sometimes I get ideal vessels picture and sometimes just full scull, when it's difficult to cut off bone borders. What is the trick?
Nov 24, 2015 09:23 PM
by RadiAnt
My guess is that you get the "ideal" picture with the MR series, where there's no signal from bones.
Whereas with the angio CT series you have to remove the bone manually, which can be difficult with vessels running close to the bone.
Nov 26, 2015 04:29 PM
by tomb745
1. Just vieved MRangio with perfect scull interferring with vessels - so it's not a problem with CTangio.
2. How to perform measurments in volume renderin option? - there are no tools, knowing the diameters is mandatory

Nov 30, 2015 10:36 PM
by RadiAnt
1. Did you try to change the window (CTRL + drag left mouse button) to get a clear view of cerebral arteries? If it not helps, then you have to cut manually.
2. There's no measurement tool yet. It will be implemented in future versions. Please note that measurements on 3D VR picture can be tricky. They depend on proper windowing and the adjustment of viewing plane. Generally it is recommended to make measurements on the source (or MPR) images.
Dec 2, 2015 09:19 AM
by tomb745
ad 1. Yes, I have tried - no results.
ad 2. Unfortunatelly sometimes it's necessary to meke some measurements od 3D - especially when you compare aneurysm neck-to-body ratio. It's impopssible to do it on MPRs.
Dec 5, 2015 07:28 AM
by RadMan
This is an amazing development.
Although, aside from the 3d VR renderer, could we have MPR obliques (not just the usuals sagittal/coronal/transverse)? It's actually used alot for the axial images such as the temporal bone and paranasal sinuses.
Still, amazing development from great developers!
Dec 6, 2015 11:50 AM
by Tommy
oblique MPR is work in progress too... the author said it will probably be available in 2016 after VR is ready
Dec 6, 2015 10:25 PM
by RadiAnt
RadMan, thanks for your kind words. Like Tommy said, the oblique MPR is on the way in the Q1/Q2 2016.
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