Create a ticket State:New|TargetRelease:No Target|icon_bug|icon_katana|database:public|Resolution:Fixed|BugID:563480|
Problem summary Reducing the size of the Viewer tab causes visual artifacts to appear on displayed VDB assets that have been brought in through Usd. Also changing the viewer.antiAliasing value inside the Preferences menu can affect the severity of the visual artifacting. This behaviour appears to only occur on some GPU's, such as those listed below:
Reproduced on:
NVIDIA RTX A2000
NVIDIA Quadro RTX 5000
NVIDIA Quadro RTX 4000
Unable to reproduce on:
NVIDIA Quadro P400
NVIDIA Quadro P4000
Customer reported version Katana 6.5v2
Customer reported platform CentOs 7
Steps to reproduce 1) Open Katana and create a
UsdSubLayerAdd node.
2) Set the
Render and
Edit flags on the newly created node.
3) Set the value of the
asset parameter to a Usd file that contains a VDB asset.
4)
Expand all the root location in the
Scene Explorer tab.
5) Then enable
Volumes inside the
Viewer tab by clicking
View >
Volumes .
6) Resize the
Viewer tab down to roughly 300 x 400 pixels by selecting the corner of the tab and dragging inwards.
Expected behaviour The VDB still displays in the viewer.
Actual behaviour The VDB displays in the viewer with artifacting like so:
Workaround Unknown.
Reproduced by support This bug has been reproduced in the following Katana versions:
Katana 7.0v2
Katana 7.0v1
Katana 6.5v2
Katana 6.5v1
Earliest version tested Katana 6.5v1 - This feature did not exist before this version