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3D pucture objects overlapping


pawhan11

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Hello LV users,

 

I have been fighting with 3D picture for 2 days and I have stumbeld on the following problem:

I need to display rectangle + text. Text should be always displayed before background when camera moves or is rotated.

I have attached test vi that exports fragment of functionality and shows the problem.  Camera settings and billboarding must be set to values provided in test vi.

 

Text must be displayed before green box not after like on picture below.

Intresting is when I zoom text is displayed correctly...

 

image.png

 

 

Do You have any idea which one of undocumented options in 3D picture might help??

 

This is cross post from NI forums:

https://forums.ni.com/t5/LabVIEW/3D-picture-control-objects-overlaying/td-p/3720660

test2.vi

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Thanks for reply but it seems Aliasing is not the problem.

People tell about camera perspective :

https://stackoverflow.com/questions/5300888/how-can-i-increase-distance-zfar-gluperspective-where-opengl-stops-drawing-obj

but objects more in the back are displayed correctly. What I noticed it that this is letter dependent. For some letters like A I must zoom a lot so see something, letter E for example I see always even when I zoom out... :)

 

Untitled.png

On NI forums they had discussion about text display problem and PC was blamed. I have tried on 2 machines and this is not HW related.

https://forums.ni.com/t5/LabVIEW/3D-Picture-Text-Display/td-p/2985433

 

I have tried other fonts but it is unrelevant.

 

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