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rheinz13-Aquamarine
13-Aquamarine
September 27, 2023
Question

shadow areas appear grey

  • September 27, 2023
  • 2 replies
  • 871 views

As per this topic:

 

Hi Tara, As far as I understand the issue - it's born in the Light scenes, where shadow areas appear grey.

 

We facing the same issue in Creo Illustrate - and looking for a light scene that I can adjust the lights are best for the used figure.

But just switching from headlight to 1,2 or 3 light - making not the bis diffrence.

I would be more convinced if the light scene can really adjusted by placint the light.

Do you also consider this way?

But this article belonging not to creo Illustrate - I will create an Idea to get this adressed at the right topic.

Regards

Robert

E.g. even that the left figure is not identical - the grey colored fridge frame is white, but appear due to light sceene grey. The right figure showing the expected result we want to achieve.

rheinz_0-1695814185166.png

 

    2 replies

    R
    RolandRaytchev21-Topaz I
    21-Topaz I
    September 27, 2023

    Hi @rheinz ,

    you mentioned that issue is also  occurring in Creo Illustrate. But where is the issue  more relevant ? In Vuforia Studio ? If yes in which mode - on mobile, eyewear device ? or in Preview mode (preview mode is as the name say preview and there is most relevant is the appearance on mobile device.

    Regarding of  the light display I am not sure if the standard render will support many lights. So far I  remember it use only one static light + ambient , but need to check it more detailed. Possibly you can define an render where you can use many lights  (vector parallel ray light vector  or as point lights)

     

    R
    RolandRaytchev21-Topaz I
    21-Topaz I
    September 27, 2023

    @rheinz ,

    further I tested with  an old test project  with shader and see that we can handle the light  - change the display behavior via custom shader. Therefore I believe that the standard render behavior allows only a ambient light and possibly has one direction ray.

    Here is  an example with customized  render - here the second tmlText-2 widget implements the shader :

     

    2023-09-27_18-23-30.jpg

    additionally  to the ambient light we have here also a point light definition and also a light intensity. When we need more light sources we could  implement this to the shader. In the tmlText:

    2023-09-27_18-37-21.jpg

    so we need to scale the code maked in red

    I attached the demo project

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