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John.Pryal1-Visitor
1-Visitor
October 1, 2015
Solved

Surface Reflection

  • October 1, 2015
  • 3 replies
  • 4875 views


Hello all, I have a question about surface reflection analysis. How do you interpret what you are seeing with regards to what is a good surface set or bad surface set. I often shade a model in this way, but I am not entirely sure I know what the analysis is showing me. I tend to rely more on surface meshing & general shading to determine whether I have good or bad surfaces. I would like to know more about this tool, whether it has real benefits or whether it is something not really worth using. I searched the help files, but there isn't really anything there explaining the analysis results.

John

Best answer by rubenvillarreal

John,

This images could be helpful for you.

This is a Style feature, check in each of the picture the transition between the two surfaces. The reflection analysis tool, is (at least for me) an intuitive tool to analyze surfaces, you need to check how the lines changes through the entire surface, often smooth transition of these lines result in smooth surfaces. Rotate the model an Zoom in in order to attend tiny details and sharp transitions, remember that you can toggle between two colors in order to see better the effect (last picture). Notice also, that if you do not do this, is really difficult to find those details just using the shade view (first picture).

Q1.pngQ2.pngQ3.pngQ4.png

3 replies

R
rubenvillarreal14-AlexandriteAnswer
14-Alexandrite
October 1, 2015

John,

This images could be helpful for you.

This is a Style feature, check in each of the picture the transition between the two surfaces. The reflection analysis tool, is (at least for me) an intuitive tool to analyze surfaces, you need to check how the lines changes through the entire surface, often smooth transition of these lines result in smooth surfaces. Rotate the model an Zoom in in order to attend tiny details and sharp transitions, remember that you can toggle between two colors in order to see better the effect (last picture). Notice also, that if you do not do this, is really difficult to find those details just using the shade view (first picture).

Q1.pngQ2.pngQ3.pngQ4.png

    J
    John.Pryal1-VisitorAuthor
    1-Visitor
    October 1, 2015

    Thank you for your detailed reply. It does go some way to helping me better understand the analysis results. I will hold off marking this as a correct answer for now, just to see if I get any other replies. Whatever happened to the 'useful answer' button?

    Thanks again

    John

      Dale_Rosema
      23-Emerald III
      Dale_Rosema23-Emerald III
      23-Emerald III
      October 1, 2015

      It wasn't useful 

        P
        pzago1-Visitor
        1-Visitor
        October 1, 2015

        In the reflection interface you can also "rotate" the direction of the stripes, this can be useful because sometimes a surface looks good in one direction but has wrinkles or bad spots in another direction.

        R
        rubenvillarreal14-Alexandrite
        14-Alexandrite
        October 2, 2015

        John,

        I forgot to tell you, even the reflection analysis tool is not enough to analyze the smoothness of a surface. Sometimes you will need to render the part at their maximum quality to see if something is wrong. This is really frustrating, because you are unable to see the error until the final step, the render thing. Even changing the studio can hide those details (picture 4 and 5).

        S1.pngS2.pngS3.pngS4.png

        Patriot_1776
        Patriot_177622-Sapphire II
        22-Sapphire II
        October 2, 2015

        The difficult thing is that sometimes that's just a graphics artifact.  I tend to believe the surface analysis tools a little more.  The analysis is showing the issue, but very subtly (sharp edge where the dark line transitions from straight to curved).

        J
        John.Pryal1-VisitorAuthor
        1-Visitor
        October 5, 2015

        Thank you to everyone who replied, I guess my understanding of this analysis tool wasn't too far off to start with. I will probably continue to trust in the other surface analysis tools more, as Frank mentioned, after all, they have brought me this far, as a 20 year veteran of Pro-e (Creo).

        Thanks again all

        John

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