20 Replies Latest reply on Feb 25, 2013 12:08 PM by SFS-DPS

    3D RENDER ROUGH EDGE

    SFS-DPS Level 1

      HI all need help.

       

      I render 3d object from raster and smart object (extrusion)

      Each time i do the edge where the extrusion meets the front inflation material is slightly distorted. Should be a smooth line.

      Am I ignoring a best practice here?

        • 1. Re: 3D RENDER ROUGH EDGE
          conroy Level 5

          Please post a screenshot of the problem.

          • 2. Re: 3D RENDER ROUGH EDGE
            SFS-DPS Level 1

            BEFORE

            Screen shot 2013-02-20 at 12.57.37 PM.png

            AFTER

            Screen shot 2013-02-20 at 12.57.48 PM.png

            • 3. Re: 3D RENDER ROUGH EDGE
              SFS-DPS Level 1

              Do you think my settings are what's causing it?

              Screen shot 2013-02-20 at 2.11.10 PM.png

              • 4. Re: 3D RENDER ROUGH EDGE
                conroy Level 5

                When extruding a raster layer (or the raster representation of a Smart Object), Photoshop traces a vector path around the layer then generates an extrusion of that path. The tolerance for the tracing can be set in the dialog for the Make Work Path command that converts a selection to a path, but in the case of a geometric shape such as a hexagon, much neater results will be produced from a path that's directly created with vector tools. The Polygon Tool in Shape mode or Path mode can create a good hexagon for extruding.

                 

                Here's a screenshot with an extruded hexagonal Shape layer on the left and an extruded hexagonal raster layer on the right.

                 

                Screen-shot-2013-02-20-at-19.54.51.png

                • 5. Re: 3D RENDER ROUGH EDGE
                  SFS-DPS Level 1

                  Screen shot 2013-02-20 at 3.14.25 PM.png

                  Is that the same thing as placing smart a object from illustrator in to PSD and then creating 3d extrusion?

                   

                  Also my next task is to spin object 360 degrees exactly. however it seems to spin 180 one way then 180 back in opposite direction. cant figure out how to get it to spin smooth 360???

                   

                  Can you help with that?

                  • 6. Re: 3D RENDER ROUGH EDGE
                    conroy Level 5

                    A Vector Smart Object layer will not help. The raster representation of the VSO will be extruded with the distorted result seen above.

                     

                    When you've got an extrusion that you like, I'll tell you how to work around the rotation problem.

                    1 person found this helpful
                    • 7. Re: 3D RENDER ROUGH EDGE
                      SFS-DPS Level 1

                      Screen shot 2013-02-21 at 8.06.52 AM.pngBingo....Got it. I drew shapes in the path tab and it seems vary smooth.

                       

                      Thanks For your help.

                       

                      Now Im going to try to do a perfectly centered 360. However yesterday I though I could just create a keyfram at 0 degrees, then make a second Keyframe and set the Y axis at 360 but nothing would happen. So I put a mid Keyframe and set that at 180 degrees but still couldn't complete a single direction 360?

                       

                      What Am I missing do you think.

                      • 8. Re: 3D RENDER ROUGH EDGE
                        conroy Level 5

                        There's a problem with rotating an individual object (mesh or extrusion) that's inside Scene. See thread CS6 timeline bug when rotating a sphere

                         

                        In the thread, I give a clunky solution for rotating an individual object through 360 deg by keyframing at 0, 120, 240 and 360. You won't need to do that, though.

                         

                        Fortunately, the entire Scene can be rotated without problem. You have only one extrusion object inside Scene, so rotate the whole Scene instead of the object: keyframe Scene rotation at 0 deg followed by a keyframe of 360 deg will rotate correctly.

                         

                        If you're making a looping animation then you'll want the final frame to be just before 360 deg. The rotation will be happening over n frames, so make the rotation value in the final frame be (360 -  (360 / n)) deg.

                        • 9. Re: 3D RENDER ROUGH EDGE
                          SFS-DPS Level 1

                          Ok. Scene rotates but the object is not perfectly centered in the scene?Screen shot 2013-02-21 at 8.59.08 AM.pngScreen shot 2013-02-21 at 9.07.20 AM.png

                          • 10. Re: 3D RENDER ROUGH EDGE
                            conroy Level 5

                            I tried to post the following before you edited your post, so here it is anyway, in case it is useful to anyone.

                             

                            The tree in 3D panel misleadingly suggests that the lights and camera are inside Scene. That's not the real situation. The lights and camera are really outside of Scene. So the rotating Scene will be lit the same as if only the extrusion object was rotating.

                             

                            n is the number of frames. If the animation is 5 seconds at 30 fps then there'll be 150 frames.

                             

                            n = 150

                            (360 - (360 / n))  =>  (360 - 2.4)  =>  357.6

                            1 person found this helpful
                            • 11. Re: 3D RENDER ROUGH EDGE
                              SFS-DPS Level 1

                              sorry about that. Ahhh....Ok. Im learning.

                               

                              SO any input on what the cordinates would be to perfectly center this Poly in the scene?

                              • 12. Re: 3D RENDER ROUGH EDGE
                                conroy Level 5

                                The coordinates of an individual object (your extrusion for example) inside Scene are relative to the Scene coordinates, so the extrusion should have been created with X,Y,Z = 0,0,0. Maybe you moved the extrusion object at some time, so set its coords to 0,0,0 in Properties panel.

                                • 13. Re: 3D RENDER ROUGH EDGE
                                  SFS-DPS Level 1

                                  Ok. Screen shot 2013-02-21 at 3.16.12 PM.pngYou have been a great help on this. So thank you.

                                  Not sure why my object in not centered..however to solve i put my camera at top view and drew some guides. then manually centered the polygon. It seems centered when my z axis is at -209 all other ordinates are at 0.

                                  • 14. Re: 3D RENDER ROUGH EDGE
                                    conroy Level 5

                                    SFS-DPS wrote:

                                     

                                    Not sure why my object in not centered..however to solve i put my camera at top view and drew some guides. then manually centered the polygon. It seems centered when my z axis is at -209 all other ordinates are at 0.

                                     

                                    The object's coords are relative to Scene and Scene's own coords are in a world space, so maybe you moved Scene (which includes the object) earlier and now a move of just the object by 209 restores the object to its original location in the world while Scene remains moved in the world.

                                    • 15. Re: 3D RENDER ROUGH EDGE
                                      SFS-DPS Level 1

                                      Ok. I think I understand. Tomorrow I will see if setting the object back to zero and then see if the scene adjustment gets everything back.

                                       

                                      I'll let you know thanks again!

                                      • 16. Re: 3D RENDER ROUGH EDGE
                                        SFS-DPS Level 1

                                        Screen shot 2013-02-25 at 11.07.38 AM.pngThough I know I can manually center...I still wish i understood why the object is not centered even if all the cordinates for the scenScreen shot 2013-02-25 at 11.07.55 AM.pnge and environment are set to 0?

                                        • 17. Re: 3D RENDER ROUGH EDGE
                                          conroy Level 5

                                          The extrusion will have been created with coords 0,0,0 inside Scene space. However, Scene will have been created with coords other than 0,0,0 inside the world space. So, setting the extrusion to 0,0,0 (in Scene) and Scene to 0,0,0 (in the world) will not restore the extrusion to its initial location in the world.

                                           

                                          The initial x,y coords of Scene depend on the location on the canvas of the centre of the bounding rectangle of the 2D elements that are extruded, and the z coord of Scene will be some non-zero value. Scene's x,y will be initialised to 0,0 only if that bounding rectangle has its centre at bottom left of the canvas.

                                          • 18. Re: 3D RENDER ROUGH EDGE
                                            SFS-DPS Level 1

                                            Are you saying that the center of the Extrusion or object has to be centered on the lower left corner of the canvas prior to being extruded?

                                            • 19. Re: 3D RENDER ROUGH EDGE
                                              conroy Level 5

                                              No, I'm not saying that. You've made extrusions without doing that.

                                               

                                              I only explained why you found setting everything to 0,0,0 didn't recentre the extrusion.

                                              • 20. Re: 3D RENDER ROUGH EDGE
                                                SFS-DPS Level 1

                                                Gotcha.