Ride Posted April 16, 2023 Share Posted April 16, 2023 Wondering if someone is able to create a loft surface between these 2 NURBS surfaces. Can you explain the steps needed to get this to work? I can't seem to get it. Thanks in advance for any help. loft surface question.vwx Quote Link to comment
VIRTUALENVIRONS Posted April 16, 2023 Share Posted April 16, 2023 I can probably help you. Can you describe your problem please Quote Link to comment
VIRTUALENVIRONS Posted April 17, 2023 Share Posted April 17, 2023 Waited for response, but my wife called. Below is a five minute tutorial that will explain how to loft NURBS. One thing to look for. Select each curve and look at the dialogue box for this function. Make sure "show direction is on". You should see a red arrow on each curve. These curves should go in the same direction. If not, there is a change direction command. See below Quote Link to comment
Ride Posted April 17, 2023 Author Share Posted April 17, 2023 I just can't get the loft to work. I tried again, and I don't have directions, but I do have "Normal". I adjusted those so the arrow pointed the same way, but still the loft doesn't work. I can't select my NURBS surfaces to create the loft. Quote Link to comment
VIRTUALENVIRONS Posted April 17, 2023 Share Posted April 17, 2023 Hi, did you watch the video. We have to get our terminally correct. You loft NURBS curves to each other, but not surfaces. Lofting curves create surfaces. Watch the short video, it does exactly what you want to do. I have to sign off for the night. Happy to help tomorrow, but someone else may be available. Quote Link to comment
Pat Stanford Posted April 17, 2023 Share Posted April 17, 2023 You can't loft objects that are already surfaces. You will need to extract NURBS curves from the edges. Then you will be able to add an additional NURBS surface between the edges using Loft. 1 Quote Link to comment
Jeff Prince Posted April 17, 2023 Share Posted April 17, 2023 You might try FormZ, Rhino, or Blender for these kinds of simple edits if you have a lot of them to do. Vectorworks can do it with a little legwork on your part as Pat mentioned. Quote Link to comment
Popular Post Benson Shaw Posted April 17, 2023 Popular Post Share Posted April 17, 2023 (edited) Couple things to adjust, then it will work. Original surfaces are faceted because Shaded render Quality option is set to Low. Change to Very High Extract tool > Edge mode - use the All entities option. Press Shift to extend selection to capture 2nd surface. Result is a group. Enter (edit) the group to find 8 NURBS curves. Compose them which yields 2 NURBS curves. But the directions are reversed. Select either curve and, in OIP, Reverse Direction. Now Loft>no rail mode. Result is group containing 4 new surfaces. If desired, ungroup all the nested groups and Add Surface. Post as needed if more questions. -B 367900089_Lofttest(19mb).mov Edited April 17, 2023 by Benson Shaw Checking on my investments 6 Quote Link to comment
VIRTUALENVIRONS Posted April 17, 2023 Share Posted April 17, 2023 Great tutorial....need more of these. Would still like to see what the original fellow's problem was though. Quote Link to comment
Ride Posted April 17, 2023 Author Share Posted April 17, 2023 @Benson Shaw, thank you for that video and explanation. I haven't tried this yet but will shortly, but I think you gave me everything I need to get my loft to work. @VIRTUALENVIRONS, what was not clear with my original request? I had two NURBS surfaces that I couldn't loft to make a solid. I needed more information, such as they need to be NURBS curves, not surfaces. That was probably the key bit I was doing wrong. I attached my file so anyone could open it to see what I was working with. Vectorworks is not very forthcoming with clues as to what's wrong when an operation fails. And I don't find the VW help very helpful. Quote Link to comment
VIRTUALENVIRONS Posted April 17, 2023 Share Posted April 17, 2023 1 minute ago, Ride said: Vectorworks is not very forthcoming with clues as to what's wrong when an operation fails. And I don't find the VW help very helpful. That's why the forum. People are willing to help 24/7 as this thread demonstrates. Good luck with your project Quote Link to comment
Jeff Prince Posted April 17, 2023 Share Posted April 17, 2023 2 minutes ago, Ride said: what was not clear with my original request? Sometime people can’t open your files if they are on an older version. Your description was clear though. In the future, dropping a screen shot of the problem into your post can get more responses, especially when they can’t open your file. 1 Quote Link to comment
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