Hello! I’ve been working on a quad mesher, and a prototype version is now available in the latest WIP. Please try it out! The command name is QuadMesh Note: The quad mesher still needs a lot of work. Expect to get models that are partially broken in some places, and expect to have to fiddle with …

Hi David, I see that your mesher creates support loops around holes, as nicely visible on your helmet example. It however doesn’t do this (yet) on local detail, as seen here… [image] If this worked, one should be able to go a lot further down with the overall cage-polygon count and could leave i…

Here, just for reference a similar sample, modelled by hand, with support loops around protrusion and just the required extraordinary points. Subdivided a few times it should smooth out nicely. [image] [image] support-loops.zip (3.2 KB)

Hi David, Could you list the command options you used for your 4 examples? I know the QuadEdgeLength is dependent on the units and size of the object. Bill

hifred, First of all, thanks for testing it out. In regards to loops around holes: The quad mesher should be able to make loops around any hole, large or small. However, it is not guaranteed to always make loops. This process is decided by a global optimization which processes the whole model at on…

bisenberger, Sorry, I don’t remember. Some of the screenshots are not even that recent. Every model usually needs some fine-tuning on the options, and there is no one-size-fits-all. What do you think of the available options in the command? Confusing? Too many? Too little? Thanks -David

Hi David, I’m sure you understood what I meant – you only interpret the trim edge for the pin growing out of the surface as a second hole, right? Just to clarify: I think it was desirable to always get loops created around local features (holes, recesses, protrusions), otherwise the smallest detai…

Hi David, I will need to do more testing before I can make a useful assessment of the commands. I’ll keep playing around with it and post my observations. Thanks, Bill

Maybe this one illustrates how nicely one can introduce local detail to the cage with a few faces only. This cage is very loose but it already carries all information to get displayed in much greater detail. Don’t get me wrong, I imagine very difficult to accomplish procedurally what I have modelled…

hifred, This is what I’m aiming for. It is very tricky, but there is some good scientific literature out there which goes into how to find the base complex of a surface. At least one such technique should be “easy” to implement as part of my current algorithm. But this is not a high priority at the…

QuadMesh prototype command available in latest WIP

Serengeti (Rhino BETA) Quad Remesh

DavidEranen (David Eränen) April 27, 2015, 9:11am 17

FilmDesigner,

Thanks for the comments and screenshots! They’re very helpful.

-David

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QuadMesh prototype command available in latest WIP

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