Full Version: Blend and flip command

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Hi Matadem,

So on this one the problem is that you've got 2 curves selected there so it's doing a curve blend. To do a surface blend you need to have 2 edges selected, not 2 "standalone" curves.

The curves there are stacked up right in the same location as the edges and that will make the edges difficult to get at. Try selecting the curves and using Edit > Hide to hide them, or delete them so they will be cleared out and won't interfere with selecting the edge.

Re: Flip command - that doesn't really affect operations in MoI itself but it will do something in polygon mesh data that is exported out from MoI to a rendering program. If you use the Flip command on an open surface, the face normals in the mesh object will be reversed.

- Michael

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@ Michael

The "Crossing" position clicks for a tortured result did'nt existing in the past ?

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Hi Pilou,

re:
> The "Crossing" position clicks for a tortured result did'nt existing in the past ?

Yes I think so but I think it was even before the MoI 1.0 release. For a long time now it automatically decides how to orient the directions to make the least twisted result.

You can still force a twisted result if you want by clicking on an edge while in the "Adjust blend parameters" last stage of the Blend command.

- Michael

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The "Add Sync Points" button ?

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Hi Pilou,

re:
> The "Add Sync Points" button ?

You can use that to control how the blend is connected between the edges.

Here's an example:


The default method where the blend surface matches percentage of distance will make a result like this:




If you add sync points on each bump you can get a result like this:




Basically for the first way the blend surface is made up of isocurves like this:



With adding in sync points you can influence it so the blend surface is made up of isocurves like this instead:




- Michael

Image Attachments:
pilou_blend_sync_points1.jpg  pilou_blend_sync_points2.jpg  pilou_blend_sync_points3.jpg  pilou_blend_sync_points4.jpg  pilou_blend_sync_points5.jpg 

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Yep but seems that is not exactly the same than the ancient crossing one! :)
(it's an old image! August 2006) my comment was made before to know the secret! :)
So the"near the middle" was not sufficient! :)

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Few days after :=)

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Make the same crossing surfaces now is a little tricky! :)
For one surface (NetWork) then Edit Frame + CTRL...

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Got it to work thanks to all.

Is there a flip script like I described?

Thank you!

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http://moi3d.com/3.0/docs/moi_command_reference10.htm#flip

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Hi Michael,

re:
> The "Add Sync Points" button

Nice illustrative pictures, it would be very practiacal to add them here http://moi3d.com/3.0/docs/moi_command_reference7.htm#blend

Mik

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Hi Pilou,

re:
> Few days after :=)
>
> "Position of the click on a curve gives different results !!!"

Sorry I'm not undrestanding this one - is this a problem you are running into right now or was it a problem that has been solved in current versions?

- Michael

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Hi Pilou,

> Make the same crossing surfaces now is a little tricky! :)
> For one surface (NetWork) then Edit Frame + CTRL...

You can make it be crossing in Blend too, when you are at the "Adjust blend parameters" stage of the Blend command, you can click on an edge inside the viewport to flip its direction for that blend operation.

- Michael

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That was a problem that I have resolve in the past with the old method but by hasard
before to know that the position of click was important!

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<< You can make it be crossing in Blend too

So the Planar Sections Button!

I have successed one time by hasard also but be not capable to make it again ! :)

That must be easy but...I miss something! (your ten years old method was many more simple :)

My poor desesperated new try! :)

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Hi Pilou,

> That was a problem that I have resolve in the past with the old method but by hasard
> before to know that the position of click was important!

In current versions the position of the selection click for Blend is not important anymore.

- Michael

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Hi Pilou, re:

> So the Planar Sections Button!

See here for some info on Planar Sections:
http://moi3d.com/forum/index.php?webtag=MOI&msg=6790.35

- Michael

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Yes I see it but that don't help me for my simple crossing surface!
I must be in a bad day! :) I have tryed tone of click points (one success) but as i made it too speedy...
i have losted the solution! :) (your old method was so simple! :)

Hopefully i have my complex tricky method above! :)

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Hi Pilou, sorry I'm not understanding quite what you're trying to do.

Are you getting a crossing surface that you do not want, or are you not getting it and want to know how to make the crossing type result?

- Michael

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I will remake the bottom left figure! (with the Blend function)
That was easy with the Moi 1.0 :)
Now you said that we can do the same with the Adjust Blend Parameters of the Beta V4 but How ? :)
Seems I have one success by hasard but losted the process!

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