[Plugin Beta] Curviloft 1.8a - 31 Oct 18 (Loft & Skinning)

Re: [Plugin Beta] Curviloft 1.3a - 27 Nov 13 (Loft & Skinnin

Postby robmoors » Thu Oct 09, 2014 11:19 am

Amazing plugin, incredible amount of control. Thank you!
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Re: [Plugin Beta] Curviloft 1.3a - 27 Nov 13 (Loft & Skinnin

Postby jumpjack » Sat Oct 18, 2014 7:40 pm

I can't understand how (if) I can use this plugin to fill the many holes in this model:
http://img22.imageshack.us/img22/7514/zar8.jpg

I select the contour of a hole, but none of the three buttons of the plugin is able to fill the hole for me.
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Re: [Plugin Beta] Curviloft 1.3a - 27 Nov 13 (Loft & Skinnin

Postby TIG » Sat Oct 18, 2014 10:26 pm

Why can't you attach the image ?
It's a bit much to ask someone to download and then view it...
You could even attach part of the SKP so we could look at it :?
Anyway what makes you think CurviLoft 'heals' holes ?
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Re: [Plugin Beta] Curviloft 1.3a - 27 Nov 13 (Loft & Skinnin

Postby jumpjack » Sun Oct 19, 2014 4:09 pm

TIG wrote:Why can't you attach the image ?

It's a bit much to ask someone to download and then view it...

You've just to click the above,link, anyway here it is:
TIG wrote:You could even attach part of the SKP so we could look at it :?
Anyway what makes you think CurviLoft 'heals' holes ?

Because it does in one case: "skinning" works fine in filling holes on a flat surface; I thought it could also do it for a generic contour.
Anyway I'm not sure it actually can for any contour: that's why the "if" in parenthesis.

Do I need a different plugin?
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Re: [Plugin Beta] Curviloft 1.3a - 27 Nov 13 (Loft & Skinnin

Postby Dave R » Sun Oct 19, 2014 4:18 pm

It might be that Curviloft could close up the holes. Maybe there's a different plugin that would do it. Without the model, it's not possible to give you a definitive answer.

BTW, please complete your profile with SU version and operating system.
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Re: [Plugin Beta] Curviloft 1.3a - 27 Nov 13 (Loft & Skinnin

Postby Box » Sun Oct 19, 2014 5:24 pm

'Clicking the link above' only takes you to the page to download it. You still then have to download it to view it.
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Re: [Plugin Beta] Curviloft 1.4a - 19 Oct 14 (Loft & Skinnin

Postby fredo6 » Sun Oct 19, 2014 10:21 pm

NEW RELEASE: Curviloft v1.4a - 19 Oct 14

Curviloft 1.4a is required for the support of usernames with non-ascii characters in Sketchup 2014

See main post of this thread for Download.

Fredo
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Re: [Plugin Beta] Curviloft 1.3a - 27 Nov 13 (Loft & Skinnin

Postby jumpjack » Mon Oct 20, 2014 8:45 am

Box wrote:'Clicking the link above' only takes you to the page to download it. You still then have to download it to view it.

Clicking THIS link takes to a download page?!?
http://img22.imageshack.us/img22/7514/zar8.jpg

Anyway, it looks the plugin can actually fill the holes, although for most irregular contours it gives weird results. I wonder if it is tunable to get the "filling" as flat as possible.

Additionally, how could I get this selection


from this manual selection?
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Re: [Plugin Beta] Curviloft 1.3a - 27 Nov 13 (Loft & Skinnin

Postby Box » Mon Oct 20, 2014 9:14 am

jumpjack wrote:
Box wrote:'Clicking the link above' only takes you to the page to download it. You still then have to download it to view it.

Clicking THIS link takes to a download page?!?
http://img22.imageshack.us/img22/7514/zar8.jpg


In a word, Yes.
image.JPG


As mentioned in the other thread where you asked, By smoothing the lines surrounding the edges of the hole you can create one surface that is easy to select.
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Re: [Plugin Beta] Curviloft 1.3a - 27 Nov 13 (Loft & Skinnin

Postby jumpjack » Mon Oct 20, 2014 9:43 am

Box wrote: By smoothing the lines surrounding the edges of the hole you can create one surface that is easy to select.

I have dozens of such holes in my model, each one delimited by a contour made of several dozens of segments: doing it by hand would take years... :cry: That's why I'm looking for some kind of automation. Maybe I need some kind of "simplify polyline" plugin, but don't know if it even exists or CAN exist.
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Re: [Plugin Beta] Curviloft 1.4a - 19 Oct 14 (Loft & Skinnin

Postby Box » Mon Oct 20, 2014 10:37 am

I think you'd have more luck repairing you mesh in Meshlabs or similar.
Sketchup isn't really designed to do what you want whereas software like Meshlab, Nettfab etc are .
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Re: [Plugin Beta] Curviloft 1.4a - 19 Oct 14 (Loft & Skinnin

Postby jumpjack » Mon Oct 20, 2014 12:41 pm

Box wrote:I think you'd have more luck repairing you mesh in Meshlabs or similar.
Sketchup isn't really designed to do what you want whereas software like Meshlab, Nettfab etc are .

No, they try to fix whole model in a single pass, it's too complex and they fail.
Using sketchup I could "fine tune" the model sub-region by sub-region.
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Re: [Plugin Beta] Curviloft 1.4a - 19 Oct 14 (Loft & Skinnin

Postby Box » Mon Oct 20, 2014 12:59 pm

There is no one way to fix it. At a guess looking at the picture with seeing the actual model, one way would be to select sections and smooth them so you have clearly defined holes within selectable surfaces. Then select a hole and use soapskin bubble to skin it. Continue until all holes are skinned and put all the sections back together.
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Re: [Plugin Beta] Curviloft 1.4a - 19 Oct 14 (Loft & Skinnin

Postby jumpjack » Mon Oct 20, 2014 1:10 pm

Box wrote:There is no one way to fix it. At a guess looking at the picture with seeing the actual model, one way would be to select sections and smooth them

How?
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Re: [Plugin Beta] Curviloft 1.4a - 19 Oct 14 (Loft & Skinnin

Postby Box » Mon Oct 20, 2014 1:23 pm

How? What? Which part isn't clear?

You have yourself listed in your profile as Advanced, it is assumed therefore that you know the basics. Could you clarify your sketchup level so we know how to answer your questions.
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Re: [Plugin Beta] Curviloft 1.4a - 19 Oct 14 (Loft & Skinnin

Postby jumpjack » Mon Oct 20, 2014 3:09 pm

Nevermind, I'll ask somebody else.
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Re: [Plugin Beta] Curviloft 1.4a - 19 Oct 14 (Loft & Skinnin

Postby jgb » Mon Oct 20, 2014 4:03 pm

From the picture it looks like a moonscape and you are trying to put a smooth flat floor in a crater. If so, then the floor perimeter does not seem to have to be very accurate.
Given that, then this is a modified solution I use to fix the jaggies on fairings after an intersect of curved surfaces. BUT it is a fair bit of work.

Also I think you encountered an operational problem with Curviloft I get when trying to skin a flat(ish) surface on a complex perimeter. My usual solution follows as well (3).

But wait..... There's more, a quick and dirty way to give those craters a flat floor.

1-Create a face (rect or circle) just below the hole and group it. Move it up to just meet the lowest point of the hole perimeter. SU will tell when that occurs with a constrained flag.
Then move it up to just past the highest endpoint of the perimeter.
Explode the flat face, select all the touching faces of the crater and floor and intersect.
You can delete the outside of the crater base and any bits hanging down if you want.
If the crater base disappears then undo till it reappears and leave it as so.

2-As above, create a grouped face below and bring it up to the lowest point.
With the move tool grab an endpoint of the hole perimeter, hit the alt key then the down arrow and move the endpoint down to the grouped face. When SU says it is constrained, let go.
Do this for each endpoint around the hole perimeter.
Explode the flat face. If you got all the points, a crater floor will result. As above, delete the extra bits or not.

3-When CL stubbornly refuses to create a face, select the perimeter lines, as best you can. If some other lines and faces are selected as well, just ignore them for now.
Make the selection a group temporarily. Copy it and move it on any one axis away. It is just easier to work with, out of position.
Edit the group and start deleting all unwanted lines and faces that are not specificly the crater floor perimeter.
CL the perimeter.
If it fails, that means you have tiny gaps and/or line fragments in the perimeter. Clean those up and try again.
If it works, delete the original floor perimeter group, then move the fixed floor perimeter group back on axis to its original position and explode it.
Then cleanup the opened faces by redoing the triangles, endpoint to endpoint.
Do not accept a constrained endpoint, you need a real endpoint.

And if that doesn't work you need to post your model here and someone will help fix it.

But that will not be me as I am in Singapore and without my Sketchup computer, unless you can wait till mid Nov when I get home. And all my replies are time lagged 12 hours to Eastern time.
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Re: [Plugin Beta] Curviloft 1.4a - 19 Oct 14 (Loft & Skinnin

Postby Box » Mon Oct 20, 2014 4:05 pm

Select: Draw a selection box laft to right over the area you want and it will select everything wholly within that area or right to left and it will select everything the box touches.

Smooth: Right click on your selection and select Soften/Smooth from the context menu and adjust settings to suit.

Knowing how to answer a question is quite difficult some times. We need to look at the few clues available to understand how much detail needs to be given. If the question is from a beginner in the newby section then I would be very clear about how to do something but a question from an Advanced use in the plugin section makes you think I don't need to spell it out.
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Re: [Plugin Beta] Curviloft 1.4a - 19 Oct 14 (Loft & Skinnin

Postby jumpjack » Mon Oct 20, 2014 4:41 pm

jgb wrote:From the picture it looks like a moonscape and you are trying to put a smooth flat floor in a crater. If so, then

Thank you, you gave me a couple of amazing ideas!

I attach the demo file. The full file is 27MB, I'll try uploading it somewhere...
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Re: [Plugin Beta] Curviloft 1.4a - 19 Oct 14 (Loft & Skinnin

Postby jumpjack » Mon Oct 20, 2014 5:06 pm

Looks like canì't atttach a skp file...
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Re: [Plugin Beta] Curviloft 1.4a - 19 Oct 14 (Loft & Skinnin

Postby Dave R » Mon Oct 20, 2014 5:16 pm

jumpjack wrote:Looks like canì't atttach a skp file...


There is a file size limit to attachments. You could make a separate file of just a small portion of the overall model. It won't take the whole thing to explain what needs doing.
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Re: [Plugin Beta] Curviloft 1.4a - 19 Oct 14 (Loft & Skinnin

Postby jumpjack » Mon Oct 20, 2014 8:35 pm

I decided to upload the whole file, in case others in the world are interested in some archeo-astro-photogrammetry :-)

http://jumpjack.altervista.org/mars-pat ... -color.zip (43 MB)

Project page:
http://www.boards.ie/vbulletin/showthre ... 2057032501
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Re: [Plugin Beta] Curviloft 1.4a - 19 Oct 14 (Loft & Skinnin

Postby Box » Mon Oct 20, 2014 11:04 pm

I don't think there is anything out there to heal your model. I have no idea how it was created, do you have individual files of each photometric section, but you have overlapping sections in a radial array and a mass of jagged bits and loose geometry all over the place. Maybe you can repair each part of the radial array in meshlab then stitch them together. Plus you seem to have multiple copies of the component which is making the file much bigger than it needs to be.

What is it you want to end up with? Is it something you want to print? Is it meant to be an accurate Mars landscape? Is it just going to be a rendering?

You can quickly sculpt a nice landscape with the Sandbox tools to form a printable solid or basis for a render.

The one below took minutes to make. There is nothing stopping you making it as detailed as you want and starting with a solid mesh means you have no holes to fill. You can also use Fredos ThruPaint to place your images correctly.

None of this really has much to do with Curviloft so it would probably be more appropriate moved to it's own thread.

Also there are several plugins designed for working with topography, Toposhaper for one, that may be more suited to your project. viewtopic.php?p=470701#p470701
Or perhaps some point cloud plugin if the photometric data is suitable.


If this is something like you want I can give you more information.

Edit: I looked at your project page and now I have some understanding of what you are attempting. If you can get the point data I'm sure there is a way to get close.
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Re: [Plugin Beta] Curviloft 1.4a - 19 Oct 14 (Loft & Skinnin

Postby cotty » Tue Oct 21, 2014 6:50 am

Box wrote:Edit: I looked at your project page and now I have some understanding of what you are attempting. If you can get the point data I'm sure there is a way to get close.

I didn't have a look, but after reading this, I have thought about this:
https://www.youtube.com/watch?v=092ZzSrsE_w
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Re: [Plugin Beta] Curviloft 1.4a - 19 Oct 14 (Loft & Skinnin

Postby jumpjack » Tue Oct 21, 2014 9:15 am

Box wrote:I don't think there is anything out there to heal your model. I have no idea how it was created, do you have individual files of each photometric section, but you have overlapping sections in a radial array and a mass of jagged bits and loose geometry all over the place.

Yes, it's a mess...

Box wrote: Maybe you can repair each part of the radial array in meshlab then stitch them together.

Maybe I could fill holes in each part using this plugin(it works fine for simple holes) and also stitch them together using the plugin again. Hopefully this will result in new holes which I will maybe be able to fill using again the plugin... and so on till I fill all of them!
Box wrote:Plus you seem to have multiple copies of the component which is making the file much bigger than it needs to be.

I didn't notice it, I'll check.



What is the attachment?
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Re: [Plugin Beta] Curviloft 1.4a - 19 Oct 14 (Loft & Skinnin

Postby Box » Tue Oct 21, 2014 9:52 am

jumpjack wrote:What is the attachment?


It is a simple sandbox model with a random mars landscape as a texture, and the rover roughly lifted from your model and dropped on it.
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Re: [Plugin Beta] Curviloft 1.4a - 19 Oct 14 (Loft & Skinnin

Postby thefreestman » Fri Nov 14, 2014 8:18 pm

I love this plugin, especially the splice feature.

Does anyone know of another similar feature that creates a grided planar surface in a similar effect- to that of the black mesh that appears in modeling before it generates a smooth surface?!

Thanks!
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Re: [Plugin Beta] Curviloft 1.4a - 19 Oct 14 (Loft & Skinnin

Postby TIG » Sat Nov 15, 2014 1:34 pm

At any time you can make any 'smoothed surface' into a 'mesh', with fully visible edges, by selecting the surface and using the native 'Soften/Smooth Edges' tool [context-menu], with minimal angle-slider setting and the two options ticked...
Of course you can do the reverse [on any 'mesh'] - select all of the facets required and move slider to right so the surface becomes smooth...
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Re: [Plugin Beta] Curviloft 1.4a - 19 Oct 14 (Loft & Skinnin

Postby Box » Sat Nov 15, 2014 1:47 pm

And what Tig has modestly left out, a lot of his plugins allow you to choose quads, if that is the full square grid you are after.
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Re: [Plugin Beta] Curviloft 1.4a - 19 Oct 14 (Loft & Skinnin

Postby thefreestman » Mon Nov 17, 2014 11:07 pm

Great Thanks!
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