drape line onto surface as a group?

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drape line onto surface as a group?

Postby MLUY » Tue Jul 10, 2018 11:04 pm

Who knows if it is possible to drape a line onto a surface as a new separate group?
Is there a plugin that can do this? or am I missing something with the standard tools.
The standard drape tool drapes the line onto the surface but then it becomes part of it
I would like to select the draped line and pick it up from the surface, but then I would need to select each line segment.

Thanks guys....(are there no girls on this forum....?)
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Re: drape line onto surface as a group?

Postby srx » Wed Jul 11, 2018 7:02 am

You could use Extrude Edges By Vector To Object by TIG to project line on surface along any vector and erase faces in new group.
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Re: drape line onto surface as a group?

Postby MLUY » Wed Jul 11, 2018 8:15 am

srx wrote:You could use Extrude Edges By Vector To Object by TIG to project line on surface along any vector and erase faces in new group.


Thanks, I will try that out...it looks a bit complicated at first glance

I was hoping that there is a simple "drape to group" tool.....

I am using landscaping surface levels onto which I want to drape a line, which I want to use for a new extrusion path for a solid shape. I thought that if the drape tool generates a line which follows a surface it should be relatively easy to add this to a group in the ruby code. But once its generated its too late..and I cant code.....
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Re: drape line onto surface as a group?

Postby pilou » Wed Jul 11, 2018 8:30 am

Or Projections by Didier ;)
You can click any faces like the bottom face after the top face (not shown here)
for have same result than the Sand Box!
GIF_extrulines.gif


For other surfaces take the last bottom icon on the right! :ugeek:
Intersect the result with the model

GIF_lasticon.gif
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Re: drape line onto surface as a group?

Postby MLUY » Wed Jul 11, 2018 9:32 am

pilou wrote:Or Projections by Didier ;)
You can click any faces like the bottom face after the top face (not shown here)
for have same result than the Sand Box!
GIF_extrulines.gif


For other surfaces take the last bottom icon on the right! :ugeek:
Intersect the result with the model

GIF_lasticon.gif


Thanks that is a very usefull tool, but is it also possible to project onto a complete curved random surface such as this? I cant seem to do that
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Re: drape line onto surface as a group?

Postby pilou » Wed Jul 11, 2018 9:46 am

Why not ? (use the last icon)

Can you send the file SKP zipped (save as V6 for a more large audience)
with Wetransfert :)
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Re: drape line onto surface as a group?

Postby MLUY » Wed Jul 11, 2018 9:59 am

pilou wrote:Why not ? (use the last icon)

Can you send the file SKP zipped (save as V6 for a more large audience)
with Wetransfert :)


When I select the line and click the last Icon it asks me for start and end vector point.
Which two points do I click?..Sorry I must be thick
Should I not click the group or the surface I want to project on?
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Re: drape line onto surface as a group?

Postby pilou » Wed Jul 11, 2018 10:42 am

Which two points do I click?


If you want a Vertical projection just click on a point + draw on
a "Blue" appearing vertical help axis somewhere bottom... or

You can first draw a vertical line if wanted before launch the icon like here
if you are not confident on your true vertical possibility :)

GIF_oneline.gif
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Re: drape line onto surface as a group?

Postby MLUY » Wed Jul 11, 2018 11:21 am

pilou wrote:
Which two points do I click?


If you want a Vertical projection just click on a point + draw on
a "Blue" appearing vertical help axis somewhere bottom... or

You can first draw a vertical line if wanted before launch the icon like here
if you are not confident on your true vertical possibility :)

GIF_oneline.gif



Got it!, thanks a million
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Re: drape line onto surface as a group?

Postby Box » Wed Jul 11, 2018 11:45 am

If you intersect two closed groups the resulting intersection will be created outside the context of either group. No plugins required.
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Re: drape line onto surface as a group?

Postby pilou » Wed Jul 11, 2018 2:45 pm

Yep foundamentals are always better! :thumb:
(extrude curves multiple is not in native SU : it's very useful in many cases )
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Re: drape line onto surface as a group?

Postby srx » Wed Jul 11, 2018 3:34 pm

It is not complicated at all...Click to view animated gif
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