Sebastien.

> Sorry that I wasn't specific enough. I always forget to include some

> important information.

>

> Unfortunately, it has to be both continuous along a "curved" high-res

> polyline, and the mesh is closed.

>

> On Wed, Oct 9, 2019 at 12:33 PM Sebastien Loriot (GeometryFactory)

> <

[hidden email] <mailto:

[hidden email]>> wrote:

>

> Do you want a continuous translation or a discrete one along a polyline?

> Is your input mesh close or open?

>

> If the mesh is open and you consider discrete translation, you might be

> able to use extrude_mesh() for each segment:

>

>

https://doc.cgal.org/latest/Polygon_mesh_processing/group__PMP__meshing__grp.html#ga102e1ba5d709c5e53e013160792e4d08>

> and compute the union of all segments using

> corefine_and_compute_union():

>

https://doc.cgal.org/latest/Polygon_mesh_processing/group__PMP__corefinement__grp.html#gad7e1741a7ce41a5846cf86494982ca8b>

> Sebastien.

>

> On 10/9/19 3:09 PM, aseverino wrote:

> > This is probably the most unusual problem you guys ever heard of,

> so I'll not

> > be surprised if there is no solution for it available with any

> combination

> > of tools in CGAL.

> >

> > Remember when you had Windows 98 and the screen would freeze up

> with an

> > error shown in a dialog popup? Remember moving this dialog box

> around and

> > its canvas leaving a drawing "trail", as if it was some sort of a

> slug?

> >

> > I'm trying to recreate exactly that effect, but with a 3d object.

> >

> > Imagine you have a not-so-primitive shape, like a 3D cross, and

> you want to

> > drag it around in a 3d space, in the 3 axis, leaving a trail

> behind. The

> > final geometry ends up being this snake-like geometry based on

> the initial

> > 3D cross. As if you moved a clone of the cross just a fraction of a

> > millimeter, made an union boolean, and repeated until you have

> the desired

> > result.

> >

> > How would you do it? Considering that a boolean would take hours of

> > processing.

> >

> >

> >

> > --

> > Sent from:

http://cgal-discuss.949826.n4.nabble.com/> >

>

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>

>

>

> --

> *Alexandre A. Severino*

> *Systems Developer and Analyst*

> *+55 11 99994-9148*

>

> Si quieres cambio verdadero, pues camina distinto!

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