Linked Questions

3
votes
1answer
490 views

Convert Tube[BSplineCurve[…]] Graphics3D object to polygons [duplicate]

I wish to voxelize a complex shape composed of Tube[BSplineCurve[...]] objects, while maintaining the additional information of the (unvoxelated) surface normal ...
3
votes
2answers
393 views

Tube cross-section [duplicate]

By default, Tube has round cross-section (and we define its diameter). Is it possible to draw Tube along some known path in 3D with, e.g. square cross-section? Thank you. EDIT Tried to follow ...
23
votes
3answers
2k views

Plot 3D model of DNA in Mathematica

My friend asked me if we can plot a 3D model of DNA (deoxyribonucleic acid) in Mathematica. However, I am not really familiar with this and I don't know if Mathematica can do this. Could you answer ...
14
votes
5answers
946 views

Random points around the given curve

How to plot a random points around the following Helix curve? ...
24
votes
1answer
1k views

Convert Graphics3D containing BSpline to polygon primitives for export to 3DS?

Graphics3D[] objects created with BSpline functions will not export to 3DS format, which only supports the more basic primitives. Is there any straightforward way ...
8
votes
3answers
2k views

Plotting a 2D shape along a 3D parametric function curve

Say I have a 3D curve that is parametrically defined. How would I be able to plot shapes like figure 8's whose centers are aligned along the 3D curve? Say the curve was: ...
8
votes
1answer
937 views

How to render a 3D tubular graphics from a 2D image path

Question: Is it possible to create a tubular 3D image like Extruding along a path using "Tube" function in mathematica for following images? Image (1) Image (2) Thanks I have been playing ...
12
votes
1answer
1k views

Moving polygon on path curve to create 3D shape

How can I move some polygon list = {{0, 0}, {0, 15}, {7, 13}, {2, 13}, {2, 5}, {5, 5}, {5, 3}, {2,3}, {2, 0}}; Graphics[{Black, Polygon[list]}] so it follow some ...
5
votes
3answers
754 views

How do I plot a space curve as a ribbon?

I know Mathematica has a built in Tube function, but I want to be able to change the parameters of a ribbon and visualize that. Is this possible? How do I do this?
6
votes
3answers
569 views

How to Discretize a Tube

In Is there a way to outline text?, I was amazed that BoundaryDiscretizeGraphics can discretize a Text primitive. So in a ...
9
votes
2answers
429 views

Continuously varying tube radius

I'm currently trying to draw tubular neighborhoods of torus knots, which Mathematica's Tube function allows me to do quite easily. My question regards the ...
6
votes
2answers
205 views

Is it possible to get a VertexColors effect in cylinder?

I'm trying to create a figure illustrating a cylinder filled with gas. And I saw a very good looking similar one at here. The shape is polygon and by using the VertexColors option, it creates a ...
8
votes
1answer
317 views

How should a beginner figure out the context to use an expert answer provided on this forum?

J.M.'s answer to Extruding along a path related to custom cross-sections appears to answer a question I have been puzzling over for some time. I am interested in producing a tube with the stadium or ...
8
votes
2answers
166 views
4
votes
3answers
98 views

Using logical combinations for regions

I'm studying something through the video Volume of Surface of Revolution. To be more exact, from the time 26:22 ... I was able to define the analysis section: ...

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