Tagged Questions
6
votes
6answers
321 views
How do I draw a hemisphere?
I want to draw a solid or partially transparent hemisphere above a partially transparent cuboid object in Graphics3D. However, I do not know how to do this s.t. only half the sphere is drawn. Here's ...
10
votes
2answers
325 views
Graphics3D: Finding intersection of 3d objects and lines
I found these two nice links 1) intersecting graphics 2) Implementation of Balaban's Line intersection algorithm in Mathematica which works for 2d.
However, I need to find whether a ray(line) ...
0
votes
0answers
80 views
Determining if a point is inside or outside a 3DS (.3ds) or 3DS MAX (.max) object?
Imagine I import some 3DS (i.e. 3D studio) file (http://reference.wolfram.com/mathematica/ref/format/3DS.html) or a 3DS MAX file. How could I place this model (say, the 747.3ds file in the ...
6
votes
2answers
258 views
Convex hull of a 3D object?
I am trying to find a convex hull command for a Graphics3D object. Does it exist in Mathematica?
...
6
votes
2answers
255 views
Calculating a minimum bounding box for a set of 3-space coordinates / spheres
I have a set of 3-space coordinates for the atoms of a molecule (I could also transform them into spheres with radii corresponding to the atoms they represent). I would like to place this molecule ...
1
vote
1answer
200 views
Code to draw geometry doesn't run
I'm new to Mathematica and have no background whatsoever in programming, although I will teach myself soon. I was wondering if one of you programming pros could help me out. I received a code from ...
6
votes
2answers
339 views
Finding concave hull for separated small clusters
Data :
data3D = Import[file, "VertexData"];
Graphics3D[Point[data3D]]
How to find concave polygon for separated small clusters.
11
votes
2answers
600 views
Finding a Concave Hull
I have a 3d clustered data:
Is there any other way to get concavehull of 3D data points?
5
votes
2answers
672 views
How to process .vtk file
I want to extract the cluster of points inside 3D box, is there any way one can do this in Mathematica?
7
votes
1answer
176 views
7
votes
1answer
454 views
Construct a simple mesh or tetrahedral mesh from 3D image surface
I have a 3D Y-Shape hollow tube, not so good surface.
Import["http://dl.dropbox.com/u/68983831/tube02.vtk", "Graphics3D"]
I tried to use following vertex data ...
15
votes
2answers
924 views
How to calculate volume of convex hull and volume of a 3D object
I have a random 3D data points.
How to calculate volume of the convex hull and volume of the object.
