229 views

Is there a better way to produce a shape with exclusions in RegionPlot3D? [duplicate]

I'm attempting to create a certain shape. It's essentially a rectangular prism with an array of cylinders cut out of it, and then some half shells of cylinders along the sides. My attempt is basically ...
1k views

How to plot the difference between two regions? [duplicate]

I'm trying to take the difference between two regions. In this case, one region is a cuboid, and the other is a cylinder. Here's what they look like drawn with Graphics3D: ...
390 views

Low resolution with RegionPlot3D [duplicate]

To draw a cuboid with RegionPlot3D I can simply specify a function: ...
76 views

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7k 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 such ...
570 views

Plotting the Layers of Earth

I want to generate a picture like below with Mathematica. I mean exactly the same thing, except maybe the map depicted on the outer layer. But I don't know where to start from! I would appreciate it ...
3k views

Region bounded by x^2+y^2=1, y=z, x=0, z=0, in first octant

I need to draw (pencil and paper) the region bounded by $x^2+y^2=1$, $y=z$, $x=0$, and $z=0$ in the first octant. So the first assistance I asked of Mathematica is: ...
901 views

How to generate 3D spherical sector

I looked but haven't found an answer to this one: I'd like to create a region that represents a sector of a ball, bounded between radii $r_1$ and $r_2$, polar angles $\theta_1$ and $\theta_2$, and ...
1k views

Controlling quality of discretized region meshes

EDIT: Impact of this problem has been considerably lessened in v10.2. Although new version is still not performing analytical discretization at sharp corners (there are jaggies), evenness of sampling ...
767 views

Tailoring RegionPlot3D with PlotPoints?

This seemingly tame solid gives Mathematica (v9) a bit of a workout if you want to generate a good picture: ...
1k views

Filling between two spheres in SphericalPlot3D

Manipulate[ SphericalPlot3D[{1, 2 - n}, {θ, 0, Pi}, {ϕ, 0, 1.5 Pi}, Mesh -> None, PlotPoints -> 15, PlotRange -> {-2.2, 2.2}], {n, 0, 1}] I cant' ...
1k views

drawing core-shell structure [duplicate]

I am pretty new in Mathematica drawing. I am trying to draw a core-shell structure, it means a core sphere with a shell sphere, like this It can be in 2D or preferentially in 3D. Does someone can ...
1k views

Graphics3D: Objects with holes

In a recent project, I found out that there is a big limitation when using Graphics3D to construct objects - it lacks the ability to construct objects with holes in ...
Could a few people share the best way to display the image created by rotating the region bounded by $y=x^4$ and $y=1$ about the line $y=2$? Thanks. Update: I took JasonB's hint and tried this: <...