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Questions tagged [rendering]

The tag has no usage guidance.

2
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1answer
93 views
3
votes
1answer
48 views

How to render a segmented volume?

Here is a segmented volume with 96 different features. I wish to visualize each feature with a distinct color. I followed this documentation and used Blend to ...
12
votes
4answers
204 views

Set pixel aspect ratio?

Bug probably present through all versions of Mathematica [CASE:4081592] Does Mathematica have a feature to set the pixel aspect ratio of 2D images? For example, ...
8
votes
1answer
155 views

Graphics resolution issue

I have an issue with how different types of graphics are rendered alone versus in combination. If I render a simple circle like so: ...
1
vote
1answer
58 views

Projecting Graphics3D onto the 2D plane for vector export (and solving other issues; revisited)

tl;dr: Q: How can we turn a Graphics3D into a manageable Graphics object with only 2D graphics primitives for vector export? A:...
1
vote
0answers
64 views

Rasterize: Work around ImageFormattingWidth being broken

Bug introduced in 11.1 or earilier and persisting through 11.3 Confirmed: CASE:4041910 Update The behavior described below only occurs inside the Documentation notebook or for cells with certain ...
3
votes
0answers
110 views

How does Mathematica draw 2D and 3D graphics?

I'd like to know Mathematica draws 3D graphics with respect to platform it's running on? For Windows: Is it using Diret3D(DirectX)? For Linux/Solaris: Is it Using OpenGL or Vulkan? For Mac OS X: ...
12
votes
2answers
173 views

Why BoundingRegion does not work well?

Bug introduced in 8 or earlier and persisting through 11.2.0 The underlying bug is unstable and wrong rendering of Disk[] and ...
1
vote
1answer
134 views

Unable to discretize a union of primitives

I am using MMA 11.0.1.0, tested on both Ubuntu 64-bit and Windows 10 64-bit. The documentation has a nice example with a capsule: Both plotting and explicit discretizing works perfectly, the code is ...
11
votes
3answers
413 views

Overlapping graphic primitives

I am trying to make a figure in Mathematica using some graphic primitives: ...
8
votes
1answer
251 views

Can I trust area calculations over discrete MeshRegions? Flipped triangles, possible visual bug

The following code produces a MeshRegion in two different ways. Unfortunately, the first method produces weird artifacts in ...
6
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3answers
259 views

Trouble with discrete MeshRegions: Integrating over plane slices

I would like to slice a discrete 3D region with a plane, and integrate some field over the resulting 2D region (embedded in 3D). Let me be clear: I do not mean analytical regions (the kind you could ...
1
vote
2answers
115 views

Color disparity in legend and graph due to opacity

I have the following graph: Due to opacity, my legend coloring is not matching my graphs and it might be confusing. Is there any remedy? I could not get the coloring what I wanted due to the opacity....
14
votes
1answer
460 views

Is it possible to re-mesh, downsample & upsample a DiscretizeRegion object?

In my project, I am importing a complex geometry from an STL file into Mathematica as a MeshRegion. I would like to edit this mesh significantly: For instance, drastically reduce or increase the ...
4
votes
1answer
222 views

Image3D: Specify distance between image slices

When applying Image3D to an array of binary images, how can I specify the Z-depth between these images? Consider the RegionPlot3D of $x y z < 1$: ...
2
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0answers
88 views

Problem with Graphics3D and opacity in 11.1.1

When an opacity option is added to a 3D object, all 3D object looked blurry. Operating system: Windows 10 64 bit. Mathematica Version: 10.4.1 and 11.1.1. ...
4
votes
0answers
275 views

How to Render, raytrace, Export Graphics3D in Mathematica 11.0

The Mathematica Package below exports to either of two popular human readable raytracer file formats (not 3ds which is proprietary/binary), and can be used Live in Mathematica interactively/Live. (it ...
3
votes
0answers
64 views

More efficient ListLinePlots? [duplicate]

I'm generating grids of ListLinePlot objects with hundred thousands of points each, and my notebook gets very slow very fast. IE, I have a hard time scrolling once ...
4
votes
0answers
63 views

ImagePadding -> Scaled inconsistency

Let us make a simple Graphics with Scaled ImagePadding specification and check the actual ...
0
votes
2answers
250 views

Render Graphics3D over Plot3D

I'm using Show to merge Graphics3D with different 3D Plots. For example: ...
2
votes
1answer
68 views

Tube@BSplineCurve not mapping correctly?

(There's a tl;dr at the bottom.) I'm attempting to do what's effectively fake branching in a random walk. I generate one random walk (in the real rather than the integers, but with steps of magnitude ...
20
votes
1answer
231 views

Shaking parts in animations

I made the following animation, but the disks and the rectangle are shaking, breaking the smoothness of the motion. Here is a minimal example. If you look carefully you will see the disks are ...
0
votes
1answer
98 views

GraphPlot3D different colours of edges

How can I plot edges with different colours in a GraphPlot3D? Porperties of edges are collected in a vector, I want to plot each edges in a range of colours consistent to these properties. ...
7
votes
0answers
419 views

A Graphics3D bug in version 11.1.0

Bug introduced in 11.1.0 and fixed in 11.1.1 When an opacity option is added to 3D graphics, the axis labels go wrong, in such a way that the notebook's background colour (which can be user-defined) ...
3
votes
0answers
73 views

Shading colours reversed on negative bar charts

Bug introduced in version 11.0 Using simple cuboids in BarChart3D results in flipped colours for negative bars. Any ideas how to fix this simply? ...
4
votes
1answer
210 views

Unequal grid lines thickness in exported graphics

When I export plots with gridlines as images, both as .jpg and .png, some of the lines are much thicker than the others. In Mathematica they all have the same thickness. How can I solve this problem? ...
6
votes
1answer
229 views

Plot points shifted (a lot) in output and PNG export but not in PDF export

Bug introduced in 8 or earlier and persisting through 11.2.0 Consider the following code: ...
5
votes
0answers
91 views

How to set Antialiasing -> False on legend frame

The legend box has antialiasing by default. How can it be switched off? ...
1
vote
0answers
204 views

How to use Halton sequence in Quasi Monte-Carlo integtation

I am trying to use Halton sequence numbers for MC estimator for rendering equation. At the moment I pass one instance of .Net Random object and get next number every time using same object thought the ...
8
votes
0answers
148 views

ImageSize bug in Rasterize

Bug introduced in 8 or earlier and persisting through 11.2.0 In version 11.0.0 I am getting incorrect sizes from Rasterize. The problem remains in 11.0.1 ...
3
votes
1answer
213 views

Rendering Raster3D intersecting with vector primitives

Bug introduced in 9.0 and persists through 11.1.1 Reported to WRI under [CASE:3678032] It crashes the FrontEnd of Mathematica 10.4.1 on Windows UPDATE #2 27.04.17 Redacted due to outdated GPU ...
4
votes
1answer
174 views

Unattractive streaky rendering of Graphics3D images

I often find that Graphics3D drawings appear "streaky" in places. This can be seen in the picture below (taken from my question here). There is an unattractive patch where the colour changes ...
15
votes
3answers
426 views

3D graphics rendering artifact with overlapping planes (z-fighting)

I am trying to render a matrix as a depth map: ...
4
votes
1answer
124 views

How to plot points in 2D without restricting their apparent positions to pixel grid?

Compare the two renderings of the same point in the following code (this is just a reduced example, I know I could just zoom in the scene, it's not an option in original code): ...
5
votes
1answer
306 views

Graphics3D/Plot3D rendering issue

I have an issue in Mathematica with the rendering of 3D graphics. Two sides (right and bottom) of some sort of bounding box are present, and, in the instance of ...
7
votes
1answer
2k views

Causes “libGL error: failed to load driver: swrast” an Huge Overhead in Parallel under Version 10.3?

Under Linux (SUSE Linux Enterprise 11) for Mathematica Version 10.2/10.3 I observe the following error in parallel ...
0
votes
0answers
31 views

How to get an image when having indices of pixels [duplicate]

I am doing a perspective projection of a list of voxel V={v1,v2,v3,...,vn} using the perspective projection matrix 3*4 to get the indices of each pixel pi=(xi,yi). pi=P*vi Once I get the indices, I ...
10
votes
1answer
208 views

A bug in Rasterize?

I plot a straight diagonal line and then simply rasterize it. Consider what happens (Mathematica 8.0.4, 10.2 and 11.1.1 on Windows 7 x64): ...
0
votes
0answers
79 views

What should look for in a computer to render Mathematica graphics faster? [duplicate]

I am a macbook pro user. I currently use a 2012 Macbook Pro 2.3 ghz Intel Core i7 with 8gb 1600mhz ddr3 ram and a nvidia GeForce GT 650M 1024 mb graphics card. I use the Manipulate function in ...
21
votes
2answers
314 views

How to avoid the wiggly text on Ticks and Labels when rotating 3D objects

Motivation I'm trying to do a nice animation of the rotation of a ParametricPlot3D . My problem is that the Ticks numbers and <...
1
vote
0answers
53 views

Inconsistent font rendering when using a remote kernel on a different OS

I have a Mathematica 10.0 on Linux and one on OSX. I'm using the OSX as a remote kernel. During parallel computation, if I render some graphics, the fonts and axes are not rendered the same way ...
12
votes
1answer
311 views

How can I make FilledCurve smoother?

In How can I generate and randomly assign color to annular sectors? J.M. showed an interesting way to create a sector graphic using FilledCurve. Unfortunately it ...
1
vote
1answer
218 views

Unable to render 3D plots in Mathematica on Raspberry Pi [closed]

I just bought a Raspberry Pi 2 and I've just started to use Wolfram Mathematica. I tried to execute one of the examples given in the Wolfram documentations page. The problem that I am facing is that ...
0
votes
1answer
220 views

RegionPlot3D of MeshRegion with VertexColor-like behavior

I regularly use the VertexColors option with GraphicsComplex[] to render images of objects with certain attributes at the ...
1
vote
0answers
403 views

Bad rendering of rotated text in 3D graphics in notebooks

Why is my rotated text so badly rendered in 3D graphics in notebooks (the exported pdf are OK). It happens for me with v9 or v10.1.0 and OSX (10.9.5). Notice that the rendering is good in 2D ...
6
votes
1answer
205 views

Graphics3D and Bit Depth of Rendering

A year or so ago, I sent this question to WRI (nb- a former employer of mine) and, as happens with bug-reports-that-arent-bug-reports, it was swallowed into the black hole that is Chambanna. So- I ...
1
vote
1answer
120 views

Speeding up EPS exporting ?

I'm using Mathematica 10 to render some figures, and I'm noticing some strange behaviour with EPS figures. I'm making figures like the one below in EPS format. And to do so, I use some code like ...
6
votes
1answer
574 views

Rendering a 3D volume with Image3D

I have 2D JPEG images, of 1024 x 1024 pixels, corresponding to a 500 x 500 square micron section. These images are taken from slices of tissue, each slice seperated by 10 microns. I've been trying to ...
15
votes
2answers
689 views

Mathematica, animations, and external ray tracing programs

As much as I enjoy and admire Mathematica's animation capabilities, I would like to take my animations to the next level by exporting the geometry of every frame to an external ray tracing program (...
11
votes
0answers
267 views

How to make Graphics3D with multiple lighting sources being rendered faster

I have a very "precise"(through setting "SpherePoints") Sphere illuminated by hundreds of random color lighting sources. The ...