Questions tagged [opacity]
The opacity tag has no usage guidance.
68
questions
5
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3
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197
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Summate opacity for AnglePath
I explore substitutions systems and use AnglePath visualization as an analogue of turtle graphics. I’d like to have the effect:
the lines that are visited more ...
- 1,197
2
votes
0
answers
42
views
Fadingout elements in Graphics
I build complex images using graphics primitives but I want to fade out some so I can place others or text with the transition not being abrupt. This would be easy if we could use ...
- 1,951
2
votes
2
answers
395
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Is it possible to get a transparent cuboid that's opaque in bulk but does not have any faces?
I am having some trouble getting ListContourPlot3D to behave correctly towards making a density-like plot for three-dimensional data, so I thought I would build an alternative myself by stacking ...
- 10.2k
3
votes
2
answers
540
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3D graphics that fade with distance
I'm looking to create a 3D graphic that fades into the background the further away things are. For example (the Right/Center cubes):
I figured the way to do this would be to create almost see-through ...
- 1,033
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0
answers
41
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How to apply Opacity for object and Textura separately?
I put text on the sphere. In my code below the Opacity[0.6] is applied for both. I want to make a sphere with Opacity[0.6] but text with Opacity[1]. How to make this?
...
- 189
6
votes
2
answers
424
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Making whole plot transparent
Is it possible to make a whole plot (including axes etc) transparent using a simple command?
To compare some figures I want to be able to quickly show plots over each other with one or multiple of ...
- 4,197
3
votes
1
answer
197
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Transparency affects anti-aliasing in version 13.2?
Retrogression in version 12.2 or 12.1
I am making an animation with transparency, antialiasing fails when the transparency reaches certain values, which brings a jitter. A minimalist example:
...
- 6,774
1
vote
2
answers
81
views
3
votes
1
answer
65
views
Multiple opaque objects occlude lines when they shouldn't
When more than 4 translucent objects overlap, they occlude any lines plotted behind them, no matter how small I make the opacity. Interestingly, while changing the 3D view, the line disappears behind ...
- 241
1
vote
2
answers
73
views
Problem with Plot Callout LabelStyle Opacity
I am having problems with setting the opacity of callout labels when plotting. Strangely, it only seems to work when the text color is red. In the following example, the odd labels should be 0.2 ...
- 21
6
votes
1
answer
897
views
Set transparency of the legend background in a plot
It is known that the instruction LegendFunction can be used to set the background color of the legend in a Plot or ...
7
votes
3
answers
588
views
How to make transparent markers without plotted lines going through them?
This is what happens when I use FaceForm[Opacity[0, White]]. The lines go across the markers:
How can I make the markers transparent inside, but so that the lines ...
- 2,688
1
vote
1
answer
134
views
How to remove the outline overlapping with grid? [duplicate]
Bug introduced in 12 or earlier and persisting through 13.1.0 [CASE:4899765]
How can I remove the outline in my export PDF here which seems to be caused by the overlapping of the shape and the grid ...
- 2,688
2
votes
1
answer
138
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Is there an alternative (instead of using Opacity) to obtain a clear parts for the overlapping area of three RegionPlots?
I want to combine three RegionPlot, and I need to do this in a way such that the overlapping and intersection parts of the plots are visible and clear. I use this ...
- 349
5
votes
2
answers
187
views
Exporting Plot with Filling creates unwanted Outline around Filling
Bug introduced in 12 or earlier and persisting through 13.1.0 [CASE:4899765]
The following code generates a plot that has a faint outline around the top, left, and right boundaries of the filling. ...
- 580
7
votes
3
answers
519
views
What is the cause of the weird output in the plot?
Bug fixed in 12.3
I am using v12.1.
I printed out the graph using the plot as follows.
But there was a strange dirt. This phenomenon occurs in the Sin and Cos functions.
...
- 1,522
3
votes
1
answer
191
views
Is it possible to have the opacity as a function of the input variable in Plot3D?
It is possible to make a Plot3D of a function $f(x,y)$, and to have the plot having its opacity $\alpha$ decrease as $x$ increases? For example say the plot has a ...
- 691
0
votes
1
answer
78
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What should I add to ListPlot to make result transparent?
(* Plot shows two overlapping data sets. I want to see all data by making them transparent. What should I add to ListPlot to make data transparent ? *)
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- 91
0
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1
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295
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How to make Sphere Transparent using ParametricPlot3D?
This is the code I used
Edit: This is the full code to create this image
...
- 19
1
vote
0
answers
104
views
Using MaTeX with outline to create transparency around the equation
Is there a way to combine outline around equations as described here, with the ideas proposed here to create images with transparent background?
Currently, since outline requires a color, I end up ...
- 1,516
3
votes
3
answers
384
views
transparent regions in 3D plots (flat semi-circle)
I am trying to plot one (or two) flat semi circles that are filled, and the filling is transparent.
Looking at some examples online I have come up with the following:
...
- 263
7
votes
1
answer
505
views
Draw an arrow such that this arrow gradually dims away?
How to draw an arrow such that this arrow gradually dims away?
Say the arrow head has Opacity[1],
but the arrow end has ...
- 903
4
votes
1
answer
88
views
ColorFunctionScaling and OpacityFunctionScaling with values other than 0 and 1
I have a 3D density plot that I was able to get to look okay with setting ColorFunctionScaling and OpacityFunctionScaling to ...
- 107
5
votes
1
answer
436
views
Opacity on Mac does not work
Bug fixed by 13.1
I am trying to run the following code, taken from https://reference.wolfram.com/language/ref/ContourPlot3D.html:
...
- 151
6
votes
2
answers
356
views
Opacity gradient in custom legend
I need to produce the legend of a plot which encodes a color gradient together with a color gradient. In particular, I would like the image bellow to have the blueish edge faded and the redish solid:
...
- 181
11
votes
4
answers
439
views
Change Opacity along a ListLinePlot
I'm trying to change the opacity of a line in a ListLinePlot for increasing x-value.
E.g. the line should have opacity 1 at beginning and shade than down to opacity along the line.
I want to take the ...
- 131
5
votes
3
answers
927
views
Transparent Background in an image
I'm wondering if it's possible to somehow change the background of the result of a plot function so that whenever I paste it in a movie editor, it will be transparent (not white). An example code is:
<...
- 370
14
votes
4
answers
1k
views
Opacity in Mathematica 12.1 not working properly
In Mathematica 12.1 if I try use Opacity less than 1, it does not work.
...
- 141
2
votes
1
answer
118
views
Problem importing a pdf with a character with increasing opacity
I want to import a pdf in MMA(ver 12.0).
The pdf is here.
This pdf has a "$c^2$" in the middle of the white square that is completely transparent in the first page, then it become progressively more ...
- 360
11
votes
1
answer
601
views
Mottled appearance of ContourPlot3D with transparency
I'm trying to make a ContourPlot3D that needs to be transparent. With transparency, however, something odd happens.
With ...
0
votes
1
answer
114
views
Problem With Filling
I am plotting the graph of the logistic equation in a manipulate. My borders range from {x, 0, 100}, {y, 0, 100}. I would like to fill the background of the plot with a light grey color, almost ...
- 81
4
votes
1
answer
108
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reduced image quality / sharpness when texture has opacity / alpha / transparency
The output of Graphics3D looks blunt (polygon borders, arrow) when a polygon primitive is present in the scene with texture that has opacity channel. Also it seems that different kind of texture ...
- 150
0
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0
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205
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How to save plots with opacity[0.5] with transparency?
How to save ParametricPlot with opacity[0.5] with transparency?
When I save the image the transparency is completely lot. in both pdf and eps files. I use
The following code for saving my parametric ...
- 183
0
votes
0
answers
65
views
Workaround for Opacity + Magnify bug in version 12?
Is there a workaround for the following bug in version 12.0.0. This is in MacOSX.
...
- 1,516
0
votes
0
answers
76
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Why the Opacity[] looks not work on my PC?
Help: Why the Opacity[] looks as a failure when I run it on my PC? How to do? The following figure is a code line in the Help. The left side is the result, and the transparency effect is not obvious, ...
6
votes
2
answers
386
views
How does one splice together parts of two 3D density plots, without changing the original colors?
How does one splice together the t=0 to 59 part of the first plot with the t=59 to 60 part of the second plot, without changing the original colors of either plot? I have spent hours looking for an ...
- 1,627
0
votes
1
answer
160
views
Are there better ways to plot a continuous scalar function of three variables?
I am plotting a continuous scalar function of three variables with this code:
...
- 1,627
1
vote
0
answers
105
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What is the correct way to use OpacityFunctionScaling with DensityPlot3D?
I am trying to plot solution of heat PDE in 3D. Inside a cylinder.
To do this, I am using DensityPlot3D. But I am having hard time getting the colors to show in ...
- 137k
0
votes
1
answer
404
views
Opacity or related issue with DensityPlot3D
I'm trying to make use of the function DensityPlot3D with the following specific example
...
- 63
0
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1
answer
143
views
How to make object to be transparent?
code follows
Graphics3D[{EdgeForm[None],
Import["ExampleData/seashell.stl", "GraphicsComplex"]
}
]
can i make the seashell to be transparent?
example from ...
- 583
1
vote
0
answers
103
views
MaTeX bug when combined with a transparency
Works fine:
Graphics3D[{{Opacity[1], Polygon[{{0, 0, 0}, {1, 0, 0}, {1, 1, 0}, {0, 1, 0}}]},Inset[MaTeX["P", Magnification -> 4], {.5, .5, .5}] }]
Works not ...
- 1,516
2
votes
2
answers
189
views
Transparency mask with vector image
Suppose we have a vector Graphics object, along with an arbitrary shape to use as a mask.
...
- 1,008
4
votes
1
answer
2k
views
How to make transparent all the white areas of an image
Let's take a sample image
Now I want to make transparent all the white areas of the image, so as to be able to copy/paste it above text
After the copy/paste only the color parts (non-white) of the ...
- 8,560
1
vote
0
answers
194
views
Problem Exporting rotated MaTeX with a transparency
I'm trying to save an Graphics with rotated MaTeX and a transparency. My code is below.
...
- 1,516
9
votes
3
answers
2k
views
Check if image has alpha channel
How can I check if an Image has an alpha channel?
"What have you tried?"
AlphaChannel and ...
- 233k
7
votes
1
answer
178
views
What is the logiс behind handling alpha-channel by various image-processing functions?
(Cross-posted on Wolfram Community.)
When working on the answer to this question I discovered that starting from Mathematica 10.0 the behavior of such functions as ...
- 61.5k
7
votes
1
answer
103
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A bug and inconsistency in current image arithmetic operations?
Let us start from a single-pixel RGBA image:
i = Image[{{{0., .4, .7, .8}}}, Real, ColorSpace -> "RGB"];
Multiplying by .5 ...
- 61.5k
10
votes
2
answers
363
views
Blur, GaussianFilter and ImageConvolve doesn't work on some images
In versions 8.0.4 and 9.0.1 applying Blur to an image gives expected result:
...
- 61.5k
2
votes
2
answers
365
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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....
- 175
4
votes
0
answers
81
views
Inconsistent opacity of points in exported 3D graphics with vector image format
An input of 3D graphics of points with specific opacities for each gives a correct output graphic in its worksheet, but its exported graphic with vector format (e.g. eps, pdf, etc) gives wrong ...
- 41