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Questions tagged [opacity]

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A possible bug when overlaying objects with zero Opacity [duplicate]

I believe I have discovered a bug in WolframScript but it's a priori more probable that I'm doing something wrong so I'd be grateful if someone either confirmed the problem, tells me what I'm doing ...
Haydon Berrow's user avatar
5 votes
3 answers
202 views

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 ...
lesobrod's user avatar
  • 1,699
2 votes
0 answers
48 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 ...
Nicholas G's user avatar
  • 1,981
2 votes
2 answers
414 views

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 ...
Emilio Pisanty's user avatar
3 votes
2 answers
550 views

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 ...
ChaSta's user avatar
  • 1,095
0 votes
0 answers
45 views

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? ...
nail's user avatar
  • 189
6 votes
2 answers
432 views

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 ...
Kvothe's user avatar
  • 4,491
4 votes
1 answer
212 views

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: ...
matrix42's user avatar
  • 7,108
1 vote
2 answers
104 views

Putting opaque legend background over gridlines in ContourPlot

Consider the code: ...
arpon's user avatar
  • 13
5 votes
1 answer
104 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 ...
user34722's user avatar
  • 291
1 vote
2 answers
88 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 ...
yirenng's user avatar
  • 21
6 votes
1 answer
1k 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 ...
sonarventu's user avatar
7 votes
3 answers
649 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 ...
hana's user avatar
  • 2,390
1 vote
1 answer
152 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 ...
hana's user avatar
  • 2,390
2 votes
1 answer
149 views

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 ...
Martha97's user avatar
  • 349
5 votes
2 answers
203 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. ...
A.Z.'s user avatar
  • 580
7 votes
3 answers
538 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. ...
Milk's user avatar
  • 1,718
3 votes
1 answer
237 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 ...
Pxx's user avatar
  • 711
0 votes
1 answer
79 views

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 ? *) ...
Jerry's user avatar
  • 91
0 votes
1 answer
334 views

How to make Sphere Transparent using ParametricPlot3D?

This is the code I used Edit: This is the full code to create this image ...
Nok's user avatar
  • 19
1 vote
0 answers
114 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 ...
Wynne's user avatar
  • 1,526
3 votes
3 answers
409 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: ...
Mac's user avatar
  • 263
7 votes
1 answer
514 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 ...
wonderich's user avatar
  • 923
4 votes
1 answer
103 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 ...
Timevortex's user avatar
5 votes
1 answer
447 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: ...
user505117's user avatar
6 votes
2 answers
376 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: ...
Janov's user avatar
  • 181
11 votes
4 answers
447 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 ...
piolio's user avatar
  • 131
5 votes
3 answers
1k 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: <...
Michał Kuczynski's user avatar
15 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. ...
puppet22's user avatar
  • 151
2 votes
1 answer
121 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 ...
vi pa's user avatar
  • 410
11 votes
1 answer
682 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 ...
Peter Todd Williams's user avatar
0 votes
1 answer
119 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 ...
HenryB's user avatar
  • 81
4 votes
1 answer
110 views

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 ...
Toorop's user avatar
  • 160
0 votes
0 answers
213 views

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 ...
q than a's user avatar
  • 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. ...
Wynne's user avatar
  • 1,526
0 votes
0 answers
77 views

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, ...
xingzheshengcun's user avatar
6 votes
2 answers
387 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 ...
Michael B. Heaney's user avatar
0 votes
1 answer
165 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: ...
Michael B. Heaney's user avatar
1 vote
0 answers
116 views

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 ...
Nasser's user avatar
  • 145k
0 votes
1 answer
415 views

Opacity or related issue with DensityPlot3D

I'm trying to make use of the function DensityPlot3D with the following specific example ...
SNC92's user avatar
  • 63
0 votes
1 answer
155 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 ...
lumw's user avatar
  • 593
1 vote
0 answers
104 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 ...
Wynne's user avatar
  • 1,526
2 votes
2 answers
193 views

Transparency mask with vector image

Suppose we have a vector Graphics object, along with an arbitrary shape to use as a mask. ...
Musang's user avatar
  • 1,048
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 ...
Vaggelis_Z's user avatar
  • 8,790
1 vote
0 answers
218 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. ...
Wynne's user avatar
  • 1,526
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 ...
Szabolcs's user avatar
  • 235k
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 ...
Alexey Popkov's user avatar
7 votes
1 answer
106 views

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 ...
Alexey Popkov's user avatar
10 votes
2 answers
368 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: ...
Alexey Popkov's user avatar
2 votes
2 answers
371 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....
Ali Abbasinasab's user avatar