Questions tagged [transparency]

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2
votes
1answer
35 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 ...
11
votes
1answer
129 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 ...
2
votes
1answer
46 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 ...
0
votes
0answers
36 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 ...
0
votes
1answer
65 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 ...
1
vote
0answers
50 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 ...
2
votes
2answers
102 views

Transparency mask with vector image

Suppose we have a vector Graphics object, along with an arbitrary shape to use as a mask. ...
4
votes
1answer
756 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 ...
1
vote
0answers
84 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. ...
9
votes
3answers
841 views

Check if image has alpha channel

How can I check if an Image has an alpha channel? "What have you tried?" AlphaChannel and ...
7
votes
1answer
156 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 ...
7
votes
1answer
96 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 ...
10
votes
2answers
259 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: ...
1
vote
2answers
206 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....
4
votes
0answers
65 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 ...
2
votes
0answers
80 views

Transparency not retained Mathematica 3ds Export

I have a semi transparent 3d model that I have created in Mathematica and exported to 3ds, and obj file formats. Once I open the 3ds, obj files with blender or GLC Player, the models are not ...
2
votes
0answers
198 views

Plots in a Grid: negative spacing and transparency

I am trying to produce a grid of color plots, where only the outer frame borders have labels, labeled ticks, and color bars. So the outer dimensions of all plots in the grid are different, because ...
5
votes
3answers
274 views

Histogram with the smaller bar in front

I am trying to visualise multiple data sets in one histogram. When using one or two datasets, the automatic transparency of the bars keeps everything relatively easy to see. When going to three or ...
1
vote
1answer
342 views

How do I set the transparency in Image3D?

I have an Image3D plot, I like the color palette, but I don't like that for zero values the blocks are simply transparent (I would like them faint, but visible). How do I change the transparency ...
10
votes
1answer
222 views

Weird behaviour of multiple transparent Raster3D objects in one Graphics3D

Consider this code ...
9
votes
1answer
314 views

Transparent bitmaps or graphics in gui objects initially appear wrong

Bug introduced in V9.0 or earlier and persisting through V11.3 I have a problem with images with alpha channel which I want to use as labels on Button etc. Unless ...
4
votes
1answer
358 views

Superimposing ListLineIntegralConvolutionPlot with transparent noise over ListContourPlot

I have an array of 128x256 data points in a rectilinear array. For each point there is a 2D vector quantity and a scalar quantity (normalised to -1 <= x <= 1). I very much like the ...
1
vote
1answer
300 views

Make continuous 3D tube out of 2D image (Mathematica 8) [duplicate]

I have the following image with transparency: which I want to paste repeatedly into a 3D space to make it like a tube, something like this (but denser): I tried using the code from here but it tells ...
18
votes
1answer
1k views

How to obtain transparent animated gif via Export?

I have the following code to create animated GIFs: ...
28
votes
3answers
516 views

How can I restore the old ImageCompose behaviour?

Bug fixed in 11.3 Update This issue caught me out again so I contacted support once more. They have confirmed that the development team considers the new behaviour to be correct and claim that "...
17
votes
3answers
1k views

Graphics3D: Opacity limitations

Trying to make a better-looking globe model, I start off with something like this To enhance the 3D effect, I want the lines further from the eye to be "grayer" than the lines closer to the eye, as ...
5
votes
1answer
1k views

Problem When Trying to Export Graphics with Transparency to SVG

I'm trying to export a graph as a graphic to an SVG file with transparent background. When the background is specified as a color (or unspecified), it works just fine. When the background is specified ...
6
votes
0answers
206 views

Texture[] not working properly with Image AlphaChannel

I recently encountered a problem when combining multiple texture layers in an graphics object when the texture comes from an image with alpha channel. Apparently the alpha channel of the image passed ...
8
votes
3answers
983 views

Poor quality Rasterize output when Background -> None

I am attempting to generate partially transparent images for PNG Export, but seem to run to the following issue. If I Rasterize ...
18
votes
1answer
3k views

How do I flatten transparency on a graphics, for conversion to eps or similar?

I've got a graphic that I'd like to save as an eps file. Trouble is, the graphic has some transparency to it. Since the eps format doesn't handle transparency, I want to flatten the transparency out, ...
14
votes
2answers
908 views

Precise cropping with ImageCrop

Bug introduced in 8 or earlier and persisting through 12.0 or later Reported to the support as [CASE:3968587]. Published on Wolfram Community. In the presence of alpha channel ...
10
votes
1answer
172 views

Notebook with a WindowOpacity too small becomes “click-through” for mouse

I created a notebook and was manipulating its WindowOpacity option: ...
40
votes
2answers
1k views

What is the most effective way to setup a Notebook with transparent background but solid contents?

I know there is a Notebook option WindowOpacity can be used to adjust the opacity of a whole notebook. But what I want is keeping the text and graphics and so on ...