transparency is about transparent material in (La)TeX documents

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77
votes
11answers
24k views

Multiple PDFs with page group included in a single page warning

I updated TeX Live to the Ubuntu Quantal version (2012.20120611-4) and I suddenly got this warning: PDF inclusion: multiple pdfs with page group included in a single page This is a minimal ...
57
votes
1answer
34k views

Tikz: use opacity for fill, yet leave draw (lines) untouched

When I use the tikz key opacity for a polygon in a tikzpicture, it applies to the drawn fill as well as to the draw lines. I would like to have it this way that the lines remain untouched by the ...
33
votes
1answer
25k views

Includegraphics: set image opacity

I'd like to insert a PDF, but make it "lighter" by setting the opacity to 10% ("background watermark"). How to do that? A solution that works with texlive 2011 would be great. I use pdflatex and ...
28
votes
3answers
16k views

How do I get transparent text?

I am trying to make a picture for the cover of my thesis using LaTeX. I have a background picture and I would like to have transparent (math) text on top of it, how do I achieve this? I have tried to ...
26
votes
4answers
1k views

Can fuzzy borders be added to external pictures programmatically?

In my opinion, external pictures are often more pleasing to the eye on a white background when they have fuzzy rather than "sharp" borders. For instance, compare this to that Adding fuzzy ...
25
votes
3answers
21k views

Techniques for embedding images with transparent backgrounds in LaTeX

I am trying to embed an image with a transparent background in my LaTeX poster. However a quick google search has taught me that it is not possible to do so. However I intend to know any clever ...
24
votes
3answers
3k views

Using opacity in TikZ causes strange rendering in Acrobat.

I have a problem using opacity in TikZ. Whenever I use it somewhere in a picture, I get weird side-effects: colors in (some) other parts of the documents are changed apparently randomly and it makes ...
24
votes
3answers
9k views

\includegraphics PDF, color problem

I'm using pdflatex, and use \includegraphics to include content of figures from PDF. PDF are exported from InkScape. \begin{figure} [!h] \centering \includegraphics[height=3cm]{fig/SUSAN.pdf} ...
22
votes
2answers
8k views

Transparent foreground watermark

As a follow-up to Add watermark that overlays the images, I'd like to have a transparent foreground watermark that doesn't render the underlying content, i.e. text and images, illegible. Is that ...
21
votes
3answers
2k views

Using opacity in TikZ makes the entire page become “more coarse” when printed

In my document, some of the figures uses opacity. In the PDF viewer, everything looks fine, but when I print the document, the pages in which these figures appear become more "coarse"; the text looks ...
18
votes
2answers
1k views

Can I place a caption inside of an image?

I've recently seen this the following image in this question: As I was looking for a way to create nice captions (without the "Figure:") for a beamer presentation, I wondered if it was possible to ...
17
votes
2answers
927 views

Blend/transparency styles in pstricks and TikZ

As depicted below, Illustrator offers various transparency styles: It is my understanding that, at this point, pstricks and TikZ are both limited to the normal style listed above. Could the other ...
17
votes
3answers
19k views

How to specify transparent colors?

What options are there to specify transparent colors, say the background in the example below? I thought xcolor would be able to do this but I can not find any reference to "alpha" or "transparency" ...
16
votes
5answers
3k views

Inkscape SVG with opacity exported to PDF in pdflatex document not displayed correctly on Mac OS X

I use Inkscape to create graphics which I export to PDFs in order to include them into a LaTeX documents (with \includegraphics and using pdflatex). I didn't notice that there is something wrong until ...
16
votes
2answers
12k views

How to change white background of an included PDF to transparent

I have an external 100 pages PDF document (not created by pdflatex) that I \includegraphics page-wise into a beamer presentation. The external PDF document employs white as page color, but I need the ...
16
votes
1answer
676 views

highlighting some areas in a picture by making the rest of the picture transparent

In my beamer-document, I'm drawing on a picture as described in this question. I'm trying to hilight particular areas of my picture by making the rest of the picture "fade out", like this: In my ...
15
votes
3answers
12k views

Overlay images and block in beamer

I found this slides on Internet with a very nice style. http://www.eecs.harvard.edu/~tov/pubs/alms/alms-popl2011-slides.pdf How can I overlay blocks and image as in this slides? Specially this ...
15
votes
1answer
553 views

Text reflection effect

How could I achieve with LaTeX a trendy text reflection effect as the following one?
15
votes
2answers
605 views

Transparency vs image compression dilemma

I have a bunch of raster images that I want to include in a poster. For aesthetic reasons I want to replace the image background by a transparent one. So far, I have been grabbing the images I had ...
14
votes
2answers
3k views

Difference between draw=none and draw opacity=0 (also for fill=none and fill opacity=0)?

What is the difference between the TikZ key-value pairs draw=none and draw opacity=0? Are they functionally equivalent, or are there situations in which one should be preferred over another? ...
14
votes
1answer
4k views

Re-cover Beamer overlays, while keeping a subphrase uncovered?

Original question In a Beamer presentation that I am writing, I have an itemize list and would like to make each item visible one-by-one. Then, starting on the slide after a given item appears, I ...
13
votes
2answers
1k views

How to add a transparent shadow to a block in beamer?

Here my attempt to add a shadow to a block: \documentclass{beamer} % add a background image \setbeamertemplate{background canvas}{\includegraphics[height=\paperheight]{example-image}} % use rounded ...
12
votes
2answers
921 views

PSTricks transparency does not work with MikTeX's XeLaTeX

I use MikTeX and have updated all packages several minutes ago. The problem is that XeLaTeX produces a weird result where the transparency parts become opaque. It is not caused by preview as ...
11
votes
2answers
2k views

Transparent background for mdframed environment?

Is it possible to specify a transparent background colour for the mdframed environment, so that anything which might be underneath will be visible?
11
votes
2answers
2k views

pgf(plots) node shadow/opaque pin

Is it possible to place a shadow/fill/opaque setting on text of a node pin? I know I can do that with the actual node, but I am using \node in pgfplots to mark some stuff on graphs, and it would be ...
11
votes
1answer
829 views

Relative transparency in TikZ?

I have always wondered whether it was possible to define some sort of "relative" transparency in TikZ. What do I mean? Sometimes, you want a node to be filled in order for its content to be readable ...
11
votes
3answers
415 views

Draw extruded objects with pst-3dplot

I would like to draw a plane with a hole in its middle. So far, I've only gone around this problem by plotting a white ellipse in the middle of my plane. However, I would like the hole to be actually ...
11
votes
1answer
4k views

Creating two filled plots that overlap with transparency

I'm using pgfplots to plot two filled curves. I'd like them to overlap transparently so that the "lower" figure can be seen through the "upper one". Using the forget style mode will draw the first ...
11
votes
1answer
504 views

PDF Colour Space and ConTeXt

Background Trying to create a PDF that includes a vectorized cover page having transparent colours. I would like the PDF to have the same appearance in Acrobat Reader, Firefox PDF Viewer, Foxit ...
11
votes
3answers
1k views

includegraphics: How to check if PDF/PNG are transparent?

I am trying to generate PDF/A-1 compliant documents, in which transparency is not allowed. I would like to check, if included PDF and PNG images have transparency. Is there a TeX way to check this? ...
10
votes
4answers
441 views

Semitransparent outside “clipped” region?

To highlight part of a graph for a presentation that I'm writing, I would like to "circle" an area and make semitransparent everything outside that area. Anything inside that area should remain ...
10
votes
1answer
1k views

Transparent shade using TikZ

I wonder whether it is possible to create a transparent shading effect (like the one below) without an exact specification of the fill color. This solution is good until I have to change the ...
10
votes
3answers
2k views

TikZ multipart nodes: How to set text attributes (opacity) for some/all parts

I am using TikZ with the rectangle split multipart node (detailed on pp 450ff in the PGF 2.1 documentation). I need to influence the text opacity of all parts, but whatever I try seems to work only on ...
10
votes
2answers
523 views

Including an image with a faded border

I want to include an image. However, to make it blend in a little better, I'd like to add (overlay) a faded border that doesn't exist in the figure at the moment. My attempt is to use transparent and ...
10
votes
1answer
1k views

Alpha channel in colortbl

I'm using the colortbl package to color table cells. I've combined this w/ the xcolor package to define my own colors. However, it appears that xcolor does not support transparency. I saw the ...
10
votes
1answer
2k views

Background transparency for PDF/SVG

I am using lua/xe/latex to generate a logo as a PDF and convert it to an SVG using pdf2svg for use on a web page. I would like to have a transparent background for the PDF and SVG. The transparent ...
10
votes
1answer
373 views

unattractive additive effect to opacity with pstricks

I'm using pstricks to highlight by boxing or circling replacement text in my math equations. But, I don't want this highlighting to occlude what's behind it. So, I've been setting opacity or ...
9
votes
2answers
246 views

Good way of ignoring \draw, \fill or \node

I know three ways how to "ignore", or at least "hide" something in TikZ using [...] or \tikzset{bla/.style={...}}: [draw=none] (works like charm for \draw, but doesn't work for node contents; [white]...
9
votes
1answer
1k views

Partially transparent text box

I am trying to make a poster using beamer. Can any one please reply me, my question is: How can I make my boxes partially transparent so that my background will be visible through the boxes?
9
votes
1answer
3k views

Tikz fade with transparency so background is visible in beamer?

I am writing a presentation in beamer. I have a background image that I have included with \setbeamertemplate{background canvas}{...}. Within a regular slide, I now would like to create a rectangle ...
9
votes
1answer
833 views

Tikz with contour and transparency

I made a logo for the math software Maxima with Tikz, using the contour package and transparency, but the contour seems to show up "behind" the letters in addition to around them. This shows up when ...
9
votes
1answer
810 views

Plot a triangular grid inside of a hexagonal grid?

I have made the following grid: With the following code: \documentclass{standalone} \usepackage{tikz} \usetikzlibrary{shapes} \begin{document} \begin{tikzpicture} [hexa/.style= {shape=...
9
votes
2answers
208 views

Faulty opacity coloring in TikZ

Lately I've been having trouble with the colors in TikZ. When using opacity, the original color completely changes (red > blue-ish, yellow > green). Honestly I have no idea of the cause, but this ...
8
votes
1answer
21k views

Transparent image background in beamer

I want to add a background image in my beamer presentation. The thing is that when I use \usebackgroundtemplate{ \includegraphics[width=\paperwidth, height=\paperheight]{cern-logo.jpg} } in my ...
8
votes
2answers
2k views

Transparency in tikz, preview package and xelatex

Is it possible to have transparency in a tikz picture while using the preview package and compiling with xelatex? The following mwe compiles without warnings/errors under both xelatex and pdflatex ...
8
votes
2answers
545 views

MetaPost: Adjust colour value (brightness/luminosity)

Background In MetaPost, colours can be lightened or darkened by calling the transparency function. However, this allows other colours to show through, which isn't necessarily desirable all the time. ...
8
votes
1answer
285 views

preview.sty and font transparency in LuaLaTeX

Using the preview package removes font transparency in LuaLaTeX: \documentclass{article} \usepackage{luaotfload} \usepackage[active]{preview} \begin{document} \begin{preview} \font\x="texgyrebonum-...
8
votes
1answer
592 views

Combining shading and transparency in TikZ

With this code: \documentclass{article} \usepackage{tikz} \begin{document} \begin{tikzpicture} \fill[shading=radial] (0,5) circle (2); \fill[top color=black] (5,3) rectangle (9,7); \fill[shading=...
8
votes
2answers
895 views

Asymptote: Transparency causes strange color rendering in Adobe Acrobat

I noticed that using transparency in a picture that's compiled as vector graphic output (render=0, no PRC) leads to strange colors (they look paler and desaturated) when the resulting picture is ...
8
votes
1answer
749 views

tikz/eso-pic watermark isn't transparent on the first page

I'm seeing odd behavior when trying to use a watermark with tikz and eso-pic. Here is my example document: \documentclass[10pt]{article} \usepackage{eso-pic} \usepackage{tikz} \newcommand{\...