2
votes
1answer
62 views

Scaling color in PStricks?

Is there a way to scale/remap/transform the colors in a pstricks picture? More detailed: I have some pstricks code which uses grayscale colors. I want to remap the colors from [0,1] to [a,b], where 0 ...
10
votes
1answer
277 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 ...
8
votes
1answer
146 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. ...
1
vote
1answer
329 views

Beamer - Transparent footline?

I am using a picture as a background for beamer slides. I would like to have my name and page numbers at the bottom of the slide. I do not like the bottom bar to cover the background image. Is it ...
9
votes
1answer
237 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 ...
5
votes
1answer
319 views

Define colour transparency in relation to existing colour

Background Using ConTeXt to develop a nice theme where users can change the colour scheme, but still get the same "feeling" for the output, primary, secondary, and tertiary colours are defined. For ...
7
votes
1answer
361 views

Transparency with psSurface in pst-solides 3D

I'm trying to draw a graph with pst-solides3D with the option psSurface : The problem is as follows : I want to draw z = +/- (y^2-y^2), which should give a saddle-point graph with the lines x=y and ...
6
votes
2answers
779 views

Included pdf (wallpaper, or includegraphics) has different colors [duplicate]

Edit: Duplicate-clickers, please read on - I believe this case is different, for the following reasons: a) As I said in original post, I am not printing with Acrobat, but using Skim and Mac OSX ...
1
vote
1answer
880 views

Opacity in TikZ, ruins whole structure in Beamer [closed]

I am making a presentation in beamer. I wanted to make a TikZ picture and change it's opacity, locally on specific items. When I did, the structure color changed... I will attach my preable as well ...
4
votes
1answer
951 views

How to keep transparent fcolor box?

I am using \fcolorbox on a background that is itself colored; I don't need color inside the box, and I want its background to be transparent so that the background color shows through. The ...
13
votes
1answer
7k 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 ...
12
votes
3answers
7k 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" ...
5
votes
1answer
201 views

Error “Dimension too large” (\@tempdima) when using HTML color 097054 with beamer's \setbeamercovered{transparent} option

The code \documentclass{beamer} \mode<presentation>{\setbeamercovered{transparent}} \begin{document} \begin{frame} \onslide<2>{\textcolor[HTML]{097054}{foo}} \end{frame} ...
4
votes
2answers
3k views

stripe pattern tikz manual chapter 78

Interleaving two colors in a stripes pattern Aim: coloring a shape (rectangle, circle, etc.) in two interleaving colors with the aid of patterns. One solution would be the definition of four ...
16
votes
3answers
5k 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} ...
8
votes
1answer
652 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 ...