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3

Do you want something like this? \documentclass{article} \usepackage{tikz} \usetikzlibrary{decorations.markings} \tikzset{invmidarrow/.style={postaction=decorate,decoration={markings,mark={between positions 0 and 1 step #1 with {\arrow{latex reversed}}}}}} \begin{document} \begin{tikzpicture} \begin{scope} \draw [clip] (0,0) to[out=110,in=250] (0,2) ...

3

I would suggest you use the to syntax instead of the -- for connecting the squares. For coloring the squares you can define a list of colors via \pgfmathdeclarerandomlist: Notes: I used tikz's calc library to get the midpoint of the squares. Code: \documentclass[11pt,a4paper]{article} \usepackage{tikz} \usetikzlibrary{calc} ...

1

I don't understand what \blockquote does and I have no arabic font on my computer. But I am able to say where is the core of your problem. You have to split the text to two paragraphs and to set \baselineskip and \lineskiplimit for the first paragraph. It means (I did'n try this): \def\ar#1#2{{\luatextextdir TRT\arabicfont\baselineset ...

2

Today I returned to this question which I could not previously solve to my full satisfaction. But today, while exploring once more barbara beeton's suggestion in her very first comment, I could find a solution. Setting the value of \lineskiplimit to -\maxdimen forces LaTeX to adopt a single fixed line height throughout the document. On this basis, then, I ...

4

A grid will always have the same color, changing its colors depending on the current value is unsupported. But there is a different way. My idea is that we could draw two colorbars on top of each other: one with the shading (i.e. yours as-is) and one with colorbar sampled line and a bar marker. The key idea is to modify colorbar/draw, a code-key which ...

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