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Thank you very much.

How can I get type of points like this picture?
My code
\documentclass[border=1.5mm,12pt]{standalone}
\usepackage{fouriernc}
\usepackage{tkz-euclide,amsmath}
\usetkzobj{all}
\begin{document}
\begin{tikzpicture}[line join=round]
\def\a{3}
\tkzDefPoint(0,0){A}
\tkzDefPoint(\a,0){B}
\tkzDefPoint(\a,\a ...

Thank you very much.

I have a code
\documentclass[border=2mm,12pt]{standalone}
\usepackage{tikz}
\usetikzlibrary{positioning,intersections,calc}
\usepackage{fouriernc}
\usepackage{tkz-euclide}
\usetkzobj{all}
\usetikzlibrary{shadings}
\begin{document}
\begin{tikzpicture}
\def\h{4}
\def\b{2}
\def\c{5}
\coordinate (A) at ...

I posted my question at here https://tex.stackexchange.com/questions ... 863_427552 and got the answer. just add the option /tikz/overlay to the two \tkzDefLine[parallel..]

I don't know how to remove white space after this picture. And this is my code.
\documentclass[border=1mm,12pt]{standalone}
\usepackage{fouriernc}
\usepackage{tkz-euclide,amsmath}
\usetkzobj{all}
%\tikzset{hidden/.style = {thin, dotted}}
\tikzset{hidden/.style = {thick, dashed}}
\tkzSetUpPoint[size ...

Thank you very much.

Thank you for all your helps. I repaired my code and got the same results.
Please comment my code. I need all comments.
A big problem is how to write a marco to draw style of line (dashed, not dashed) automatically. I can not solve this question by myselt.
This is solved by hand.

\foreach \i in ...

Thank you very much. I still a small problem:
How can I reduce this command

Thank you very much.