File:ReflexionChampObservation.svg

% Copyright

% Auteur : Hervé Darce

% Ce fichier source et l'image associée sont sous licence Creative Commons Attribution - Partage dans les Mêmes Conditions 4.0 International (https://creativecommons.org/licenses/by-sa/4.0)

% Transformer un fichier tex en svg :

% latex ${file}.tex && dvips ${file}.dvi && ps2eps ${file}.ps && eps2svg ${file}.eps

 \documentclass[a4paper]{slides}
 \usepackage[french]{babel}
 \usepackage[utf8]{inputenc}
 \usepackage[T1]{fontenc}
 \usepackage{pstricks}
 \usepackage{pst-eucl}
 \usepackage{amsmath}
 \usepackage{ccicons}
 \usepackage{pst-optic}
 
 \definecolor{BleuVerre}{cmyk}{0.2,0,0,0}
 \begin{document}
 \setlength{\unitlength}{1cm}
 \small
 \psset{unit=1cm}
 \begin{pspicture}(-7,-3)(9,4)

% initialisation

 \psset{arrowscale=3}

% points

 \pstGeonode[PointSymbol=none,PointName=none](0,3){M'_1}
 \pstGeonode[PointSymbol=none,PointName=none](0,-1){M'_2}
 \pstGeonode[PointSymbol=none,PointName=none](0.2,3){M'_4}

 \pstGeonode[PointSymbol=none,PointName=none](0.2,-1){M'_3}
 \pstGeonode[PointSymbol=none,PointName=none](-5,-2.5){O}

% Miroir

 \pstRotation[PointSymbol=none,PointName=none,RotAngle=0]{I}{M'_1}[M_1]
 \pstRotation[PointSymbol=none,PointName=none,RotAngle=0]{I}{M'_2}[M_2]
 \pstRotation[PointSymbol=none,PointName=none,RotAngle=0]{I}{M'_3}[M_3]
 \pstRotation[PointSymbol=none,PointName=none,RotAngle=0]{I}{M'_4}[M_4]
 \psset{CodeFig=true}
 \pstOrtSym[SegmentSymbol=pstslash,PosAngle=0,CodeFigColor=blue,PosAngle=90]{M_1}{M_2}{O}[O']
 \psset{CodeFig=false}
\pspolygon[fillstyle=solid,fillcolor=BleuVerre](M_1)(M_2)(M_3)(M_4)
 \pstLineAB[nodesep=-2]{M_1}{M_2}
 \pstTranslation[PointName=none,PointSymbol=none,PosAngle=180,DistCoef=0.4]{O'}{O}{M_1}[N_1]
 \pstTranslation[PointName=none,PointSymbol=none,PosAngle=180,DistCoef=0.4]{O'}{O}{M_2}[N_2]

% construction M_1

 \pstLineAB[linecolor=red]{O}{M_1}
 \pstLineAB[linecolor=red,nodesep=3,]{>-}{M_1}{O}
 \pstLineAB[linestyle=dashed]{M_1}{N_1}

 \pstLineAB[linecolor=red,linestyle=dashed]{O}{M_1}
 \psset{HomCoef=2}
 \pstHomO[PointSymbol=none,PointName=none]{O'}{M_1}[L_1]
 \pstLineAB[linecolor=red]{L_1}{M_1}
 \pstLineAB[linecolor=red,nodesep=3,]{->}{L_1}{M_1}
 \pstLineAB[linecolor=red,linestyle=dashed]{O'}{M_1}

% construction M_2

\pstLineAB[linecolor=red]{O}{M_2}
 \pstLineAB[linecolor=red,nodesep=3,]{-<}{M_2}{O}
 \pstLineAB[linestyle=dashed]{M_2}{N_2}
 \pstLineAB[linecolor=red,linestyle=dashed]{O}{M_2}
 \psset{HomCoef=2}
 \pstHomO[PointSymbol=none,PointName=none]{O'}{M_2}[L_2]
 \pstLineAB[linecolor=red]{L_2}{M_2}
 \pstLineAB[linecolor=red,nodesep=3,]{<-}{L_2}{M_2}
 \pstLineAB[linecolor=red,linestyle=dashed]{O'}{M_2}

% coloriage

 \pspolygon[fillstyle=vlines,linestyle=none](L_2)(M_2)(M_1)(L_1)

% oeil

 \rput{-142}(-6.4,-3.6){\eye}
 \end{pspicture}

 \ccbysa {\tiny Hervé Darce (commons.wikimedia.org)}

 \end{document}

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https://creativecommons.org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue