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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /graphics/asymptote/doc/markers2.asy
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+size(10cm,0);
+import markers;
+import geometry;
+import math;
+
+pair A=0, B=(1,0), C=(0.7,1), D=(-0.5,0), F=rotate(-90)*(C-B)/2+B;
+
+draw(A--B);
+draw(A--C);
+pen p=linewidth(1mm);
+draw(B--C,p);
+draw(A--D);
+draw(B--F,p);
+label("$A$",A,SW);
+label("$B$",B,S);
+label("$C$",C,N);
+dot(Label("$D$",D,S));
+dot(Label("$F$",F,N+NW));
+
+markangle(A,C,B);
+
+markangle(scale(1.5)*"$\theta$",radius=40,C,B,A,ArcArrow(2mm),1mm+red);
+markangle(scale(1.5)*"$-\theta$",radius=-70,A,B,C,ArcArrow,green);
+
+markangle(Label("$\gamma$",Relative(0.25)),n=2,radius=-30,A,C,B,p=0.7blue+2);
+
+markangle(n=3,B,A,C,marker(markinterval(stickframe(n=2),true)));
+
+pen RedPen=0.7red+1bp;
+markangle(C,A,D,RedPen,marker(markinterval(2,stickframe(3,4mm,RedPen),true)));
+drawline(A,A+dir(A--D,A--C),dotted);
+
+perpendicular(B,NE,F-B,size=10mm,1mm+red,
+ TrueMargin(linewidth(p)/2,linewidth(p)/2),Fill(yellow));