diff options
author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /graphics/asymptote/examples/circles.asy |
Initial commit
Diffstat (limited to 'graphics/asymptote/examples/circles.asy')
-rw-r--r-- | graphics/asymptote/examples/circles.asy | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/graphics/asymptote/examples/circles.asy b/graphics/asymptote/examples/circles.asy new file mode 100644 index 0000000000..69f5cf244a --- /dev/null +++ b/graphics/asymptote/examples/circles.asy @@ -0,0 +1,33 @@ +size(6cm,0); +import math; + +currentpen=magenta; + +real r1=1; +real r2=sqrt(7); +real r3=4; +pair O=0; + +path c1=circle(O,r1); +draw(c1,green); +draw(circle(O,r2),green); +draw(circle(O,r3),green); + +real x=-0.6; +real y=-0.8; +real yD=0.3; +pair A=(sqrt(r1^2-y^2),y); +pair B=(-sqrt(r2^2-y^2),y); +pair C=(x,sqrt(r3^2-x^2)); + +pair d=A+r2*dir(B--C); +pair D=intersectionpoint(c1,A--d); + +draw(A--B--C--cycle); +draw(interp(A,D,-0.5)--interp(A,D,1.5),blue); + +dot("$O$",O,S,red); +dot("$A$",A,dir(C--A,B--A),red); +dot("$B$",B,dir(C--B,A--B),red); +dot("$C$",C,dir(A--C,B--C),red); +dot("$D$",D,red); |