Asymptote: Useful functions: Difference between revisions
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== Intersection points == | == Intersection points == | ||
function <b>intersectionpoints</b>( path, path) | function <b>intersectionpoints</b>( path, path) | ||
{ | { | ||
returns pair[] | returns pair[] | ||
} | } | ||
Example: | Example: | ||
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This page should comprised the most used functions in Asymptote for regular drawings. | This page should comprised the most used functions in Asymptote for regular drawings. | ||
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[[Asymptote: CSE5|Next: CSE5]] | |||
[[Category: Asymptote]] | [[Category: Asymptote]] | ||
Revision as of 20:52, 15 November 2007
Intersection points
function intersectionpoints( path, path)
{
returns pair[]
}
Example:
size(8cm,0); import math; import graph; real r,s; pair a,b, common; path circ1, circ2; r=1; s=1; a=(0,0); b=(1,0); circ1=circle(a,r); circ2=circle(b,s); draw(circ1,linewidth(1bp)); draw(circ2,1bp+green); pair [] x=intersectionpoints(circ1, circ2); dot(x[0],3bp+blue); dot(x[1],3bp+blue); draw(x[0] -- x[1],1bp+red);
![[asy]size(200,200); import math; import graph; real r,s; pair a,b, common; path circ1, circ2; r=1; s=1; a=(0,0); b=(1,0); circ1=circle(a,r); circ2=circle(b,s); draw(circ1,linewidth(1bp)); draw(circ2,1bp+green); pair [] x=intersectionpoints(circ1, circ2); dot(x[0],3bp+blue); dot(x[1],3bp+blue); draw(x[0] -- x[1],1bp+red);[/asy]](http://latex.artofproblemsolving.com/6/7/8/67824240657a60c0f3421ebf4ddb53f7e753deeb.png)
