Figure Asymptote geometry -- 111
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Show geometry/fig1110.asy on Github.
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Categories : Examples 2D | Geometry.asy
Tags : #Geometry | #Triangle | #Circle | #Tangent | #Line | #Label | #Point
import geometry; size(10cm,0); // currentcoordsys=cartesiansystem((2,1),i=(1,0.5),j=(-0.25,0.75)); // show(currentcoordsys); triangle t=triangle((-1,0), (2,0), (0,2)); /*<asyxml><view file="modules/geometry.asy" type="void" signature="drawline(picture,triangle,pen)"/></asyxml>*/ drawline(t, linewidth(bp)); /*<asyxml><view file="modules/geometry.asy" type="void" signature="label(picture,Label,Label,Label,triangle,real,real,pen,filltype)"/></asyxml>*/ label(t,alignFactor=4); /*<asyxml><view file="modules/geometry.asy" type="circle" signature="circle(triangle)"/></asyxml>*/ circle cc=circle(t); draw(cc, 0.8blue); dot(cc.C, blue); /*<asyxml><view file="modules/geometry.asy" type="triangle" signature="tangential(triangle)"/></asyxml>*/ triangle tgt=tangential(t); draw(tgt, bp+0.8blue); label("$A_1$", "$B_1$", "$C_1$", tgt, blue); /*<asyxml><view file="modules/geometry.asy" type="circle" signature="incircle(triangle)"/></asyxml>*/ circle ic=incircle(t); draw(ic, 0.8red); dot(ic.C, red); triangle intouch=intouch(t); draw(intouch, bp+0.8red); label("$A_2$", "$B_2$", "$C_2$", intouch, red); /*<asyxml><view file="modules/geometry.asy" type="circle" signature="excircle(side,triangle)"/></asyxml>*/ circle ec=excircle(t.AB); clipdraw(ec, 0.8green); dot(ec.C, green); ec=excircle(t.AC); clipdraw(ec, 0.8green); dot(ec.C, green); ec=excircle(t.BC); clipdraw(ec, 0.8green); dot(ec.C, green); /*<asyxml><view file="modules/geometry.asy" type="triangle" signature="extouch(triangle)"/></asyxml>*/ triangle ext=extouch(t); draw(ext, bp+0.8green); label("$A_3$", "$B_3$", "$C_3$", ext, green); /*<asyxml><view file="modules/geometry.asy" type="point" signature="extouch(side)"/></asyxml>*/ dot(extouch(t.AB), 0.8*green); dot(extouch(t.BC), 0.8*green); dot(extouch(t.CA), 0.8*green); /*<asyxml><view file="modules/geometry.asy" type="point" signature="intouch(side)"/></asyxml>*/ dot(intouch(t.AB), 0.8*red); dot(intouch(t.BC), 0.8*red); dot(intouch(t.CA), 0.8*red); // Enlarge the bounding box of the current picture draw(box((-2.5,-3), (3.5,3.5)), invisible);