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(Compiled with Asymptote version 2.14svn-r5318) |
import solids; currentprojection=orthographic(1,2,2); size(6cm,0); material m= // diffusepen, ambientpen, emissivepen, specularpen material( grey, yellow, black, orange); draw(surface(sphere(1)), m);
Compétitivité-Qualité-Fiabilité-Disponibilité
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(Compiled with Asymptote version 2.14svn-r5318) |
import solids; currentprojection=orthographic(1,2,2); size(6cm,0); material m= // diffusepen, ambientpen, emissivepen, specularpen material( grey, yellow, black, orange); draw(surface(sphere(1)), m);
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(Compiled with Asymptote version 2.14svn-r5318) |
import solids; currentlight=light(paleyellow, viewport=false, (5,-5,10),(0,0,-10)); size(6cm,0); draw(sphere(1,n=4*nslice), linewidth(bp), m=10); draw(surface(sphere(1,n=4*nslice)), orange);
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(Compiled with Asymptote version 2.14svn-r5318) |
// Author: John Bowman. size(6cm,0); import solids; currentprojection=orthographic(0,10,5); nslice=4*nslice; revolution r=sphere(O,1); draw(surface(r), lightgrey+opacity(0.75)); skeleton s; r.transverse(s,reltime(r.g,0.6)); r.transverse(s,reltime(r.g,0.5)); draw(s.transverse.back,linetype("8 8",8)); draw(s.transverse.front); r.longitudinal(s); draw(s.longitudinal.front); draw(s.longitudinal.back,linetype("8 8",8));
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(Compiled with Asymptote version 2.14svn-r5318) |
import solids; size(6cm,0); currentprojection=orthographic(100,150,30); real r=1; skeleton s; revolution sph=sphere(O,r); draw(surface(sph), palegray); path3 cle=rotate(90,X)*scale3(r)*unitcircle3; triple cam=unit(currentprojection.camera); real a=degrees(xypart(cam),false)-90; real b=-sgn(cam.z)*aCos(sqrt(cam.x^2+cam.y^2)/abs(cam)); cle=rotate(b,cross(Z,cam))*rotate(a,Z)*cle; draw(cle,4pt+red);
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(Compiled with Asymptote version 2.14svn-r5318) |
import solids; size(6cm,0); currentlight=light(diffuse=yellow, ambient=blue, specular=paleyellow, specularfactor=0, viewport=false,(5,-5,10)); // currentprojection=orthographic(100,100,30); real r=2; skeleton s; revolution sph=sphere(O,r); draw(surface(sph),red); triple cam=unit(currentprojection.camera); revolution cle=revolution(O,r*(rotate(90,Z)*cam),cam); draw(cle, 8pt+black);
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(Compiled with Asymptote version 2.14svn-r5318) |
// Author: John Bowman import three; size(6cm,0); currentprojection=perspective(10,100,50); real a=2.5; draw(scale3(a)*unitsphere,lightyellow); draw(align(unit(currentprojection.vector()))*scale3(a)*unitcircle3,2bp+red);
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(Compiled with Asymptote version 2.14svn-r5318) |
import solids; size(6cm,0); currentprojection=orthographic(1,2,2); surface s=surface(sphere(1,n=10)); material[] p={material(0.8*red,yellow,red,blue), invisible, 0.8*(red+blue) , invisible, 0.8*blue}; p.cyclic=true; draw(s,p);
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(Compiled with Asymptote version 2.14svn-r5318) |
import solids; import palette; size(14cm,0); currentlight=light(gray(0.4),specularfactor=3,viewport=false, (-0.5,-0.25,0.45), (0.5,-0.5,0.5),(0.5,0.5,0.75)); nslice=4*nslice; surface s=surface(sphere(O,1)); draw(s,lightgrey); path3 pl=plane((1,0,0),(0,1,0),(0,0,-1)); surface pls=shift(3,3,-1e-3)*scale(-6,-6,1)*surface(pl); draw(pls,0.7*red); real dist(triple z){return abs(z-Z);} surface shade; for (int i=0; i < currentlight.position.length; ++i) { shade=planeproject(pl,currentlight.position[i])*s; draw(shade,mean(palette((shade.map(dist)), Gradient(black,gray(0.6)))), nolight); }
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(Compiled with Asymptote version 2.14svn-r5318) |
size(8cm,0); import solids; import graph3; //Draw 3D right angle (MA,MB) void drawrightangle(picture pic=currentpicture, triple M, triple A, triple B, real radius=0, pen p=currentpen, pen fillpen=nullpen, projection P=currentprojection) { p=linejoin(0)+linecap(0)+p; if (radius==0) radius=arrowfactor*sqrt(2); transform3 T=shift(-M); triple OA=radius/sqrt(2)*unit(T*A), OB=radius/sqrt(2)*unit(T*B), OC=OA+OB; path3 tp=OA--OC--OB; picture tpic; draw(tpic, tp, p=p); if (fillpen!=nullpen) draw(tpic, surface(O--tp--cycle), fillpen); add(pic,tpic,M); } currentprojection=orthographic(10,15,3); real r=10, h=6; // r=sphere radius; h=altitude section triple Op=(0,0,h); limits((0,0,0),1.1*(r,r,r)); axes3("x","y","z"); real rs=sqrt(r^2-h^2); // section radius real ch=180*acos(h/r)/pi; path3 arcD=Arc(O,r,180,0,ch,0,Y,50); revolution sphereD=revolution(O,arcD,Z); draw(surface(sphereD), opacity(0.5)+lightblue); draw(shift(0,0,h)*scale3(rs)*surface(unitcircle3),opacity(0.5)); path3 arcU=Arc(O,r,ch,0,0,0,Y,10); revolution sphereU=revolution(O,arcU,Z); draw(surface(sphereU), opacity(0.33)+lightgrey); // right triangle OO'A triple A=rotate(100,Z)*(rs,0,h); dot("$O$",O,NW); dot("$O'$",Op,W); dot("$A$",A,N); draw(A--O--Op--A); drawrightangle(Op,O,A); if(!is3D()) shipout(format="pdf", bbox(Fill(paleyellow)));
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(Compiled with Asymptote version 2.14svn-r5318) |
unitsize(1cm); import solids; currentprojection=orthographic(0,100,25); real r=4, h=7; triple O=(0,0,0); triple Oprime=(0,0,3); triple pS=(0,0,h); triple pA=(r*sqrt(2)/2,r*sqrt(2)/2,0); revolution rC=cone(O,r,h,axis=Z,n=1); draw(surface(rC),blue+opacity(0.5)); skeleton s; real tOprime=abs(Oprime)/h; rC.transverse(s,reltime(rC.g,tOprime)); triple pAprime=relpoint(pA--pS,tOprime); draw(s.transverse.back,dashed); draw(s.transverse.front); label("$S$",pS,N); dot(Label("$O$",align=SE),O); dot(Label("$O'$",align=SE),Oprime); dot(Label("$A$",align=Z),pA); dot(Label("$A'$",align=Z),pAprime); draw(pS--O^^O--pA^^Oprime--pAprime,dashed);