diff options
Diffstat (limited to 'graphics/asymptote/examples/pipes.asy')
-rw-r--r-- | graphics/asymptote/examples/pipes.asy | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/graphics/asymptote/examples/pipes.asy b/graphics/asymptote/examples/pipes.asy index 383fda80fd..83c9ec609d 100644 --- a/graphics/asymptote/examples/pipes.asy +++ b/graphics/asymptote/examples/pipes.asy @@ -4,14 +4,14 @@ import graph3; import palette; size(8cm); -currentprojection=perspective( -camera=(13.3596389245356,8.01038090435314,14.4864483364785), -up=(-0.0207054323419367,-0.00472438375047319,0.0236460907598947), -target=(-1.06042550499095,2.68154529985845,0.795007562120261)); +currentprojection= + perspective(camera=(13.3596389245356,8.01038090435314,14.4864483364785), + up=(-0.0207054323419367,-0.00472438375047319,0.0236460907598947), + target=(-1.06042550499095,2.68154529985845,0.795007562120261)); defaultpen(fontsize(6pt)); -// draw coordinates and frames +// draw coordinates and frames // axis1 is defined by z axis of TBase // axis2 is defined by z axis of TEnd void DrawFrame(transform3 TBase, transform3 TEnd, string s) @@ -25,57 +25,57 @@ void DrawFrame(transform3 TBase, transform3 TEnd, string s) real[][] A= { - {v1.x,-v2.x,-n.x}, - {v1.y,-v2.y,-n.y}, - {v1.z,-v2.z,-n.z} + {v1.x,-v2.x,-n.x}, + {v1.y,-v2.y,-n.y}, + {v1.z,-v2.z,-n.z} }; triple vb=p2-p1; real[] b={vb.x,vb.y,vb.z}; - - // Get the extention along vector v1 and v2, + + // Get the extention along vector v1 and v2, // so, we can get the common normal between two axis real[] x=solve(A,b); real s1=x[0]; real s2=x[1]; - + // get foot of a perpendicular on both axies triple foot1=p1+s1*v1; triple foot2=p2+s2*v2; - + // draw two axis triple axis_a,axis_b; axis_a=p1+s1*v1*1.5; axis_b=p1-s1*v1*1.5; draw(axis_a--axis_b); - + axis_a=p2+s2*v2*1.5; axis_b=p2-s2*v2*1.5; draw(axis_a--axis_b); - - // draw "a"(common normal) - draw(Label("$a_{"+s+"}$"),foot1--foot2,linewidth(1pt)); + + // draw "a"(common normal) + draw(Label("$a_{"+s+"}$"),foot1--foot2,linewidth(1pt)); // draw the coordinates frame triple dx,dy,dz,org; real length=0.8; - + org=foot1; dx =length*unit(foot2-foot1); // define the x axis of the frame on "a" dz =length*unit(v1); // define the z axis which is along axis1 dy =length*unit(cross(dz,dx)); - + draw(Label("$X_{"+s+"}$",1,align=-dy-dz),org--(org+dx),red+linewidth(1.5pt), Arrow3(8)); - draw(Label("$Y_{"+s+"}$",1,align=2dy-dz-dx),org--(org+dy), - green+linewidth(1.5pt), Arrow3(8)); + draw(Label("$Y_{"+s+"}$",1,align=2dy-dz-dx),org--(org+dy), + green+linewidth(1.5pt), Arrow3(8)); draw(Label("$Z_{"+s+"}$",1,align=-2dx-dy),org--(org+dz), - blue+linewidth(1.5pt), Arrow3(8)); - + blue+linewidth(1.5pt), Arrow3(8)); + dot(Label("$O_{"+s+"}$",align =-dx-dz,black),org,black); // origin - + } void DrawLink(transform3 TBase, transform3 TEnd, pen objStyle,string s) @@ -85,27 +85,27 @@ void DrawLink(transform3 TBase, transform3 TEnd, pen objStyle,string s) path3 generator=(0.5*r,0,h)--(r,0,h)--(r,0,0)--(0.5*r,0,0); revolution vase=revolution(O,generator,0,360); surface objSurface=surface(vase); - + render render=render(merge=true); // draw two cylinders draw(TBase*objSurface,objStyle,render); draw(TEnd*shift((0,0,-h+1e-5))*objSurface,objStyle,render); - + // draw the link between two cylinders triple pStart=TBase*(0.5*h*Z); triple pEnd =TEnd*(-0.5*h*Z); triple pControl1=0.25*(pEnd-pStart)+TBase*(0,0,h); triple pControl2=-0.25*(pEnd-pStart)+TEnd*(0,0,-h); path3 p=pStart..controls pControl1 and pControl2..pEnd; - draw(tube(p,scale(0.2)*unitsquare),objStyle,render); + draw(tube(p,scale(0.2)*unitsquare),objStyle,render); } // t1 and t2 define the starting frame and ending frame of the first link(i-1) transform3 t1=shift((0,0,1)); transform3 t2=shift((0,0,-1))*rotate(-20,Y)*shift((0,3,2)); // as, the two links were connected, so t2 is also the starting frame of link(i) -// t3 defines the ending frame of link(i) +// t3 defines the ending frame of link(i) transform3 t3=t2*rotate(40,Z)*shift((0,3,1.5))*rotate(-15,Y)*shift(-1.5*Z); // draw link(i-1) @@ -137,4 +137,4 @@ draw("$\theta_{i}$",arc(p0,p1a,p2),ArcArrow3(3)); // draw d_{i-1} triple org_i =t2*shift((0,0,1.5))*O; -draw(Label("$d_{i}$",0.13),p0--org_i,linewidth(1pt)); +draw(Label("$d_{i}$",0.13),p0--org_i,linewidth(1pt)); |