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-rw-r--r--Master/texmf/asymptote/three.asy719
1 files changed, 423 insertions, 296 deletions
diff --git a/Master/texmf/asymptote/three.asy b/Master/texmf/asymptote/three.asy
index 39075193073..1f9392ee094 100644
--- a/Master/texmf/asymptote/three.asy
+++ b/Master/texmf/asymptote/three.asy
@@ -13,13 +13,11 @@ if(prc0()) {
real defaultshininess=0.25;
real defaultgranularity=0;
-real linegranularity=0.01;
-real tubegranularity=0.003;
+real linegranularity=0.005;
+int linesectors=8; // Number of angular sectors.
real dotgranularity=0.0001;
-real viewportfactor=1.002; // Factor used to expand orthographic viewport.
-real angleprecision=1e-3; // Precision for centering perspective projections.
-real anglefactor=max(1.01,1+angleprecision);
-// Factor used to expand perspective viewport.
+real angleprecision=1e-5; // Precision for centering perspective projections.
+real rendermargin=0.02;
string defaultembed3Doptions;
string defaultembed3Dscript;
@@ -137,7 +135,9 @@ triple project(triple u, triple v)
triple perp(triple v)
{
triple u=cross(v,Y);
- return (abs(u) > sqrtEpsilon) ? unit(u) : unit(cross(v,Z));
+ if(abs(u) > sqrtEpsilon) return unit(u);
+ u=cross(v,Z);
+ return (abs(u) > sqrtEpsilon) ? unit(u) : X;
}
// Return the transformation corresponding to moving the camera from the target
@@ -757,7 +757,7 @@ real[] theta(triple[] v, real[] alpha, real[] beta,
{
real[] a,b,c,f,l,psi;
int n=alpha.length;
- bool cyclic=v.cyclicflag;
+ bool cyclic=v.cyclic;
for(int i=0; i < n; ++i)
l[i]=1/length(v[i+1]-v[i]);
int i0,in;
@@ -766,8 +766,8 @@ real[] theta(triple[] v, real[] alpha, real[] beta,
for(int i=0; i < in; ++i)
psi[i]=angle(v[i+1]-v[i],v[i+2]-v[i+1],reference);
if(cyclic) {
- l.cyclic(true);
- psi.cyclic(true);
+ l.cyclic=true;
+ psi.cyclic=true;
} else {
psi[n-1]=0;
if(dir0 == O) {
@@ -869,9 +869,9 @@ void aim(flatguide3 g, int N)
beta[k]=g.Tension[K].in;
}
if(cyclic) {
- v.cyclic(true);
- alpha.cyclic(true);
- beta.cyclic(true);
+ v.cyclic=true;
+ alpha.cyclic=true;
+ beta.cyclic=true;
} else v[n]=g.nodes[(start+n) % N];
int final=(end-1) % N;
@@ -883,8 +883,8 @@ void aim(flatguide3 g, int N)
real[] theta=theta(v,alpha,beta,d0,d1,g.out[start].gamma,g.in[final].gamma,
reference);
- v.cyclic(true);
- theta.cyclic(true);
+ v.cyclic=true;
+ theta.cyclic=true;
for(int k=1; k < (cyclic ? n+1 : n); ++k) {
triple w=dir(theta[k],v[k]-v[k-1],v[k+1]-v[k],reference);
@@ -1029,6 +1029,17 @@ path3[] path3(explicit path[] g, triple plane(pair)=XYplane)
return sequence(new path3(int i) {return path3(g[i],plane);},g.length);
}
+path3 invert(path p, triple normal, triple point,
+ projection P=currentprojection)
+{
+ return path3(p,new triple(pair z) {return invert(z,normal,point,P);});
+}
+
+path3 invert(path p, projection P=currentprojection)
+{
+ return path3(p,new triple(pair z) {return invert(z,P);});
+}
+
// Construct a path from a path3 by applying P to each control point.
path path(path3 p, pair P(triple)=xypart)
{
@@ -1801,6 +1812,16 @@ triple[] operator * (transform3 t, triple[] v)
return sequence(new triple(int i) {return t*v[i];},v.length);
}
+triple[][] operator * (transform3 t, triple[][] v)
+{
+ triple[][] V=new triple[v.length][];
+ for(int i=0; i < v.length; ++i) {
+ triple[] vi=v[i];
+ V[i]=sequence(new triple(int j) {return t*vi[j];},vi.length);
+ }
+ return V;
+}
+
triple min(explicit path3[] p)
{
checkEmpty(p.length);
@@ -1978,6 +1999,38 @@ void addPath(picture pic, path3 g, pen p)
include three_surface;
include three_margins;
+pair min(path3 p, projection P)
+{
+ path3 q=P.T.modelview*p;
+ if(P.infinity)
+ return xypart(min(q));
+ return maxratio(q)/P.T.projection[3][2];
+}
+
+pair max(path3 p, projection P)
+{
+ path3 q=P.T.modelview*p;
+ if(P.infinity)
+ return xypart(max(q));
+ return minratio(q)/P.T.projection[3][2];
+}
+
+pair min(frame f, projection P)
+{
+ frame g=P.T.modelview*f;
+ if(P.infinity)
+ return xypart(min3(g));
+ return maxratio(g)/P.T.projection[3][2];
+}
+
+pair max(frame f, projection P)
+{
+ frame g=P.T.modelview*f;
+ if(P.infinity)
+ return xypart(max3(g));
+ return minratio(g)/P.T.projection[3][2];
+}
+
void draw(picture pic=currentpicture, Label L="", path3 g,
align align=NoAlign, material p=currentpen, margin3 margin=NoMargin3,
light light=nolight)
@@ -1988,8 +2041,8 @@ void draw(picture pic=currentpicture, Label L="", path3 g,
if(is3D()) {
draw(f,G,p,light,null);
if(pic != null && size(G) > 0) {
- pic.addPoint(min(G,P.t));
- pic.addPoint(max(G,P.t));
+ pic.addPoint(min(G,P));
+ pic.addPoint(max(G,P));
}
}
if(pic != null)
@@ -2004,7 +2057,7 @@ void draw(picture pic=currentpicture, Label L="", path3 g,
addPath(pic,g,q);
}
-include three_arrows;
+include three_tube;
draw=new void(frame f, path3 g, material p=currentpen,
light light=nolight, projection P=currentprojection) {
@@ -2015,7 +2068,7 @@ draw=new void(frame f, path3 g, material p=currentpen,
if(settings.thick) {
real width=linewidth(q);
if(width > 0) {
- tube T=tube(g,width,p.granularity);
+ tube T=tube(g,width,linesectors);
int L=length(g);
if(L >= 0) {
if(!cyclic(g)) {
@@ -2050,7 +2103,7 @@ draw=new void(frame f, path3 g, material p=currentpen,
else {
real[] dash=(real[]) split(type," ");
if(sum(dash) > 0) {
- dash.cyclic(true);
+ dash.cyclic=true;
real offset=offset(q);
real L=arclength(g);
int i=0;
@@ -2081,6 +2134,8 @@ void draw(picture pic=currentpicture, explicit path3[] g,
for(int i=0; i < g.length; ++i) draw(pic,g[i],p,margin,light);
}
+include three_arrows;
+
void draw(picture pic=currentpicture, Label L="", path3 g,
align align=NoAlign, material p=currentpen, arrowbar3 arrow,
arrowbar3 bar=None, margin3 margin=NoMargin3, light light=nolight,
@@ -2321,7 +2376,7 @@ pair viewportmargin(pair lambda)
string embed3D(string label="", string text=label, string prefix,
frame f, string format="",
- real width=0, real height=0, real angle=30,
+ real width=0, real height=0,
string options="", string script="",
light light=currentlight, projection P=currentprojection)
{
@@ -2341,7 +2396,7 @@ string embed3D(string label="", string text=label, string prefix,
pair margin=viewportmargin((lambda.x,lambda.y));
viewplanesize=(max(lambda.x+2*margin.x,lambda.y+2*margin.y))/(cm*P.zoom);
} else
- if(!P.absolute) angle=2*aTan(Tan(0.5*angle));
+ if(!P.absolute) P.angle=2*aTan(Tan(0.5*P.angle));
string name=prefix+".js";
writeJavaScript(name,lightscript+projection(P.infinity,viewplanesize),script);
@@ -2375,7 +2430,7 @@ string embed3D(string label="", string text=label, string prefix,
options3 += ",poster";
options3 += ",text={"+text+"},label="+label+
",toolbar="+(settings.toolbar ? "true" : "false")+
- ",3Daac="+Format(P.absolute ? P.angle : angle)+
+ ",3Daac="+Format(P.angle)+
",3Dc2c="+Format(u)+
",3Dcoo="+Format(target/cm)+
",3Droll="+Format(roll)+
@@ -2387,302 +2442,350 @@ string embed3D(string label="", string text=label, string prefix,
return Embed(stripdirectory(prefix),options3,width,height);
}
-object embed(string label="", string text=label,
- string prefix=defaultfilename,
- frame f, string format="",
- real width=0, real height=0, real angle=30,
- string options="", string script="",
- light light=currentlight, projection P=currentprojection)
-{
- object F;
-
- if(is3D(format))
- F.L=embed3D(label,text,prefix,f,format,width,height,angle,options,script,
- light,P);
- else
- F.f=f;
- return F;
-}
-
-object embed(string label="", string text=label,
- string prefix=defaultfilename,
- picture pic, string format="",
- real xsize=pic.xsize, real ysize=pic.ysize,
- bool keepAspect=pic.keepAspect, bool view=true, string options="",
- string script="", real angle=0,
- light light=currentlight, projection P=currentprojection)
+struct scene
{
- object F;
- real xsize3=pic.xsize3, ysize3=pic.ysize3, zsize3=pic.zsize3;
- bool warn=true;
- transform3 modelview;
-
- if(xsize3 == 0 && ysize3 == 0 && zsize3 == 0) {
- xsize3=ysize3=zsize3=max(xsize,ysize);
- warn=false;
+ frame f;
+ transform3 t;
+ projection P;
+ bool adjusted;
+ real width,height;
+ transform3 T=identity4;
+ picture pic2;
+
+ void operator init(frame f, projection P=currentprojection) {
+ this.f=f;
+ this.t=identity4;
+ this.P=P;
}
+
+ void operator init(picture pic, real xsize=pic.xsize, real ysize=pic.ysize,
+ bool keepAspect=pic.keepAspect, bool is3D=true,
+ projection P=currentprojection) {
+ real xsize3=pic.xsize3, ysize3=pic.ysize3, zsize3=pic.zsize3;
+ bool warn=true;
+
+ if(xsize3 == 0 && ysize3 == 0 && zsize3 == 0) {
+ xsize3=ysize3=zsize3=max(xsize,ysize);
+ warn=false;
+ }
- projection P=P.copy();
+ if(P.absolute)
+ this.P=P.copy();
+ else if(P.showtarget)
+ draw(pic,P.target,nullpen);
- if(!P.absolute && P.showtarget)
- draw(pic,P.target,nullpen);
+ t=pic.scaling(xsize3,ysize3,zsize3,keepAspect,warn);
+ adjusted=false;
+ triple m=pic.min(t);
+ triple M=pic.max(t);
- transform3 t=pic.scaling(xsize3,ysize3,zsize3,keepAspect,warn);
- bool adjusted=false;
- transform3 tinv=inverse(t);
- triple m=pic.min(t);
- triple M=pic.max(t);
+ if(!P.absolute) {
+ this.P=t*P;
+ if(this.P.center) {
+ bool recalculate=false;
+ triple target=0.5*(m+M);
+ this.P.target=target;
+ recalculate=true;
+ if(recalculate) this.P.calculate();
+ }
+ if(this.P.autoadjust || this.P.infinity)
+ adjusted=adjusted | this.P.adjust(m,M);
+ }
- if(!P.absolute) {
- P=t*P;
- if(P.center) {
- bool recalculate=false;
- triple target=0.5*(m+M);
- P.target=target;
- recalculate=true;
- if(recalculate) P.calculate();
+ f=pic.fit3(t,pic.bounds3.exact ? pic2 : null,this.P);
+
+ if(!pic.bounds3.exact) {
+ transform3 s=pic.scale3(f,xsize3,ysize3,zsize3,keepAspect);
+ t=s*t;
+ this.P=s*this.P;
+ f=pic.fit3(t,pic2,this.P);
}
- if(P.autoadjust || P.infinity)
- adjusted=adjusted | P.adjust(m,M);
- }
- picture pic2;
-
- frame f=pic.fit3(t,pic.bounds3.exact ? pic2 : null,P);
+ bool scale=xsize != 0 || ysize != 0;
+
+ if(is3D || scale) {
+ pic2.bounds.exact=true;
+ transform s=pic2.scaling(xsize,ysize,keepAspect);
+
+ pair m2=pic2.min(s);
+ pair M2=pic2.max(s);
+ pair lambda=M2-m2;
+ pair viewportmargin=viewportmargin(lambda);
+ width=ceil(lambda.x+2*viewportmargin.x);
+ height=ceil(lambda.y+2*viewportmargin.y);
+
+ if(!this.P.absolute) {
+ if(scale && this.P.autoadjust) {
+ pair v=(s.xx,s.yy);
+ transform3 T=this.P.t;
+ pair x=project(X,T);
+ pair y=project(Y,T);
+ pair z=project(Z,T);
+ real f(pair a, pair b) {
+ return b == 0 ? (0.5*(a.x+a.y)) :
+ (b.x^2*a.x+b.y^2*a.y)/(b.x^2+b.y^2);
+ }
+ pic2.erase();
+ transform3 s=keepAspect ? scale3(min(f(v,x),f(v,y),f(v,z))) :
+ xscale3(f(v,x))*yscale3(f(v,y))*zscale3(f(v,z));
+ s=shift(this.P.target)*s*shift(-this.P.target);
+ t=s*t;
+ this.P=s*this.P;
+ f=pic.fit3(t,is3D ? null : pic2,this.P);
+ }
- if(!pic.bounds3.exact) {
- transform3 s=pic.scale3(f,xsize3,ysize3,zsize3,keepAspect);
- t=s*t;
- tinv=inverse(t);
- P=s*P;
- f=pic.fit3(t,pic2,P);
+ if(this.P.autoadjust || this.P.infinity)
+ adjusted=adjusted | this.P.adjust(min3(f),max3(f));
+ }
+ }
}
- bool is3D=is3D(format);
- bool scale=xsize != 0 || ysize != 0;
-
- if(is3D || scale) {
- pic2.bounds.exact=true;
- transform s=pic2.scaling(xsize,ysize,keepAspect);
- pair m2=pic2.min(s);
- pair M2=pic2.max(s);
- pair lambda=M2-m2;
- pair viewportmargin=viewportmargin(lambda);
- real width=ceil(lambda.x+2*viewportmargin.x);
- real height=ceil(lambda.y+2*viewportmargin.y);
-
- projection Q;
- if(!P.absolute) {
- if(scale && P.autoadjust) {
- pair v=(s.xx,s.yy);
- transform3 T=P.t;
- pair x=project(X,T);
- pair y=project(Y,T);
- pair z=project(Z,T);
- real f(pair a, pair b) {
- return b == 0 ? (0.5*(a.x+a.y)) : (b.x^2*a.x+b.y^2*a.y)/(b.x^2+b.y^2);
+ // Choose the angle to be just large enough to view the entire image.
+ real angle(projection P) {
+ T=identity4;
+ int maxiterations=100;
+ real h=-0.5*P.target.z;
+ pair r,R;
+ real diff=realMax;
+ pair s;
+ int i;
+ do {
+ r=minratio(f);
+ R=maxratio(f);
+ pair lasts=s;
+ if(P.autoadjust) {
+ s=r+R;
+ if(s != 0) {
+ transform3 t=shift(h*s.x,h*s.y,0);
+ f=t*f;
+ T=t*T;
+ adjusted=true;
}
- pic2.erase();
- transform3 s=keepAspect ? scale3(min(f(v,x),f(v,y),f(v,z))) :
- xscale3(f(v,x))*yscale3(f(v,y))*zscale3(f(v,z));
- s=shift(P.target)*s*shift(-P.target);
- t=s*t;
- P=s*P;
- f=pic.fit3(t,is3D ? null : pic2,P);
}
+ diff=abs(s-lasts);
+ ++i;
+ } while (diff > angleprecision && i < maxiterations);
+ real aspect=width > 0 ? height/width : 1;
+ real rx=-r.x*aspect;
+ real Rx=R.x*aspect;
+ real ry=-r.y;
+ real Ry=R.y;
+ if(!P.autoadjust) {
+ if(rx > Rx) Rx=rx;
+ else rx=Rx;
+ if(ry > Ry) Ry=ry;
+ else ry=Ry;
+ }
+ return (1+angleprecision)*max(aTan(rx)+aTan(Rx),aTan(ry)+aTan(Ry));
+ }
+}
- if(P.autoadjust || P.infinity)
- adjusted=adjusted | P.adjust(min3(f),max3(f));
+object embed(string label="", string text=label, string prefix=defaultfilename,
+ scene S, string format="", bool view=true, string options="",
+ string script="", light light=currentlight)
+{
+ object F;
+ transform3 modelview;
+ projection P=S.P;
+ transform3 tinv=inverse(S.t);
- triple target=P.target;
- modelview=P.modelview();
- f=modelview*f;
- P=modelview*P;
- Q=P.copy();
- light=modelview*light;
-
- if(P.infinity) {
- triple m=min3(f);
- triple M=max3(f);
- triple lambda=M-m;
- viewportmargin=viewportmargin((lambda.x,lambda.y));
- width=lambda.x+2*viewportmargin.x;
- height=lambda.y+2*viewportmargin.y;
- f=shift((-0.5(m.x+M.x),-0.5*(m.y+M.y),0))*f; // Eye will be at (0,0,0).
- } else {
- transform3 T=identity4;
- // Choose the angle to be just large enough to view the entire image:
- if(angle == 0) angle=P.angle;
- int maxiterations=100;
- if(is3D && angle == 0) {
- real h=-0.5*P.target.z;
- pair r,R;
- real diff=realMax;
- pair s;
- int i;
- do {
- r=minratio(f);
- R=maxratio(f);
- pair lasts=s;
- if(P.autoadjust) {
- s=r+R;
- if(s != 0) {
- transform3 t=shift(h*s.x,h*s.y,0);
- f=t*f;
- T=t*T;
- adjusted=true;
- }
- }
- diff=abs(s-lasts);
- ++i;
- } while (diff > angleprecision && i < maxiterations);
- real aspect=width > 0 ? height/width : 1;
- real rx=-r.x*aspect;
- real Rx=R.x*aspect;
- real ry=-r.y;
- real Ry=R.y;
- if(!P.autoadjust) {
- if(rx > Rx) Rx=rx;
- else rx=Rx;
- if(ry > Ry) Ry=ry;
- else ry=Ry;
- }
-
- angle=anglefactor*max(aTan(rx)+aTan(Rx),aTan(ry)+aTan(Ry));
- if(viewportmargin.y != 0)
- angle=2*aTan(Tan(0.5*angle)-viewportmargin.y/P.target.z);
-
- modelview=T*modelview;
- }
- if(settings.verbose > 0) {
- transform3 inv=inverse(modelview);
- if(adjusted)
- write("adjusting camera to ",tinv*inv*P.camera);
- target=inv*P.target;
- }
- P=T*P;
+ projection Q;
+ modelview=P.T.modelview;
+ if(P.absolute) {
+ Q=modelview*P;
+ } else {
+ triple target=P.target;
+ S.f=modelview*S.f;
+ P=modelview*P;
+ Q=P.copy();
+ light=modelview*light;
+
+ pair viewportmargin=viewportmargin;
+ if(P.infinity) {
+ triple m=min3(S.f);
+ triple M=max3(S.f);
+ triple lambda=M-m;
+ viewportmargin=viewportmargin((lambda.x,lambda.y));
+ S.width=lambda.x+2*viewportmargin.x;
+ S.height=lambda.y+2*viewportmargin.y;
+ S.f=shift((-0.5(m.x+M.x),-0.5*(m.y+M.y),0))*S.f; // Eye will be at (0,0,0)
+ } else {
+ if(P.angle == 0) {
+ Q.angle=P.angle=S.angle(P);
+ modelview=S.T*modelview;
+ if(viewportmargin.y != 0)
+ P.angle=2*aTan(Tan(0.5*P.angle)-viewportmargin.y/P.target.z);
}
if(settings.verbose > 0) {
- if(P.center || (!P.infinity && P.autoadjust))
- write("adjusting target to ",tinv*target);
+ transform3 inv=inverse(modelview);
+ if(S.adjusted)
+ write("adjusting camera to ",tinv*inv*P.camera);
+ target=inv*P.target;
}
+ P=S.T*P;
}
+ if(settings.verbose > 0) {
+ if(P.center || (!P.infinity && P.autoadjust))
+ write("adjusting target to ",tinv*target);
+ }
+ }
- if(prefix == "") prefix=outprefix();
- bool prc=prc(format);
- bool preview=settings.render > 0;
- if(prc) {
- // The movie15.sty package cannot handle spaces or dots in filenames.
- prefix=replace(prefix,new string[][]{{" ","_"},{".","_"}});
- if(settings.embed || nativeformat() == "pdf")
- prefix += "+"+(string) file3.length;
- } else
- preview=false;
- if(preview || (!prc && settings.render != 0)) {
- frame f=f;
- triple m,M;
- real zcenter;
- if(P.absolute) {
- modelview=P.modelview();
- f=modelview*f;
- Q=modelview*P;
- m=min3(f);
- M=max3(f);
- real r=0.5*abs(M-m);
- zcenter=0.5*(M.z+m.z);
- M=(M.x,M.y,zcenter+r);
- m=(m.x,m.y,zcenter-r);
- angle=P.angle;
- } else {
- m=min3(f);
- M=max3(f);
- zcenter=P.target.z;
- real d=P.distance(m,M);
- M=(M.x,M.y,zcenter+d);
- m=(m.x,m.y,zcenter-d);
- }
-
- if(P.infinity) {
- triple margin=(viewportfactor-1.0)*(abs(M.x-m.x),abs(M.y-m.y),0)
- +(viewportmargin.x,viewportmargin.y,0);
- M += margin;
- m -= margin;
- } else if(M.z >= 0) abort("camera too close");
-
- shipout3(prefix,f,preview ? nativeformat() : format,
- width,height,P.infinity ? 0 : 2aTan(Tan(0.5*angle)*P.zoom),
- P.zoom,m,M,P.viewportshift,
- tinv*inverse(modelview)*shift(0,0,zcenter),light.background(),
- P.absolute ? (modelview*light).position : light.position,
- light.diffuse,light.ambient,light.specular,
- light.viewport,view && !preview);
- if(!preview) return F;
+ if(prefix == "") prefix=outprefix();
+ bool prc=prc(format);
+ bool preview=settings.render > 0;
+ if(prc) {
+ // The movie15.sty package cannot handle spaces or dots in filenames.
+ prefix=replace(prefix,new string[][]{{" ","_"},{".","_"}});
+ if(settings.embed || nativeformat() == "pdf")
+ prefix += "+"+(string) file3.length;
+ } else
+ preview=false;
+ if(preview || (!prc && settings.render != 0)) {
+ frame f=S.f;
+ triple m,M;
+ real zcenter;
+ real r;
+ if(P.absolute) {
+ f=modelview*f;
+ m=min3(f);
+ M=max3(f);
+ r=0.5*abs(M-m);
+ zcenter=0.5*(M.z+m.z);
+ } else {
+ m=min3(f);
+ M=max3(f);
+ zcenter=P.target.z;
+ r=P.distance(m,M);
}
+ M=(M.x,M.y,zcenter+r);
+ m=(m.x,m.y,zcenter-r);
+
+ if(P.infinity) {
+ triple margin=(viewportmargin.x,viewportmargin.y,0);
+ M += margin;
+ m -= margin;
+ } else if(M.z >= 0) abort("camera too close");
+
+ shipout3(prefix,f,preview ? nativeformat() : format,
+ S.width-rendermargin,S.height-rendermargin,
+ P.infinity ? 0 : 2aTan(Tan(0.5*P.angle)*P.zoom),
+ P.zoom,m,M,P.viewportshift,
+ tinv*inverse(modelview)*shift(0,0,zcenter),light.background(),
+ P.absolute ? (modelview*light).position : light.position,
+ light.diffuse,light.ambient,light.specular,
+ light.viewport,view && !preview);
+ if(!preview) return F;
+ }
+
+ string image;
+ if(preview && settings.embed) {
+ image=prefix;
+ if(settings.inlinetex) image += "_0";
+ image += "."+nativeformat();
+ if(!settings.inlinetex) file3.push(image);
+ image=graphic(image,"hiresbb");
+ }
+ if(prc) {
+ if(!P.infinity && P.viewportshift != 0)
+ warning("offaxis",
+ "PRC does not support off-axis projections; use pan instead of
+shift");
+ F.L=embed3D(label,text=image,prefix,S.f,format,
+ S.width-2,S.height-2,options,script,light,Q);
+ }
+ return F;
+}
- string image;
- if(preview && settings.embed) {
- image=prefix;
- if(settings.inlinetex) image += "_0";
- image += "."+nativeformat();
- if(!settings.inlinetex) file3.push(image);
- image=graphic(image,"hiresbb");
- }
- if(prc) {
- if(!P.infinity && P.viewportshift != 0)
- write("warning: PRC does not support off-axis projections; use pan instead of shift");
- F.L=embed3D(label,text=image,prefix,f,format,
- width,height,angle,options,script,light,Q);
- }
-
+object embed(string label="", string text=label,
+ string prefix=defaultfilename,
+ picture pic, string format="",
+ real xsize=pic.xsize, real ysize=pic.ysize,
+ bool keepAspect=pic.keepAspect, bool view=true, string options="",
+ string script="", light light=currentlight,
+ projection P=currentprojection)
+{
+ bool is3D=is3D(format);
+ scene S=scene(pic,xsize,ysize,keepAspect,is3D,P);
+ if(is3D)
+ return embed(label,text,prefix,S,format,view,options,script,light);
+ else {
+ object F;
+ transform T=S.pic2.scaling(xsize,ysize,keepAspect);
+ F.f=pic.fit(scale(S.t[0][0])*T);
+ add(F.f,S.pic2.fit(T));
+ return F;
}
+}
- if(!is3D) {
- transform T=pic2.scaling(xsize,ysize,keepAspect);
- F.f=pic.fit(scale(t[0][0])*T);
- add(F.f,pic2.fit(T));
+object embed(string label="", string text=label,
+ string prefix=defaultfilename,
+ frame f, string format="", real width=0, real height=0,
+ bool view=true, string options="", string script="",
+ light light=currentlight, projection P=currentprojection)
+{
+ if(is3D(format))
+ return embed(label,text,prefix,scene(f,P),format,view,options,script,light);
+ else {
+ object F;
+ F.f=f;
+ return F;
}
-
- return F;
}
embed3=new object(string prefix, frame f, string format, string options,
- string script, projection P) {
- return embed(prefix=prefix,f,format,options,script,P);
+ string script, light light, projection P) {
+ return embed(prefix=prefix,f,format,options,script,light,P);
};
+frame embedder(object embedder(string prefix, string format),
+ string prefix, string format, bool view, light light)
+{
+ frame f;
+ bool prc=prc(format);
+ if(!prc && settings.render != 0 && !view) {
+ static int previewcount=0;
+ bool keep=prefix != "";
+ prefix=outprefix(prefix)+"+"+(string) previewcount;
+ ++previewcount;
+ format=nativeformat();
+ if(!keep) file3.push(prefix+"."+format);
+ }
+ object F=embedder(prefix,format);
+ if(prc)
+ label(f,F.L);
+ else {
+ if(settings.render == 0) {
+ add(f,F.f);
+ if(light.background != nullpen)
+ box(f,light.background,Fill,above=false);
+ } else if(!view)
+ label(f,graphic(prefix,"hiresbb"));
+ }
+ return f;
+}
+
currentpicture.fitter=new frame(string prefix, picture pic, string format,
- real xsize, real ysize,
- bool keepAspect, bool view,
- string options, string script, projection P) {
+ real xsize, real ysize, bool keepAspect,
+ bool view, string options, string script,
+ light light, projection P) {
frame f;
bool empty3=pic.empty3();
+ if(!empty3) f=embedder(new object(string prefix, string format) {
+ return embed(prefix=prefix,pic,format,xsize,ysize,keepAspect,view,
+ options,script,light,P);
+ },prefix,format,view,light);
if(is3D(format) || empty3) add(f,pic.fit2(xsize,ysize,keepAspect));
- if(!empty3) {
- bool prc=prc(format);
- if(!prc && settings.render != 0 && !view) {
- static int previewcount=0;
- bool keep=prefix != "";
- prefix=outprefix(prefix)+"+"+(string) previewcount;
- ++previewcount;
- format=nativeformat();
- if(!keep) file3.push(prefix+"."+format);
- }
- object F=embed(prefix=prefix,pic,format,xsize,ysize,keepAspect,view,
- options,script,currentlight,P);
- if(prc)
- label(f,F.L);
- else {
- if(settings.render == 0) {
- add(f,F.f);
- if(currentlight.background != nullpen)
- box(f,currentlight.background,Fill,above=false);
- } else if(!view)
- label(f,graphic(prefix,"hiresbb"));
- }
- }
return f;
};
+frame embedder(string prefix, frame f, string format, bool view,
+ string options, string script, light light, projection P)
+{
+ return embedder(new object(string prefix, string format) {
+ return embed(prefix=prefix,f,format,view,options,script,light,P);
+ },prefix,format,view,light);
+}
+
void addViews(picture dest, picture src, bool group=true,
filltype filltype=NoFill)
{
@@ -2733,29 +2836,53 @@ void addAllViews(picture src, bool group=true, filltype filltype=NoFill)
addAllViews(currentpicture,src,group,filltype);
}
-// Force an array of 3D pictures to be as least as large as picture all.
-void rescale3(picture[] pictures, picture all, projection P=currentprojection)
+// Fit an array of 3D pictures simultaneously using the sizing of picture all.
+frame[] fit3(string prefix="", picture[] pictures, picture all,
+ string format="", bool view=true, string options="",
+ string script="", light light=currentlight,
+ projection P=currentprojection)
{
- if(!all.empty3()) {
- transform3 t=inverse(all.calculateTransform3(P)*pictures[0].T3);
- triple m=t*min3(all);
- triple M=t*max3(all);
+ frame[] out;
+ scene S=scene(all,P);
+ triple m=all.min(S.t);
+ triple M=all.max(S.t);
+ out=new frame[pictures.length];
+ int i=0;
+ bool loop=settings.loop;
+ for(picture pic : pictures) {
+ picture pic2;
+ frame f=pic.fit3(S.t,pic2,S.P);
+ if(loop && !settings.loop) break;
+ add(f,pic2.fit2());
+ draw(f,m,nullpen);
+ draw(f,M,nullpen);
+ out[i]=loop ? f : embedder(prefix,f,format,view,options,script,light,S.P);
+ ++i;
+ }
+
+ while(settings.loop)
for(int i=0; i < pictures.length; ++i) {
- draw(pictures[i],m,nullpen);
- draw(pictures[i],M,nullpen);
+ if(!settings.loop) break;
+ embedder(prefix,out[i],format,view,options,script,light,S.P);
}
- }
+
+ return out;
}
-// Force an array of pictures to have a uniform scaling using currenprojection.
-rescale=new void(picture[] pictures) {
- if(pictures.length == 0) return;
+// Fit an array of pictures simultaneously using the size of the first picture.
+fit=new frame[](string prefix="", picture[] pictures, string format="",
+ bool view=true, string options="", string script="",
+ projection P=currentprojection) {
+ if(pictures.length == 0)
+ return new frame[];
+
picture all;
size(all,pictures[0]);
for(picture pic : pictures)
add(all,pic);
- rescale2(pictures,all);
- rescale3(pictures,all);
+
+ return all.empty3() ? fit2(pictures,all) :
+ fit3(prefix,pictures,all,format,view,options,script,P);
};
exitfcn currentexitfunction=atexit();
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-08 00:23:28 +0000