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renderCP.C
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renderCP.C
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//*******************************************************************
//
// render.C
//
// contains main
//
//*******************************************************************
//may have to fix b/c of include/ subdir now
#include "Volume.h"
#include "ImplicitSurfaces.h"
#include "CmdLineFind.h"
#include "Image.h"
#include "ImageFiles.h"
#include "ProgressMeter.h"
#include "Camera.h"
#include "ColorFields.h"
#include "Density.h"
#include "OIIOFiles.h"
#include <stdio.h>
#include <iostream>
#include "BaseGrid.h"
#include "GridVolume.h"
#include "CGridVolume.h"
#include "FullGrid.h"
#include "SparseGrid.h"
#include "pyroclast.h"
#include "DSM.h"
#include "Particle.h"
#include "wisp.h"
using namespace lux;
using namespace std;
void buildEggRobot(Volume<float> **vol, Volume<Color> **Cd);
int main(int argc, char** argv){
CmdLineFind clf( argc, argv );
int imageWidth = clf.find( "-NX", 1920, "Image width");
int imageHeight = clf.find( "-NY", 1080, "Image height");
double ds = clf.find( "-ds",1.0f, "Size of ray march step" );
string fname = clf.find("-fname","","Name of output file");
float brightness = clf.find( "-brightness", 1.0f, "Scale brightness of image" );
float gamma = clf.find( "-gamma", 1.0f, "Gamma of image" );
// float k = clf.find("-k",1.0f,"Scattering Coefficient");
vector<float> cPos;
cPos.push_back(0.0);
cPos.push_back(0.0);
cPos.push_back(5.0);
cPos = clf.findArray( "-camera", cPos, "Position of the camera");
Vector cam( cPos[0], cPos[1], cPos[2] );
Vector dir = -1 * cam;
dir.normalize();
vector<float> Dir;
Dir.push_back(dir[0]);
Dir.push_back(dir[1]);
Dir.push_back(dir[2]);
Dir = clf.findArray( "-dir", Dir, "look direction");
dir = Vector(Dir[0], Dir[1], Dir[2] );
dir.normalize();
Image image;
image.reset(imageWidth,imageHeight);
Camera camera;
camera.setEyeViewUp( cam, dir, Vector(0,1,0) );
camera.setNearPlane(0);
camera.setFarPlane(10);
Vector X;
Vector Xc = camera.eye();
Vector nHat;
double sMin = camera.nearPlane();
double sMax = camera.farPlane();
Color L;
double T,dT;
double alpha;
double S;
// Volume<float> *robot;//= new ImplicitSphere(1);
//vol = new ClampVolume(vol,0,1);
// Volume<Color> *Crobot;// = new SolidColorField(Color(1,1,1,1));
// buildEggRobot(&robot,&Crobot);
Volume<float> * Pe,*Ps;
Volume<Color> * Ce,*Cs;
BaseGrid<float> *grid = new SparseGrid<float>();
//grid->init(Vector(-10,-8,-3),200,140,200,Vector(10,6,17),0.0);
grid->init(Vector(-2,-2,-2),500,500,500,Vector(2,2,2),0.0);
printf("GRID ALLOCATED\n");
BaseGrid<Color> * cgrid = new SparseGrid<Color>();
//cgrid->init(Vector(-10,-8,-3),200,140,200,Vector(10,6,17),Color());
cgrid->init(Vector(-2,-2,-2),500,500,500,Vector(2,2,2),Color());
printf("CGRID ALLOCATED\n");
Particle part;
part.nbWisps() = 100000;
part.Cd() = Color(.5,.5,.5,0);
Wisp wisp(&part);
wisp.stamp(grid,cgrid);
Ps = new GridVolume(grid);
Ps = new ClampVolume(Ps,0,1);
Pe = new emptyField<float>(0.0);
Cs = new CGridVolume(cgrid);
Ce = new emptyField<Color>(Color(0.0,0.0,0.0,0.0));
Volume<float> *k = new kField(1);
/*DSMgroup DSMs(k);/*
BaseGrid<float> *keyDgrid = new SparseGrid<float>();
keyDgrid->init(Vector(-2,-2,-2),100,100,100,Vector(2,2,2),0.0);
DSM *key = new DSM(keyDgrid,Ps,ds);
key->sample(new Light(Vector(10,10,0),Color(1,1,1,1)));
DSMs.add(key);
BaseGrid<float> *fillDgrid = new SparseGrid<float>();
fillDgrid->init(Vector(-2,-2,-2),100,100,100,Vector(2,2,2),0.0);
DSM *fill = new DSM(fillDgrid,Ps,ds);
fill->sample(new Light(Vector(0,-5,0),Color(1.0/3.0,1.0/3.0,1.0/3.0,1)));
DSMs.add(fill);
*/
clf.usage("-h");
clf.printFinds();
ProgressMeter meter(imageWidth,"render");
float Pscatter,Pemmit, P;
for(int i = 0;i < imageWidth; i ++){
for(int j = 0; j < imageHeight; j++){
nHat = camera.view((double)(i)/(imageWidth-1),(double)(j)/(imageHeight-1));
X = Xc + nHat * sMin;
L.set(0.0,0.0,0.0,0.0);
T = 1;
S = sMin;
//raymarch
while(S < sMax && T >1.0e-6){
X += nHat * ds;
Pscatter = Ps->eval(X);
Pemmit = Pe->eval(X);
P = Pscatter + Pemmit;
dT = exp (-1.0 * k->eval(X) * ds * P);
// if(Ps->eval(X) > 0.0)
// printf("%f %f\n",Ps->eval(X),Pe->eval(X));
if(P>0)
L += T * (1-dT) * (Pemmit * Ce->eval(X) + Pscatter * Cs->eval(X))/P ;//* DSMs.illuminate(X);
//L += Cd->eval(X) * T *(1-dT);
T *= dT;
S += ds;
// printf("HERE %d\n",__LINE__);
}
//after march
alpha = 1-T;
L += Color(0.0,0.0,0.0,alpha);
image.set(i,j,L);
}
meter.update();
}
#ifndef MAGICK
writeOIIOImage(fname.c_str(),image,brightness,gamma);
#else
writeMagickImage( clf, image );
#endif
printf("\a");
return 0;
}
void buildEggRobot(Volume<float> **vol, Volume<Color> **Cd){
Volume<float> *larmb = new ImplicitEllipse(2.2,0.85,Vector(1.0,0.0,0.0));
Volume<float> *larmr = new RotateScalarField(larmb,Vector(0.0,0.0,1.0),M_PI*5.0/16);
Volume<float> *luarm = new TranslateScalarField(larmr,Vector(-3.0,-0.25,0));
Volume<float> *lfarmb = new ImplicitEllipse(1.5,0.75,Vector(1.0,0.0,0.0));
Volume<float> *drillb = new ImplicitCone(Vector(1,0,0),3,M_PI/7);
Volume<float> *drillt = new TranslateScalarField(drillb,Vector(-4.0,0,0));
Volume<Color> *Cdrill = new ShapedColorField(drillt,Color(1,215/256.0,0,0));
Volume<Color> *Clfarm = new ShapedColorField(lfarmb,Color(100/256.0,100/256.0,100/256.0,0));
Volume<float> *lfarmdrb= new UnionVolume(lfarmb,drillt);
Clfarm = new UnionColor(Cdrill,Clfarm);
Volume<float> *lfarmr = new RotateScalarField(lfarmdrb,Vector(0.0,0.0,-1.0),M_PI*4.0/16);
Clfarm = new RotateColorField(Clfarm,Vector(0.0,0.0,-1.0),M_PI*4.0/16);
Volume<float> *lfarm = new TranslateScalarField(lfarmr,Vector(-5,-0.75,0.0));
Clfarm = new TranslateColorField(Clfarm,Vector(-5,-0.75,0.0));
Volume<float> *larm = new UnionVolume(luarm,lfarm);
Volume<Color> *Clarm = new ShapedColorField(luarm,Color(100/256.0,100/256.0,100/256.0,0));
Clarm = new UnionColor(Clarm,Clfarm);
Volume<float> *rarmb = new ImplicitEllipse(2.5,1.25,Vector(1.0,0.0,0.0));
Volume<float> *rarmr = new RotateScalarField(rarmb,Vector(0.0,0.0,-1.0),M_PI*4.0/16);
Volume<float> *ruarm = new TranslateScalarField(rarmr,Vector(3.4,0,0));
Volume<float> *rfarmb = new ImplicitEllipse(2,1,Vector(0.0,0.0,1.0));
Volume<float> *rfarm = new TranslateScalarField(rfarmb,Vector(5,-2.5,1.75));
Volume<float> *rarms = new BlendVolume(ruarm,rfarm,1.25);
Volume<Color> *Crarm = new ShapedColorField(rarms,Color(100/256.0,100/256.0,100/256.0,0));
Volume<float> *rhandb = new ImplicitIcosahedron();
Volume<float> *rhands = new ScaleScalarField(rhandb,0.3);
Volume<float> *rhandsc = new ImplicitPlane(Vector(0,1,0),Vector(0,-0.25,0));
Volume<float> *rhand = new IntersectVolume(rhandsc,rhands);
Volume<float> *rhandr = new RotateScalarField(rhand,Vector(-1,0,0),M_PI/2);
Volume<float> *rhand1 = new TranslateScalarField(rhandr,Vector(5,-2.5,4.25));
Volume<Color> *Chand = new ShapedColorField(rhand1,Color(1,215/256.0,0,0));
/*face*/
Volume<float> *leyeb = new ImplicitStiener();
Volume<float> *leye = new TranslateScalarField(leyeb,Vector(-0.6,2,1.0));
Volume<float> *reyeb = new ImplicitStiener();
Volume<float> *reyer = new RotateScalarField(reyeb,Vector(0,0,-1),M_PI/2);
Volume<float> *reye = new TranslateScalarField(reyer,Vector(0.6,2,1.0));
Volume<float> *eyes = new UnionVolume(reye,leye);
Volume<float> *mouthb= new ImplicitTorus(.25,.1,Vector(0,0,1));
Volume<float> *mouth = new TranslateScalarField(mouthb,Vector(0,1.25,1.0));
Volume<float> *face = new UnionVolume(eyes,mouth);
Volume<Color> *Cface = new ShapedColorField(face,Color(50,0,0,1));
Volume<float> *rarm = new UnionVolume(rhand1,rarms);
Volume<float> *arms = new UnionVolume(larm,rarm);
Volume<float> *headb = new ImplicitInfCylinder(Vector(0,0,-1),1.25);
Volume<float> *head = new TranslateScalarField(headb,Vector(0.0,1.8,2.25));
Volume<float> *body = new ImplicitEllipse(4,2,Vector(0,1,0));
Volume<float> *hb = new CutoutVolume(body,head);//,0.95);
Volume<Color> *Cbody = new ShapedColorField(hb,Color(220.0/256,220.0/256,220.0/256,0.0));
Volume<float> *bodyFace = new UnionVolume(hb,face);
Volume<float> *UpperBody = new UnionVolume(bodyFace,arms);
Volume<float> *ulegb = new ImplicitBox(2,4);
Volume<float> *lpl1 = new ImplicitPlane(Vector(1,0,0),Vector(-0.75,0,0));
Volume<float> *lpl2 = new ImplicitPlane(Vector(-1,0,0),Vector(0.75,0,0));
Volume<float> *lpl3 = new ImplicitPlane(Vector(0,0,1),Vector(0,0,-0.75));
Volume<float> *lpl4 = new ImplicitPlane(Vector(0,0,-1),Vector(0,0,0.75));
Volume<float> *leg1 = new IntersectVolume(ulegb,lpl1);
Volume<float> *leg2 = new IntersectVolume(leg1,lpl2);
Volume<float> *leg3 = new IntersectVolume(leg2,lpl3);
Volume<float> *leg4 = new IntersectVolume(leg3,lpl4);
Volume<float> *knee = new ImplicitSphere(1);
Volume<float> *mknee = new TranslateScalarField(knee,Vector(0,-1.75,0));
Volume<float> *uLegb = new UnionVolume(leg4,mknee);
Volume<float> *uLegR = new RotateScalarField(uLegb,Vector(0,0,-1),M_PI/4);
Volume<float> *uLegT = new TranslateScalarField(uLegR,Vector(-2.3,-4.7,0));
Volume<float> *lLegT = new TranslateScalarField(leg4,Vector(-3.5,-7.6,0));
Volume<float> *leftLeg = new UnionVolume(uLegT,lLegT);
Volume<float> *uRLegR = new RotateScalarField(uLegb,Vector(0,0,1),M_PI/4);
Volume<float> *uRLegT = new TranslateScalarField(uRLegR,Vector(2.3,-4.7,0));
Volume<float> *RLegT = new TranslateScalarField(leg4,Vector(3.5,-7.6,0));
Volume<float> *rightLeg = new UnionVolume(uRLegT,RLegT);
Volume<float> *Legs = new UnionVolume(leftLeg,rightLeg);
Volume<Color> *Clegs = new ShapedColorField(Legs,Color(100/256.0,100/256.0,100/256.0,0));
Volume<float> *shape = new UnionVolume(Legs,UpperBody);
shape = new TranslateScalarField(shape,Vector(0,2,0));
*vol = new ClampVolume(shape,0,1);
*Cd = new UnionColor(Clarm,Crarm);
*Cd = new UnionColor(*Cd,Chand);
*Cd = new UnionColor(*Cd,Cface);
*Cd = new UnionColor(*Cd,Cbody);
*Cd = new UnionColor(*Cd,Clegs);
*Cd = new TranslateColorField(*Cd,Vector(0,2,0));
}