void NoiseVolumeRenderer::drawImplementation(osg::State& state) const
{
if(waterVolume() == 0) {
return;
}
Point p;
Point o = waterVolume()->origin();
double dx = 1.0 / ((waterVolume()->sizeX() - 1) * waterVolume()->stepX());
double dy = 1.0 / ((waterVolume()->sizeY() - 1) * waterVolume()->stepY());
double dz = 1.0 / ((waterVolume()->sizeZ() - 1) * waterVolume()->stepZ());
glBegin(GL_LINES);
// x axis
glColor4f(1.0, 0.0, 0.0, 1.0);
p = waterVolume()->point(0, 0, 0);
glVertex3d(p.x(), p.y(), p.z());
p = waterVolume()->point(waterVolume()->sizeX()-1, 0, 0);
glVertex3d(p.x(), p.y(), p.z());
// y axis
glColor4f(0.0, 1.0, 0.0, 1.0);
p = waterVolume()->point(0, 0, 0);
glVertex3d(p.x(), p.y(), p.z());
p = waterVolume()->point(0, waterVolume()->sizeY()-1, 0);
glVertex3d(p.x(), p.y(), p.z());
// z axis
glColor4f(0.0, 0.0, 1.0, 1.0);
p = waterVolume()->point(0, 0, 0);
glVertex3d(p.x(), p.y(), p.z());
p = waterVolume()->point(0, 0, waterVolume()->sizeZ()-1);
glVertex3d(p.x(), p.y(), p.z());
glEnd();
Locker lock(waterVolume());
// showing velocities
/* glBegin(GL_LINES);
glColor4d(1.0, 1.0, 1.0, 1.0);
for(unsigned i = 0; i < waterVolume()->sizeX(); i++) {
for(unsigned j = 0; j < waterVolume()->sizeY(); j++) {
for(unsigned k = 0; k < waterVolume()->sizeZ(); k++) {
Vector v = waterVolume()->velocity(i, j, k);
Point p1 = waterVolume()->point(i, j, k);
Point p2 = p1 + v;
glVertex3d(p1.x(), p1.y(), p1.z());
glVertex3d(p2.x(), p2.y(), p2.z());
}
}
}
glEnd();*/
double tr = 1.0 / threshold();
// showing densities
for(unsigned i = 1; i < waterVolume()->sizeX() - 1; i++) {
for(unsigned j = 1; j < waterVolume()->sizeY() - 1; j++) {
for(unsigned k = 1; k < waterVolume()->sizeZ() - 1; k++) {
Vector n;
double x, y, z, t, d;
// cube vertices
Point p1 = waterVolume()->point( i, j, k);
Point p2 = waterVolume()->point(i+1, j, k+1);
Point p3 = waterVolume()->point(i+1, j, k);
Point p4 = waterVolume()->point(i+1, j+1, k+1);
Point p5 = waterVolume()->point(i+1, j+1, k);
Point p6 = waterVolume()->point( i, j+1, k+1);
Point p7 = waterVolume()->point( i, j+1, k);
Point p8 = waterVolume()->point( i, j, k+1);
glBegin(GL_TRIANGLE_STRIP);
// first face
n = ((p3 - p1) ^ (p2 - p1)).normalise();
glNormal3d(n.x(), n.y(), n.z());
x = (p8.x() - o.x()) * dx;
y = (p8.y() - o.y()) * dy;
z = (p8.z() - o.z()) * dz;
t = ImprovedNoise::noise(x, y, z) + 0.5;
d = waterVolume()->density(i, j, k+1) * tr;
glColor4d(t, t, t, d);
glTexCoord3d(x, y, z);
glVertex3d(p8.x(), p8.y(), p8.z());
x = (p1.x() - o.x()) * dx;
y = (p1.y() - o.y()) * dy;
z = (p1.z() - o.z()) * dz;
t = ImprovedNoise::noise(x, y, z) + 0.5;
d = waterVolume()->density(i, j, k) * tr;
glColor4d(t, t, t, d);
glTexCoord3d(x, y, z);
glVertex3d(p1.x(), p1.y(), p1.z());
x = (p2.x() - o.x()) * dx;
y = (p2.y() - o.y()) * dy;
z = (p2.z() - o.z()) * dz;
t = ImprovedNoise::noise(x, y, z) + 0.5;
d = waterVolume()->density(i+1, j, k+1) * tr;
glColor4d(t, t, t, d);
glTexCoord3d(x, y, z);
glVertex3d(p2.x(), p2.y(), p2.z());
x = (p3.x() - o.x()) * dx;
y = (p3.y() - o.y()) * dy;
z = (p3.z() - o.z()) * dz;
t = ImprovedNoise::noise(x, y, z) + 0.5;
d = waterVolume()->density(i+1, j, k) * tr;
glColor4d(t, t, t, d);
glTexCoord3d(x, y, z);
glVertex3d(p3.x(), p3.y(), p3.z());
// second face
n = ((p5 - p3) ^ (p4 - p3)).normalise();
glNormal3d(n.x(), n.y(), n.z());
x = (p4.x() - o.x()) * dx;
y = (p4.y() - o.y()) * dy;
z = (p4.z() - o.z()) * dz;
t = ImprovedNoise::noise(x, y, z) + 0.5;
d = waterVolume()->density(i+1, j+1, k+1) * tr;
glColor4d(t, t, t, d);
glTexCoord3d(x, y, z);
glVertex3d(p4.x(), p4.y(), p4.z());
x = (p5.x() - o.x()) * dx;
y = (p5.y() - o.y()) * dy;
z = (p5.z() - o.z()) * dz;
t = ImprovedNoise::noise(x, y, z) + 0.5;
d = waterVolume()->density(i+1, j+1, k) * tr;
glColor4d(t, t, t, d);
glTexCoord3d(x, y, z);
glVertex3d(p5.x(), p5.y(), p5.z());
// third face
n = ((p7 - p5) ^ (p6 - p5)).normalise();
glNormal3d(n.x(), n.y(), n.z());
x = (p6.x() - o.x()) * dx;
y = (p6.y() - o.y()) * dy;
z = (p6.z() - o.z()) * dz;
t = ImprovedNoise::noise(x, y, z) + 0.5;
d = waterVolume()->density(i, j+1, k+1) * tr;
glColor4d(t, t, t, d);
glTexCoord3d(x, y, z);
glVertex3d(p6.x(), p6.y(), p6.z());
x = (p7.x() - o.x()) * dx;
y = (p7.y() - o.y()) * dy;
z = (p7.z() - o.z()) * dz;
t = ImprovedNoise::noise(x, y, z) + 0.5;
d = waterVolume()->density(i, j+1, k) * tr;
glColor4d(t, t, t, d);
glTexCoord3d(x, y, z);
glVertex3d(p7.x(), p7.y(), p7.z());
// fourth face
n = ((p1 - p7) ^ (p8 - p7)).normalise();
glNormal3d(n.x(), n.y(), n.z());
x = (p8.x() - o.x()) * dx;
y = (p8.y() - o.y()) * dy;
z = (p8.z() - o.z()) * dz;
t = ImprovedNoise::noise(x, y, z) + 0.5;
d = waterVolume()->density(i, j, k+1) * tr;
glColor4d(t, t, t, d);
glTexCoord3d(x, y, z);
glVertex3d(p8.x(), p8.y(), p8.z());
x = (p1.x() - o.x()) * dx;
y = (p1.y() - o.y()) * dy;
z = (p1.z() - o.z()) * dz;
t = ImprovedNoise::noise(x, y, z) + 0.5;
d = waterVolume()->density(i, j, k) * tr;
glColor4d(t, t, t, d);
glTexCoord3d(x, y, z);
glVertex3d(p1.x(), p1.y(), p1.z());
glEnd();
}
}
}
}
void Law2_ScGeom_CapillaryPhys_Capillarity1::action()
{
bool switched = (switchTriangulation == (imposePressure or totalVolumeConstant));
switchTriangulation = (imposePressure or totalVolumeConstant);
InteractionContainer::iterator ii = scene->interactions->begin();
InteractionContainer::iterator iiEnd = scene->interactions->end();
if (imposePressure) {
solver(capillaryPressure,switched);
}
else{
if (((totalVolumeConstant || (!totalVolumeConstant && firstIteration==1)) && totalVolumeofWater!=-1) || (totalVolumeConstant && totalVolumeofWater==-1))
{
if (!totalVolumeConstant) x=1;
totalVolumeConstant=1;
Real p0=capillaryPressure;
Real slope;
Real eps=0.0000000001;
solver(p0,switched);
Real V0=waterVolume();
if (totalVolumeConstant && totalVolumeofWater==-1 && firstIteration==1){
totalVolumeofWater=V0;
firstIteration+=1;
}
Real p1=capillaryPressure+0.1;
solver(p1,switched);
Real V1=waterVolume();
while (abs((totalVolumeofWater-V1)/totalVolumeofWater)>eps){
slope= (p1-p0)/(V1-V0);
p0=p1;
V0=V1;
p1=p1-slope*(V1-totalVolumeofWater);
if (p1<0) {
cout<< "The requested volume of water is quite big, the simulation will continue at constant suction.:"<< p0 <<endl;
capillaryPressure=p0;
imposePressure=1;
break;
}
solver(p1,switched);
V1=waterVolume();
capillaryPressure=p1;
}
if (x==1){
totalVolumeConstant=0;
firstIteration+=1;
}
}
else{
if ((!totalVolumeConstant && firstIteration==1) && totalVolumeofWater==-1){
totalVolumeConstant=1;
solver(capillaryPressure,switched);
firstIteration+=1;
totalVolumeConstant=0;
}
else
{
solver(capillaryPressure,switched);
}
}
}
for (ii= scene->interactions->begin(); ii!=iiEnd ; ++ii) {
CapillaryPhys1* phys = dynamic_cast<CapillaryPhys1*>((*ii)->phys.get());
if ((*ii)->isReal() && phys-> computeBridge==true) {
CapillaryPhys1* cundallContactPhysics=NULL;
MindlinCapillaryPhys* mindlinContactPhysics=NULL;
if (!hertzOn) cundallContactPhysics = static_cast<CapillaryPhys1*>((*ii)->phys.get());//use CapillaryPhys for linear model
else mindlinContactPhysics = static_cast<MindlinCapillaryPhys*>((*ii)->phys.get());//use MindlinCapillaryPhys for hertz model
if ((hertzOn && mindlinContactPhysics->meniscus) || (!hertzOn && cundallContactPhysics->meniscus)) {
if (fusionDetection) {//version with effect of fusion
//BINARY VERSION : if fusionNumber!=0 then no capillary force
short int& fusionNumber = hertzOn?mindlinContactPhysics->fusionNumber:cundallContactPhysics->fusionNumber;
if (binaryFusion) {
if (fusionNumber!=0) { //cerr << "fusion" << endl;
hertzOn?mindlinContactPhysics->fCap:cundallContactPhysics->fCap = Vector3r::Zero();
continue;
}
}
//LINEAR VERSION : capillary force is divided by (fusionNumber + 1) - NOTE : any decreasing function of fusionNumber can be considered in fact
else if (fusionNumber !=0) hertzOn?mindlinContactPhysics->fCap:cundallContactPhysics->fCap /= (fusionNumber+1.);
}
scene->forces.addForce((*ii)->getId1(), hertzOn?mindlinContactPhysics->fCap:cundallContactPhysics->fCap);
scene->forces.addForce((*ii)->getId2(),-(hertzOn?mindlinContactPhysics->fCap:cundallContactPhysics->fCap));
}
}
}
}
