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Finished basic build of multibox region. Still bug-filled, needs fixing.

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BW Keller 2015-11-13 22:46:13 -05:00
parent 5f88186863
commit 3154f19ac0
1 changed files with 97 additions and 27 deletions
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124
plugins/region_multibox.cc
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@ -18,42 +18,42 @@
#include <algorithm>
#include "region_generator.hh"
#include "point_file_reader.hh"
typedef std::vector<int> col;
typedef std::vector<unsigned> col;
typedef std::vector<col> slice;
typedef std::vector<slice> grid;
typedef struct {
int x;
int y;
int z;
unsigned x;
unsigned y;
unsigned z;
} coord;
typedef std::vector<coord> region;
class region_multibox_plugin : public region_generator_plugin{
private:
int res, reflevel;
unsigned res;
double vfac_;
grid refgrid;
region find_equal(grid ingrid, int level)
region where(unsigned level)
{
slice curslice;
col curcol;
region equal_region;
coord cp;
for(int i=0;i<ingrid.size();i++)
for(unsigned i=0;i<refgrid.size();i++)
{
cp.x = i;
curslice = ingrid[i];
for(int j=0;j<curslice.size();j++)
curslice = refgrid[i];
for(unsigned j=0;j<curslice.size();j++)
{
cp.y = j;
curcol = curslice[j];
for(int k=0;k<curcol.size();k++)
for(unsigned k=0;k<curcol.size();k++)
{
cp.z = k;
if(curcol[k] == level)
@ -66,32 +66,32 @@ private:
return equal_region;
}
//This function takes the grid, a vector of doubles containing the particle
//coordinates, and sets each particle-containing gridcell to maxlevel.
void deposit_particles(grid ingrid, std::vector<double> pp, int maxlevel, int res)
//coordinates, and sets each particle-containing gridcell to levelmax_.
void deposit_particles(std::vector<double> pp, unsigned res)
{
int i,j,k;
unsigned i,j,k;
std::vector<double>::iterator cp = pp.begin();
while(cp != pp.end())
{
i = *(cp);
i = (*(cp)+0.5)*res;
cp++;
j = *(cp);
j = (*(cp)+0.5)*res;
cp++;
k = *(cp);
k = (*(cp)+0.5)*res;
cp++;
ingrid[int((i+0.5)*res)][int((j+0.5)*res)][int((k+0.5)*res)] = maxlevel;
refgrid[i][j][k] = levelmax_;
}
}
//This function takes the grid, which has been already had particles
//deposited onto it, and set to the maximum refinement level. It then
//fills the remaining refinement levels
void build_refgrid(grid ingrid, int maxlevel)
void build_refgrid()
{
region curregion;
for(int curlevel=maxlevel; curlevel>2; curlevel--)
for(unsigned curlevel=levelmax_; curlevel>(levelmin_+1); curlevel--)
{
curregion = find_equal(ingrid, curlevel);
curregion = where(curlevel);
for(region::iterator cp= curregion.begin(); cp != curregion.end(); ++cp)
{
for(int i=-1; i<2; i++)
@ -100,9 +100,9 @@ private:
{
for(int k=-1; k<2; k++)
{
if(ingrid[cp->x+i][cp->y+j][cp->z+k] == 0)
if(refgrid[cp->x+i][cp->y+j][cp->z+k] == levelmin_)
{
ingrid[cp->x+i][cp->y+j][cp->z+k] = curlevel-1;
refgrid[cp->x+i][cp->y+j][cp->z+k] = curlevel-1;
}
}
}
@ -115,33 +115,103 @@ public:
explicit region_multibox_plugin( config_file& cf )
: region_generator_plugin( cf )
{
//check parameters
if ( !cf.containsKey("setup", "region_point_file"))
{
LOGERR("Missing parameter \'region_point_file\' needed for region=multibox");
throw std::runtime_error("Missing parameter for region=multibox");
}
vfac_ = cf.getValue<double>("cosmology","vfact");
if (levelmin_ >= levelmax_)
{
LOGERR("Why are you specifying a region if you aren't refining?");
throw std::runtime_error("region=multibox needs levelmax>levelmin");
}
std::vector<double> pp;
res = 128;
point_reader pfr;
pfr.read_points_from_file(cf.getValue<std::string>("setup", "region_point_file"), vfac_, pp);
res = 1<<(levelmin_-1);
LOGINFO("Multibox Resolution: %d", res);
//Initialize the grid with zeros, the base level
refgrid = grid(res,slice(res,col(res,0)));
deposit_particles(refgrid, pp, reflevel, res);
build_refgrid(refgrid, reflevel);
refgrid = grid(res,slice(res,col(res,levelmin_)));
//Build the highest refinement region
deposit_particles(pp, res);
LOGINFO("Deposited Multigrid Particles");
//Build the intermediate refinement regions
build_refgrid();
LOGINFO("Built Multigrid");
}
void get_AABB( double *left, double *right, unsigned level )
{
left[0] = left[1] = left[2] = 0.5;
right[0] = right[1] = right[2] = -0.5;
if( level <= levelmin_ )
{
left[0] = left[1] = left[2] = 0.0;
right[0] = right[1] = right[2] = 1.0;
return;
}
region myres = where(level);
std::vector<coord>::iterator cp = myres.begin();
while (cp != myres.end())
{
//Check left side
if ((cp->x-0.5)/res-0.5 < left[0])
left[0] = (cp->x-0.5)/res-0.5;
if ((cp->y-0.5)/res-0.5 < left[1])
left[1] = (cp->y-0.5)/res-0.5;
if ((cp->z-0.5)/res-0.5 < left[2])
left[2] = (cp->z-0.5)/res-0.5;
//Check right side
if ((cp->x+0.5)/res-0.5 > right[0])
right[0] = (cp->x+0.5)/res-0.5;
if ((cp->y+0.5)/res-0.5 > right[1])
right[1] = (cp->y+0.5)/res-0.5;
if ((cp->z+0.5)/res-0.5 > right[2])
right[2] = (cp->z+0.5)/res-0.5;
cp++;
}
}
void update_AABB( double *left, double *right )
{
//no need for this I think?
}
bool query_point( double *x, int level )
{
if(fabs(x[0]) > 0.5 || fabs(x[1]) > 0.5 || fabs(x[2]) > 0.5)
{
printf("Outside point: %3.2e %3.2e %3.2e\n", x[0], x[1], x[2]);
return 0;
}
return (level == int(refgrid[(x[0]+0.5)*res][(x[1]+0.5)*res][(x[2]+0.5)*res]));
}
bool is_grid_dim_forced( size_t* ndims )
{
return false; //is this true?
}
void get_center( double *xc )
{
region hires = where(levelmax_);
std::vector<coord>::iterator cp = hires.begin();
int n=0;
while(cp != hires.end())
{
xc[0] += cp->x-0.5;
xc[1] += cp->y-0.5;
xc[2] += cp->z-0.5;
n++;
cp++;
}
xc[0] /= n;
xc[1] /= n;
xc[2] /= n;
}
void get_center_unshifted( double *xc )