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CFtree_rebuild.c
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#include <math.h>
#include "CommandLineInterface/CLIcore.h"
#include "clustering_defs.h"
#include "CFmeminit.h"
#include "addvector_to_CF.h"
#include "compute_imdistance_double.h"
#include "droptree.h"
#include "get_availableCFindex.h"
#include "leafnode_attachleaf.h"
#include "node_attachnode.h"
#include "printCFtree.h"
#include "split_CF_node.h"
errno_t CFtree_rebuild(CLUSTERTREE *ctree, long *frameleafCFindex, long NBframe)
{
DEBUG_TRACE_FSTART();
// MERGE LEAVES
ctree->nbnode = 0;
ctree->nbleafnode = 0;
ctree->nbleaf = 0;
ctree->nbleafsingle = 0;
for(long cfi = 0; cfi < ctree->NBCF; cfi++)
{
switch(ctree->CFarray[cfi].type)
{
case CLUSTER_CF_TYPE_NODE:
ctree->nbnode++;
break;
case CLUSTER_CF_TYPE_LEAFNODE:
ctree->nbleafnode++;
break;
case CLUSTER_CF_TYPE_LEAF:
if(ctree->CFarray[cfi].N == 1)
{
ctree->nbleafsingle++;
}
ctree->nbleaf++;
break;
}
}
printf(" nbnode = %5ld\n", ctree->nbnode);
printf(" nbleafnode = %5ld\n", ctree->nbleafnode);
printf(" nbleaf = %5ld (incl %ld singles)\n",
ctree->nbleaf,
ctree->nbleafsingle);
// agglomerative algorithm works by merging tips of subtrees
// initially, tips = leafs
long *tipCFi = (long *) malloc(sizeof(long) * ctree->nbleaf);
if(tipCFi == NULL)
{
FUNC_RETURN_FAILURE("malloc error");
}
// pairwise distance between tips
double *tipdist =
(double *) malloc(sizeof(double) * ctree->nbleaf * ctree->nbleaf);
if(tipdist == NULL)
{
FUNC_RETURN_FAILURE("malloc error");
}
long nodeCFi_cnt = 0;
long nodeleafCFi_cnt = 0;
long leafCFi_cnt = 0;
for(long cfi = 0; cfi < ctree->NBCF; cfi++)
{
switch(ctree->CFarray[cfi].type)
{
case CLUSTER_CF_TYPE_NODE:
//nodeCFi[nodeCFi_cnt] = cfi;
FUNC_CHECK_RETURN(CFmeminit(ctree, cfi, 0));
nodeCFi_cnt++;
break;
case CLUSTER_CF_TYPE_LEAFNODE:
//nodeleafCFi[nodeleafCFi_cnt] = cfi;
FUNC_CHECK_RETURN(CFmeminit(ctree, cfi, 0));
nodeleafCFi_cnt++;
break;
case CLUSTER_CF_TYPE_LEAF:
tipCFi[leafCFi_cnt] = cfi;
ctree->CFarray[cfi].parentindex = -1;
ctree->CFarray[cfi].level = 0;
leafCFi_cnt++;
break;
}
}
// interleaf distances
//imageID IDleafdist;
//create_2Dimage_ID("leafdist", ctree->nbleaf, ctree->nbleaf, &IDleafdist);
printf("%s Computing pairwise leaf distance matrix\n", __func__);
double maxldist = 0.0;
for(long lf0 = 0; lf0 < ctree->nbleaf; lf0++)
{
tipdist[lf0 * ctree->nbleaf + lf0] = 0.0;
long cfi0 = tipCFi[lf0];
for(long lf1 = lf0 + 1; lf1 < ctree->nbleaf; lf1++)
{
long cfi1 = tipCFi[lf1];
double distval = 0.0;
FUNC_CHECK_RETURN(
compute_imdistance_double(ctree,
ctree->CFarray[cfi0].datasumvec,
ctree->CFarray[cfi0].N,
ctree->CFarray[cfi1].datasumvec,
ctree->CFarray[cfi1].N,
&distval));
if(distval > maxldist)
{
maxldist = distval;
}
tipdist[lf1 * ctree->nbleaf + lf0] = distval;
tipdist[lf0 * ctree->nbleaf + lf1] = distval;
}
}
printf("%s Done\n", __func__);
/*for(long lf0=0; lf0 < ctree->nbleaf; lf0 ++)
{
for(long lf1=0; lf1 < ctree->nbleaf; lf1 ++)
{
data.image[IDleafdist].array.F[lf1*ctree->nbleaf + lf0] =
tipdist[lf1*ctree->nbleaf + lf0] / ctree->T;
}
}*/
//save_fl_fits("leafdist", "leafdist0.fits");
double minleafdist = 0.0;
int nbmergeop = 0;
long lf0cnt = 10;
int opOK = 1;
long toptip = 0;
while(opOK == 1)
{
opOK = 0;
long minleafdist_lf0 = -1;
long minleafdist_lf1 = -1;
long minleafdist_cfi0 = -1;
long minleafdist_cfi1 = -1;
minleafdist = maxldist + 1.0e200;
lf0cnt = 0;
for(long lf0 = 0; lf0 < ctree->nbleaf; lf0++)
{
long cfi0 = tipCFi[lf0];
// select tips only
if((cfi0 != -1) && (ctree->CFarray[cfi0].parentindex == -1) &&
(ctree->CFarray[cfi0].type != CLUSTER_CF_TYPE_UNUSED))
{
lf0cnt++;
for(long lf1 = lf0 + 1; lf1 < ctree->nbleaf; lf1++)
{
long cfi1 = tipCFi[lf1];
if((cfi1 != -1) &&
(ctree->CFarray[cfi1].parentindex == -1) &&
(ctree->CFarray[cfi1].type != CLUSTER_CF_TYPE_UNUSED))
{
double ldist = tipdist[lf1 * ctree->nbleaf + lf0];
// add # pt regularization
ldist += ctree->CFarray[cfi0].N * ctree->T;
ldist += ctree->CFarray[cfi1].N * ctree->T;
if(ldist < minleafdist)
{
minleafdist_lf0 = lf0;
minleafdist_cfi0 = cfi0;
minleafdist_lf1 = lf1;
minleafdist_cfi1 = cfi1;
minleafdist = ldist;
}
}
}
}
}
if(minleafdist_lf0 == -1)
{
break;
}
long lf0 = minleafdist_lf0;
int lf0update = 0; // 1 if lf0 changes
long lf1 = minleafdist_lf1;
int lf1update = 0; // 1 if lf1 changes
long cfi0 = minleafdist_cfi0;
long cfi1 = minleafdist_cfi1;
printf(
"[%3ld] Minimum intertip distance "
"CF %ld (N=%ld R=%6.4f)- CF %ld (N=%ld R=%6.4f) = %lf ( dist = "
"%6.4f )\n",
lf0cnt,
minleafdist_cfi0,
ctree->CFarray[minleafdist_cfi0].N,
sqrt(ctree->CFarray[cfi0].radius2) / ctree->T,
minleafdist_cfi1,
ctree->CFarray[minleafdist_cfi1].N,
sqrt(ctree->CFarray[cfi1].radius2) / ctree->T,
minleafdist,
minleafdist / ctree->T);
// If both tips are leat type, try to merge them into a single leaf
if((ctree->CFarray[cfi0].type == CLUSTER_CF_TYPE_LEAF) &&
(ctree->CFarray[cfi1].type == CLUSTER_CF_TYPE_LEAF))
{
printf(" LEAF - LEAF\n");
// Trying to merge cfi1 into cfi0
int addOK = 0;
FUNC_CHECK_RETURN(addvector_to_CF(ctree,
ctree->CFarray[cfi1].datasumvec,
ctree->CFarray[cfi1].datassq,
ctree->CFarray[cfi1].N,
cfi0,
&addOK));
if(addOK == 1)
{
printf(" LEAF MERGE CF %ld into CF %ld\n", cfi1, cfi0);
opOK = 1;
nbmergeop++;
// keep track of frames origin
for(long fr = 0; fr < NBframe; fr++)
{
if(frameleafCFindex[fr] == cfi1)
{
frameleafCFindex[fr] = cfi0;
}
}
// removing cfi1
FUNC_CHECK_RETURN(CFmeminit(ctree, cfi1, 0));
printf(" -> CF %ld N = %ld R = %6.4f\n",
cfi0,
ctree->CFarray[cfi0].N,
sqrt(ctree->CFarray[cfi0].radius2) / ctree->T);
lf0update = 1;
// discard lf1
tipCFi[lf1] = -1;
toptip = cfi0;
}
else
{
printf(" INSERT IN LEAFNODE\n");
opOK = 1;
// Create empty leaf node
long ncfi;
FUNC_CHECK_RETURN(get_availableCFindex(ctree, &ncfi));
ctree->CFarray[ncfi].type = CLUSTER_CF_TYPE_LEAFNODE;
ctree->CFarray[ncfi].level = 1;
ctree->CFarray[ncfi].parentindex = -1;
ctree->CFarray[ncfi].NBchild = 0;
ctree->CFarray[ncfi].NBleaf = 0;
ctree->CFarray[ncfi].N = 0;
// attach cfi0 and cfi1 to new node
FUNC_CHECK_RETURN(leafnode_attachleaf(ctree, cfi0, ncfi));
FUNC_CHECK_RETURN(leafnode_attachleaf(ctree, cfi1, ncfi));
// point lf0 new CF indices
tipCFi[lf0] = ncfi;
lf0update = 1;
// and discard lf1
tipCFi[lf1] = -1;
toptip = ncfi;
}
}
if((ctree->CFarray[cfi0].type == CLUSTER_CF_TYPE_LEAF) &&
(ctree->CFarray[cfi1].type == CLUSTER_CF_TYPE_LEAFNODE))
{
printf(" LEAF - LEAFNODE\n");
printf(" attach %ld to %ld\n", cfi0, cfi1);
opOK = 1;
FUNC_CHECK_RETURN(leafnode_attachleaf(ctree, cfi0, cfi1));
if(ctree->CFarray[cfi1].NBleaf > ctree->L)
{
#ifdef DEBUGPRINT
printf("%s MAX LEAF NUMBER REACHED -> SPLIT LEAFNODE\n",
__func__);
#endif
long splitcfi0;
long splitcfi1;
FUNC_CHECK_RETURN(
split_CF_node(ctree, cfi1, &splitcfi0, &splitcfi1));
// point to new CF indices
tipCFi[lf0] = splitcfi0;
tipCFi[lf1] = splitcfi1;
}
}
if((ctree->CFarray[cfi0].type == CLUSTER_CF_TYPE_LEAFNODE) &&
(ctree->CFarray[cfi1].type == CLUSTER_CF_TYPE_LEAF))
{
printf(" LEAFNODE - LEAF\n");
printf(" attach %ld to %ld\n", cfi1, cfi0);
opOK = 1;
FUNC_CHECK_RETURN(leafnode_attachleaf(ctree, cfi1, cfi0));
toptip = cfi0;
if(ctree->CFarray[cfi0].NBleaf > ctree->L)
{
#ifdef DEBUGPRINT
printf(
"%s MAX LEAF NUMBER REACHED -> SPLIT LEAFNODE %ld\n",
__func__,
cfi0);
#endif
long splitcfi0;
long splitcfi1;
FUNC_CHECK_RETURN(
split_CF_node(ctree, cfi0, &splitcfi0, &splitcfi1));
// point to new CF indices
tipCFi[lf0] = splitcfi0;
tipCFi[lf1] = splitcfi1;
}
}
if((ctree->CFarray[cfi0].type == CLUSTER_CF_TYPE_LEAF) &&
(ctree->CFarray[cfi1].type == CLUSTER_CF_TYPE_NODE))
{
printf(" LEAF - NODE\n");
// Create empty leaf node
long ncfi;
FUNC_CHECK_RETURN(get_availableCFindex(ctree, &ncfi));
ctree->CFarray[ncfi].type = CLUSTER_CF_TYPE_LEAFNODE;
ctree->CFarray[ncfi].level = 1;
ctree->CFarray[ncfi].parentindex = -1;
ctree->CFarray[ncfi].NBchild = 0;
ctree->CFarray[ncfi].NBleaf = 0;
ctree->CFarray[ncfi].N = 0;
// attach cfi0 to new node
FUNC_CHECK_RETURN(leafnode_attachleaf(ctree, cfi0, ncfi));
// update pointer
tipCFi[lf0] = ncfi;
cfi0 = tipCFi[lf0];
toptip = ncfi;
}
if((ctree->CFarray[cfi0].type == CLUSTER_CF_TYPE_NODE) &&
(ctree->CFarray[cfi1].type == CLUSTER_CF_TYPE_LEAF))
{
printf(" NODE - LEAF\n");
// Create empty leaf node
long ncfi;
FUNC_CHECK_RETURN(get_availableCFindex(ctree, &ncfi));
ctree->CFarray[ncfi].type = CLUSTER_CF_TYPE_LEAFNODE;
ctree->CFarray[ncfi].level = 1;
ctree->CFarray[ncfi].parentindex = -1;
ctree->CFarray[ncfi].NBchild = 0;
ctree->CFarray[ncfi].NBleaf = 0;
ctree->CFarray[ncfi].N = 0;
// attach cfi1 to new node
FUNC_CHECK_RETURN(leafnode_attachleaf(ctree, cfi1, ncfi));
// update pointer
tipCFi[lf1] = ncfi;
cfi1 = tipCFi[lf1];
toptip = ncfi;
}
int nodemerge = 0;
if(opOK == 0)
{
if((ctree->CFarray[cfi0].type == CLUSTER_CF_TYPE_LEAFNODE) &&
(ctree->CFarray[cfi1].type == CLUSTER_CF_TYPE_LEAFNODE))
{
printf(" LEAFNODE - LEAFNODE\n");
nodemerge = 1;
}
if((ctree->CFarray[cfi0].type == CLUSTER_CF_TYPE_LEAFNODE) &&
(ctree->CFarray[cfi1].type == CLUSTER_CF_TYPE_NODE))
{
printf(" LEAFNODE - NODE\n");
nodemerge = 1;
}
if((ctree->CFarray[cfi0].type == CLUSTER_CF_TYPE_NODE) &&
(ctree->CFarray[cfi1].type == CLUSTER_CF_TYPE_LEAFNODE))
{
printf(" NODE - LEAFNODE\n");
nodemerge = 1;
}
if((ctree->CFarray[cfi0].type == CLUSTER_CF_TYPE_NODE) &&
(ctree->CFarray[cfi1].type == CLUSTER_CF_TYPE_NODE))
{
printf(" NODE - NODE\n");
nodemerge = 1;
}
}
if(nodemerge == 1)
{
opOK = 1;
// Create empty node
long ncfi;
FUNC_CHECK_RETURN(get_availableCFindex(ctree, &ncfi));
ctree->CFarray[ncfi].type = CLUSTER_CF_TYPE_NODE;
ctree->CFarray[ncfi].level = 1;
ctree->CFarray[ncfi].parentindex = -1;
ctree->CFarray[ncfi].NBchild = 0;
ctree->CFarray[ncfi].NBleaf = 0;
ctree->CFarray[ncfi].N = 0;
// attach cfi0 and cfi1 to new node
FUNC_CHECK_RETURN(node_attachnode(ctree, cfi0, ncfi));
FUNC_CHECK_RETURN(node_attachnode(ctree, cfi1, ncfi));
// point lf0 new CF indices
tipCFi[lf0] = ncfi;
lf0update = 1;
// and discard lf1
tipCFi[lf1] = -1;
toptip = ncfi;
}
// update distance matrix
if(lf0update == 1)
{
// update distances involving cfi0
for(long lf = 0; lf < ctree->nbleaf; lf++)
{
long cfi = tipCFi[lf];
if((cfi != -1) &&
(ctree->CFarray[cfi].type != CLUSTER_CF_TYPE_UNUSED) &&
(cfi != cfi0))
{
double distval = 0.0;
FUNC_CHECK_RETURN(compute_imdistance_double(
ctree,
ctree->CFarray[cfi0].datasumvec,
ctree->CFarray[cfi0].N,
ctree->CFarray[cfi].datasumvec,
ctree->CFarray[cfi].N,
&distval));
tipdist[lf * ctree->nbleaf + lf0] = distval;
tipdist[lf0 * ctree->nbleaf + lf] = distval;
}
}
}
if(lf1update == 1)
{
// update distances involving cfi1
for(long lf = 0; lf < ctree->nbleaf; lf++)
{
long cfi = tipCFi[lf];
if((cfi != -1) &&
(ctree->CFarray[cfi].type != CLUSTER_CF_TYPE_UNUSED) &&
(cfi != cfi1))
{
double distval = 0.0;
FUNC_CHECK_RETURN(compute_imdistance_double(
ctree,
ctree->CFarray[cfi1].datasumvec,
ctree->CFarray[cfi1].N,
ctree->CFarray[cfi].datasumvec,
ctree->CFarray[cfi].N,
&distval));
tipdist[lf * ctree->nbleaf + lf1] = distval;
tipdist[lf1 * ctree->nbleaf + lf] = distval;
}
}
}
if(tipCFi[lf0] == -1)
{
for(long lf = 0; lf < ctree->nbleaf; lf++)
{
tipdist[lf * ctree->nbleaf + lf0] = 0.0;
tipdist[lf0 * ctree->nbleaf + lf] = 0.0;
}
}
if(tipCFi[lf1] == -1)
{
for(long lf = 0; lf < ctree->nbleaf; lf++)
{
tipdist[lf * ctree->nbleaf + lf1] = 0.0;
tipdist[lf1 * ctree->nbleaf + lf] = 0.0;
}
}
/*for(long lf0=0; lf0 < ctree->nbleaf; lf0 ++)
{
for(long lf1=0; lf1 < ctree->nbleaf; lf1 ++)
{
data.image[IDleafdist].array.F[lf1*ctree->nbleaf + lf0] =
leafdist[lf1*ctree->nbleaf + lf0] / ctree->T;
}
}
save_fl_fits("leafdist", "leafdist1.fits");*/
}
printf("NUMBER OF MERGE OPERATION = %d\n", nbmergeop);
printf("TOP CF INDEX = %ld\n", toptip);
{
int leveloffset = ctree->CFarray[toptip].level;
printf("level offset = %d\n", leveloffset);
for(long cfi = 0; cfi < ctree->NBCF; cfi++)
{
if(ctree->CFarray[cfi].type != CLUSTER_CF_TYPE_UNUSED)
{
ctree->CFarray[cfi].level -= leveloffset;
}
}
}
ctree->rootindex = toptip;
if(ctree->CFarray[toptip].type == CLUSTER_CF_TYPE_LEAFNODE)
{
droptree(ctree);
}
if(ctree->CFarray[toptip].type == CLUSTER_CF_TYPE_LEAF)
{
droptree(ctree);
droptree(ctree);
}
{
// list leaves
printf("\n\n ---------- leaf CFs -------------------------------\n");
for(long cfi = 0; cfi < ctree->NBCF; cfi++)
{
if(ctree->CFarray[cfi].type == CLUSTER_CF_TYPE_LEAF)
{
printf("[CF %4ld] N= %4ld R= %6.4f | ",
cfi,
ctree->CFarray[cfi].N,
sqrt(ctree->CFarray[cfi].radius2) / ctree->T);
for(long fr = 0; fr < NBframe; fr++)
{
if(frameleafCFindex[fr] == cfi)
{
printf(" %5ld", fr);
}
}
printf("\n");
}
}
}
FUNC_CHECK_RETURN(printCFtree(ctree));
free(tipdist);
free(tipCFi);
DEBUG_TRACE_FEXIT();
return RETURN_SUCCESS;
}