,fNTNodes(0)
,fTNodes(0x0)
,fTNodesDraw(0x0)
- ,fStatus(4)
+ ,fStatus(0)
,fLambda(1 + dim + (dim*(dim+1)>>1))
,fDepth(-1)
,fAlpha(.5)
{
// Default constructor. To be used with care since in this case building
// of data structure is completly left to the user responsability.
+ UseWeights();
}
//_________________________________________________________________
return (TKDNodeInfo*)(*fTNodes)[inode];
}
+//_________________________________________________________________
+Bool_t TKDInterpolatorBase::GetRange(Int_t ax, Float_t &min, Float_t &max) const
+{
+ if(!fTNodes) return kFALSE;
+ Int_t ndim = ((TKDNodeInfo*)(*fTNodes)[0])->GetDimension();
+ if(ax<0 || ax>=ndim){
+ min=0.; max=0.;
+ return kFALSE;
+ }
+ min=1.e10; max=-1.e10;
+ Float_t axmin, axmax;
+ for(Int_t in=fNTNodes; in--; ){
+ TKDNodeInfo *node = (TKDNodeInfo*)((*fTNodes)[in]);
+ node->GetBoundary(ax, axmin, axmax);
+ if(axmin<min) min = axmin;
+ if(axmax>max) max = axmax;
+ }
+
+ return kTRUE;
+}
//__________________________________________________________________
-void TKDInterpolatorBase::GetStatus()
+void TKDInterpolatorBase::GetStatus(Option_t *opt)
{
// Prints the status of the interpolator
- printf("Interpolator Status :\n");
+ printf("Interpolator Status[%d] :\n", fStatus);
printf(" Dim : %d [%d]\n", fNSize, fLambda);
- printf(" Method : %s\n", fStatus&1 ? "INT" : "COG");
- printf(" Store : %s\n", fStatus&2 ? "YES" : "NO");
- printf(" Weights: %s\n", fStatus&4 ? "YES" : "NO");
+ printf(" Method : %s\n", UseCOG() ? "COG" : "INT");
+ printf(" Store : %s\n", HasStore() ? "YES" : "NO");
+ printf(" Weights: %s\n", UseWeights() ? "YES" : "NO");
+ if(strcmp(opt, "all") != 0 ) return;
printf("fNTNodes %d\n", fNTNodes); //Number of evaluation data points
for(int i=0; i<fNTNodes; i++){
TKDNodeInfo *node = (TKDNodeInfo*)(*fTNodes)[i];
return 0.;
}
TKDNodeInfo *node = (TKDNodeInfo*)(*fTNodes)[nodeIndex];
- if((fStatus&1) && node->Cov() && !force) return node->CookPDF(point, result, error);
+ if(node->Cov() && !force) return node->CookPDF(point, result, error);
// Allocate memory
if(!fBuffer) fBuffer = new Double_t[2*fLambda];
fRefPoints[id] = new Float_t[fNTNodes];
for(int in=0; in<fNTNodes; in++) fRefPoints[id][in] = ((TKDNodeInfo*)(*fTNodes)[in])->Data()[id];
}
+ Info("TKDInterpolatorBase::Eval()", Form("Build TKDTree(%d, %d, %d)", fNTNodes, fNSize, kNhelper));
fKDhelper = new TKDTreeIF(fNTNodes, fNSize, kNhelper, fRefPoints);
fKDhelper->Build();
fKDhelper->MakeBoundariesExact();
Bool_t kDOWN = kFALSE;
do{
+ if(npoints){
+ Info("TKDInterpolatorBase::Eval()", Form("Interpolation failed. Trying to increase the number of interpolation points from %d to %d.", npoints, npoints_new));
+ }
if(npoints == npoints_new){
Error("TKDInterpolatorBase::Eval()", Form("Interpolation failed and number of interpolation points (%d) Can not be increased further.", npoints));
result = 0.;
for(int in=0; in<npoints; in++){
tnode = (TKDNodeInfo*)(*fTNodes)[index[in]];
//tnode->Print();
- if(fStatus&1){ // INT
+ if(UseCOG()){ // COG
+ Float_t *p = &(tnode->Data()[0]);
+ ipar = 0;
+ for(int idim=0; idim<fNSize; idim++){
+ fBuffer[ipar++] = p[idim];
+ for(int jdim=idim; jdim<fNSize; jdim++) fBuffer[ipar++] = p[idim]*p[jdim];
+ }
+ } else { // INT
Float_t *bounds = &(tnode->Data()[fNSize]);
ipar = 0;
for(int idim=0; idim<fNSize; idim++){
fBuffer[ipar++] = (bounds[2*idim]*bounds[2*idim] + bounds[2*idim] * bounds[2*idim+1] + bounds[2*idim+1] * bounds[2*idim+1])/3.;
for(int jdim=idim+1; jdim<fNSize; jdim++) fBuffer[ipar++] = (bounds[2*idim] + bounds[2*idim+1]) * (bounds[2*jdim] + bounds[2*jdim+1]) * .25;
}
- } else { // COG
- Float_t *p = &(tnode->Data()[0]);
- ipar = 0;
- for(int idim=0; idim<fNSize; idim++){
- fBuffer[ipar++] = p[idim];
- for(int jdim=idim; jdim<fNSize; jdim++) fBuffer[ipar++] = p[idim]*p[jdim];
- }
}
// calculate tri-cubic weighting function
- if(fStatus&4){
- d = dist[in]/ dist[npoints];
+ if(UseWeights()){
+ d = dist[in]/dist[npoints];
w0 = (1. - d*d*d); w = w0*w0*w0;
+ if(w<1.e-30) continue;
} else w = 1.;
-// printf("%2d x[", index[in]);
+// printf("%2d d[%f] w[%f] x[", index[in], d, w);
// for(int idim=0; idim<fLambda-1; idim++) printf("%f ", fBuffer[idim]);
-// printf("] v[%f +- %f] (%f, %f)\n", tnode->Val()[0], tnode->Val()[1]/w, tnode->Val()[1], w);
+// printf("]\n"); printf("v[%f +- %f] (%f, %f)\n", tnode->Val()[0], tnode->Val()[1]/w, tnode->Val()[1], w);
fFitter->AddPoint(fBuffer, tnode->Val()[0], tnode->Val()[1]/w);
}
npoints_new = npoints+ (kDOWN ? 0 : kdN);
Double_t chi2 = fFitter->GetChisquare()/(npoints - 4 - fLambda);
// store results
- if(fStatus&2 && fStatus&1) node->Store(par, cov);
+ if(HasStore()) node->Store(par, cov);
// Build df/dpi|x values
Double_t *fdfdp = &fBuffer[fLambda];
}
//_________________________________________________________________
-void TKDInterpolatorBase::DrawBins(UInt_t ax1, UInt_t ax2, Float_t ax1min, Float_t ax1max, Float_t ax2min, Float_t ax2max)
+void TKDInterpolatorBase::DrawProjection(UInt_t ax1, UInt_t ax2)
{
// Draw nodes structure projected on plane "ax1:ax2". The parameter
// "depth" specifies the bucket size per node. If depth == -1 draw only
// terminal nodes and evaluation points (default -1 i.e. bucket size per node equal bucket size specified by the user)
//
-// Observation:
-// This function creates the nodes (TBox) array for the specified depth
-// but don't delete it. Abusing this function may cause memory leaks !
-
-
+ Float_t ax1min, ax1max, ax2min, ax2max;
+ GetRange(ax1, ax1min, ax1max);
+ GetRange(ax2, ax2min, ax2max);
TH2 *h2 = 0x0;
- if(!(h2 = (TH2S*)gROOT->FindObject("hKDnodes"))){
+ if(!(h2 = (TH2S*)gROOT->FindObject("hKDnodes"))){
h2 = new TH2S("hKDnodes", "", 100, ax1min, ax1max, 100, ax2min, ax2max);
- h2->GetXaxis()->SetTitle(Form("x_{%d}", ax1));
- h2->GetYaxis()->SetTitle(Form("x_{%d}", ax2));
}
+ h2->GetXaxis()->SetRangeUser(ax1min, ax1max);
+ h2->GetXaxis()->SetTitle(Form("x_{%d}", ax1));
+ h2->GetYaxis()->SetRangeUser(ax2min, ax2max);
+ h2->GetYaxis()->SetTitle(Form("x_{%d}", ax2));
h2->Draw();
-
+
if(!fTNodesDraw) fTNodesDraw = new TKDNodeInfo::TKDNodeDraw[fNTNodes];
TKDNodeInfo::TKDNodeDraw *box = 0x0;
- for(Int_t in=0; in<fNTNodes; in++){
- TKDNodeInfo *node = (TKDNodeInfo*)((*fTNodes)[in]);
-
+ for(Int_t in=fNTNodes; in--; ){
box = &(fTNodesDraw[in]);
- box->SetNode(node, fNSize, ax1, ax2);
+ box->SetNode((TKDNodeInfo*)((*fTNodes)[in]), fNSize, ax1, ax2);
box->Draw();
}
+
return;
}
return;
}
-//__________________________________________________________________
-void TKDInterpolatorBase::SetInterpolationMethod(Bool_t on)
-{
-// Set interpolation bit to "on".
-
- if(on) fStatus += fStatus&1 ? 0 : 1;
- else fStatus += fStatus&1 ? -1 : 0;
-}
-
-
-//_________________________________________________________________
-void TKDInterpolatorBase::SetStore(Bool_t on)
-{
-// Set store bit to "on"
-
- if(on) fStatus += fStatus&2 ? 0 : 2;
- else fStatus += fStatus&2 ? -2 : 0;
-}
-
-//_________________________________________________________________
-void TKDInterpolatorBase::SetWeights(Bool_t on)
-{
-// Set weights bit to "on"
-
- if(on) fStatus += fStatus&4 ? 0 : 4;
- else fStatus += fStatus&4 ? -4 : 0;
-}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff