File indexing completed on 2026-04-09 07:49:07
0001
0002 #include "NP.hh"
0003 #include "SPath.hh"
0004 #include "OPTICKS_LOG.hh"
0005
0006 #include "QTex.hh"
0007 #include "QTexMaker.hh"
0008 #include "QTexLookup.hh"
0009
0010 const char* FOLD = "$TMP/QTexLookupTest" ;
0011
0012 NP* make_array(unsigned ni, unsigned nj, unsigned nk)
0013 {
0014 std::vector<float> src ;
0015 for(unsigned i=0 ; i < ni ; i++)
0016 for(unsigned j=0 ; j < nj ; j++)
0017 for(unsigned k=0 ; k < nk ; k++)
0018 {
0019 float val = float(i*100 + j*10 + k) ;
0020 src.push_back(val);
0021 }
0022
0023 NP* a = NP::Make<float>( ni, nj, nk );
0024 a->read(src.data()) ;
0025 a->set_meta<unsigned>("hd_factor", 10);
0026
0027 return a ;
0028 }
0029
0030 int main(int argc, char** argv)
0031 {
0032 OPTICKS_LOG(argc, argv);
0033
0034 const NP* origin = make_array( 5, 10, 4 );
0035 char filterMode = 'P' ;
0036 unsigned hd_factor = origin->get_meta<unsigned>("hd_factor");
0037 assert( hd_factor > 0 );
0038 bool normalizedCoords = false ;
0039
0040 QTex<float4>* tex = QTexMaker::Make2d_f4(origin, filterMode, normalizedCoords );
0041 assert(tex);
0042
0043 tex->setHDFactor(hd_factor);
0044 tex->uploadMeta();
0045
0046 QTexLookup<float4> look(tex);
0047 NP* out = look.lookup();
0048
0049 int create_dirs = 2 ;
0050 const char* fold = SPath::Resolve(FOLD, create_dirs);
0051
0052 out->save(fold, "lookup.npy");
0053 origin->save(fold, "origin.npy");
0054
0055 return 0 ;
0056 }
0057
0058
0059
