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// Clipper-map histogram
/* (C) 2004 Kevin Cowtan */
#include <clipper/clipper.h>
#include <clipper/clipper-ccp4.h>
using namespace clipper;
using namespace clipper::data32;
int main(int argc, char** argv)
{
Xmap<float> xmap;
Xmap<float> xmsk;
CCP4MAPfile file;
file.open_read( argv[1] );
file.import_xmap( xmap );
file.close_read();
xmsk.init( xmap.spacegroup(), xmap.cell(), xmap.grid_sampling() );
xmsk = 1.0;
if ( argc > 2 ) {
file.open_read( argv[2] );
file.import_xmap( xmsk );
file.close_read();
}
clipper::Range<double> xrng( -1.0, 1.0 );
clipper::Histogram hist( xrng, 100 );
clipper::Xmap_base::Map_reference_index ix;
float s0 = 0.0, s1 = 0.0;
for ( ix = xmap.first(); !ix.last(); ix.next() ) {
if ( xmsk[ix] > 0.5 ) {
s0 += 1.0;
s1 += xmap[ix];
}
}
s1 /= s0;
for ( ix = xmap.first(); !ix.last(); ix.next() ) {
if ( xmsk[ix] > 0.5 ) {
hist.accumulate( xmap[ix] - s1, 50.0/s0 );
}
}
for ( int i = 0; i < hist.size(); i++ ) {
std::cout << hist.y(i) << "\n";
}
}
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