63 lines
1.3 KiB
C++
63 lines
1.3 KiB
C++
#include <cmath>
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#include <iostream>
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#include <cstdlib>
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#include "cic.hpp"
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#include "loadGadget.hpp"
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#include "miniargs.hpp"
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#include "yorick.hpp"
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using namespace std;
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using namespace CosmoTool;
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int main(int argc, char **argv)
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{
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uint32_t res;
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char *fname;
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int id;
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MiniArgDesc desc[] = {
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{ "SNAPSHOT", &fname, MINIARG_STRING },
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{ "ID", &id, MINIARG_INT },
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{ "RESOLUTION", &res, MINIARG_INT },
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{ 0, 0, MINIARG_NULL }
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};
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if (!parseMiniArgs(argc, argv, desc))
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return 1;
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SimuData *p = loadGadgetMulti(fname, 0, 0);
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double L0 = p->BoxSize/1000;
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CICFilter filter(res, L0);
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delete p;
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try {
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for (int cpuid=0;;cpuid++) {
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p = loadGadgetMulti(fname, cpuid, NEED_POSITION);
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for (uint32_t i = 0; i < p->NumPart; i++)
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{
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CICParticles a;
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a.mass = 1.0;
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a.coords[0] = p->Pos[0][i]/1000;
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a.coords[1] = p->Pos[1][i]/1000;
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a.coords[2] = p->Pos[2][i]/1000;
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filter.putParticles(&a, 1);
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}
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delete p;
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}
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} catch (const NoSuchFileException& e) {}
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CICType *denField;
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uint32_t Ntot;
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filter.getDensityField(denField, Ntot);
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cout << "L0=" << L0 << endl;
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cout << "Saving density field" << endl;
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uint32_t dimList[] = { res, res, res};
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saveArray("densityField.nc", denField, dimList, 3);
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return 0;
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}
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