interactive-track-and-trace/linear-interpolation/src/UVGrid.cpp

64 lines
1.6 KiB
C++

#include <ranges>
#include "UVGrid.h"
#include "readdata.h"
#include "to_vector.h"
#define sizeError2 "The sizes of the hydrodynamic data files are different"
#define sizeError "The sizes of the hydrodynamicU or -V files does not correspond with the sizes of the grid file"
using namespace std;
UVGrid::UVGrid() {
auto us = readHydrodynamicU();
auto vs = readHydrodynamicV();
if (us.size() != vs.size()) {
throw domain_error(sizeError2);
}
tie(times, lats, lons) = readGrid();
timeSize = times.size();
latSize = lats.size();
lonSize = lons.size();
size_t gridSize = timeSize * latSize * lonSize;
if (gridSize != us.size()) {
throw domain_error(sizeError);
}
uvData = to_vector(views::transform(views::zip(us, vs), [](auto pair){return Vel(pair);}));
// uvData = views::zip(us, vs)
// | views::transform([](auto pair) {
// return Vel(pair);
// })
// | ranges::to<vector>();
}
const Vel &UVGrid::operator[](size_t timeIndex, size_t latIndex, size_t lonIndex) const {
size_t index = timeIndex * (latSize * lonSize) + latIndex * lonIndex + lonIndex;
return uvData[index];
}
double UVGrid::lonStep() const {
return lons[1] - lons[0];
}
double UVGrid::latStep() const {
return lats[1] - lats[0];
}
int UVGrid::timeStep() const {
return times[1] - times[0];
}
void UVGrid::printSlice(size_t t) {
for (int x = 0; x < latSize; x++) {
for (int y = 0; y < lonSize; y++) {
auto [u,v] = (*this)[t,x,y];
printf("%7.4f, %7.4f", u, v);
}
cout << endl;
}
}