52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
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#include "cartesiangridtohorizontalslicefilter.h"
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#include <iostream>
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CartesianGridToHorizontalSliceFilter::CartesianGridToHorizontalSliceFilter()
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{
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}
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CartesianGridToHorizontalSliceFilter::~CartesianGridToHorizontalSliceFilter()
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{
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std::cout << "FILTER DESTRUCTOR CALLED!\n";
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}
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void CartesianGridToHorizontalSliceFilter::setDataSource(float *source) {
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cartesianDataGrid = source;
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}
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void CartesianGridToHorizontalSliceFilter::setSlice(int iz) {
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z = iz;
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}
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void CartesianGridToHorizontalSliceFilter::changeWindComponent(int ic) {
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// kinda useless because we already have the function, but whatever
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windcomponent = ic;
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}
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void CartesianGridToHorizontalSliceFilter::setWindComponent(int ic) {
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windcomponent = ic;
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}
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//float* CartesianGridToHorizontalSliceFilter::passSliceMagnitude(int xs, int ys) {
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// // We copy the relevant part of our original to our slice array
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// // PRO: We can perform isolated operations on this slice array
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// // CONTRA: We are slow
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// float* slice = new float[xs*ys*3];
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// for (int i=0; i < ys; i++) {
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// for (int j=0; j< xs; j++) {
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// slice[i*xs + j]=cartesianDataGrid[(z*xs*ys + i*xs + j)*3 + windcomponent];
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// }
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// }
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// return slice;
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//}
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float* CartesianGridToHorizontalSliceFilter::passSlice(int xs, int ys) {
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// We only pass the pointer to the beginning of our slice
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// PRO: We are blazingly fast
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// CONTRA: We perform filtering operations on the source!
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return &cartesianDataGrid[z*xs*ys*3+windcomponent];
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// We don't even need to pass information about which windcomponent we're using
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// We just loop through each 3rd element for graphics
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}
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