rasterfluxintegration.h

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#pragma once
#include <QPointF>
#include <QString>
#include <QVector>
#include <functional>
 
namespace openswmmvis::assignment
{
enum class RasterFluxCoverage { Complete, ValidAreaOnly };
struct RasterFluxRequest {
    QString path, meshCrsWkt, assignedSourceCrsWkt;
    int band = 1;
    QVector<int> cells;
    QVector<QVector<QPointF>> footprints;
    QString densityUnit; // Explicit: m/s, mm/h, m/day, in/h. Empty is invalid.
    double scale = 1, offset = 0;
    RasterFluxCoverage coverage = RasterFluxCoverage::Complete;
};
struct RasterFluxResult {
    QVector<double> flows, validAreas,
        uncoveredAreas; // Aligned request cells; NaN flow means preserve.
    double selectedArea = 0, validArea = 0, uncoveredArea = 0, totalFlow = 0;
    int partialCells = 0, emptyCells = 0;
    QString error;
    bool cancelled = false;
};
// Original-resolution pixel/cell intersections in equivalent projected CRSs.
// Area is converted from declared CRS units to m²; flow is signed m³/s.
// Failure/cancellation returns no actionable cell values.
RasterFluxResult integrateRasterFlux(const RasterFluxRequest &request,
                                     std::function<bool()> cancelled = {});
}