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49 lines
1.7 KiB
C++
49 lines
1.7 KiB
C++
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/*****************************************************************************
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* Copyright (c) 2020, Hobu, Inc. (info@hobu.co) *
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* *
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* All rights reserved. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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****************************************************************************/
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#include <cmath>
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#include <cstdint>
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#include "TileGrid.hpp"
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using namespace pdal;
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namespace untwine
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{
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namespace epf
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{
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void TileGrid::expand(const BOX3D& bounds, size_t points)
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{
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m_bounds.grow(bounds);
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double xside = m_bounds.maxx - m_bounds.minx;
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double yside = m_bounds.maxy - m_bounds.miny;
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m_millionPoints += size_t(points / 1000000.0);
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m_gridSizeX = std::ceil(xside / m_tileLength);
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m_gridSizeY = std::ceil(yside / m_tileLength);
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}
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TileKey TileGrid::key(double x, double y, double z) const
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{
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int xi = (int)std::floor((x - m_bounds.minx) / m_tileLength);
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int yi = (int)std::floor((y - m_bounds.miny) / m_tileLength);
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xi = (std::min)((std::max)(0, xi), m_gridSizeX - 1);
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yi = (std::min)((std::max)(0, yi), m_gridSizeY - 1);
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return TileKey(xi, yi, 0);
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}
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} // namespace epf
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} // namespace untwine
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