void Crop::crop(PointBuffer& input, PointBuffer& output) { bool logOutput = (log()->getLevel() > LogLevel::Debug4); if (logOutput) log()->floatPrecision(8); for (PointId idx = 0; idx < input.size(); ++idx) { double x = input.getFieldAs<double>(Dimension::Id::X, idx); double y = input.getFieldAs<double>(Dimension::Id::Y, idx); double z = input.getFieldAs<double>(Dimension::Id::Z, idx); if (logOutput) { log()->floatPrecision(10); log()->get(LogLevel::Debug5) << "input: " << x << " y: " << y << " z: " << z << std::endl; } if (m_poly.empty()) { // We don't have a polygon, just a bounds. Filter on that // by itself. if (!m_cropOutside && m_bounds.contains(x, y, z)) output.appendPoint(input, idx); } #ifdef PDAL_HAVE_GEOS else { int ret(0); // precise filtering based on the geometry GEOSCoordSequence* coords = GEOSCoordSeq_create_r(m_geosEnvironment, 1, 3); if (!coords) throw pdal_error("unable to allocate coordinate sequence"); ret = GEOSCoordSeq_setX_r(m_geosEnvironment, coords, 0, x); if (!ret) throw pdal_error("unable to set x for coordinate sequence"); ret = GEOSCoordSeq_setY_r(m_geosEnvironment, coords, 0, y); if (!ret) throw pdal_error("unable to set y for coordinate sequence"); ret = GEOSCoordSeq_setZ_r(m_geosEnvironment, coords, 0, z); if (!ret) throw pdal_error("unable to set z for coordinate sequence"); GEOSGeometry* p = GEOSGeom_createPoint_r(m_geosEnvironment, coords); if (!p) throw pdal_error("unable to allocate candidate test point"); if (static_cast<bool>(GEOSPreparedContains_r(m_geosEnvironment, m_geosPreparedGeometry, p)) != m_cropOutside) output.appendPoint(input, idx); GEOSGeom_destroy_r(m_geosEnvironment, p); } #endif } }