void AreaWayIndexGenerator::CalculateStatistics(size_t level,
TypeData& typeData,
const CoordCountMap& cellFillCount)
{
typeData.indexLevel=(uint32_t)level;
typeData.indexCells=cellFillCount.size();
typeData.indexEntries=0;
// If we do not have any entries, we store it now
if (cellFillCount.empty()) {
return;
}
typeData.cellXStart=cellFillCount.begin()->first.x;
typeData.cellYStart=cellFillCount.begin()->first.y;
typeData.cellXEnd=typeData.cellXStart;
typeData.cellYEnd=typeData.cellYStart;
for (CoordCountMap::const_iterator cell=cellFillCount.begin();
cell!=cellFillCount.end();
++cell) {
typeData.indexEntries+=cell->second;
typeData.cellXStart=std::min(typeData.cellXStart,cell->first.x);
typeData.cellXEnd=std::max(typeData.cellXEnd,cell->first.x);
typeData.cellYStart=std::min(typeData.cellYStart,cell->first.y);
typeData.cellYEnd=std::max(typeData.cellYEnd,cell->first.y);
}
typeData.cellXCount=typeData.cellXEnd-typeData.cellXStart+1;
typeData.cellYCount=typeData.cellYEnd-typeData.cellYStart+1;
}
/**
* Calculate internal statistics that are the base for deciding if the given way type is
* indexed at the given index level.
* @param level
* @param typeData
* @param cellFillCount
*/
void AreaWayIndexGenerator::CalculateStatistics(size_t level,
TypeData& typeData,
const CoordCountMap& cellFillCount) const
{
// Initialize/reset data structure
typeData.indexLevel=(uint32_t)level;
typeData.indexCells=cellFillCount.size();
typeData.indexEntries=0;
// If we do not have any entries, we are done ;-)
if (cellFillCount.empty()) {
return;
}
typeData.cellXStart=cellFillCount.begin()->first.x;
typeData.cellYStart=cellFillCount.begin()->first.y;
typeData.cellXEnd=typeData.cellXStart;
typeData.cellYEnd=typeData.cellYStart;
for (const auto& cell : cellFillCount) {
typeData.indexEntries+=cell.second;
typeData.cellXStart=std::min(typeData.cellXStart,cell.first.x);
typeData.cellXEnd=std::max(typeData.cellXEnd,cell.first.x);
typeData.cellYStart=std::min(typeData.cellYStart,cell.first.y);
typeData.cellYEnd=std::max(typeData.cellYEnd,cell.first.y);
}
typeData.cellXCount=typeData.cellXEnd-typeData.cellXStart+1;
typeData.cellYCount=typeData.cellYEnd-typeData.cellYStart+1;
}
