bool OptimizeAreaWayIdsGenerator::CopyWays(const ImportParameter& parameter,
Progress& progress,
const TypeConfig& typeConfig,
NodeUseMap& nodeUseMap)
{
FileScanner scanner;
FileWriter writer;
uint32_t dataCount=0;
progress.SetAction("Copy data from 'wayway.tmp' to 'ways.tmp'");
if (!scanner.Open(AppendFileToDir(parameter.GetDestinationDirectory(),
"wayway.tmp"),
FileScanner::Sequential,
parameter.GetWayDataMemoryMaped())) {
progress.Error(std::string("Cannot open '")+scanner.GetFilename()+"'");
return false;
}
if (!scanner.Read(dataCount)) {
progress.Error("Error while reading number of data entries in file");
return false;
}
if (!writer.Open(AppendFileToDir(parameter.GetDestinationDirectory(),
"ways.tmp"))) {
progress.Error(std::string("Cannot create '")+writer.GetFilename()+"'");
return false;
}
writer.Write(dataCount);
for (uint32_t current=1; current<=dataCount; current++) {
uint8_t type;
Id id;
Way data;
progress.SetProgress(current,dataCount);
if (!scanner.Read(type) ||
!scanner.Read(id) ||
!data.Read(typeConfig,
scanner)) {
progress.Error(std::string("Error while reading data entry ")+
NumberToString(current)+" of "+
NumberToString(dataCount)+
" in file '"+
scanner.GetFilename()+"'");
return false;
}
for (auto& id : data.ids) {
if (!nodeUseMap.IsNodeUsedAtLeastTwice(id)) {
id=0;
}
}
if (!writer.Write(type) ||
!writer.Write(id) ||
!data.Write(typeConfig,
writer)) {
progress.Error(std::string("Error while writing data entry to file '")+
writer.GetFilename()+"'");
return false;
}
}
if (!scanner.Close()) {
progress.Error(std::string("Error while closing file '")+
scanner.GetFilename()+"'");
return false;
}
if (!writer.Close()) {
progress.Error(std::string("Error while closing file '")+
writer.GetFilename()+"'");
return false;
}
return true;
}
bool AreaAreaIndexGenerator::Import(const TypeConfigRef& typeConfig,
const ImportParameter& parameter,
Progress& progress)
{
FileScanner scanner;
size_t areas=0; // Number of areas found
size_t areasConsumed=0; // Number of areas consumed
std::vector<double> cellWidth;
std::vector<double> cellHeight;
std::map<Pixel,AreaLeaf> leafs;
std::map<Pixel,AreaLeaf> newAreaLeafs;
cellWidth.resize(parameter.GetAreaAreaIndexMaxMag()+1);
cellHeight.resize(parameter.GetAreaAreaIndexMaxMag()+1);
for (size_t i=0; i<cellWidth.size(); i++) {
cellWidth[i]=360.0/pow(2.0,(int)i);
}
for (size_t i=0; i<cellHeight.size(); i++) {
cellHeight[i]=180.0/pow(2.0,(int)i);
}
//
// Writing index file
//
progress.SetAction("Generating 'areaarea.idx'");
FileWriter writer;
FileOffset topLevelOffset=0;
FileOffset topLevelOffsetOffset; // Offset of the toplevel entry
if (!writer.Open(AppendFileToDir(parameter.GetDestinationDirectory(),
"areaarea.idx"))) {
progress.Error("Cannot create 'areaarea.idx'");
return false;
}
if (!scanner.Open(AppendFileToDir(parameter.GetDestinationDirectory(),
"areas.dat"),
FileScanner::Sequential,
parameter.GetWayDataMemoryMaped())) {
progress.Error("Cannot open 'areas.dat'");
return false;
}
writer.WriteNumber((uint32_t)parameter.GetAreaAreaIndexMaxMag()); // MaxMag
if (!writer.GetPos(topLevelOffsetOffset)) {
progress.Error("Cannot read current file position");
return false;
}
if (!writer.WriteFileOffset(topLevelOffset)) {
progress.Error("Cannot write top level entry offset");
return false;
}
int l=parameter.GetAreaAreaIndexMaxMag();
while (l>=0) {
size_t areaLevelEntries=0;
progress.Info(std::string("Storing level ")+NumberToString(l)+"...");
newAreaLeafs.clear();
SetOffsetOfChildren(leafs,newAreaLeafs);
leafs=newAreaLeafs;
// Areas
if (areas==0 ||
(areas>0 && areas>areasConsumed)) {
uint32_t areaCount=0;
progress.Info(std::string("Scanning areas.dat for areas of index level ")+NumberToString(l)+"...");
if (!scanner.GotoBegin()) {
progress.Error("Cannot go to begin of way file");
}
if (!scanner.Read(areaCount)) {
progress.Error("Error while reading number of data entries in file");
return false;
}
areas=0;
for (uint32_t a=1; a<=areaCount; a++) {
progress.SetProgress(a,areaCount);
FileOffset offset;
Area area;
scanner.GetPos(offset);
if (!area.Read(typeConfig,
scanner)) {
progress.Error(std::string("Error while reading data entry ")+
NumberToString(a)+" of "+
NumberToString(areaCount)+
" in file '"+
scanner.GetFilename()+"'");
return false;
}
areas++;
double minLon;
double maxLon;
double minLat;
double maxLat;
area.GetBoundingBox(minLon,maxLon,minLat,maxLat);
//
// Calculate highest level where the bounding box completely
// fits in the cell size and assign area to the tiles that
// hold the geometric center of the tile.
//
int level=parameter.GetAreaAreaIndexMaxMag();
while (level>=0) {
if (maxLon-minLon<=cellWidth[level] &&
maxLat-minLat<=cellHeight[level]) {
break;
}
level--;
}
if (level==l) {
//
// Renormated coordinate space (everything is >=0)
//
minLon+=180;
maxLon+=180;
minLat+=90;
maxLat+=90;
//
// Calculate minimum and maximum tile ids that are covered
// by the area
//
uint32_t minyc=(uint32_t)floor(minLat/cellHeight[level]);
uint32_t maxyc=(uint32_t)ceil(maxLat/cellHeight[level]);
uint32_t minxc=(uint32_t)floor(minLon/cellWidth[level]);
uint32_t maxxc=(uint32_t)ceil(maxLon/cellWidth[level]);
Entry entry;
entry.type=area.GetType()->GetId();
entry.offset=offset;
// Add this area to the tile where the center of the area lies in.
leafs[Pixel((minxc+maxxc)/2,(minyc+maxyc)/2)].areas.push_back(entry);
areaLevelEntries++;
areasConsumed++;
}
}
}
progress.Debug(std::string("Writing ")+NumberToString(leafs.size())+" leafs ("+
NumberToString(areaLevelEntries)+") "+
"to index of level "+NumberToString(l)+"...");
// Remember the offset of one cell in level '0'
if (l==0) {
if (!writer.GetPos(topLevelOffset)) {
progress.Error("Cannot read top level entry offset");
return false;
}
}
/*
uint32_t minX=std::numeric_limits<uint32_t>::max();
uint32_t minY=std::numeric_limits<uint32_t>::max();
uint32_t maxX=std::numeric_limits<uint32_t>::min();
uint32_t maxY=std::numeric_limits<uint32_t>::min();
std::map<TypeId,size_t> useMap;
for (std::map<Pixel,AreaLeaf>::const_iterator leaf=leafs.begin();
leaf!=leafs.end();
++leaf) {
minX=std::min(minX,leaf->first.x);
maxX=std::max(maxX,leaf->first.x);
minY=std::min(minY,leaf->first.y);
maxY=std::max(maxY,leaf->first.y);
for (std::list<Entry>::const_iterator entry=leaf->second.areas.begin();
entry!=leaf->second.areas.end();
entry++) {
std::map<TypeId,size_t>::iterator u=useMap.find(entry->type);
if (u==useMap.end()) {
useMap[entry->type]=1;
}
else {
u->second++;
}
}
}*/
/*
std::cout << "[" << minX << "-" << maxX << "]x[" << minY << "-" << maxY << "] => " << leafs.size() << "/" << (maxX-minX+1)*(maxY-minY+1) << " " << (int)BytesNeededToAddressFileData(leafs.size()) << " " << ByteSizeToString(BytesNeededToAddressFileData(leafs.size())*(maxX-minX+1)*(maxY-minY+1)) << std::endl;
for (std::map<TypeId,size_t>::const_iterator u=useMap.begin();
u!=useMap.end();
++u) {
std::cout << "* " << u->first << " " << typeConfig.GetTypeInfo(u->first).GetName() << " " << u->second << std::endl;
}*/
if (!WriteIndexLevel(parameter,
writer,
(int)l,
leafs)) {
return false;
}
l--;
}
writer.SetPos(topLevelOffsetOffset);
writer.WriteFileOffset(topLevelOffset);
return !writer.HasError() && writer.Close();
}
bool OptimizeAreaWayIdsGenerator::ScanWayIds(const ImportParameter& parameter,
Progress& progress,
const TypeConfig& typeConfig,
NodeUseMap& nodeUseMap)
{
FileScanner scanner;
uint32_t dataCount=0;
progress.SetAction("Scanning ids from 'wayway.tmp'");
if (!scanner.Open(AppendFileToDir(parameter.GetDestinationDirectory(),
"wayway.tmp"),
FileScanner::Sequential,
parameter.GetWayDataMemoryMaped())) {
progress.Error(std::string("Cannot open '")+scanner.GetFilename()+"'");
return false;
}
if (!scanner.Read(dataCount)) {
progress.Error("Error while reading number of data entries in file");
return false;
}
for (uint32_t current=1; current<=dataCount; current++) {
uint8_t type;
Id id;
Way data;
progress.SetProgress(current,dataCount);
if (!scanner.Read(type) ||
!scanner.Read(id) ||
!data.Read(typeConfig,
scanner)) {
progress.Error(std::string("Error while reading data entry ")+
NumberToString(current)+" of "+
NumberToString(dataCount)+
" in file '"+
scanner.GetFilename()+"'");
return false;
}
if (!data.GetType()->CanRoute()) {
continue;
}
std::unordered_set<Id> nodeIds;
for (const auto& id : data.ids) {
if (nodeIds.find(id)==nodeIds.end()) {
nodeUseMap.SetNodeUsed(id);
nodeIds.insert(id);
}
}
// If we have a circular way, we "fake" a double usage,
// to make sure, that the node id of the first node
// is not dropped later on, and we cannot detect
// circular ways anymore
if (data.ids.front()==data.ids.back()) {
nodeUseMap.SetNodeUsed(data.ids.back());
}
}
if (!scanner.Close()) {
progress.Error(std::string("Error while closing file '")+
scanner.GetFilename()+"'");
return false;
}
return true;
}
bool OptimizeAreasLowZoomGenerator::HandleAreas(const ImportParameter& parameter,
Progress& progress,
const TypeConfig& typeConfig,
FileWriter& writer,
const TypeInfoSet& types,
std::list<TypeData>& typesData)
{
FileScanner scanner;
// Everything smaller than 2mm should get dropped. Width, height and DPI come from the Nexus 4
double dpi=320.0;
double pixel=2.0/* mm */ * dpi / 25.4 /* inch */;
progress.Info("Minimum visible size in pixel: "+NumberToString((unsigned long)pixel));
try {
scanner.Open(AppendFileToDir(parameter.GetDestinationDirectory(),
AreaDataFile::AREAS_DAT),
FileScanner::Sequential,
parameter.GetWayDataMemoryMaped());
TypeInfoSet typesToProcess(types);
std::vector<std::list<AreaRef> > allAreas(typeConfig.GetTypeCount());
while (true) {
//
// Load type data
//
TypeInfoSet loadedTypes;
if (!GetAreas(typeConfig,
parameter,
progress,
scanner,
typesToProcess,
allAreas,
loadedTypes)) {
return false;
}
typesToProcess.Remove(loadedTypes);
for (const auto& type : loadedTypes) {
progress.SetAction("Optimizing type "+ type->GetName());
for (uint32_t level=parameter.GetOptimizationMinMag();
level<=parameter.GetOptimizationMaxMag();
level++) {
Magnification magnification; // Magnification, we optimize for
std::list<AreaRef> optimizedAreas;
magnification.SetLevel(level);
OptimizeAreas(allAreas[type->GetIndex()],
optimizedAreas,
1280,768,
dpi,
pixel,
magnification,
parameter.GetOptimizationWayMethod());
if (optimizedAreas.empty()) {
progress.Debug("Empty optimization result for level "+NumberToString(level)+", no index generated");
TypeData typeData;
typeData.type=type;
typeData.optLevel=level;
typesData.push_back(typeData);
continue;
}
progress.Info("Optimized from "+NumberToString(allAreas[type->GetIndex()].size())+" to "+NumberToString(optimizedAreas.size())+" areas");
/*
size_t optAreas=optimizedAreas.size();
size_t optRoles=0;
size_t optNodes=0;
for (std::list<AreaRef>::const_iterator a=optimizedAreas.begin();
a!=optimizedAreas.end();
++a) {
AreaRef area=*a;
optRoles+=area->rings.size();
for (size_t r=0; r<area->rings.size(); r++) {
optNodes+=area->rings[r].nodes.size();
}
}*/
/*
std::cout << "Areas: " << origAreas << " => " << optAreas << std::endl;
std::cout << "Roles: " << origRoles << " => " << optRoles << std::endl;
std::cout << "Nodes: " << origNodes << " => " << optNodes << std::endl;*/
TypeData typeData;
typeData.type=type;
typeData.optLevel=level;
GetAreaIndexLevel(parameter,
optimizedAreas,
typeData);
//std::cout << "Resulting index level: " << typeData.indexLevel << ", " << typeData.indexCells << ", " << typeData.indexEntries << std::endl;
FileOffsetFileOffsetMap offsets;
WriteAreas(typeConfig,
writer,
optimizedAreas,
offsets);
if (!WriteAreaBitmap(progress,
writer,
optimizedAreas,
offsets,
typeData)) {
return false;
}
typesData.push_back(typeData);
}
allAreas[type->GetIndex()].clear();
}
if (typesToProcess.Empty()) {
break;
}
}
scanner.Close();
}
catch (IOException& e) {
progress.Error(e.GetDescription());
return false;
}
return true;
}
bool AreaWayIndexGenerator::Import(const ImportParameter& parameter,
Progress& progress,
const TypeConfig& typeConfig)
{
FileScanner wayScanner;
FileWriter writer;
std::set<TypeId> remainingWayTypes;
std::vector<TypeData> wayTypeData;
size_t level;
size_t maxLevel=0;
wayTypeData.resize(typeConfig.GetTypes().size());
if (!wayScanner.Open(AppendFileToDir(parameter.GetDestinationDirectory(),
"ways.dat"),
FileScanner::Sequential,
parameter.GetWayDataMemoryMaped())) {
progress.Error("Cannot open 'ways.dat'");
return false;
}
//
// Scanning distribution
//
progress.SetAction("Scanning level distribution of way types");
for (size_t i=0; i<typeConfig.GetTypes().size(); i++) {
if (typeConfig.GetTypeInfo(i).CanBeWay() &&
!typeConfig.GetTypeInfo(i).GetIgnore()) {
remainingWayTypes.insert(i);
}
}
level=parameter.GetAreaWayMinMag();
while (!remainingWayTypes.empty()) {
uint32_t wayCount=0;
std::set<TypeId> currentWayTypes(remainingWayTypes);
double cellWidth=360.0/pow(2.0,(int)level);
double cellHeight=180.0/pow(2.0,(int)level);
std::vector<CoordCountMap> cellFillCount(typeConfig.GetTypes().size());
progress.Info("Scanning Level "+NumberToString(level)+" ("+NumberToString(remainingWayTypes.size())+" types remaining)");
wayScanner.GotoBegin();
if (!wayScanner.Read(wayCount)) {
progress.Error("Error while reading number of data entries in file");
return false;
}
Way way;
for (uint32_t w=1; w<=wayCount; w++) {
progress.SetProgress(w,wayCount);
if (!way.Read(wayScanner)) {
progress.Error(std::string("Error while reading data entry ")+
NumberToString(w)+" of "+
NumberToString(wayCount)+
" in file '"+
wayScanner.GetFilename()+"'");
return false;
}
// Count number of entries per current type and coordinate
if (currentWayTypes.find(way.GetType())==currentWayTypes.end()) {
continue;
}
double minLon;
double maxLon;
double minLat;
double maxLat;
way.GetBoundingBox(minLon,maxLon,minLat,maxLat);
//
// Calculate minimum and maximum tile ids that are covered
// by the way
// Renormated coordinate space (everything is >=0)
//
uint32_t minxc=(uint32_t)floor((minLon+180.0)/cellWidth);
uint32_t maxxc=(uint32_t)floor((maxLon+180.0)/cellWidth);
uint32_t minyc=(uint32_t)floor((minLat+90.0)/cellHeight);
uint32_t maxyc=(uint32_t)floor((maxLat+90.0)/cellHeight);
for (uint32_t y=minyc; y<=maxyc; y++) {
for (uint32_t x=minxc; x<=maxxc; x++) {
cellFillCount[way.GetType()][Pixel(x,y)]++;
}
}
}
// Check if cell fill for current type is in defined limits
for (size_t i=0; i<typeConfig.GetTypes().size(); i++) {
if (currentWayTypes.find(i)!=currentWayTypes.end()) {
CalculateStatistics(level,wayTypeData[i],cellFillCount[i]);
if (!FitsIndexCriteria(parameter,
progress,
typeConfig.GetTypeInfo(i),
wayTypeData[i],
cellFillCount[i])) {
currentWayTypes.erase(i);
}
}
}
for (std::set<TypeId>::const_iterator cwt=currentWayTypes.begin();
cwt!=currentWayTypes.end();
cwt++) {
maxLevel=std::max(maxLevel,level);
progress.Info("Type "+typeConfig.GetTypeInfo(*cwt).GetName()+"(" + NumberToString(*cwt)+"), "+NumberToString(wayTypeData[*cwt].indexCells)+" cells, "+NumberToString(wayTypeData[*cwt].indexEntries)+" objects");
remainingWayTypes.erase(*cwt);
}
level++;
}
//
// Writing index file
//
progress.SetAction("Generating 'areaway.idx'");
if (!writer.Open(AppendFileToDir(parameter.GetDestinationDirectory(),
"areaway.idx"))) {
progress.Error("Cannot create 'areaway.idx'");
return false;
}
uint32_t indexEntries=0;
for (size_t i=0; i<typeConfig.GetTypes().size(); i++)
{
if (typeConfig.GetTypeInfo(i).CanBeWay() &&
wayTypeData[i].HasEntries()) {
indexEntries++;
}
}
writer.Write(indexEntries);
for (size_t i=0; i<typeConfig.GetTypes().size(); i++)
{
if (typeConfig.GetTypeInfo(i).CanBeWay() &&
wayTypeData[i].HasEntries()) {
uint8_t dataOffsetBytes=0;
FileOffset bitmapOffset=0;
writer.WriteNumber(typeConfig.GetTypeInfo(i).GetId());
writer.GetPos(wayTypeData[i].indexOffset);
writer.WriteFileOffset(bitmapOffset);
if (wayTypeData[i].HasEntries()) {
writer.Write(dataOffsetBytes);
writer.WriteNumber(wayTypeData[i].indexLevel);
writer.WriteNumber(wayTypeData[i].cellXStart);
writer.WriteNumber(wayTypeData[i].cellXEnd);
writer.WriteNumber(wayTypeData[i].cellYStart);
writer.WriteNumber(wayTypeData[i].cellYEnd);
}
}
}
for (size_t l=parameter.GetAreaWayMinMag(); l<=maxLevel; l++) {
std::set<TypeId> indexTypes;
uint32_t wayCount;
double cellWidth=360.0/pow(2.0,(int)l);
double cellHeight=180.0/pow(2.0,(int)l);
for (size_t i=0; i<typeConfig.GetTypes().size(); i++) {
if (typeConfig.GetTypeInfo(i).CanBeWay() &&
wayTypeData[i].HasEntries() &&
wayTypeData[i].indexLevel==l) {
indexTypes.insert(i);
}
}
if (indexTypes.empty()) {
continue;
}
progress.Info("Scanning ways for index level "+NumberToString(l));
std::vector<CoordOffsetsMap> typeCellOffsets(typeConfig.GetTypes().size());
wayScanner.GotoBegin();
if (!wayScanner.Read(wayCount)) {
progress.Error("Error while reading number of data entries in file");
return false;
}
Way way;
for (uint32_t w=1; w<=wayCount; w++) {
progress.SetProgress(w,wayCount);
FileOffset offset;
wayScanner.GetPos(offset);
if (!way.Read(wayScanner)) {
progress.Error(std::string("Error while reading data entry ")+
NumberToString(w)+" of "+
NumberToString(wayCount)+
" in file '"+
wayScanner.GetFilename()+"'");
return false;
}
if (indexTypes.find(way.GetType())==indexTypes.end()) {
continue;
}
double minLon;
double maxLon;
double minLat;
double maxLat;
way.GetBoundingBox(minLon,maxLon,minLat,maxLat);
//
// Calculate minimum and maximum tile ids that are covered
// by the way
// Renormated coordinate space (everything is >=0)
//
uint32_t minxc=(uint32_t)floor((minLon+180.0)/cellWidth);
uint32_t maxxc=(uint32_t)floor((maxLon+180.0)/cellWidth);
uint32_t minyc=(uint32_t)floor((minLat+90.0)/cellHeight);
uint32_t maxyc=(uint32_t)floor((maxLat+90.0)/cellHeight);
for (uint32_t y=minyc; y<=maxyc; y++) {
for (uint32_t x=minxc; x<=maxxc; x++) {
typeCellOffsets[way.GetType()][Pixel(x,y)].push_back(offset);
}
}
}
for (std::set<TypeId>::const_iterator type=indexTypes.begin();
type!=indexTypes.end();
++type) {
if (!WriteBitmap(progress,
writer,
typeConfig.GetTypeInfo(*type),
wayTypeData[*type],
typeCellOffsets[*type])) {
return false;
}
}
}
return !writer.HasError() && writer.Close();
}
bool AreaWayIndexGenerator::Import(const TypeConfigRef& typeConfig,
const ImportParameter& parameter,
Progress& progress)
{
FileScanner wayScanner;
FileWriter writer;
std::vector<TypeData> wayTypeData;
size_t maxLevel;
progress.Info("Minimum magnification: "+NumberToString(parameter.GetAreaWayMinMag()));
//
// Scanning distribution
//
progress.SetAction("Scanning level distribution of way types");
if (!CalculateDistribution(typeConfig,
parameter,
progress,
wayTypeData,
maxLevel)) {
return false;
}
// Calculate number of types which have data
uint32_t indexEntries=0;
for (const auto& type : typeConfig->GetWayTypes())
{
if (wayTypeData[type->GetIndex()].HasEntries()) {
indexEntries++;
}
}
//
// Writing index file
//
progress.SetAction("Generating 'areaway.idx'");
if (!writer.Open(AppendFileToDir(parameter.GetDestinationDirectory(),
"areaway.idx"))) {
progress.Error("Cannot create 'areaway.idx'");
return false;
}
writer.Write(indexEntries);
for (const auto &type : typeConfig->GetWayTypes()) {
size_t i=type->GetIndex();
if (wayTypeData[i].HasEntries()) {
uint8_t dataOffsetBytes=0;
FileOffset bitmapOffset=0;
writer.WriteTypeId(type->GetWayId(),
typeConfig->GetWayTypeIdBytes());
writer.GetPos(wayTypeData[i].indexOffset);
writer.WriteFileOffset(bitmapOffset);
writer.Write(dataOffsetBytes);
writer.WriteNumber(wayTypeData[i].indexLevel);
writer.WriteNumber(wayTypeData[i].cellXStart);
writer.WriteNumber(wayTypeData[i].cellXEnd);
writer.WriteNumber(wayTypeData[i].cellYStart);
writer.WriteNumber(wayTypeData[i].cellYEnd);
}
}
if (!wayScanner.Open(AppendFileToDir(parameter.GetDestinationDirectory(),
"ways.dat"),
FileScanner::Sequential,
parameter.GetWayDataMemoryMaped())) {
progress.Error("Cannot open 'ways.dat'");
return false;
}
for (size_t l=parameter.GetAreaWayMinMag(); l<=maxLevel; l++) {
TypeInfoSet indexTypes(*typeConfig);
uint32_t wayCount;
double cellWidth=360.0/pow(2.0,(int)l);
double cellHeight=180.0/pow(2.0,(int)l);
wayScanner.GotoBegin();
for (const auto &type : typeConfig->GetWayTypes()) {
if (wayTypeData[type->GetIndex()].HasEntries() &&
wayTypeData[type->GetIndex()].indexLevel==l) {
indexTypes.Set(type);
}
}
if (indexTypes.Empty()) {
continue;
}
progress.Info("Scanning ways for index level "+NumberToString(l));
std::vector<CoordOffsetsMap> typeCellOffsets(typeConfig->GetTypeCount());
if (!wayScanner.Read(wayCount)) {
progress.Error("Error while reading number of data entries in file");
return false;
}
Way way;
for (uint32_t w=1; w<=wayCount; w++) {
progress.SetProgress(w,wayCount);
FileOffset offset;
wayScanner.GetPos(offset);
if (!way.Read(*typeConfig,
wayScanner)) {
progress.Error(std::string("Error while reading data entry ")+
NumberToString(w)+" of "+
NumberToString(wayCount)+
" in file '"+
wayScanner.GetFilename()+"'");
return false;
}
if (!indexTypes.IsSet(way.GetType())) {
continue;
}
GeoBox boundingBox;
way.GetBoundingBox(boundingBox);
//
// Calculate minimum and maximum tile ids that are covered
// by the way
// Renormalized coordinate space (everything is >=0)
//
uint32_t minxc=(uint32_t)floor((boundingBox.GetMinLon()+180.0)/cellWidth);
uint32_t maxxc=(uint32_t)floor((boundingBox.GetMaxLon()+180.0)/cellWidth);
uint32_t minyc=(uint32_t)floor((boundingBox.GetMinLat()+90.0)/cellHeight);
uint32_t maxyc=(uint32_t)floor((boundingBox.GetMaxLat()+90.0)/cellHeight);
for (uint32_t y=minyc; y<=maxyc; y++) {
for (uint32_t x=minxc; x<=maxxc; x++) {
typeCellOffsets[way.GetType()->GetIndex()][Pixel(x,y)].push_back(offset);
}
}
}
for (const auto &type : indexTypes) {
size_t index=type->GetIndex();
if (!WriteBitmap(progress,
writer,
*typeConfig->GetTypeInfo(index),
wayTypeData[index],
typeCellOffsets[index])) {
return false;
}
}
}
return !writer.HasError() && writer.Close();
}
bool AreaWayIndexGenerator::CalculateDistribution(const TypeConfigRef& typeConfig,
const ImportParameter& parameter,
Progress& progress,
std::vector<TypeData>& wayTypeData,
size_t& maxLevel) const
{
FileScanner wayScanner;
TypeInfoSet remainingWayTypes;
size_t level;
maxLevel=0;
wayTypeData.resize(typeConfig->GetTypeCount());
if (!wayScanner.Open(AppendFileToDir(parameter.GetDestinationDirectory(),
"ways.dat"),
FileScanner::Sequential,
parameter.GetWayDataMemoryMaped())) {
progress.Error("Cannot open 'ways.dat'");
return false;
}
remainingWayTypes.Set(typeConfig->GetWayTypes());
level=parameter.GetAreaWayMinMag();
while (!remainingWayTypes.Empty()) {
uint32_t wayCount=0;
TypeInfoSet currentWayTypes(remainingWayTypes);
double cellWidth=360.0/pow(2.0,(int)level);
double cellHeight=180.0/pow(2.0,(int)level);
std::vector<CoordCountMap> cellFillCount(typeConfig->GetTypeCount());
progress.Info("Scanning Level "+NumberToString(level)+" ("+NumberToString(remainingWayTypes.Size())+" types remaining)");
wayScanner.GotoBegin();
if (!wayScanner.Read(wayCount)) {
progress.Error("Error while reading number of data entries in file");
return false;
}
Way way;
for (uint32_t w=1; w<=wayCount; w++) {
progress.SetProgress(w,wayCount);
if (!way.Read(*typeConfig,
wayScanner)) {
progress.Error(std::string("Error while reading data entry ")+
NumberToString(w)+" of "+
NumberToString(wayCount)+
" in file '"+
wayScanner.GetFilename()+"'");
return false;
}
// Count number of entries per current type and coordinate
if (!currentWayTypes.IsSet(way.GetType())) {
continue;
}
GeoBox boundingBox;
way.GetBoundingBox(boundingBox);
//
// Calculate minimum and maximum tile ids that are covered
// by the way
// Renormalized coordinate space (everything is >=0)
//
uint32_t minxc=(uint32_t)floor((boundingBox.GetMinLon()+180.0)/cellWidth);
uint32_t maxxc=(uint32_t)floor((boundingBox.GetMaxLon()+180.0)/cellWidth);
uint32_t minyc=(uint32_t)floor((boundingBox.GetMinLat()+90.0)/cellHeight);
uint32_t maxyc=(uint32_t)floor((boundingBox.GetMaxLat()+90.0)/cellHeight);
for (uint32_t y=minyc; y<=maxyc; y++) {
for (uint32_t x=minxc; x<=maxxc; x++) {
cellFillCount[way.GetType()->GetIndex()][Pixel(x,y)]++;
}
}
}
// Check if cell fill for current type is in defined limits
for (auto &type : currentWayTypes) {
size_t i=type->GetIndex();
CalculateStatistics(level,
wayTypeData[i],
cellFillCount[i]);
if (!FitsIndexCriteria(parameter,
progress,
*typeConfig->GetTypeInfo(i),
wayTypeData[i],
cellFillCount[i])) {
currentWayTypes.Remove(type);
}
}
for (const auto &type : currentWayTypes) {
maxLevel=std::max(maxLevel,level);
progress.Info("Type "+type->GetName()+", "+NumberToString(wayTypeData[type->GetIndex()].indexCells)+" cells, "+NumberToString(wayTypeData[type->GetIndex()].indexEntries)+" objects");
remainingWayTypes.Remove(type);
}
level++;
}
return !wayScanner.HasError() && wayScanner.Close();
}