public static async Task ProcessRawData(StandardChunkMetadata template, TraceListener log)
{
bool doMore = false;
if (template.ZoomLevel <= Heights.Current.SourceDataZoom)
{
var ok = await Heights.Current.ExistsComputedChunk(template, log);
log?.Write(ok ? "." : ("Heights:" + Heights.Current.GetShortFilename(template) + ":" + "missing"));
doMore = true;
}
if (template.ZoomLevel <= Images.Current.SourceDataZoom)
{
var ok = await Images.Current.ExistsComputedChunk(template, log);
log?.Write(ok ? "." : ("Images:" + Images.Current.GetShortFilename(template) + ":" + "missing"));
doMore = true;
}
if (!doMore)
{
return;
}
foreach (var c in template.GetChildChunks())
{
await ProcessRawData(c, log);
}
}
public async Task <ChunkHolder <T> > ProcessRawData(StandardChunkMetadata template, TraceListener log)
{
var computedChunk = await GetComputedChunk(template, log);
string fileName = computedChunk.Item1;
ChunkHolder <T> ret = computedChunk.Item2;
if (computedChunk.Item2 != null)
{
log?.WriteLine("Cached " + description + " chunk file exists: " + fileName);
return(computedChunk.Item2);
}
log?.WriteLine("Cached " + description + " chunk file does not exist: " + fileName);
if (template.ZoomLevel > this.SourceDataZoom)
{
// Nothing to do for processing
return(null);
}
else if (template.ZoomLevel == this.SourceDataZoom)
{
log?.WriteLine("Starting generation...");
ret = await GenerateData(template, log);
await WriteChunk(ret, fileName, log);
log?.WriteLine("Finished generation of " + description + " cached chunk file: " + fileName);
return(ret);
}
log?.WriteLine("Need to aggregate up from higher zoom data");
var children = template.GetChildChunks();
List <ChunkHolder <T> > chunks = new List <ChunkHolder <T> >();
foreach (var child in children)
{
log?.WriteLine(child);
chunks.Add(await ProcessRawData(child, log));
}
ret = new ChunkHolder <T>(
template.LatSteps, template.LonSteps,
template.LatLo, template.LonLo,
template.LatHi, template.LonHi,
null,
toDouble,
fromDouble);
ret.RenderChunksInto(chunks, aggregate, log);
await WriteChunk(ret, fileName, log);
log?.WriteLine("Finished generation of " + description + " cached chunk file: " + fileName);
return(ret);
}