/// <summary>
/// adjusts qtrees parameters per global scaling configuration
/// </summary>
/// <param name="qtreeWrapper"></param>
private LASFile adjustParameters(LASFile lasfile)
{
double b = lasfile.header.MaxX - lasfile.header.MinX;
lasfile.header.MinX *= LasDataManager.GlobalPointsScaleFactor.x;
lasfile.header.MaxX *= LasDataManager.GlobalPointsScaleFactor.x;
b = lasfile.header.MaxX - lasfile.header.MinX;
b = lasfile.header.MaxY - lasfile.header.MinY;
lasfile.header.MinY *= LasDataManager.GlobalPointsScaleFactor.y;
lasfile.header.MaxY *= LasDataManager.GlobalPointsScaleFactor.y;
b = lasfile.header.MaxY - lasfile.header.MinY;
b = lasfile.header.MaxZ - lasfile.header.MinZ;
lasfile.header.MinZ *= LasDataManager.GlobalPointsScaleFactor.z;
lasfile.header.MaxZ *= LasDataManager.GlobalPointsScaleFactor.z;
b = lasfile.header.MaxZ - lasfile.header.MinZ;
return(lasfile);
}
public static void Stage(FileInfo file, LASFile las)
{
var dir = Path.Combine(
Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),
"las-index");
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
var index = new Indexer
{
FullName = file.FullName,
LastWriteTimeUtc = file.LastWriteTimeUtc,
las = las
};
File.WriteAllText(
$"{Path.Combine(dir, $"{Guid.NewGuid()}.index.json")}",
JsonConvert.SerializeObject(index));
}
public PointCloudTileSource TilePointFileIndex(LASFile tiledFile, BufferInstance segmentBuffer, ProgressManager progressManager)
{
var stopwatch = new Stopwatch();
stopwatch.Start();
var analysis = AnalyzePointFile(segmentBuffer.Length, progressManager);
var quantizedExtent = m_source.QuantizedExtent;
var tileCounts = analysis.Density.GetTileCountsForInitialization();
var fileSize = tiledFile.PointDataOffset + (m_source.PointSizeBytes * m_source.Count);
AttemptFastAllocate(tiledFile.FilePath, fileSize);
var lowResPointCountMax = PROPERTY_MAX_LOWRES_POINTS.Value;
var lowResBuffer = BufferManager.AcquireBuffer(m_id, lowResPointCountMax * m_source.PointSizeBytes);
var lowResWrapper = new PointBufferWrapper(lowResBuffer, m_source.PointSizeBytes, lowResPointCountMax);
var validTiles = analysis.GridIndex.Sum(r => r.GridRange.ValidCells);
var lowResPointsPerTile = lowResPointCountMax / validTiles;
var lowResTileSize = (ushort)Math.Sqrt(lowResPointsPerTile);
var lowResGrid = Grid <int> .Create(lowResTileSize, lowResTileSize, true, -1);
var lowResCounts = tileCounts.Copy <int>();
using (var outputStream = StreamManager.OpenWriteStream(tiledFile.FilePath, fileSize, tiledFile.PointDataOffset))
{
var i = 0;
foreach (var segment in analysis.GridIndex)
{
progressManager.Log("~ Processing Index Segment {0}/{1}", ++i, analysis.GridIndex.Count);
var sparseSegment = m_source.CreateSparseSegment(segment);
var sparseSegmentWrapper = new PointBufferWrapper(segmentBuffer, sparseSegment);
var tileRegionFilter = new TileRegionFilter(tileCounts, quantizedExtent, segment.GridRange);
// this call will fill the buffer with points, add the counts, and sort
QuantTilePointsIndexed(sparseSegment, sparseSegmentWrapper, tileRegionFilter, tileCounts, lowResWrapper, lowResGrid, lowResCounts, progressManager);
var segmentFilteredPointCount = tileRegionFilter.GetCellOrdering().Sum(t => tileCounts.Data[t.Row, t.Col]);
var segmentFilteredBytes = segmentFilteredPointCount * sparseSegmentWrapper.PointSizeBytes;
// write out the buffer
using (var process = progressManager.StartProcess("WriteIndexSegment"))
{
var segmentBufferIndex = 0;
foreach (var tile in segment.GridRange.GetCellOrdering())
{
var tileCount = tileCounts.Data[tile.Row, tile.Col];
if (tileCount > 0)
{
var tileSize = (tileCount - lowResCounts.Data[tile.Row, tile.Col]) * sparseSegmentWrapper.PointSizeBytes;
outputStream.Write(sparseSegmentWrapper.Data, segmentBufferIndex, tileSize);
segmentBufferIndex += tileSize;
if (!process.Update((float)segmentBufferIndex / segmentFilteredBytes))
{
break;
}
}
}
}
if (progressManager.IsCanceled())
{
break;
}
}
// write low-res
var lowResActualPointCount = lowResCounts.Data.Cast <int>().Sum();
outputStream.Write(lowResWrapper.Data, 0, lowResActualPointCount * lowResWrapper.PointSizeBytes);
}
var actualDensity = new PointCloudTileDensity(tileCounts, m_source.Quantization);
var tileSet = new PointCloudTileSet(m_source, actualDensity, tileCounts, lowResCounts);
var tileSource = new PointCloudTileSource(tiledFile, tileSet, analysis.Statistics);
if (!progressManager.IsCanceled())
{
tileSource.IsDirty = false;
}
tileSource.WriteHeader();
return(tileSource);
}
public PointCloudTileSource Process(ProgressManager progressManager)
{
progressManager.Log("<= {0}", m_inputHandler.FilePath);
PerformanceManager.Start(m_inputHandler.FilePath);
// check for existing tile source
LoadFromCache(progressManager);
if (m_tileSource == null)
{
using (var process = progressManager.StartProcess("ProcessSet"))
{
m_binarySource = m_inputHandler.GenerateBinarySource(progressManager);
m_tiledHandler = LASFile.Create(m_tiledHandler.FilePath, m_binarySource);
using (var segmentBuffer = BufferManager.AcquireBuffer(m_id, (int)PROPERTY_SEGMENT_SIZE.Value, true))
{
var tileManager = new PointCloudTileManager(m_binarySource);
m_tileSource = tileManager.TilePointFileIndex(m_tiledHandler, segmentBuffer, progressManager);
}
#warning this was for xyz, but I have not yet re-implemented that anyway
//if (m_binarySource.FilePath != m_inputHandler.FilePath)
// File.Delete(m_binarySource.FilePath);
if (m_tileSource.IsDirty)
{
m_tileSource.Close();
File.Delete(m_tileSource.FilePath);
m_tileSource = null;
process.LogTime("=> Processing Cancelled");
}
else
{
process.LogTime("=> Processing Completed");
}
}
GC.Collect();
}
TransferRate averageReadSpeed = PerformanceManager.GetReadSpeed();
TransferRate averageWriteSpeed = PerformanceManager.GetWriteSpeed();
Context.WriteLine("IO Read Speed: {0}", averageReadSpeed);
Context.WriteLine("IO Write Speed: {0}", averageWriteSpeed);
//{
// // test
// Stopwatch stopwatch = new Stopwatch();
// stopwatch.Start();
// PointCloudTile tempTile = m_tileSource.TileSet[0, 0];
// Grid<float> grid = new Grid<float>(tempTile.Extent, 540, (float)m_tileSource.Extent.MinZ - 1.0f, true);
// Grid<uint> quantizedGrid = new Grid<uint>(grid.SizeX, grid.SizeY, m_tileSource.Extent, true);
// using (GridTileSource<float> gridSource = new GridTileSource<float>(m_tiledPath + ".grid", grid.SizeX, grid.SizeY, m_tileSource.TileSet.Cols, m_tileSource.TileSet.Rows))
// {
// int tempBufferSize = (int)(m_tileSource.TileSet.Max(t => t.PointCount));
// byte[] tempBuffer = new byte[tempBufferSize * m_tileSource.PointSizeBytes];
// foreach (PointCloudTile tile in m_tileSource)
// {
// m_tileSource.LoadTileGrid(tile, tempBuffer, grid, quantizedGrid);
// gridSource.WriteTile(tile.Col, tile.Row, grid.Data);
// if (!progressManager.Update((float)tile.Index / m_tileSource.TileSet.TileCount))
// break;
// }
// //gridSource.ReadTile(tempTile.Col, tempTile.Row, grid.Data);
// }
// m_tileSource.Close();
// progressManager.Log(stopwatch, "Generated GRID");
//}
return(m_tileSource);
}
internal ModelImportStatus BatchImportLasFiles(string[] filePaths, Guid currentProjectID)
{
ModelImportStatus finalStatus = new ModelImportStatus();
LASBatchImportTools ll = new LASBatchImportTools();
List <string> messages = new List <string>();
int importCount = 0;
int failCount = 0;
string report = "";
Dictionary <string, ModelImportStatus> mosList = new Dictionary <string, ModelImportStatus>();
bool reportStatus = false;
if (this.backgroundWorker != null)
{
reportStatus = true;
}
int fileCount = filePaths.Length;
int thisFileNum = 0;
var dataDict = new Dictionary <string, List <object> >();
foreach (string file in filePaths)
{
var data = new List <object>();
double pct = ((double)thisFileNum / (double)fileCount) * 100.0;
thisFileNum++;
if (reportStatus)
{
backgroundWorker.ReportProgress((int)pct, "Processing las file " + thisFileNum + " of " + fileCount + ", " + file);
}
ModelImportStatus mis = new ModelImportStatus();
NKD.Import.Client.Processing.LASImport li = new NKD.Import.Client.Processing.LASImport();
LASFile lf = li.GetLASFile(file, mis);
if (lf == null)
{
mis.errorMessages.Add("Failed to load LAS file " + file);
mosList.Add(file, mis);
continue;
}
data = ll.ProcessLASFile(lf, file, mis, currentProjectID, this.backgroundWorker);
string msg = "";
if (msg != null)
{
messages.Add(msg);
report += msg + "\n";
failCount++;
}
else
{
importCount++;
}
mosList.Add(file, mis);
dataDict.Add(file, data);
//if (thisFileNum % 2 == 0 || (filePaths.Length-thisFileNum) < 1) //FIXME magic number, should look at used memory and make a choice on that
//{
//insert into DB to avoid memory issues
//var subdict = dataDict;
PushToDB(dataDict);
dataDict = new Dictionary <string, List <object> >();
//PushToDB(subdict);
//subdict = null;
GC.Collect();
GC.WaitForPendingFinalizers();
//}
}
string finalReport = "Immport status:\nFiles imported:" + importCount + "\nFailed files:" + failCount + "\n\nMessages:\n";
finalReport += report;
int totRecordsAddedCount = 0;
int totLinesReadCount = 0;
foreach (KeyValuePair <string, ModelImportStatus> kvp in mosList)
{
string lfName = kvp.Key;
ModelImportStatus ms = kvp.Value;
totRecordsAddedCount += ms.recordsAdded;
totLinesReadCount += ms.linesReadFromSource;
if (ms.finalErrorCode != ModelImportStatus.OK)
{
finalStatus.finalErrorCode = ModelImportStatus.GENERAL_LOAD_ERROR;
}
foreach (string m in ms.warningMessages)
{
finalStatus.warningMessages.Add(m);
}
foreach (string m in ms.errorMessages)
{
finalStatus.errorMessages.Add(m);
}
}
finalStatus.linesReadFromSource = totLinesReadCount;
finalStatus.recordsAdded = totRecordsAddedCount;
return(finalStatus);
}
