public static void ConvertLasData(MemoryMappedViewAccessor accessor, PointCloudPoint[] target, int count,
ref LasPointProcessor.LasHeader header, TransformationData transformationData, string progressBarTitle = null)
{
unsafe
{
byte *sourcePtr = null;
accessor.SafeMemoryMappedViewHandle.AcquirePointer(ref sourcePtr);
try
{
fixed(PointCloudPoint *targetPtr = target)
{
var counts = new NativeArray <int>(JobsUtility.MaxJobThreadCount, Allocator.TempJob);
try
{
var job = new LasConvertJob()
{
LasRGB8BitWorkaround = transformationData.LasRGB8BitWorkaround,
Input = sourcePtr,
Stride = header.PointDataSize,
Output = targetPtr,
Transform = transformationData.TransformationMatrix,
InputScaleX = header.ScaleX,
InputScaleY = header.ScaleY,
InputScaleZ = header.ScaleZ,
InputOffsetX = header.OffsetX,
InputOffsetY = header.OffsetY,
InputOffsetZ = header.OffsetZ,
OutputCenterX = transformationData.OutputCenterX,
OutputCenterY = transformationData.OutputCenterY,
OutputCenterZ = transformationData.OutputCenterZ,
OutputScaleX = transformationData.OutputScaleX,
OutputScaleY = transformationData.OutputScaleY,
OutputScaleZ = transformationData.OutputScaleZ,
Counts = (int *)counts.GetUnsafePtr(),
ThreadIndex = 0,
};
if (header.PointDataFormat == 2)
{
job.ColorInput = sourcePtr + 20;
}
else if (header.PointDataFormat == 3 || header.PointDataFormat == 5)
{
job.ColorInput = sourcePtr + 28;
}
else if (header.PointDataFormat == 7 || header.PointDataFormat == 8 ||
header.PointDataFormat == 10)
{
job.ColorInput = sourcePtr + 30;
}
var h = job.Schedule(count, 65536);
while (!h.IsCompleted)
{
System.Threading.Thread.Sleep(100);
int processed = counts.Sum();
float progress = (float)((double)processed / count);
EditorUtility.DisplayProgressBar(
string.IsNullOrEmpty(progressBarTitle) ? $"Applying transformation" : progressBarTitle,
$"{processed:N0} points", progress);
}
}
finally
{
EditorUtility.ClearProgressBar();
counts.Dispose();
}
}
}
finally
{
accessor.SafeMemoryMappedViewHandle.ReleasePointer();
}
}
}
public static PointCloudVerticalHistogram GenerateHistogramLas(MemoryMappedViewAccessor accessor, long count,
LasPointProcessor.LasHeader header, PointCloudBounds bounds, string progressBarTitle = null)
{
var maxArraySize = TreeUtility.CalculateMaxArraySize(header.PointDataSize);
if (count > maxArraySize)
{
Debug.LogWarning(
$"Too many points ({count:n0}), truncating to {maxArraySize:n0}");
count = maxArraySize;
}
unsafe
{
byte *ptr = null;
accessor.SafeMemoryMappedViewHandle.AcquirePointer(ref ptr);
try
{
var counts = new NativeArray <int>(JobsUtility.MaxJobThreadCount, Allocator.TempJob);
var histograms = new NativeArray <PointCloudVerticalHistogram>(
JobsUtility.MaxJobThreadCount,
Allocator.TempJob,
NativeArrayOptions.UninitializedMemory);
for (var i = 0; i < histograms.Length; i++)
{
histograms[i] = new PointCloudVerticalHistogram(bounds);
}
try
{
var job = new PointCloudCreateHistogramLasJob()
{
Input = ptr,
Stride = header.PointDataSize,
InputScaleX = header.ScaleX,
InputScaleY = header.ScaleY,
InputScaleZ = header.ScaleZ,
InputOffsetX = header.OffsetX,
InputOffsetY = header.OffsetY,
InputOffsetZ = header.OffsetZ,
Histogram = (PointCloudVerticalHistogram *)histograms.GetUnsafePtr(),
Counts = (int *)counts.GetUnsafePtr(),
ThreadIndex = 0,
};
var h = job.Schedule((int)count, 65536);
while (!h.IsCompleted)
{
System.Threading.Thread.Sleep(100);
var processed = counts.Sum();
var progress = (float)((double)processed / count);
EditorUtility.DisplayProgressBar(
string.IsNullOrEmpty(progressBarTitle) ? "Generating histogram" : progressBarTitle,
$"{processed:N0} points",
progress);
}
var result = new PointCloudVerticalHistogram(bounds);
foreach (var hst in histograms)
{
result.AddData(hst.regions);
}
return(result);
}
finally
{
EditorUtility.ClearProgressBar();
histograms.Dispose();
counts.Dispose();
}
}
finally
{
accessor.SafeMemoryMappedViewHandle.ReleasePointer();
}
}
}
