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();
}
}
}
unsafe bool LasConvert(AssetImportContext context, byte *ptr, int stride, int count, ref LasHeader header, PointCloudBounds bounds, PointCloudPoint *points)
{
var name = Path.GetFileName(context.assetPath);
var counts = new NativeArray <int>(JobsUtility.MaxJobThreadCount, Allocator.TempJob);
try
{
double scaleX, scaleY, scaleZ;
double centerX, centerY, centerZ;
if (Normalize)
{
centerX = -0.5 * (bounds.MaxX + bounds.MinX);
centerY = -0.5 * (bounds.MaxY + bounds.MinY);
centerZ = -0.5 * (bounds.MaxZ + bounds.MinZ);
scaleX = 2.0 / (bounds.MaxX - bounds.MinX);
scaleY = 2.0 / (bounds.MaxY - bounds.MinY);
scaleZ = 2.0 / (bounds.MaxZ - bounds.MinZ);
}
else if (Center)
{
centerX = -0.5 * (bounds.MaxX + bounds.MinX);
centerY = -0.5 * (bounds.MaxY + bounds.MinY);
centerZ = -0.5 * (bounds.MaxZ + bounds.MinZ);
scaleX = scaleY = scaleZ = 1.0;
}
else
{
centerX = centerY = centerZ = 0.0;
scaleX = scaleY = scaleZ = 1.0;
}
var job = new LasConvertJob()
{
LasRGB8BitWorkaround = LasRGB8BitWorkaround,
Input = ptr,
Stride = stride,
Output = points,
Transform = GetTransform(),
InputScaleX = header.ScaleX,
InputScaleY = header.ScaleY,
InputScaleZ = header.ScaleZ,
InputOffsetX = header.OffsetX,
InputOffsetY = header.OffsetY,
InputOffsetZ = header.OffsetZ,
OutputCenterX = centerX,
OutputCenterY = centerY,
OutputCenterZ = centerZ,
OutputScaleX = scaleX,
OutputScaleY = scaleY,
OutputScaleZ = scaleZ,
Counts = (int *)counts.GetUnsafePtr(),
ThreadIndex = 0,
};
bool hasColor = false;
if (header.PointDataFormat == 2)
{
job.ColorInput = ptr + 20;
hasColor = true;
}
else if (header.PointDataFormat == 3 || header.PointDataFormat == 5)
{
job.ColorInput = ptr + 28;
hasColor = true;
}
else if (header.PointDataFormat == 7 || header.PointDataFormat == 8 || header.PointDataFormat == 10)
{
job.ColorInput = ptr + 30;
hasColor = true;
}
var h = job.Schedule((int)count, 65536);
while (!h.IsCompleted)
{
System.Threading.Thread.Sleep(100);
int processed = counts.Sum();
float progress = (float)((double)processed / count);
EditorUtility.DisplayProgressBar($"Importing {name}", $"{processed:N0} points", progress);
}
return(hasColor);
}
finally
{
EditorUtility.ClearProgressBar();
counts.Dispose();
}
}
