public virtual IPointCloudBinarySource CreateSegment(long pointIndex, long pointCount)
{
long offset = PointDataOffset + pointIndex * PointSizeBytes;
var segment = new PointCloudBinarySource(FileHandler, pointCount, Extent, Quantization, offset, PointSizeBytes);
return(segment);
}
protected virtual IPointCloudBinarySource CreateBinaryWrapper()
{
// params I need?
// (skip global encoding)
// (skip file creation date)
// vlrs
// evlrs
// attributes that make up point format
// point count
// quantization
// extent
// points by return
// create parameters
//Parameter<Extent3D>.Define("Extent", m_extent);
//Parameter<SQuantization3D>.Define("Quantization", m_header.Quantization);
//Parameter<ulong>.Define("PointCount", m_header.PointCount);
var source = new PointCloudBinarySource(this, Count, m_extent, m_header.Quantization, PointDataOffset, PointSizeBytes);
return(source);
}
public unsafe PointCloudBinarySource ConvertTextToBinary(string binaryPath, ProgressManager progressManager)
{
short pointSizeBytes = 3 * sizeof(double);
double minX = 0, minY = 0, minZ = 0;
double maxX = 0, maxY = 0, maxZ = 0;
int pointCount = 0;
using (var process = progressManager.StartProcess("ConvertTextToBinary"))
{
BufferInstance inputBuffer = process.AcquireBuffer(true);
BufferInstance outputBuffer = process.AcquireBuffer(true);
int pointsPerBuffer = outputBuffer.Length / pointSizeBytes;
int usableBytesPerBuffer = pointsPerBuffer * pointSizeBytes;
byte* inputBufferPtr = inputBuffer.DataPtr;
byte* outputBufferPtr = outputBuffer.DataPtr;
int bufferIndex = 0;
int skipped = 0;
using (var inputStream = StreamManager.OpenReadStream(FilePath))
{
long inputLength = inputStream.Length;
long estimatedOutputLength = inputLength;
using (var outputStream = StreamManager.OpenWriteStream(binaryPath, estimatedOutputLength, 0, true))
{
int bytesRead;
int readStart = 0;
while ((bytesRead = inputStream.Read(inputBuffer.Data, readStart, inputBuffer.Length - readStart)) > 0)
{
bytesRead += readStart;
readStart = 0;
int i = 0;
while (i < bytesRead)
{
// identify line start
while (i < bytesRead && (inputBufferPtr[i] == '\r' || inputBufferPtr[i] == '\n'))
{
++i;
}
int lineStart = i;
// identify line end
while (i < bytesRead && inputBufferPtr[i] != '\r' && inputBufferPtr[i] != '\n')
{
++i;
}
// handle buffer overlap
if (i == bytesRead)
{
Array.Copy(inputBuffer.Data, lineStart, inputBuffer.Data, 0, i - lineStart);
readStart = i - lineStart;
break;
}
// this may get overwritten if this is not a valid parse
double* p = (double*)(outputBufferPtr + bufferIndex);
if (!ParseXYZFromLine(inputBufferPtr, lineStart, i, p))
{
++skipped;
continue;
}
if (pointCount == 0)
{
minX = maxX = p[0];
minY = maxY = p[1];
minZ = maxZ = p[2];
}
else
{
if (p[0] < minX) minX = p[0];
else if (p[0] > maxX) maxX = p[0];
if (p[1] < minY) minY = p[1];
else if (p[1] > maxY) maxY = p[1];
if (p[2] < minZ) minZ = p[2];
else if (p[2] > maxZ) maxZ = p[2];
}
bufferIndex += pointSizeBytes;
++pointCount;
// write usable buffer chunk
if (usableBytesPerBuffer == bufferIndex)
{
outputStream.Write(outputBuffer.Data, 0, bufferIndex);
bufferIndex = 0;
}
}
if (!process.Update((float)inputStream.Position / inputLength))
break;
}
// write remaining buffer
if (bufferIndex > 0)
outputStream.Write(outputBuffer.Data, 0, bufferIndex);
}
}
process.Log("Skipped {0} lines", skipped);
process.LogTime("Copied {0:0,0} points", pointCount);
}
var extent = new Extent3D(minX, minY, minZ, maxX, maxY, maxZ);
var source = new PointCloudBinarySource(this, pointCount, extent, null, 0, pointSizeBytes);
return source;
}
protected virtual IPointCloudBinarySource CreateBinaryWrapper()
{
// params I need?
// (skip global encoding)
// (skip file creation date)
// vlrs
// evlrs
// attributes that make up point format
// point count
// quantization
// extent
// points by return
// create parameters
//Parameter<Extent3D>.Define("Extent", m_extent);
//Parameter<SQuantization3D>.Define("Quantization", m_header.Quantization);
//Parameter<ulong>.Define("PointCount", m_header.PointCount);
var source = new PointCloudBinarySource(this, Count, m_extent, m_header.Quantization, PointDataOffset, PointSizeBytes);
return source;
}
public virtual IPointCloudBinarySource CreateSegment(long pointIndex, long pointCount)
{
long offset = PointDataOffset + pointIndex * PointSizeBytes;
var segment = new PointCloudBinarySource(FileHandler, pointCount, Extent, Quantization, offset, PointSizeBytes);
return segment;
}
public unsafe PointCloudBinarySource ConvertTextToBinary(string binaryPath, ProgressManager progressManager)
{
short pointSizeBytes = 3 * sizeof(double);
double minX = 0, minY = 0, minZ = 0;
double maxX = 0, maxY = 0, maxZ = 0;
int pointCount = 0;
using (var process = progressManager.StartProcess("ConvertTextToBinary"))
{
BufferInstance inputBuffer = process.AcquireBuffer(true);
BufferInstance outputBuffer = process.AcquireBuffer(true);
int pointsPerBuffer = outputBuffer.Length / pointSizeBytes;
int usableBytesPerBuffer = pointsPerBuffer * pointSizeBytes;
byte *inputBufferPtr = inputBuffer.DataPtr;
byte *outputBufferPtr = outputBuffer.DataPtr;
int bufferIndex = 0;
int skipped = 0;
using (var inputStream = StreamManager.OpenReadStream(FilePath))
{
long inputLength = inputStream.Length;
long estimatedOutputLength = inputLength;
using (var outputStream = StreamManager.OpenWriteStream(binaryPath, estimatedOutputLength, 0, true))
{
int bytesRead;
int readStart = 0;
while ((bytesRead = inputStream.Read(inputBuffer.Data, readStart, inputBuffer.Length - readStart)) > 0)
{
bytesRead += readStart;
readStart = 0;
int i = 0;
while (i < bytesRead)
{
// identify line start
while (i < bytesRead && (inputBufferPtr[i] == '\r' || inputBufferPtr[i] == '\n'))
{
++i;
}
int lineStart = i;
// identify line end
while (i < bytesRead && inputBufferPtr[i] != '\r' && inputBufferPtr[i] != '\n')
{
++i;
}
// handle buffer overlap
if (i == bytesRead)
{
Array.Copy(inputBuffer.Data, lineStart, inputBuffer.Data, 0, i - lineStart);
readStart = i - lineStart;
break;
}
// this may get overwritten if this is not a valid parse
double *p = (double *)(outputBufferPtr + bufferIndex);
if (!ParseXYZFromLine(inputBufferPtr, lineStart, i, p))
{
++skipped;
continue;
}
if (pointCount == 0)
{
minX = maxX = p[0];
minY = maxY = p[1];
minZ = maxZ = p[2];
}
else
{
if (p[0] < minX)
{
minX = p[0];
}
else if (p[0] > maxX)
{
maxX = p[0];
}
if (p[1] < minY)
{
minY = p[1];
}
else if (p[1] > maxY)
{
maxY = p[1];
}
if (p[2] < minZ)
{
minZ = p[2];
}
else if (p[2] > maxZ)
{
maxZ = p[2];
}
}
bufferIndex += pointSizeBytes;
++pointCount;
// write usable buffer chunk
if (usableBytesPerBuffer == bufferIndex)
{
outputStream.Write(outputBuffer.Data, 0, bufferIndex);
bufferIndex = 0;
}
}
if (!process.Update((float)inputStream.Position / inputLength))
{
break;
}
}
// write remaining buffer
if (bufferIndex > 0)
{
outputStream.Write(outputBuffer.Data, 0, bufferIndex);
}
}
}
process.Log("Skipped {0} lines", skipped);
process.LogTime("Copied {0:0,0} points", pointCount);
}
var extent = new Extent3D(minX, minY, minZ, maxX, maxY, maxZ);
var source = new PointCloudBinarySource(this, pointCount, extent, null, 0, pointSizeBytes);
return(source);
}
