public void OpenFileAndGetHeaderTest()
{
using (LasFileReader reader = new LasFileReader("file://" + _fixture.CurrentLasFilePath))
{
LasPublicHeader header = reader.Header;
Assert.AreEqual(AEGIS.IO.GeometryStreamFormats.Lasfile, reader.Format);
Assert.AreEqual((UInt16)39, header.FileSourceId);
Assert.AreEqual(GPSTimeType.Standard, header.GPSTimeType);
Assert.False(header.IsWavePacketStorageInternal);
Assert.False(header.IsWavePacketStorageExternal);
Assert.True(header.IsReturnNumberOriginSynthetical);
Assert.AreEqual(CRSType.WKT, header.CRSType);
Assert.AreEqual((UInt32)81, header.ProjectId1);
Assert.AreEqual((UInt16)50, header.ProjectId2);
Assert.AreEqual((UInt16)12, header.ProjectId3);
Assert.AreEqual((UInt64)974, header.ProjectId4);
Assert.AreEqual((Byte)1, header.VersionMajor);
Assert.AreEqual((Byte)4, header.VersionMinor);
Assert.AreEqual("OTHER", header.SystemIdentifier);
Assert.AreEqual("LasFileReaderUnitTests", header.GeneratingSoftware);
Assert.AreEqual((UInt16)286, header.FileCreationDay);
Assert.AreEqual((UInt16)2020, header.FileCreationYear);
Assert.AreEqual((UInt16)375, header.PublicHeaderSize);
Assert.AreEqual((UInt32)375, header.PointDataOffset);
Assert.AreEqual((UInt32)0, header.VariableLengthRecordCount);
Assert.AreEqual((Byte)7, header.PointDataFormat);
Assert.AreEqual((UInt16)36, header.PointDataLength);
Assert.AreEqual((UInt32)0, header.LegacyPointCount);
for (var i = 0; i < 5; i++)
{
Assert.AreEqual((UInt32)0, header.LegacyPointCountPerReturn[i]);
}
Assert.AreEqual((Double)0.01, header.ScaleFactorX);
Assert.AreEqual((Double)0.05, header.ScaleFactorY);
Assert.AreEqual((Double)0.10, header.ScaleFactorZ);
Assert.AreEqual((Double)(-0.50), header.OffsetX);
Assert.AreEqual((Double)0.00, header.OffsetY);
Assert.AreEqual((Double)0.50, header.OffsetZ);
Assert.AreEqual((Double)100, header.MaxX);
Assert.AreEqual((Double)0, header.MinX);
Assert.AreEqual((Double)101, header.MaxY);
Assert.AreEqual((Double)1, header.MinY);
Assert.AreEqual((Double)102, header.MaxZ);
Assert.AreEqual((Double)2, header.MinZ);
Assert.AreEqual((UInt64)0, header.WavePacketRecordOffset);
Assert.AreEqual((UInt64)0, header.ExtendedVariableLengthRecordOffset);
Assert.AreEqual((UInt32)0, header.ExtendedVariableLengthRecordCount);
Assert.AreEqual((UInt64)5, header.PointCount);
Assert.AreEqual((UInt64)3, header.PointCountPerReturn[0]);
Assert.AreEqual((UInt64)2, header.PointCountPerReturn[1]);
for (var i = 2; i < 15; i++)
{
Assert.AreEqual((UInt64)0, header.PointCountPerReturn[i]);
}
}
}
public void OpenFileLegacyFormatAndGetHeader()
{
using (LasFileReader reader = new LasFileReader("file://" + _fixture.LegacyLasFilePath))
{
LasPublicHeader header = reader.Header;
Assert.AreEqual((UInt32)81, header.ProjectId1);
Assert.AreEqual((UInt16)50, header.ProjectId2);
Assert.AreEqual((UInt16)12, header.ProjectId3);
Assert.AreEqual((UInt64)974, header.ProjectId4);
Assert.AreEqual((Byte)1, header.VersionMajor);
Assert.AreEqual((Byte)0, header.VersionMinor);
Assert.AreEqual("OTHER", header.SystemIdentifier);
Assert.AreEqual("LasFileReaderUnitTests", header.GeneratingSoftware);
Assert.AreEqual((UInt16)286, header.FileCreationDay);
Assert.AreEqual((UInt16)2020, header.FileCreationYear);
Assert.AreEqual((UInt16)227, header.PublicHeaderSize);
Assert.AreEqual((UInt32)227, header.PointDataOffset);
Assert.AreEqual((UInt32)0, header.VariableLengthRecordCount);
Assert.AreEqual((Byte)0, header.PointDataFormat);
Assert.AreEqual((UInt16)20, header.PointDataLength);
Assert.AreEqual((UInt32)5, header.LegacyPointCount);
Assert.AreEqual((UInt32)3, header.LegacyPointCountPerReturn[0]);
Assert.AreEqual((UInt32)2, header.LegacyPointCountPerReturn[1]);
for (var i = 2; i < 5; i++)
{
Assert.AreEqual((UInt32)0, header.LegacyPointCountPerReturn[i]);
}
Assert.AreEqual((Double)0.01, header.ScaleFactorX);
Assert.AreEqual((Double)0.05, header.ScaleFactorY);
Assert.AreEqual((Double)0.10, header.ScaleFactorZ);
Assert.AreEqual((Double)(-0.50), header.OffsetX);
Assert.AreEqual((Double)0.00, header.OffsetY);
Assert.AreEqual((Double)0.50, header.OffsetZ);
Assert.AreEqual((Double)100, header.MaxX);
Assert.AreEqual((Double)0, header.MinX);
Assert.AreEqual((Double)101, header.MaxY);
Assert.AreEqual((Double)1, header.MinY);
Assert.AreEqual((Double)102, header.MaxZ);
Assert.AreEqual((Double)2, header.MinZ);
Assert.AreEqual((UInt64)0, header.WavePacketRecordOffset);
Assert.AreEqual((UInt64)0, header.ExtendedVariableLengthRecordOffset);
Assert.AreEqual((UInt32)0, header.ExtendedVariableLengthRecordCount);
Assert.AreEqual((UInt64)5, header.PointCount);
Assert.AreEqual((UInt64)3, header.PointCountPerReturn[0]);
Assert.AreEqual((UInt64)2, header.PointCountPerReturn[1]);
for (var i = 2; i < 15; i++)
{
Assert.AreEqual((UInt64)0, header.PointCountPerReturn[i]);
}
}
}
public void OpenFileNotSupportedFormatTest()
{
Boolean result = false;
try
{
LasFileReader reader = new LasFileReader("file://" + _fixture.NotLasFilePath);
}
catch (InvalidDataException)
{
result = true;
}
Assert.True(result);
}
public void OpenFileInUseTest()
{
using (File.OpenWrite(new Uri(_fixture.CurrentLasFilePath).AbsolutePath))
{
Boolean result = false;
try
{
LasFileReader reader = new LasFileReader("file://" + _fixture.CurrentLasFilePath);
}
catch (IOException)
{
result = true;
}
Assert.True(result);
}
}
public void ReadLegacyPointTest()
{
using (LasFileReader reader = new LasFileReader("file://" + _fixture.LegacyLasFilePath))
{
Assert.AreEqual((UInt64)0, reader.ReadedPointCount);
Assert.AreEqual((UInt64)5, reader.TotalPointCount);
Assert.False(reader.EndOfStream);
// Point 1.
LasPointFormat0 point = reader.Read() as LasPointFormat0;
Assert.AreEqual((UInt64)1, reader.ReadedPointCount);
Assert.AreEqual((UInt64)5, reader.TotalPointCount);
Assert.False(reader.EndOfStream);
Assert.NotNull(point);
Assert.AreEqual((Double)0.50, point.X);
Assert.AreEqual((Double)1.00, point.Y);
Assert.AreEqual((Double)1.50, point.Z);
Assert.AreEqual((UInt16)0, point.Intensity);
Assert.AreEqual((Byte)1, point.ReturnNumber);
Assert.AreEqual((Byte)2, point.TotalReturnNumber);
Assert.True(point.IsSynthetic);
Assert.True(point.IsKeyPoint);
Assert.False(point.IsWithheld);
Assert.True(point.IsScanDirectionPositive);
Assert.False(point.IsFlightLineEdge);
Assert.AreEqual((Byte)1, point.Classification);
Assert.AreEqual((Byte)0, point.UserData);
Assert.AreEqual((Int16)0, point.ScanAngle);
Assert.AreEqual((UInt16)0, point.PointSourceId);
// Point 2.
point = reader.Read() as LasPointFormat0;
Assert.AreEqual((UInt64)2, reader.ReadedPointCount);
Assert.False(reader.EndOfStream);
Assert.NotNull(point);
Assert.AreEqual((Double)1.50, point.X);
Assert.AreEqual((Double)2.00, point.Y);
Assert.AreEqual((Double)2.50, point.Z);
Assert.AreEqual((UInt16)0, point.Intensity);
Assert.AreEqual((Byte)2, point.ReturnNumber);
Assert.AreEqual((Byte)2, point.TotalReturnNumber);
Assert.True(point.IsSynthetic);
Assert.False(point.IsKeyPoint);
Assert.False(point.IsWithheld);
Assert.True(point.IsScanDirectionPositive);
Assert.False(point.IsFlightLineEdge);
Assert.AreEqual((Byte)2, point.Classification);
Assert.AreEqual((Byte)0, point.UserData);
Assert.AreEqual((Int16)0, point.ScanAngle);
Assert.AreEqual((UInt16)0, point.PointSourceId);
reader.Read();
Assert.AreEqual((UInt64)3, reader.ReadedPointCount);
Assert.False(reader.EndOfStream);
reader.Read();
Assert.AreEqual((UInt64)4, reader.ReadedPointCount);
Assert.False(reader.EndOfStream);
// Point 5.
point = reader.Read() as LasPointFormat0;
Assert.AreEqual((UInt64)5, reader.ReadedPointCount);
Assert.True(reader.EndOfStream);
Assert.NotNull(point);
Assert.AreEqual((Double)4.50, point.X);
Assert.AreEqual((Double)5.00, point.Y);
Assert.AreEqual((Double)5.50, point.Z);
Assert.AreEqual((UInt16)0, point.Intensity);
Assert.AreEqual((Byte)1, point.ReturnNumber);
Assert.AreEqual((Byte)1, point.TotalReturnNumber);
Assert.True(point.IsSynthetic);
Assert.False(point.IsKeyPoint);
Assert.True(point.IsWithheld);
Assert.True(point.IsScanDirectionPositive);
Assert.True(point.IsFlightLineEdge);
Assert.AreEqual((Byte)5, point.Classification);
Assert.AreEqual((Byte)0, point.UserData);
Assert.AreEqual((Int16)0, point.ScanAngle);
Assert.AreEqual((UInt16)0, point.PointSourceId);
Boolean result = false;
try
{
reader.Read();
}
catch (InvalidDataException)
{
result = true;
}
Assert.True(result);
}
}
public void ReadMultiplePointsTest()
{
using (LasFileReader reader = new LasFileReader("file://" + _fixture.CurrentLasFilePath))
{
Assert.AreEqual((UInt64)0, reader.ReadedPointCount);
Assert.False(reader.EndOfStream);
IList <IGeometry> points = reader.Read(2);
Assert.AreEqual(2, points.Count);
Assert.AreEqual((UInt64)2, reader.ReadedPointCount);
Assert.False(reader.EndOfStream);
LasPointFormat7 point = points[0] as LasPointFormat7;
Assert.NotNull(point);
Assert.AreEqual((Double)0.50, point.X);
Assert.AreEqual((Double)1.00, point.Y);
Assert.AreEqual((Double)1.50, point.Z);
Assert.AreEqual((UInt16)0, point.Intensity);
Assert.AreEqual((Byte)1, point.ReturnNumber);
Assert.AreEqual((Byte)2, point.TotalReturnNumber);
Assert.True(point.IsSynthetic);
Assert.True(point.IsKeyPoint);
Assert.False(point.IsWithheld);
Assert.False(point.IsOverlap);
Assert.AreEqual((Byte)0, point.ScannerChannel);
Assert.True(point.IsScanDirectionPositive);
Assert.False(point.IsFlightLineEdge);
Assert.AreEqual((Byte)1, point.Classification);
Assert.AreEqual((Byte)0, point.UserData);
Assert.AreEqual((Int16)0, point.ScanAngle);
Assert.AreEqual((UInt16)0, point.PointSourceId);
Assert.AreEqual((Double)0, point.GPSTime);
Assert.AreEqual((UInt16)1, point.RedChannel);
Assert.AreEqual((UInt16)2, point.GreenChannel);
Assert.AreEqual((UInt16)3, point.BlueChannel);
points = reader.ReadToEnd();
Assert.AreEqual(3, points.Count);
Assert.AreEqual((UInt64)5, reader.ReadedPointCount);
Assert.True(reader.EndOfStream);
point = points[2] as LasPointFormat7;
Assert.NotNull(point);
Assert.AreEqual((Double)4.50, point.X);
Assert.AreEqual((Double)5.00, point.Y);
Assert.AreEqual((Double)5.50, point.Z);
Assert.AreEqual((UInt16)0, point.Intensity);
Assert.AreEqual((Byte)1, point.ReturnNumber);
Assert.AreEqual((Byte)1, point.TotalReturnNumber);
Assert.True(point.IsSynthetic);
Assert.False(point.IsKeyPoint);
Assert.True(point.IsWithheld);
Assert.True(point.IsOverlap);
Assert.AreEqual((Byte)1, point.ScannerChannel);
Assert.True(point.IsScanDirectionPositive);
Assert.True(point.IsFlightLineEdge);
Assert.AreEqual((Byte)5, point.Classification);
Assert.AreEqual((Byte)0, point.UserData);
Assert.AreEqual((Int16)0, point.ScanAngle);
Assert.AreEqual((UInt16)0, point.PointSourceId);
Assert.AreEqual((Double)0, point.GPSTime);
Assert.AreEqual((UInt16)1, point.RedChannel);
Assert.AreEqual((UInt16)2, point.GreenChannel);
Assert.AreEqual((UInt16)3, point.BlueChannel);
}
}
public void OpenFileNotSupportedPointVersionAndReadTest()
{
using (LasFileReader reader = new LasFileReader("file://" + _fixture.FutureLasFilePath))
{
LasPublicHeader header = reader.Header;
Assert.AreEqual((UInt16)39, header.FileSourceId);
Assert.AreEqual(GPSTimeType.Week, header.GPSTimeType);
Assert.False(header.IsWavePacketStorageInternal);
Assert.True(header.IsWavePacketStorageExternal);
Assert.True(header.IsReturnNumberOriginSynthetical);
Assert.AreEqual(CRSType.GeoTIFF, header.CRSType);
Assert.AreEqual((UInt32)81, header.ProjectId1);
Assert.AreEqual((UInt16)50, header.ProjectId2);
Assert.AreEqual((UInt16)12, header.ProjectId3);
Assert.AreEqual((UInt64)974, header.ProjectId4);
Assert.AreEqual((Byte)1, header.VersionMajor);
Assert.AreEqual((Byte)5, header.VersionMinor);
Assert.AreEqual("OTHER", header.SystemIdentifier);
Assert.AreEqual("LasFileReaderUnitTests", header.GeneratingSoftware);
Assert.AreEqual((UInt16)286, header.FileCreationDay);
Assert.AreEqual((UInt16)2020, header.FileCreationYear);
Assert.AreEqual((UInt16)376, header.PublicHeaderSize);
Assert.AreEqual((UInt32)376, header.PointDataOffset);
Assert.AreEqual((UInt32)0, header.VariableLengthRecordCount);
Assert.AreEqual((Byte)11, header.PointDataFormat);
Assert.AreEqual((UInt16)37, header.PointDataLength);
Assert.AreEqual((UInt32)0, header.LegacyPointCount);
for (var i = 0; i < 5; i++)
{
Assert.AreEqual((UInt32)0, header.LegacyPointCountPerReturn[i]);
}
Assert.AreEqual((Double)0.01, header.ScaleFactorX);
Assert.AreEqual((Double)0.05, header.ScaleFactorY);
Assert.AreEqual((Double)0.10, header.ScaleFactorZ);
Assert.AreEqual((Double)(-0.50), header.OffsetX);
Assert.AreEqual((Double)0.00, header.OffsetY);
Assert.AreEqual((Double)0.50, header.OffsetZ);
Assert.AreEqual((Double)100, header.MaxX);
Assert.AreEqual((Double)0, header.MinX);
Assert.AreEqual((Double)101, header.MaxY);
Assert.AreEqual((Double)1, header.MinY);
Assert.AreEqual((Double)102, header.MaxZ);
Assert.AreEqual((Double)2, header.MinZ);
Assert.AreEqual((UInt64)0, header.WavePacketRecordOffset);
Assert.AreEqual((UInt64)0, header.ExtendedVariableLengthRecordOffset);
Assert.AreEqual((UInt32)0, header.ExtendedVariableLengthRecordCount);
Assert.AreEqual((UInt64)5, header.PointCount);
Assert.AreEqual((UInt64)3, header.PointCountPerReturn[0]);
Assert.AreEqual((UInt64)2, header.PointCountPerReturn[1]);
for (var i = 2; i < 15; i++)
{
Assert.AreEqual((UInt64)0, header.PointCountPerReturn[i]);
}
Boolean result = false;
try
{
reader.Read();
}
catch (InvalidDataException)
{
result = true;
}
Assert.True(result);
}
}
