public static int GetComponentCountFromAttributeDataType(LASPointAttributeDataType dataType)
{
if (!Enum.IsDefined(typeof(LASPointAttributeDataType), dataType) || dataType == LASPointAttributeDataType.Undocumented)
{
return(1);
}
return(((int)dataType - 1) / 10 + 1);
}
public LASPointAttributeBase(string name, LASPointAttributeDataType dataType, ulong[] noData, ulong[] min, ulong[] max, double[] scale, double[] offset, string description)
{
m_dataType = dataType;
m_name = name;
m_noData = noData;
m_min = min;
m_max = max;
m_scale = scale;
m_offset = offset;
m_description = description;
m_type = LASPointExtraBytes.GetTypeFromAttributeDataType(m_dataType);
m_components = LASPointExtraBytes.GetComponentCountFromAttributeDataType(m_dataType);
// todo: handle unknown format
m_typeSize = (m_type != null) ? SupportedType.GetSize(m_type) : 0; // m_options;
m_size = m_typeSize * m_components;
}
public LASPointExtraBytes(BinaryReader reader)
{
reader.ReadBytes(2);
m_dataType = (LASPointAttributeDataType)reader.ReadByte();
m_options = reader.ReadByte();
m_name = reader.ReadBytes(32).ToAsciiString();
reader.ReadBytes(4);
m_noData = reader.ReadUInt64Array(3);
m_min = reader.ReadUInt64Array(3);
m_max = reader.ReadUInt64Array(3);
m_scale = reader.ReadDoubleArray(3);
m_offset = reader.ReadDoubleArray(3);
m_description = reader.ReadBytes(32).ToAsciiString();
m_type = GetTypeFromAttributeDataType(m_dataType);
m_components = GetComponentCountFromAttributeDataType(m_dataType);
m_typeSize = (m_type != null) ? SupportedType.GetSize(m_type) : m_options;
}
public static Type GetTypeFromAttributeDataType(LASPointAttributeDataType dataType)
{
// return the underlying type, even if the actual data is an array
if (!Enum.IsDefined(typeof(LASPointAttributeDataType), dataType) || dataType == LASPointAttributeDataType.Undocumented)
{
return(null);
}
var dataTypeIndex = (LASPointAttributeDataType)((int)dataType % 10);
switch (dataTypeIndex)
{
case LASPointAttributeDataType.Byte: return(typeof(Byte));
case LASPointAttributeDataType.SByte: return(typeof(SByte));
case LASPointAttributeDataType.UShort: return(typeof(UInt16));
case LASPointAttributeDataType.Short: return(typeof(Int16));
case LASPointAttributeDataType.UInt: return(typeof(UInt32));
case LASPointAttributeDataType.Int: return(typeof(Int32));
case LASPointAttributeDataType.ULong: return(typeof(UInt64));
case LASPointAttributeDataType.Long: return(typeof(Int64));
case LASPointAttributeDataType.Single: return(typeof(Single));
case LASPointAttributeDataType.Double: return(typeof(Double));
}
return(null);
}
public LASPointExtraBytes(BinaryReader reader)
{
reader.ReadBytes(2);
m_dataType = (LASPointAttributeDataType)reader.ReadByte();
m_options = reader.ReadByte();
m_name = reader.ReadBytes(32).ToAsciiString();
reader.ReadBytes(4);
m_noData = reader.ReadUInt64Array(3);
m_min = reader.ReadUInt64Array(3);
m_max = reader.ReadUInt64Array(3);
m_scale = reader.ReadDoubleArray(3);
m_offset = reader.ReadDoubleArray(3);
m_description = reader.ReadBytes(32).ToAsciiString();
m_type = GetTypeFromAttributeDataType(m_dataType);
m_components = GetComponentCountFromAttributeDataType(m_dataType);
m_typeSize = (m_type != null) ? SupportedType.GetSize(m_type) : m_options;
}
public static Type GetTypeFromAttributeDataType(LASPointAttributeDataType dataType)
{
// return the underlying type, even if the actual data is an array
if (!Enum.IsDefined(typeof(LASPointAttributeDataType), dataType) || dataType == LASPointAttributeDataType.Undocumented)
return null;
var dataTypeIndex = (LASPointAttributeDataType)((int)dataType % 10);
switch (dataTypeIndex)
{
case LASPointAttributeDataType.Byte: return typeof(Byte);
case LASPointAttributeDataType.SByte: return typeof(SByte);
case LASPointAttributeDataType.UShort: return typeof(UInt16);
case LASPointAttributeDataType.Short: return typeof(Int16);
case LASPointAttributeDataType.UInt: return typeof(UInt32);
case LASPointAttributeDataType.Int: return typeof(Int32);
case LASPointAttributeDataType.ULong: return typeof(UInt64);
case LASPointAttributeDataType.Long: return typeof(Int64);
case LASPointAttributeDataType.Single: return typeof(Single);
case LASPointAttributeDataType.Double: return typeof(Double);
}
return null;
}
public static int GetComponentCountFromAttributeDataType(LASPointAttributeDataType dataType)
{
if (!Enum.IsDefined(typeof(LASPointAttributeDataType), dataType) || dataType == LASPointAttributeDataType.Undocumented)
return 1;
return ((int)dataType - 1) / 10 + 1;
}
