/// <summary>
/// The index of the first point in the part.
/// </summary>
private IntField Part(int partIndex)
{
//TODO: Do we have to do all of this math again and again for every part?
var offset = Offset + WordCount.FromBytes(40) + (partIndex * IntField.FieldLength);
return(new IntField(offset, Endianness.Little));
}
public ShapefileHeaderField(WordCount offset) : base(offset)
{
FileCode = new IntField(offset, Endianness.Big);
Unused1 = new IntField(offset + WordCount.FromBytes(4), Endianness.Big);
Unused2 = new IntField(offset + WordCount.FromBytes(8), Endianness.Big);
Unused3 = new IntField(offset + WordCount.FromBytes(12), Endianness.Big);
Unused4 = new IntField(offset + WordCount.FromBytes(16), Endianness.Big);
Unused5 = new IntField(offset + WordCount.FromBytes(20), Endianness.Big);
FileLength = new WordCountField(offset + WordCount.FromBytes(24));
Version = new IntField(offset + WordCount.FromBytes(28), Endianness.Little);
ShapeType = new ShapeTypeField(offset + WordCount.FromBytes(32));
BoxMin = new PointZField(
offset + WordCount.FromBytes(36),
offset + WordCount.FromBytes(44),
offset + WordCount.FromBytes(68),
offset + WordCount.FromBytes(84)
);
BoxMax = new PointZField(
offset + WordCount.FromBytes(52),
offset + WordCount.FromBytes(60),
offset + WordCount.FromBytes(76),
offset + WordCount.FromBytes(92)
);
}
public MultiPatchShapeField(WordCount offset) : base(offset)
{
Box = new BoundingBox2dField(offset);
NumParts = new IntField(offset + WordCount.FromBytes(32), Endianness.Little);
NumPoints = new IntField(offset + WordCount.FromBytes(36), Endianness.Little);
}
/// <summary>
/// The offset of the first part.
/// </summary>
private WordCount OffsetParts()
{
var offset = Offset + WordCount.FromBytes(40);
return(offset);
}
/// <summary>
/// The offset of the first point.
/// </summary>s>
private WordCount OffsetPoints(int numParts)
{
return(Offset + WordCount.FromBytes(40) + (numParts * IntField.FieldLength));
}
/// <summary>
/// The offset of the first point.
/// </summary>s>
private WordCount OffsetPoints(int numParts)
{
var offset = Offset + WordCount.FromBytes(40) + (numParts * IntField.FieldLength);
return(offset);
}