/// <summary>
/// Returns TRUE when this geometry has exactly same type, properties, and
/// coordinates as the other geometry.
/// </summary>
public override bool Equals(object _other)
{
if (_other == this)
{
return(true);
}
if (!(_other is com.epl.geometry.Point))
{
return(false);
}
com.epl.geometry.Point otherPt = (com.epl.geometry.Point)_other;
if (m_description != otherPt.m_description)
{
return(false);
}
if (IsEmptyImpl())
{
if (otherPt.IsEmptyImpl())
{
return(true);
}
else
{
return(false);
}
}
for (int i = 0, n = m_description.GetTotalComponentCount(); i < n; i++)
{
if (m_attributes[i] != otherPt.m_attributes[i])
{
return(false);
}
}
return(true);
}
/// <summary>Merges this envelope with the point.</summary>
/// <remarks>
/// Merges this envelope with the point. The boundary of the envelope is
/// increased to include the point. If the envelope is empty, the coordinates
/// of the point to merge are assigned. If the point is empty, the original
/// envelope is unchanged.
/// </remarks>
/// <param name="point">The point to be merged.</param>
public virtual void Merge(com.epl.geometry.Point point)
{
_touch();
if (point.IsEmptyImpl())
{
return;
}
com.epl.geometry.VertexDescription pointVD = point.m_description;
if (m_description != pointVD)
{
MergeVertexDescription(pointVD);
}
if (IsEmpty())
{
_setFromPoint(point);
return;
}
m_envelope.Merge(point.GetXY());
for (int iattrib = 1, nattrib = pointVD.GetAttributeCount(); iattrib < nattrib; iattrib++)
{
int semantics = pointVD._getSemanticsImpl(iattrib);
int ncomps = com.epl.geometry.VertexDescription.GetComponentCount(semantics);
for (int iord = 0; iord < ncomps; iord++)
{
double v = point.GetAttributeAsDbl(semantics, iord);
com.epl.geometry.Envelope1D interval = QueryInterval(semantics, iord);
interval.Merge(v);
SetInterval(semantics, iord, interval);
}
}
}
private void _set(int endPoint, com.epl.geometry.Point src)
{
_touch();
com.epl.geometry.Point point = src;
if (src.IsEmptyImpl())
{
// can not assign an empty point
throw new com.epl.geometry.GeometryException("empty_Geometry");
}
com.epl.geometry.VertexDescription vdin = point.GetDescription();
for (int attributeIndex = 0, nattrib = vdin.GetAttributeCount(); attributeIndex < nattrib; attributeIndex++)
{
int semantics = vdin._getSemanticsImpl(attributeIndex);
int ncomp = com.epl.geometry.VertexDescription.GetComponentCount(semantics);
for (int icomp = 0; icomp < ncomp; icomp++)
{
double v = point.GetAttributeAsDbl(semantics, icomp);
_setAttribute(endPoint, semantics, icomp, v);
}
}
}
private void _get(int endPoint, com.epl.geometry.Point outPoint)
{
if (IsEmptyImpl())
{
throw new com.epl.geometry.GeometryException("empty geometry");
}
// ._setToDefault();
outPoint.AssignVertexDescription(m_description);
if (outPoint.IsEmptyImpl())
{
outPoint._setToDefault();
}
for (int attributeIndex = 0; attributeIndex < m_description.GetAttributeCount(); attributeIndex++)
{
int semantics = m_description._getSemanticsImpl(attributeIndex);
for (int icomp = 0, ncomp = com.epl.geometry.VertexDescription.GetComponentCount(semantics); icomp < ncomp; icomp++)
{
double v = _getAttributeAsDbl(endPoint, semantics, icomp);
outPoint.SetAttribute(semantics, icomp, v);
}
}
}
