public override void QueryEnvelope(com.epl.geometry.Envelope env)
{
env.SetEmpty();
if (m_description != env.m_description)
{
env.AssignVertexDescription(m_description);
}
env.Merge(this);
}
// Checked vs. Jan 11, 2011
/// <param name="bExact">
/// True, when the exact envelope need to be calculated and false
/// for the loose one.
/// </param>
protected internal virtual void _updateAllDirtyIntervals(bool bExact)
{
_verifyAllStreams();
if (_hasDirtyFlag(com.epl.geometry.MultiVertexGeometryImpl.DirtyFlags.DirtyIntervals))
{
if (null == m_envelope)
{
m_envelope = new com.epl.geometry.Envelope(m_description);
}
else
{
m_envelope.AssignVertexDescription(m_description);
}
if (IsEmpty())
{
m_envelope.SetEmpty();
return;
}
_updateXYImpl(bExact);
// efficient method for xy's
// now go through other attribues.
for (int attributeIndex = 1; attributeIndex < m_description.GetAttributeCount(); attributeIndex++)
{
int semantics = m_description._getSemanticsImpl(attributeIndex);
int ncomps = com.epl.geometry.VertexDescription.GetComponentCount(semantics);
com.epl.geometry.AttributeStreamBase stream = m_vertexAttributes[attributeIndex];
for (int iord = 0; iord < ncomps; iord++)
{
com.epl.geometry.Envelope1D interval = new com.epl.geometry.Envelope1D();
interval.SetEmpty();
for (int i = 0; i < m_pointCount; i++)
{
double value = stream.ReadAsDbl(i * ncomps + iord);
// some
// optimization
// is
// possible
// if
// non-virtual
// method
// is
// used
interval.Merge(value);
}
m_envelope.SetInterval(semantics, iord, interval);
}
}
if (bExact)
{
_setDirtyFlag(com.epl.geometry.MultiVertexGeometryImpl.DirtyFlags.DirtyIntervals, false);
}
}
}
public override void QueryEnvelope(com.epl.geometry.Envelope env)
{
env.SetEmpty();
env.AssignVertexDescription(m_description);
com.epl.geometry.Envelope2D env2D = new com.epl.geometry.Envelope2D();
QueryEnvelope2D(env2D);
env.SetEnvelope2D(env2D);
for (int i = 1, n = m_description.GetAttributeCount(); i < n; i++)
{
int semantics = m_description.GetSemantics(i);
for (int iord = 0, nord = com.epl.geometry.VertexDescription.GetComponentCount(semantics); i < nord; i++)
{
com.epl.geometry.Envelope1D interval = QueryInterval(semantics, iord);
env.SetInterval(semantics, iord, interval);
}
}
}