public IntersectionPart Execute(IFeature other)
{
const string methodName = "CalculateMuniPrivateCommand";
var municipleIntersection = new CalculateIntersectionCommand(_whole, _logger).Execute(other);
if (municipleIntersection.Intersection == null)
{
return(new IntersectionPart());
}
var wholeMuni = (ITopologicalOperator4)municipleIntersection.Intersection;
var privateFilter = new SpatialFilter
{
Geometry = municipleIntersection.Intersection,
SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects,
WhereClause = "OWNER = 'Private'"
};
var cursor = LandOwnership.FeatureClass.Search(privateFilter, true);
IFeature privateLand;
IGeometry privateGeometry = null;
while ((privateLand = cursor.NextFeature()) != null)
{
var intersection = wholeMuni.Intersect(privateLand.ShapeCopy, esriGeometryDimension.esriGeometry2Dimension);
if (privateGeometry == null)
{
privateGeometry = intersection;
}
else
{
privateGeometry = ((ITopologicalOperator4)privateGeometry).Union(intersection);
}
}
if (privateGeometry == null)
{
return(new IntersectionPart());
}
var part = new IntersectionPart();
var area = (IArea)privateGeometry;
#if !DEBUG
_logger.LogMessage(ServerLogger.msgType.infoStandard, methodName, MessageCode, string.Format("Area: {0}", area.Area));
#endif
part.Size = Math.Abs(area.Area);
part.Intersection = privateGeometry;
return(part);
}
public IntersectionPart Execute(IFeature other)
{
const string methodName = "CalculateCountyPrivateCommand";
var countyIntersection = new CalculateIntersectionCommand(_whole, _logger).Execute(other);
// out of utah
if (countyIntersection.Intersection == null)
{
return(new IntersectionPart());
}
var countyPart = (ITopologicalOperator4)countyIntersection.Intersection;
var privateFilter = new SpatialFilter
{
Geometry = countyIntersection.Intersection,
SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects,
WhereClause = "OWNER = 'Private'"
};
var muniFilter = new SpatialFilter
{
Geometry = countyIntersection.Intersection,
SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects
};
var privateGeometry = UnionItemsFor(LandOwnership.FeatureClass, privateFilter, countyPart);
var municipalGeometry = UnionItemsFor(Municipalities.FeatureClass, muniFilter, countyPart);
// no private or municipal land
if (privateGeometry == null && municipalGeometry == null)
{
return(new IntersectionPart());
}
// no municipality - return private
if (municipalGeometry == null)
{
var privateArea = (IArea)privateGeometry;
#if !DEBUG
_logger.LogMessage(ServerLogger.msgType.infoStandard, methodName, MessageCode, string.Format("Area: {0}", privateArea.Area));
#endif
return(new IntersectionPart
{
Size = Math.Abs(privateArea.Area),
Intersection = privateGeometry
});
}
// no private - return 0 because it's places people live not in a city
if (privateGeometry == null)
{
return(new IntersectionPart());
}
// there are both private and muni
var privatePart = (ITopologicalOperator4)privateGeometry;
var intersection = privatePart.Difference(municipalGeometry);
var part = new IntersectionPart();
var area = (IArea)intersection;
#if !DEBUG
_logger.LogMessage(ServerLogger.msgType.infoStandard, methodName, MessageCode, string.Format("Area: {0}", area.Area));
#endif
part.Size = Math.Abs(area.Area);
part.Intersection = intersection;
return(part);
}