Exemplo n.º 1
0
        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);
        }