public void Build()
{
qGis_Object[] objects = null;
if (SearchID > 0) objects = qGis_Object.GetObjects (Boundary, SearchID);
else objects = qGis_Object.GetObjects(Boundary);
if (objects == null) return;
qGis_ClientRule rule = new qGis_ClientRule(RuleID);
double long_step = Boundary.Width / rule.GridHorizontalDivisions;
double lat_step = Boundary.Height / rule.GridVerticalDivisions;
qGis_Cluster [] temp_clusters = new qGis_Cluster [rule.GridHorizontalDivisions * rule.GridVerticalDivisions];
foreach (qGis_Object gis_object in objects)
{
for (int row = 0; row < rule.GridVerticalDivisions; row++)
{
for (int col = 0; col < rule.GridHorizontalDivisions; col++)
{
double left = Boundary.NorthWest.Longitude + col * long_step;
double right = left + long_step;
double top = Boundary.NorthWest.Latitude - row * lat_step;
double bottom = top - lat_step;
if (gis_object.Latitude > top || gis_object.Latitude < bottom) break;
if (gis_object.Longitude > right || gis_object.Longitude < left) continue;
if (temp_clusters [row * col] == null) temp_clusters[row * col] = new qGis_Cluster(gis_object.Longitude, gis_object.Latitude);
temp_clusters[row * col].AddObject (gis_object);
}
}
}
List<qGis_Cluster> clusters = new List<qGis_Cluster>();
for (int i = temp_clusters.Length - 1; i >= 0; i--)
if (temp_clusters[i] != null)
clusters.Add(temp_clusters[i]);
Clusters = clusters.ToArray();
}
public void Build()
{
qGis_Object[] objects = null;
if (SearchID > 0)
{
objects = qGis_Object.GetObjects(Boundary, SearchID);
}
else
{
objects = qGis_Object.GetObjects(Boundary);
}
if (objects == null)
{
return;
}
qGis_ClientRule rule = new qGis_ClientRule(RuleID);
double long_step = Boundary.Width / rule.GridHorizontalDivisions;
double lat_step = Boundary.Height / rule.GridVerticalDivisions;
qGis_Cluster [] temp_clusters = new qGis_Cluster [rule.GridHorizontalDivisions * rule.GridVerticalDivisions];
foreach (qGis_Object gis_object in objects)
{
for (int row = 0; row < rule.GridVerticalDivisions; row++)
{
for (int col = 0; col < rule.GridHorizontalDivisions; col++)
{
double left = Boundary.NorthWest.Longitude + col * long_step;
double right = left + long_step;
double top = Boundary.NorthWest.Latitude - row * lat_step;
double bottom = top - lat_step;
if (gis_object.Latitude > top || gis_object.Latitude < bottom)
{
break;
}
if (gis_object.Longitude > right || gis_object.Longitude < left)
{
continue;
}
if (temp_clusters [row * col] == null)
{
temp_clusters[row * col] = new qGis_Cluster(gis_object.Longitude, gis_object.Latitude);
}
temp_clusters[row * col].AddObject(gis_object);
}
}
}
List <qGis_Cluster> clusters = new List <qGis_Cluster>();
for (int i = temp_clusters.Length - 1; i >= 0; i--)
{
if (temp_clusters[i] != null)
{
clusters.Add(temp_clusters[i]);
}
}
Clusters = clusters.ToArray();
}