private Dictionary <int, List <LabelLocation> > ReadAnnoLocations(string sqlanno, IDbConnection dbConn)
{
using (IDbCommand cmd = dbConn.CreateCommand())
{
cmd.CommandText = sqlanno;
using (IDataReader dr = cmd.ExecuteReader())
{
int oid = -1;
float angle = 0;
Dictionary <int, List <LabelLocation> > retLocs = new Dictionary <int, List <LabelLocation> >();
while (dr.Read())
{
oid = _adapter.DrToInt32(dr, 0);
angle = _adapter.DrToFloat(dr, 1);
Shape shape = _adapter.DrToShape(dr, 2);
LabelLocation loc = new LabelLocation(shape as ShapePoint, (int)angle);
//
if (retLocs.ContainsKey(oid))
{
retLocs[oid].Add(loc);
}
else
{
retLocs.Add(oid, new List <LabelLocation>(new LabelLocation[] { loc }));
}
}
return(retLocs);
}
}
}
private LabelLocation[] GetLabelLocation(string[] fields, string xfield, string yfield, string angleField, List <string[]> locArgs)
{
int ix = Array.IndexOf(fields, xfield.ToUpper());
int iy = Array.IndexOf(fields, yfield.ToUpper());
int iangle = Array.IndexOf(fields, angleField.ToUpper());
if (ix == -1 || iy == -1 || iangle == -1)
{
return(null);
}
List <LabelLocation> locs = new List <LabelLocation>();
foreach (string[] vs in locArgs)
{
double x = 0;
double y = 0;
float angle = 0;
if (!double.TryParse(vs[ix], out x))
{
continue;
}
if (!double.TryParse(vs[iy], out y))
{
continue;
}
if (vs[iangle].Trim() == string.Empty)
{
vs[iangle] = "0";
}
if (!float.TryParse(vs[iangle], out angle))
{
continue;
}
if (angle < 0)
{
angle = Math.Abs(angle);
}
else
{
angle = 360 - angle;
}
LabelLocation l = new LabelLocation(new ShapePoint(x, y), (int)angle);
locs.Add(l);
}
return(locs.Count > 0 ? locs.ToArray() : null);
}
public override void UpdateLocations()
{
if (_geometry == null)
{
return;
}
if (_locations == null || _locations.Length == 0)
{
_locations = new LabelLocation[1] {
new LabelLocation()
}
}
;
_locations[0].Angle = 0;
_locations[0].Location = _geometry.Centroid;
}
}
public object Clone()
{
string[] flds = new string[_fieldNames.Length];
for (int i = 0; i < _fieldNames.Length; i++)
{
flds[i] = _fieldNames[i];
}
string[] fldValuess = new string[_fieldValues.Length];
for (int i = 0; i < _fieldValues.Length; i++)
{
fldValuess[i] = _fieldValues[i];
}
//Shape geo = _geometry.Clone();
LabelLocation[] anns = null;
if (_annotations != null)
{
anns = new LabelLocation[_annotations.Length];
for (int i = 0; i < _annotations.Length; i++)
{
anns[i] = _annotations[i].Clone() as LabelLocation;
}
}
return(new Feature(maxOID--, null, flds, fldValuess, anns));
}