geGeometry DoPolygon(SqlGeography g)
{
List <geCoordinates> outcoor = new List <geCoordinates>();
List <geCoordinates>[] innercoor = null;
geInnerBoundaryIs[] inner = null;
int points = 0;
int rings = 0;
while (points < g.RingN(1).STNumPoints().Value)
{
outcoor.Add(new geCoordinates(new geAngle90(g.STPointN(points + 1).Lat.Value), new geAngle180(g.STPointN(points + 1).Long.Value)));
points++;
}
geOuterBoundaryIs outer = new geOuterBoundaryIs(new geLinearRing(outcoor));
gePolygon poly = new gePolygon(outer);
if (g.NumRings().Value > 1)
{
innercoor = new List <geCoordinates> [g.NumRings().Value - 1];
inner = new geInnerBoundaryIs[g.NumRings().Value - 1];
rings = 1;
while (rings < g.NumRings().Value)
{
innercoor[rings - 1] = new List <geCoordinates>();
points = 0;
while (points < g.RingN(rings + 1).STNumPoints().Value)
{
geCoordinates c = new geCoordinates(new geAngle90(g.RingN(rings + 1).STPointN(points + 1).Lat.Value), new geAngle180(g.RingN(rings + 1).STPointN(points + 1).Long.Value));
innercoor[rings - 1].Add(c);
points++;
}
inner[rings - 1] = new geInnerBoundaryIs(new geLinearRing(innercoor[rings - 1]));
poly.InnerBoundaries.Add(inner[rings - 1]);
rings++;
}
}
return(poly);
}
public static geKML RunExample(string FileName)
{
// Use a Document as the root of the KML
geDocument doc = new geDocument();
doc.Name = "My Root Document";
gePlacemark pm = new gePlacemark();
//Always complete the boundary by adding an end point that matches your beginning point
List <geCoordinates> outerCoords = new List <geCoordinates>();
outerCoords.Add(new geCoordinates(new geAngle90(37), new geAngle180(-114)));
outerCoords.Add(new geCoordinates(new geAngle90(37), new geAngle180(-108)));
outerCoords.Add(new geCoordinates(new geAngle90(31), new geAngle180(-108)));
outerCoords.Add(new geCoordinates(new geAngle90(31), new geAngle180(-114)));
outerCoords.Add(new geCoordinates(new geAngle90(37), new geAngle180(-114)));
List <geCoordinates> innerCoords1 = new List <geCoordinates>();
innerCoords1.Add(new geCoordinates(new geAngle90(36), new geAngle180(-113)));
innerCoords1.Add(new geCoordinates(new geAngle90(36), new geAngle180(-112)));
innerCoords1.Add(new geCoordinates(new geAngle90(35), new geAngle180(-112)));
innerCoords1.Add(new geCoordinates(new geAngle90(35), new geAngle180(-113)));
innerCoords1.Add(new geCoordinates(new geAngle90(36), new geAngle180(-113)));
List <geCoordinates> innerCoords2 = new List <geCoordinates>();
innerCoords2.Add(new geCoordinates(new geAngle90(34), new geAngle180(-113)));
innerCoords2.Add(new geCoordinates(new geAngle90(34), new geAngle180(-112)));
innerCoords2.Add(new geCoordinates(new geAngle90(33), new geAngle180(-112)));
innerCoords2.Add(new geCoordinates(new geAngle90(33), new geAngle180(-113)));
innerCoords2.Add(new geCoordinates(new geAngle90(34), new geAngle180(-113)));
geOuterBoundaryIs outer = new geOuterBoundaryIs(new geLinearRing(outerCoords));
gePolygon poly = new gePolygon(outer);
geInnerBoundaryIs inner1 = new geInnerBoundaryIs(new geLinearRing(innerCoords1));
geInnerBoundaryIs inner2 = new geInnerBoundaryIs(new geLinearRing(innerCoords2));
poly.InnerBoundaries.Add(inner1);
poly.InnerBoundaries.Add(inner2);
pm.Geometry = poly;
doc.Features.Add(pm);
//Lets add a Line somewhere too...
geStyle myLineStyle = new geStyle("myLineStyle");
myLineStyle.LineStyle = new geLineStyle();
myLineStyle.LineStyle.Color.SysColor = Color.Yellow;
myLineStyle.LineStyle.Width = 4; //This may or may not work, depends on the end user's video card
doc.StyleSelectors.Add(myLineStyle);
gePlacemark pmLine = new gePlacemark();
pmLine.StyleUrl = "#myLineStyle";
pmLine.Name = "Example Line";
pmLine.Description = "Some description";
List <geCoordinates> lineCoords = new List <geCoordinates>();
lineCoords.Add(new geCoordinates(new geAngle90(35), new geAngle180(-117)));
lineCoords.Add(new geCoordinates(new geAngle90(35), new geAngle180(-106)));
geLineString line = new geLineString(lineCoords);
pmLine.Geometry = line;
doc.Features.Add(pmLine);
//Now that we have our document, lets create our KML
geKML kml = new geKML(doc);
return(kml);
}
private void processPolygonLayer(LayerProperties layerProps, geFolder folder)
{
//I have a polygon layer, and a kml folder :)
IFeatureClass clasa = (layerProps.Layeru as IFeatureLayer).FeatureClass;
//get acces to features
IFeatureCursor featurele = clasa.Search(null, true);
int nrFeature = clasa.FeatureCount(null);
//if I have any features
Polygon poligon;
IFeature currentFeature;
while ((currentFeature = featurele.NextFeature()) != null)
{
poligon = currentFeature.Shape as Polygon;
//coordinates and vertices
double coordLat;
double coordLong;
IEnumVertex colection = poligon.EnumVertices;
IPoint polyVertex;
//create coord system WGS 84 (Google earth)
IGeographicCoordinateSystem gcs;
SpatialReferenceEnvironment sre = new SpatialReferenceEnvironment();
gcs = sre.CreateGeographicCoordinateSystem((int)esriSRGeoCSType.esriSRGeoCS_WGS1984);
//create spatial reference
ISpatialReference pointToSpatialReference;
pointToSpatialReference = gcs;
#region add points to polygon
//create a placemark for the line
gePlacemark pmPolygon = new gePlacemark();
pmPolygon.StyleUrl = "#Shape2KMLGeneratedStyle";
List <geCoordinates> polyCoords = new List <geCoordinates>();
int index1, index2;
//iterate points...
while (!colection.IsLastInPart())
{
//create polygon from vertices
colection.Next(out polyVertex, out index1, out index2);
//project point and get coordinates
polyVertex.Project(pointToSpatialReference);
polyVertex.QueryCoords(out coordLong, out coordLat);
//add point to line
try
{
//create points for polygon based on altitude mode.
switch (layerProps.AltitudeMode)
{
case AltitudeMode.absolute:
if (layerProps.Field == "")
{
//add point to line
polyCoords.Add(new geCoordinates(new geAngle90(coordLat), new geAngle180(coordLong), layerProps.Altitude));
}
else
{
int altitude;
//if altitude is integer, this should work
altitude = (int)currentFeature.get_Value(currentFeature.Fields.FindField(layerProps.Field));
//add point to line
polyCoords.Add(new geCoordinates(new geAngle90(coordLat), new geAngle180(coordLong), layerProps.Multiplier * altitude));
}
break;
case AltitudeMode.clampToGround:
//add point to line
polyCoords.Add(new geCoordinates(new geAngle90(coordLat), new geAngle180(coordLong)));
break;
case AltitudeMode.relativeToGround:
if (layerProps.Field == "")
{
//add point to line
polyCoords.Add(new geCoordinates(new geAngle90(coordLat), new geAngle180(coordLong), layerProps.Altitude));
}
else
{
float altitude;
//if altitude is integer, this should work
altitude = (float)currentFeature.get_Value(currentFeature.Fields.FindField(layerProps.Field));
//add point to line
polyCoords.Add(new geCoordinates(new geAngle90(coordLat), new geAngle180(coordLong), layerProps.Multiplier * altitude));
}
break;
default:
break;
}
}
catch (Exception)
{
MessageBox.Show("Altitude field is not a number value");
break;
}
}
//create line from list of coords
geOuterBoundaryIs outer = new geOuterBoundaryIs(new geLinearRing(polyCoords));
gePolygon poly = new gePolygon(outer);
//and add it to document
switch (layerProps.AltitudeMode)
{
//set altitude mode...
case AltitudeMode.absolute:
poly.AltitudeMode = geAltitudeModeEnum.absolute;
break;
case AltitudeMode.clampToGround:
poly.AltitudeMode = geAltitudeModeEnum.clampToGround;
break;
case AltitudeMode.relativeToGround:
poly.AltitudeMode = geAltitudeModeEnum.relativeToGround;
break;
default:
break;
}
if (layerProps.DescField != "")
{
pmPolygon.Description = currentFeature.get_Value(currentFeature.Fields.FindField(layerProps.DescField)).ToString();
}
if (layerProps.NameField != "")
{
pmPolygon.Name = currentFeature.get_Value(currentFeature.Fields.FindField(layerProps.NameField)).ToString();
}
pmPolygon.Geometry = poly;
folder.Features.Add(pmPolygon);
#endregion
}
}
