public static string FormatSpatialReference(ISpatialReference sr)
{
try
{
if (sr == null)
{
return("");
}
StringBuilder builder = new StringBuilder();
if (sr is UnknownCoordinateSystemClass)
{
builder.Append("UnknownCoordinateSystem");
}
else
{
if (sr.Name == "Unknown")
{
builder.Append("UnknownCoordinateSystem");
}
else
{
IGeographicCoordinateSystem system2;
if (sr is IProjectedCoordinateSystem)
{
Exception exception;
IProjectedCoordinateSystem system = sr as IProjectedCoordinateSystem;
builder.Append("投影坐标系:\n");
builder.Append(" Name:").Append(system.Name).Append("\n");
builder.Append(" Alias:").Append(system.Alias).Append("\n");
builder.Append(" Abbreviation:").Append(system.Abbreviation).Append("\n");
builder.Append(" Remarks:").Append(system.Remarks).Append("\n");
builder.Append("投影:").Append(system.Projection.Name).Append("\n");
builder.Append("投影参数:\n");
builder.Append(" False_Easting:").Append(system.FalseEasting).Append("\n");
builder.Append(" False_Northing:").Append(system.FalseNorthing).Append("\n");
builder.Append(" Central_Meridian:").Append(system.get_CentralMeridian(true)).Append("\n");
try
{
builder.Append(" Scale_Factor:").Append(system.ScaleFactor).Append("\n");
}
catch { }
builder.Append(" Latitude_Of_Origin:0\n");
builder.Append("Linear Unit:").Append(system.CoordinateUnit.Name).Append("(").Append(system.CoordinateUnit.MetersPerUnit).Append(")\n");
builder.Append("Geographic Coordinate System:\n");
system2 = system.GeographicCoordinateSystem;
builder.Append(" Name:").Append(system2.Name).Append("\n");
builder.Append(" Alias:").Append(system2.Alias).Append("\n");
builder.Append(" Abbreviation:").Append(system2.Abbreviation).Append("\n");
builder.Append(" Remarks:").Append(system2.Remarks).Append("\n");
builder.Append(" Angular Unit:").Append(system2.CoordinateUnit.Name).Append("(").Append(system2.CoordinateUnit.RadiansPerUnit).Append(")\n");
builder.Append(" Prime Meridian:").Append(system2.PrimeMeridian.Name).Append("(").Append(system2.PrimeMeridian.Longitude).Append(")\n");
builder.Append(" Datum:").Append(system2.Datum.Name).Append("\n");
builder.Append(" Spheroid:").Append(system2.Datum.Spheroid.Name).Append("\n");
builder.Append(" Semimajor Axis:").Append(system2.Datum.Spheroid.SemiMajorAxis).Append("\n");
builder.Append(" Semiminor Axis:").Append(system2.Datum.Spheroid.SemiMinorAxis).Append("\n");
builder.Append(" Inverse Flattening:").Append((double)(1.0 / system2.Datum.Spheroid.Flattening)).Append("\n");
builder.Append("X/Y Domain:\n");
try
{
double num = 0.0;
double num2 = 0.0;
double num3 = 0.0;
double num4 = 0.0;
double num5 = 0.0;
sr.GetDomain(out num, out num3, out num2, out num4);
sr.GetFalseOriginAndUnits(out num, out num2, out num5);
builder.Append(" Min X:").Append(num).Append("\n");
builder.Append(" Min Y:").Append(num2).Append("\n");
builder.Append(" Max X:").Append(num3).Append("\n");
builder.Append(" Max Y:").Append(num4).Append("\n");
builder.Append(" XYScale:").Append(num5).Append("\n");
builder.Append("\n");
}
catch (Exception exception1)
{
exception = exception1;
}
builder.Append("Z Domain:\n");
try
{
double num6;
double num7;
double num8 = 0.0;
sr.GetZDomain(out num6, out num7);
sr.GetZFalseOriginAndUnits(out num6, out num8);
builder.Append(" Min Z:").Append(num6).Append("\n");
builder.Append(" Max Z:").Append(num7).Append("\n");
builder.Append(" ZScale:").Append(num8).Append("\n");
builder.Append("\n");
}
catch (Exception exception2)
{
exception = exception2;
}
try
{
double num9;
double num10;
builder.Append("M Domain:\n");
double num11 = 0.0;
sr.GetMDomain(out num9, out num10);
sr.GetMFalseOriginAndUnits(out num9, out num11);
builder.Append(" Min M:").Append(num9).Append("\n");
builder.Append(" Max M:").Append(num10).Append("\n");
builder.Append(" MScale:").Append(num11).Append("\n");
}
catch (Exception exception3)
{
exception = exception3;
}
}
else if (sr is IGeographicCoordinateSystem)
{
builder.Append("Geographic Coordinate System:\n");
system2 = sr as IGeographicCoordinateSystem;
builder.Append(" Name:").Append(system2.Name).Append("\n");
builder.Append(" Alias:").Append(system2.Alias).Append("\n");
builder.Append(" Abbreviation:").Append(system2.Abbreviation).Append("\n");
builder.Append(" Remarks:").Append(system2.Remarks).Append("\n");
builder.Append(" Angular Unit:").Append(system2.CoordinateUnit.Name).Append("(").Append(system2.CoordinateUnit.RadiansPerUnit).Append(")\n");
builder.Append(" Prime Meridian:").Append(system2.PrimeMeridian.Name).Append("(").Append(system2.PrimeMeridian.Longitude).Append(")\n");
builder.Append(" Datum:").Append(system2.Datum.Name).Append("\n");
builder.Append(" Spheroid:").Append(system2.Datum.Spheroid.Name).Append("\n");
builder.Append(" Semimajor Axis:").Append(system2.Datum.Spheroid.SemiMajorAxis).Append("\n");
builder.Append(" Semiminor Axis:").Append(system2.Datum.Spheroid.SemiMinorAxis).Append("\n");
builder.Append(" Inverse Flattening:").Append((double)(1.0 / system2.Datum.Spheroid.Flattening)).Append("\n");
}
}
}
return(builder.ToString());
}
catch (Exception ex)
{ return(""); }
}
public static string FormatSpatialReference(ISpatialReference sr)
{
try
{
if (sr == null)
{
return "";
}
StringBuilder builder = new StringBuilder();
if (sr is UnknownCoordinateSystemClass)
{
builder.Append("UnknownCoordinateSystem");
}
else
{
if (sr.Name == "Unknown")
{
builder.Append("UnknownCoordinateSystem");
}
else
{
IGeographicCoordinateSystem system2;
if (sr is IProjectedCoordinateSystem)
{
Exception exception;
IProjectedCoordinateSystem system = sr as IProjectedCoordinateSystem;
builder.Append("投影坐标系:\n");
builder.Append(" Name:").Append(system.Name).Append("\n");
builder.Append(" Alias:").Append(system.Alias).Append("\n");
builder.Append(" Abbreviation:").Append(system.Abbreviation).Append("\n");
builder.Append(" Remarks:").Append(system.Remarks).Append("\n");
builder.Append("投影:").Append(system.Projection.Name).Append("\n");
builder.Append("投影参数:\n");
builder.Append(" False_Easting:").Append(system.FalseEasting).Append("\n");
builder.Append(" False_Northing:").Append(system.FalseNorthing).Append("\n");
builder.Append(" Central_Meridian:").Append(system.get_CentralMeridian(true)).Append("\n");
try
{
builder.Append(" Scale_Factor:").Append(system.ScaleFactor).Append("\n");
}
catch { }
builder.Append(" Latitude_Of_Origin:0\n");
builder.Append("Linear Unit:").Append(system.CoordinateUnit.Name).Append("(").Append(system.CoordinateUnit.MetersPerUnit).Append(")\n");
builder.Append("Geographic Coordinate System:\n");
system2 = system.GeographicCoordinateSystem;
builder.Append(" Name:").Append(system2.Name).Append("\n");
builder.Append(" Alias:").Append(system2.Alias).Append("\n");
builder.Append(" Abbreviation:").Append(system2.Abbreviation).Append("\n");
builder.Append(" Remarks:").Append(system2.Remarks).Append("\n");
builder.Append(" Angular Unit:").Append(system2.CoordinateUnit.Name).Append("(").Append(system2.CoordinateUnit.RadiansPerUnit).Append(")\n");
builder.Append(" Prime Meridian:").Append(system2.PrimeMeridian.Name).Append("(").Append(system2.PrimeMeridian.Longitude).Append(")\n");
builder.Append(" Datum:").Append(system2.Datum.Name).Append("\n");
builder.Append(" Spheroid:").Append(system2.Datum.Spheroid.Name).Append("\n");
builder.Append(" Semimajor Axis:").Append(system2.Datum.Spheroid.SemiMajorAxis).Append("\n");
builder.Append(" Semiminor Axis:").Append(system2.Datum.Spheroid.SemiMinorAxis).Append("\n");
builder.Append(" Inverse Flattening:").Append((double)(1.0 / system2.Datum.Spheroid.Flattening)).Append("\n");
builder.Append("X/Y Domain:\n");
try
{
double num = 0.0;
double num2 = 0.0;
double num3 = 0.0;
double num4 = 0.0;
double num5 = 0.0;
sr.GetDomain(out num, out num3, out num2, out num4);
sr.GetFalseOriginAndUnits(out num, out num2, out num5);
builder.Append(" Min X:").Append(num).Append("\n");
builder.Append(" Min Y:").Append(num2).Append("\n");
builder.Append(" Max X:").Append(num3).Append("\n");
builder.Append(" Max Y:").Append(num4).Append("\n");
builder.Append(" XYScale:").Append(num5).Append("\n");
builder.Append("\n");
}
catch (Exception exception1)
{
exception = exception1;
}
builder.Append("Z Domain:\n");
try
{
double num6;
double num7;
double num8 = 0.0;
sr.GetZDomain(out num6, out num7);
sr.GetZFalseOriginAndUnits(out num6, out num8);
builder.Append(" Min Z:").Append(num6).Append("\n");
builder.Append(" Max Z:").Append(num7).Append("\n");
builder.Append(" ZScale:").Append(num8).Append("\n");
builder.Append("\n");
}
catch (Exception exception2)
{
exception = exception2;
}
try
{
double num9;
double num10;
builder.Append("M Domain:\n");
double num11 = 0.0;
sr.GetMDomain(out num9, out num10);
sr.GetMFalseOriginAndUnits(out num9, out num11);
builder.Append(" Min M:").Append(num9).Append("\n");
builder.Append(" Max M:").Append(num10).Append("\n");
builder.Append(" MScale:").Append(num11).Append("\n");
}
catch (Exception exception3)
{
exception = exception3;
}
}
else if (sr is IGeographicCoordinateSystem)
{
builder.Append("Geographic Coordinate System:\n");
system2 = sr as IGeographicCoordinateSystem;
builder.Append(" Name:").Append(system2.Name).Append("\n");
builder.Append(" Alias:").Append(system2.Alias).Append("\n");
builder.Append(" Abbreviation:").Append(system2.Abbreviation).Append("\n");
builder.Append(" Remarks:").Append(system2.Remarks).Append("\n");
builder.Append(" Angular Unit:").Append(system2.CoordinateUnit.Name).Append("(").Append(system2.CoordinateUnit.RadiansPerUnit).Append(")\n");
builder.Append(" Prime Meridian:").Append(system2.PrimeMeridian.Name).Append("(").Append(system2.PrimeMeridian.Longitude).Append(")\n");
builder.Append(" Datum:").Append(system2.Datum.Name).Append("\n");
builder.Append(" Spheroid:").Append(system2.Datum.Spheroid.Name).Append("\n");
builder.Append(" Semimajor Axis:").Append(system2.Datum.Spheroid.SemiMajorAxis).Append("\n");
builder.Append(" Semiminor Axis:").Append(system2.Datum.Spheroid.SemiMinorAxis).Append("\n");
builder.Append(" Inverse Flattening:").Append((double)(1.0 / system2.Datum.Spheroid.Flattening)).Append("\n");
}
}
}
return builder.ToString();
}
catch (Exception ex)
{ return ""; }
}
private static bool GetCoincident([NotNull] SegmentProxy segment,
[NotNull] SegmentProxy hull,
bool is3D,
out NearSegment hullStartNear,
out NearSegment hullEndNear)
{
hullStartNear = NearSegment.NotNear; // TODO
hullEndNear = NearSegment.NotNear; // TODO
IPolyline segLine = segment.GetPolyline(false);
IPolyline hullLine = hull.GetPolyline(false);
if (!((IRelationalOperator)segLine).Equals(hullLine))
{
return(false);
}
var coincident = true;
Pnt segmentStart = segment.GetStart(is3D);
Pnt segmentEnd = segment.GetEnd(is3D);
Pnt hullStart = hull.GetStart(is3D);
Pnt hullEnd = hull.GetEnd(is3D);
double distFromSegFromHull;
{
double dx = segmentStart.X - hullStart.X;
double dy = segmentStart.Y - hullStart.Y;
distFromSegFromHull = dx * dx + dy * dy;
}
double distFromSegToHull;
{
double dx = segmentStart.X - hullEnd.X;
double dy = segmentStart.Y - hullEnd.Y;
distFromSegToHull = dx * dx + dy * dy;
}
bool isInverse = (distFromSegFromHull > distFromSegToHull);
Pnt hullMatchSegFrom;
Pnt hullMatchSegTo;
if (!isInverse)
{
hullMatchSegFrom = hullStart;
hullMatchSegTo = hullEnd;
}
else
{
hullMatchSegFrom = hullEnd;
hullMatchSegTo = hullStart;
}
if (is3D)
{
double zPrecision = 0;
ISpatialReference spatialReference = segment.SpatialReference;
if (spatialReference != null && spatialReference.HasZPrecision())
{
double falseZ;
double zUnits;
spatialReference.GetZFalseOriginAndUnits(out falseZ, out zUnits);
zPrecision = 1 / zUnits;
}
if (Math.Abs(hullMatchSegFrom[2] - segmentStart[2]) > zPrecision ||
Math.Abs(hullMatchSegTo[2] - segmentStart[2]) > zPrecision)
{
coincident = false;
}
}
if (coincident)
{
if (!isInverse)
{
hullStartNear = NearSegment.NearStart;
hullEndNear = NearSegment.NearEnd;
}
else
{
hullStartNear = NearSegment.NearEnd;
hullEndNear = NearSegment.NearStart;
}
}
return(coincident);
}
