本文整理汇总了C#中SqlGeometry.STIsEmpty方法的典型用法代码示例。如果您正苦于以下问题：C# SqlGeometry.STIsEmpty方法的具体用法？C# SqlGeometry.STIsEmpty怎么用？C# SqlGeometry.STIsEmpty使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类SqlGeometry的用法示例。
在下文中一共展示了SqlGeometry.STIsEmpty方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: SqlGeometryToGeometry
public static IGeometry SqlGeometryToGeometry(SqlGeometry geom, GeometryFactory factory)
{
if (geom.STIsEmpty())
return factory.CreateGeometryCollection(null);
OpenGisGeometryType geometryType = (OpenGisGeometryType)Enum.Parse(typeof(OpenGisGeometryType), geom.STGeometryType().Value);
switch (geometryType)
{
case OpenGisGeometryType.Point:
return SqlGeometryToGeometryPoint(geom, factory);
case OpenGisGeometryType.LineString:
return SqlGeometryToGeometryLineString(geom, factory);
case OpenGisGeometryType.Polygon:
return SqlGeometryToGeometryPolygon(geom, factory);
case OpenGisGeometryType.MultiPoint:
return SqlGeometryToGeometryMultiPoint(geom, factory);
case OpenGisGeometryType.MultiLineString:
return SqlGeometryToGeometryMultiLineString(geom, factory);
case OpenGisGeometryType.MultiPolygon:
return SqlGeometryToGeometryMultiPolygon(geom, factory);
case OpenGisGeometryType.GeometryCollection:
return SqlGeometryToGeometryGeometryCollection(geom, factory);
}
throw new ArgumentException(string.Format("Cannot convert SqlServer '{0}' to Geometry", geom.STGeometryType()), "geom");
}示例2: ToSharpMapGeometry
public static SMGeometry ToSharpMapGeometry(SqlGeometry geometry, Factory factory)
{
if (geometry == null) return null;
var fact = factory ?? Services.CreateGeometryFactory((int) geometry.STSrid);
if (geometry.STIsEmpty())
return fact.CreateGeometryCollection(null);
if (!geometry.STIsValid())
geometry.MakeValid();
OpenGisGeometryType geometryType = (OpenGisGeometryType)Enum.Parse(typeof(OpenGisGeometryType), (string)geometry.STGeometryType());
switch (geometryType)
{
case OpenGisGeometryType.Point:
return SqlGeometryToSharpMapPoint(geometry, fact);
case OpenGisGeometryType.LineString:
return SqlGeometryToSharpMapLineString(geometry, fact);
case OpenGisGeometryType.Polygon:
return SqlGeometryToSharpMapPolygon(geometry, fact);
case OpenGisGeometryType.MultiPoint:
return SqlGeometryToSharpMapMultiPoint(geometry, fact);
case OpenGisGeometryType.MultiLineString:
return SqlGeometryToSharpMapMultiLineString(geometry, fact);
case OpenGisGeometryType.MultiPolygon:
return SqlGeometryToSharpMapMultiPolygon(geometry, fact);
case OpenGisGeometryType.GeometryCollection:
return SqlGeometryToSharpMapGeometryCollection(geometry, fact);
}
throw new ArgumentException(string.Format("Cannot convert SqlServer '{0}' to Sharpmap.Geometry", geometry.STGeometryType()), "geometry");
}示例3: ReprojectGeometry
private void ReprojectGeometry(SqlGeometry geom, SqlGeometryBuilder bldr)
{
if (geom.STIsEmpty())
{
bldr.BeginGeometry(OpenGisGeometryType.GeometryCollection);
bldr.EndGeometry();
}
else
{
OpenGisGeometryType geometryType = (OpenGisGeometryType)Enum.Parse(typeof(OpenGisGeometryType), geom.STGeometryType().Value);
switch (geometryType)
{
case OpenGisGeometryType.Point:
ReprojectPoint(geom, bldr);
break;
case OpenGisGeometryType.LineString:
ReprojectLineString(geom, bldr);
break;
case OpenGisGeometryType.Polygon:
ReprojectPolygon(geom, bldr);
break;
case OpenGisGeometryType.MultiPoint:
ReprojectMultiPoint(geom, bldr);
break;
case OpenGisGeometryType.MultiLineString:
ReprojectMultiLineString(geom, bldr);
break;
case OpenGisGeometryType.MultiPolygon:
ReprojectMultiPolygon(geom, bldr);
break;
case OpenGisGeometryType.GeometryCollection:
ReprojectGeometryCollection(geom, bldr);
break;
default:
throw new ArgumentException(string.Format("Cannot reproject SqlServer Type '{0}'", geom.STGeometryType()), "geom");
}
}
}