private void Projectionbutton_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(this.textBox1.Text))
{
MessageBox.Show("请选择需要定义文件所在的目录");
return;
}
if (string.IsNullOrEmpty(this.textBox2.Text))
{
MessageBox.Show("请选择坐标系文件");
return;
}
this.Projectionbutton.Enabled = false;
var tool = new ProjectionClass()
{
Folder = this.textBox1.Text, CoordinateFile = this.textBox2.Text, OutFolder = this.textBox3.Text
};
if (!tool.Work())
{
MessageBox.Show(string.Format("失败！{0}", tool.Error));
}
else
{
MessageBox.Show("Finish");
}
this.Projectionbutton.Enabled = true;
}
public SplinePlus()
{
SPData = CreateInstance(SPData);
SPData.SplinePlus = this;
SplineCreationClass = CreateInstance(SplineCreationClass);
FollowerClass = CreateInstance(FollowerClass);
TrainClass = CreateInstance(TrainClass);
EventClass = CreateInstance(EventClass);
GizmosClass = CreateInstance(GizmosClass);
ProjectionClass = CreateInstance(ProjectionClass);
SPData.Selections = CreateInstance(SPData.Selections);
SPData.SmoothData = CreateInstance(SPData.SmoothData);
SPData.SharedSettings = CreateInstance(SPData.SharedSettings);
}
//将任意坐标系统转换为自定义Albers大地坐标（米）
public static IPoint GeoToGra(IPoint point)
{
IPoint pt = new PointClass();
pt.PutCoords(point.X, point.Y);
ISpatialReferenceFactory2 pFact = new SpatialReferenceEnvironmentClass();
//定义地理坐标，由输入的对象决定，也可以自己定义，参考： esriSRGeoCSType
IGeographicCoordinateSystem pGCS = new GeographicCoordinateSystemClass();
pGCS = pFact.CreateGeographicCoordinateSystem(point.SpatialReference.FactoryCode);
//自定义投影方式
IProjectedCoordinateSystem pProjectedCS = new ProjectedCoordinateSystemClass();
IProjectedCoordinateSystemEdit pProjectedCSEdit = pProjectedCS as IProjectedCoordinateSystemEdit;
//定义投影方式，参考： esriSRProjectionType
IProjection pProjection = new ProjectionClass();
pProjection = pFact.CreateProjection((int)esriSRProjectionType.esriSRProjection_Albers);
//定义投影单位，参考：esriSRUnitType
ILinearUnit pUnit = new LinearUnitClass();
pUnit = pFact.CreateUnit((int)esriSRUnitType.esriSRUnit_Meter) as ILinearUnit;
//定义其他参数，参考：esriSRParameterType
IParameter[] pParm = new IParameter[6];
pParm[0] = pFact.CreateParameter((int)esriSRParameterType.esriSRParameter_FalseEasting);
pParm[0].Value = 0;
pParm[1] = pFact.CreateParameter((int)esriSRParameterType.esriSRParameter_FalseNorthing);
pParm[1].Value = 0;
pParm[2] = pFact.CreateParameter((int)esriSRParameterType.esriSRParameter_CentralMeridian);
pParm[2].Value = 110;
pParm[3] = pFact.CreateParameter((int)esriSRParameterType.esriSRParameter_StandardParallel1);
pParm[3].Value = 25;
pParm[4] = pFact.CreateParameter((int)esriSRParameterType.esriSRParameter_StandardParallel2);
pParm[4].Value = 47;
pParm[5] = pFact.CreateParameter((int)esriSRParameterType.esriSRParameter_LatitudeOfOrigin);
pParm[5].Value = 0;
//设置投影相关信息
object name = "User_Defined_Albers";
object alias = "Albers";
object abbreviation = "Albers";
object remarks = "User_Defined_Albers is the projection";
object usage = "";
object gcs = pGCS;
object projectedUnit = pUnit;
object projection = pProjection;
object parameters = pParm;
pProjectedCSEdit.Define(ref name, ref alias, ref abbreviation, ref remarks, ref usage, ref gcs, ref projectedUnit, ref projection, ref parameters);
//获取自定义空间参考
ISpatialReference pSpatialRef = pProjectedCS as ISpatialReference;
IGeometry pGeometry = (IGeometry)pt;
pGeometry.SpatialReference = pGCS as ISpatialReference;
//重投影处理
pGeometry.Project(pSpatialRef);
return pt;
}
//将任意坐标系统转换为自定义Albers大地坐标（米）
public static IPoint GeoToGra(IPoint point)
{
IPoint pt = new PointClass();
pt.PutCoords(point.X, point.Y);
ISpatialReferenceFactory2 pFact = new SpatialReferenceEnvironmentClass();
//定义地理坐标，由输入的对象决定，也可以自己定义，参考： esriSRGeoCSType
IGeographicCoordinateSystem pGCS = new GeographicCoordinateSystemClass();
pGCS = pFact.CreateGeographicCoordinateSystem(point.SpatialReference.FactoryCode);
//自定义投影方式
IProjectedCoordinateSystem pProjectedCS = new ProjectedCoordinateSystemClass();
IProjectedCoordinateSystemEdit pProjectedCSEdit = pProjectedCS as IProjectedCoordinateSystemEdit;
//定义投影方式，参考： esriSRProjectionType
IProjection pProjection = new ProjectionClass();
pProjection = pFact.CreateProjection((int)esriSRProjectionType.esriSRProjection_Albers);
//定义投影单位，参考：esriSRUnitType
ILinearUnit pUnit = new LinearUnitClass();
pUnit = pFact.CreateUnit((int)esriSRUnitType.esriSRUnit_Meter) as ILinearUnit;
//定义其他参数，参考：esriSRParameterType
IParameter[] pParm = new IParameter[6];
pParm[0] = pFact.CreateParameter((int)esriSRParameterType.esriSRParameter_FalseEasting);
pParm[0].Value = 0;
pParm[1] = pFact.CreateParameter((int)esriSRParameterType.esriSRParameter_FalseNorthing);
pParm[1].Value = 0;
pParm[2] = pFact.CreateParameter((int)esriSRParameterType.esriSRParameter_CentralMeridian);
pParm[2].Value = 110;
pParm[3] = pFact.CreateParameter((int)esriSRParameterType.esriSRParameter_StandardParallel1);
pParm[3].Value = 25;
pParm[4] = pFact.CreateParameter((int)esriSRParameterType.esriSRParameter_StandardParallel2);
pParm[4].Value = 47;
pParm[5] = pFact.CreateParameter((int)esriSRParameterType.esriSRParameter_LatitudeOfOrigin);
pParm[5].Value = 0;
//设置投影相关信息
object name = "User_Defined_Albers";
object alias = "Albers";
object abbreviation = "Albers";
object remarks = "User_Defined_Albers is the projection";
object usage = "";
object gcs = pGCS;
object projectedUnit = pUnit;
object projection = pProjection;
object parameters = pParm;
pProjectedCSEdit.Define(ref name, ref alias, ref abbreviation, ref remarks, ref usage, ref gcs, ref projectedUnit, ref projection, ref parameters);
//获取自定义空间参考
ISpatialReference pSpatialRef = pProjectedCS as ISpatialReference;
IGeometry pGeometry = (IGeometry)pt;
pGeometry.SpatialReference = pGCS as ISpatialReference;
//重投影处理
pGeometry.Project(pSpatialRef);
return(pt);
}
