/// <summary>
/// 获取转换后的点
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="param4"></param>
/// <returns></returns>
private HorizontalCoordinate GetTransformedPoint(double x, double y, Matrix param4)
{
var offset = ((int)x / 1000000) * 1000000;
// 坐标转换
x = x - offset;
var sourceCoordinate = new HorizontalCoordinate(x, y);
var targetCoordinate = LinearTransformation.Transform(sourceCoordinate, param4);
return(new HorizontalCoordinate(targetCoordinate.X + offset, targetCoordinate.Y));
}
public void Transform(Matrix mat)
{
RotationalTransformation rot = new RotationalTransformation();
rot.Matrix = mat;
rot.RotateDegreesAroundOrigin(mRotation);
LinearTransformation lt = new LinearTransformation();
lt.Matrix = mat;
if (mAspect < 0)
{
lt.StretchX = 1 + mAspect;
lt.Transform();
}
if (mAspect > 0)
{
lt.StretchY = 1 - +mAspect;
lt.Transform();
}
}
public void GetSketchPointInfo(int index, ref double[] adfX, ref double[] adfY, ref double[] adfZ, Matrix param4)
{
var marker = m_pointOverlay.Markers[index];
var projection = new GaussKrugerProjection();
projection.Ellipsoid = ReferenceEllipsoid.International1975;
projection.LongitudeOfOrigin = Math.Round(marker.Position.Lng / 3) * 3;
projection.Forward(marker.Position.Lat, marker.Position.Lng, out adfX[0], out adfY[0]);
var sourceCoordinate = new HorizontalCoordinate(adfX[0], adfY[0]);
var targetCoordinate = LinearTransformation.Transform(sourceCoordinate, param4);
adfX[0] = targetCoordinate.X + projection.LongitudeOfOrigin / 3 * 1000000;
adfY[0] = targetCoordinate.Y;
}
/// <summary>
/// 取图形范围
/// </summary>
/// <param name="adfMinBound"></param>
/// <param name="adfMaxBound"></param>
/// <param name="param4"></param>
/// <returns></returns>
private RectLatLng GetShapeRect(double[] adfMinBound, double[] adfMaxBound, Matrix param4)
{
double minX, minY, maxX, maxY;
minX = adfMinBound[0];
minY = adfMinBound[1];
var minZone = (int)minX / 1000000;
minX = minX - minZone * 1000000;
maxX = adfMaxBound[0];
maxY = adfMaxBound[1];
var maxZone = (int)maxX / 1000000;
maxX = maxX - maxZone * 1000000;
// 坐标转换（不要加大数）
var minXY = LinearTransformation.Transform(new HorizontalCoordinate(minX, minY), param4);
var maxXY = LinearTransformation.Transform(new HorizontalCoordinate(maxX, maxY), param4);
var projection = new GaussKrugerProjection();
projection.Ellipsoid = ReferenceEllipsoid.International1975;
// 再转成经纬度（加上大数，因为需要计算投影带号）
double lat, lng;
projection.LongitudeOfOrigin = minZone * 3;
projection.Reverse(minXY.X, minXY.Y, out lat, out lng);
var minLB = new GeocentricCoordinate(lat, lng);
projection.LongitudeOfOrigin = maxZone * 3;
projection.Reverse(maxXY.X, maxXY.Y, out lat, out lng);
var maxLB = new GeocentricCoordinate(lat, lng);
// 取得图形范围用于显示
var rect = new RectLatLng(maxLB.Latitude.Digital, minLB.Longitude.Digital, maxLB.Longitude.Digital - minLB.Longitude.Digital, maxLB.Latitude.Digital - minLB.Latitude.Digital);
return(rect);
}
public void GetSketchPolygonInfo(int index, ref double[] adfX, ref double[] adfY, ref double[] adfZ, Matrix param4)
{
var polygon = m_polygonOverlay.Polygons[index];
var projection = new GaussKrugerProjection();
projection.Ellipsoid = ReferenceEllipsoid.International1975;
for (int i = 0; i < polygon.Points.Count; i++)
{
projection.LongitudeOfOrigin = Math.Round(polygon.Points[i].Lng / 3) * 3;
projection.Forward(polygon.Points[i].Lat, polygon.Points[i].Lng, out adfX[i], out adfY[i]);
var sourceCoordinate = new HorizontalCoordinate(adfX[i], adfY[i]);
var targetCoordinate = LinearTransformation.Transform(sourceCoordinate, param4);
adfX[i] = targetCoordinate.X + projection.LongitudeOfOrigin / 3 * 1000000;
adfY[i] = targetCoordinate.Y;
}
}
/// <summary>
/// 获取转换后的点
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="param4"></param>
/// <returns></returns>
private PointLatLng GetTransformedPoint(double x, double y, Matrix param4)
{
var projection = new GaussKrugerProjection();
projection.Ellipsoid = ReferenceEllipsoid.International1975;
var zone = (int)x / 1000000;
x = x - zone * 1000000;
// 坐标转换（不要加大数）
var sourceCoordinate = new HorizontalCoordinate(x, y);
var targetCoordinate = LinearTransformation.Transform(sourceCoordinate, param4);
// 再转成经纬度（加上大数，因为需要计算投影带号）
double lat, lng;
projection.LongitudeOfOrigin = zone * 3;
projection.Reverse(targetCoordinate.X, targetCoordinate.Y, out lat, out lng);
return(new PointLatLng(lat, lng));
}
/// <summary>
/// Push a new object space onto the stack and then apply a <see cref="SharpGL.SceneGraph.Transformations.LinearTransformation"/>.
/// </summary>
/// <param name="gl">The OpenGL render context.</param>
/// <param name="tranformation">The <see cref="SharpGL.SceneGraph.Transformations.LinearTransformation"/> to apply</param>
public void PushObjectSpace(OpenGL gl, LinearTransformation tranformation)
{
gl.PushMatrix();
tranformation.Transform(gl);
Rotate(gl);
}
/// <summary>
/// Push a new object space onto the stack and then apply a <see cref="SharpGL.SceneGraph.Transformations.LinearTransformation"/>.
/// </summary>
/// <param name="gl">The OpenGL render context.</param>
/// <param name="tranformation">The <see cref="SharpGL.SceneGraph.Transformations.LinearTransformation"/> to apply</param>
public void PushObjectSpace(OpenGL gl, LinearTransformation tranformation)
{
gl.PushMatrix();
tranformation.Transform(gl);
Rotate(gl);
}