private void AddAoiToVectorHost(ISimpleVectorObjectHost host, PrjEnvelopeItem prjItem)
{
PrjEnvelope prjEnv = prjItem.PrjEnvelope;
Core.DrawEngine.CoordEnvelope env = new Core.DrawEngine.CoordEnvelope(prjEnv.MinX, prjEnv.MaxX, prjEnv.MinY, prjEnv.MaxY);
host.Add(new SimpleVectorObject(prjItem.Name, env));
}
public static OverViewObject CreateOverViewObject(ProjectionInfo pInfo)
{
OverViewObject ov = new monitoringPage.OverViewObject();
ov.ProjectionInfo = pInfo;
string pngfilename = Path.ChangeExtension(Path.Combine(DataPathHelper.ProjectionRootPath + pInfo.datapath), ".overview.png");
PrjEnvelopeItem prjEnv = new PrjEnvelopeItem("", new PrjEnvelope(pInfo.minx, pInfo.maxx, pInfo.miny, pInfo.maxy));
if (!File.Exists(pngfilename))
{
return(null);
}
Core.DrawEngine.CoordEnvelope env = CoordEnvelopeFromPrj(prjEnv);
Bitmap bmp = LoadImage(pngfilename);
if (bmp == null || bmp.Height * bmp.Width > 1000000)
{
return(null);
}
if (env.Height <= 0 || env.Width <= 0 || env.Height * env.Width > 1600)
{
return(null);
}
ov.OverviewName = Path.GetFileNameWithoutExtension(pngfilename);
ov.ProjectionInfo = pInfo;
ov.Envelope = env;
ov.Overview = bmp;
return(ov);
}
private void MagicWandResult2ExtractReulst(ScanLineSegment[] segs, IRasterDrawing drawing)
{
//获取判识结果对象
string name = GetName(_currentProduct, _currentSubProduct);
IPixelIndexMapper mapper = _resultObjects[name].BinaryValues;
//计算当前视窗分辨率和缩放比
double resX = drawing.Envelope.Width / drawing.Bitmap.Width;
double resY = drawing.Envelope.Height / drawing.Bitmap.Height;
float scaleX = (float)(resX / drawing.OriginalResolutionX);
float scaleY = (float)(resY / (drawing.OriginalEnvelope.Height / drawing.DataProvider.Height));
//计算当前视窗位图和原始栅格坐标交集
Core.DrawEngine.CoordEnvelope evp = drawing.Envelope.Intersect(drawing.OriginalEnvelope);
/*
* 计算当前视窗位图中有效影像区域
*/
int bRow = (int)((drawing.Envelope.MaxY - evp.MaxY) / resY);
int bCol = (int)((evp.MinX - drawing.Envelope.MinX) / resX);
int eRow = (int)(bRow + evp.Height / resY);
int eCol = (int)(bCol + evp.Width / resX);
/*
* 因为瓦片为中心对齐方式，因此有无效黑边
* row0,col0为实际数据行相对于全栅格图像的偏移
*/
int row0 = (int)((1 / scaleY) * (drawing.OriginalEnvelope.MaxY - evp.MaxY) / drawing.OriginalResolutionX);
int col0 = (int)((1 / scaleX) * (evp.MinX - drawing.OriginalEnvelope.MinX) / drawing.OriginalResolutionX);
/*
* 将扫面线转换到原始图像区域
*/
List <ScanLineSegment> retSegs = new List <ScanLineSegment>();
for (int i = 0; i < segs.Length; i++)
{
//无效黑边行
if (segs[i].Row < bRow || segs[i].Row >= eRow)
{
continue;
}
segs[i].Row = segs[i].Row - bRow + row0;
//Math.Max,Max.Min去除无效黑边列
segs[i].BeginCol = Math.Max(segs[i].BeginCol, bCol) - bCol + col0;
segs[i].EndCol = Math.Min(segs[i].EndCol, eCol) - bCol + col0;
retSegs.Add(segs[i]);
}
if (retSegs.Count == 0)
{
return;
}
// by chennan 应用感兴趣区域
int[] aoi = GetAOI();
//将扫描线重采样为原始分辨率(1:1)并生成二值图
IBinaryResampler resampler = new BinaryResampler();
resampler.Resample(retSegs.ToArray(), scaleX, scaleY, mapper, aoi);
//更新图层
UpdateLayer(_resultObjects[name]);
}
void ucPrjEnvelopes1_OnEnvelopeChanged(object sender, EventArgs e)
{
if (_mapAoiChanging)
{
return;
}
if (rbCenter.Checked)
{
if (_simpleMapControl != null)
{
PrjEnvelope env = ucPrjEnvelopes1.PrjEnvelopes[0].PrjEnvelope;
if (_simpleMapControl.DrawedAOI != null)
{
_simpleMapControl.DrawedAOI = null;
}
if (_dstSpatialRef.ProjectionCoordSystem != null)
{
Core.DrawEngine.CoordEnvelope geoEnv = new Core.DrawEngine.CoordEnvelope(env.MinX, env.MaxX, env.MinY, env.MaxY);
GeoDo.RSS.Core.DrawEngine.CoordEnvelope prjEnv = GeoToPrjEnv(geoEnv, _dstSpatialRef);
_simpleMapControl.DrawedAOI = geoEnv;
}
else
{
_simpleMapControl.DrawedAOI = new Core.DrawEngine.CoordEnvelope(env.MinX, env.MaxX, env.MinY, env.MaxY);
}
}
}
UpdateDrawAOI();
UpdateOutputFileName();
}
private string TryCheckArgsEnvironment(out GeoDo.RSS.Core.DrawEngine.CoordEnvelope[] envelopes)
{
ICanvasViewer canViewer = _smartSession.SmartWindowManager.ActiveCanvasViewer;
if (canViewer == null)
{
throw new Exception("未获得激活的数据窗口");
}
IAOIProvider aoiProvider = canViewer.AOIProvider;
if (aoiProvider == null)
{
throw new Exception("未从激活的数据窗口中获取感兴趣区域");
}
Core.DrawEngine.CoordEnvelope geoEnvelope = aoiProvider.GetGeoRect();
if (geoEnvelope == null)
{
throw new Exception("未从激活的数据窗口中获取感兴趣区域");
}
envelopes = new Core.DrawEngine.CoordEnvelope[] { geoEnvelope };
IRasterDrawing rd = canViewer.ActiveObject as IRasterDrawing;
if (rd == null)
{
throw new Exception("未从激活的数据窗口中获取数据提供者");
}
IRasterDataProvider rdp = rd.DataProvider;
if (rdp == null)
{
throw new Exception("未从激活的数据窗口中获取数据提供者");
}
return(rdp.fileName);
}
private GeoDo.RSS.Core.DrawEngine.CoordEnvelope GeoToPrjEnv(Core.DrawEngine.CoordEnvelope geoAoi, ISpatialReference dstSpatialRef)
{
IProjectionTransform transform = ProjectionTransformFactory.GetProjectionTransform(SpatialReference.GetDefault(), dstSpatialRef);
double[] xs = new double[] { geoAoi.MinX, geoAoi.MaxX };
double[] ys = new double[] { geoAoi.MinY, geoAoi.MaxY };
transform.Transform(xs, ys);
return(new GeoDo.RSS.Core.DrawEngine.CoordEnvelope(Math.Min(xs[0], xs[1]), Math.Max(xs[0], xs[1]), Math.Min(ys[0], ys[1]), Math.Max(ys[0], ys[1])));
}
private Core.DrawEngine.CoordEnvelope GetCoordEnvelope(IRasterDataProvider dataProvider)
{
Core.DrawEngine.CoordEnvelope evp = new Core.DrawEngine.CoordEnvelope(
dataProvider.CoordEnvelope.MinX,
dataProvider.CoordEnvelope.MaxX,
dataProvider.CoordEnvelope.MinY,
dataProvider.CoordEnvelope.MaxY);
return(evp);
}
private static GeoDo.RSS.Core.DF.CoordEnvelope PrjToGeoCoordEvp(Core.DrawEngine.CoordEnvelope viewPrjEvp, ICoordinateTransform tans)
{
double minX = 0;
double minY = 0;
double maxX = 0;
double maxY = 0;
tans.Prj2Geo(viewPrjEvp.MinX, viewPrjEvp.MinY, out minX, out minY);
tans.Prj2Geo(viewPrjEvp.MaxX, viewPrjEvp.MaxY, out maxX, out maxY);
return(new GeoDo.RSS.Core.DF.CoordEnvelope(minX, maxX, minY, maxY));
}
private void RefreshOverView()
{
_simpleMapControl.RemoveAllImageLayers();
for (int i = 0; i < _mosaicProjectionFileProvider.FileItems.Length; i++)
{
if (_mosaicProjectionFileProvider.FileItems[i] != null)
{
string filename = _mosaicProjectionFileProvider.FileItems[i].MainFile.fileName;
PrjEnvelope prjEnv = _mosaicProjectionFileProvider.FileItems[i].Envelope;
Bitmap bmp = _mosaicProjectionFileProvider.FileItems[i].OverViewBmp;
if (bmp != null && prjEnv != null)
{
Core.DrawEngine.CoordEnvelope env = new Core.DrawEngine.CoordEnvelope(prjEnv.MinX, prjEnv.MaxX, prjEnv.MinY, prjEnv.MaxY);
_simpleMapControl.AddImageLayer(filename, bmp, env, true);
}
}
}
_simpleMapControl.Render();
}
private void AddOverView(string pngfilename)
{
if (!File.Exists(pngfilename))
{
return;
}
string hdrfilename = pngfilename.Replace(".overview.png", ".hdr");
if (!File.Exists(hdrfilename))
{
return;
}
HdrFile hdrFile = HdrFile.LoadFrom(hdrfilename);
Core.DrawEngine.CoordEnvelope env = CoordEnvelopeFromHdr(hdrFile);
Bitmap bmp = LoadImage(pngfilename);
_simpleMapControl.AddImageLayer(pngfilename, bmp, env, true);
_simpleMapControl.Render();
}
private static Core.DrawEngine.CoordEnvelope GetDrawingEnvelop(ICanvas canvas, IRasterDataProvider prd)
{
if (prd == null)
{
return(null);
}
GeoDo.RSS.Core.DF.CoordEnvelope cop = prd.CoordEnvelope.Clone();
ICoordinateTransform tans = canvas.CoordTransform;
if (prd.CoordType == enumCoordType.PrjCoord)
{
return(new GeoDo.RSS.Core.DrawEngine.CoordEnvelope(cop.MinX, cop.MaxX, cop.MinY, cop.MaxY));
}
else
{
GeoDo.RSS.Core.DrawEngine.CoordEnvelope prjEvp = new Core.DrawEngine.CoordEnvelope(cop.MinX, cop.MaxX, cop.MinY, cop.MaxY);
tans.Geo2Prj(prjEvp);
return(prjEvp);
}
}
private void UpdateCanvasEnvelope(int offsetX, int offsetY)
{
ICanvasViewer viewer = _session.SmartWindowManager.ActiveCanvasViewer;
if (viewer == null || viewer.ActiveObject == null)
{
return;
}
IRasterDrawing drawing = viewer.ActiveObject as IRasterDrawing;
if (drawing == null || drawing.DataProvider == null)
{
return;
}
GeoDo.RSS.Core.DrawEngine.CoordEnvelope evp = viewer.Canvas.CurrentEnvelope;
Core.DrawEngine.CoordEnvelope newevp = new Core.DrawEngine.CoordEnvelope(
new Core.DrawEngine.CoordPoint(evp.MinX + _offsetX * _resX, evp.MinY - _offsetY * _resY),
evp.Width, evp.Height);
viewer.Canvas.CurrentEnvelope = newevp;
viewer.Canvas.Refresh(Core.DrawEngine.enumRefreshType.All);
}
private static Size GetMaxDataSize(ICanvas canvas, Core.DrawEngine.CoordEnvelope viewPrjEvp, IRasterDataProvider prd,
out GeoDo.RSS.Core.DF.CoordEnvelope viewGeoEvp)
{
viewGeoEvp = null;
if (prd == null)
{
return(Size.Empty);
}
viewGeoEvp = null;
ICoordinateTransform tans = canvas.CoordTransform;
viewGeoEvp = PrjToGeoCoordEvp(viewPrjEvp, tans);
if (prd.CoordType == enumCoordType.PrjCoord)
{
return(new Size((int)(viewPrjEvp.Width / prd.ResolutionX), (int)(viewPrjEvp.Height / prd.ResolutionY)));
}
else
{
double wid = 0;
double hei = 0;
tans.Prj2Geo(viewPrjEvp.Width, viewPrjEvp.Height, out wid, out hei);
return(new Size((int)(wid / prd.ResolutionX), (int)(hei / prd.ResolutionY)));
}
}
private void AddAoi(ISimpleVectorObjectHost host, string name, Core.DrawEngine.CoordEnvelope env)
{
host.Add(new SimpleVectorObject(name, env));
}
private void AddAoiToVectorHost(ISimpleVectorObjectHost host, string name, CoordEnvelope envelope)
{
Core.DrawEngine.CoordEnvelope env = new Core.DrawEngine.CoordEnvelope(envelope.MinX, envelope.MaxX, envelope.MinY, envelope.MaxY);
host.Add(new SimpleVectorObject(name, env));
}
public void To(Core.DrawEngine.CoordEnvelope viewport)
{
}
private void AddVector(string name, PrjEnvelope prjEnv)
{
Core.DrawEngine.CoordEnvelope env = new Core.DrawEngine.CoordEnvelope(prjEnv.MinX, prjEnv.MaxX, prjEnv.MinY, prjEnv.MaxY);
_aoiHost.Add(new SimpleVectorObject(name, env));
}
