public static void Init()
{
//为数据框注册添加栅格数据的委托
GeoDo.RSS.Layout.DataFrm.DataFrame.AddFileToCanvasViewerExecutor = (fname, argument, canvas, fileOpenargs, colorTableName) =>
{
//IRgbStretcherProvider rgbStretcherpProvider = null;
//if (fname.ToUpper().EndsWith(".DAT"))
// rgbStretcherpProvider = new RgbStretcherProvider();
IRgbStretcherProvider rgbStretcherpProvider = new RgbStretcherProvider();
if (string.IsNullOrWhiteSpace(colorTableName))
{
colorTableName = GetColorTableName(argument);//兼容最早colortablename放在argument中的模式
}
else
{
colorTableName = "colortablename=" + colorTableName;
}
List <string> options = new List <string>();
if (!string.IsNullOrWhiteSpace(colorTableName))
{
options.Add(colorTableName);
}
if (fileOpenargs != null)
{
options.AddRange(fileOpenargs);
}
IRasterDrawing drawing = new RasterDrawing(fname, canvas, rgbStretcherpProvider, options.ToArray());
drawing.SelectedBandNos = GetDefaultBands(drawing);
IRasterLayer lyr = new RasterLayer(drawing);
canvas.LayerContainer.Layers.Add(lyr);
canvas.PrimaryDrawObject = drawing;
canvas.CurrentEnvelope = drawing.OriginalEnvelope;
drawing.StartLoading(null);
TryLoadAOIMaskLayer(canvas, drawing, fname);
};
//为栅格图例注册颜色表获取委托
GeoDo.RSS.Layout.RasterLegendElement.RasterLegendItemsGetter = (colorTableName) =>
{
ProductColorTable colorTable = ProductColorTableFactory.GetColorTable(colorTableName);
if (colorTable == null)
{
return(null);
}
List <LegendItem> items = new List <LegendItem>();
foreach (ProductColor c in colorTable.ProductColors)
{
if (!c.DisplayLengend)
{
continue;
}
string txt = c.LableText;
items.Add(new LegendItem(txt, c.Color));
}
return(items.Count > 0 ? items.ToArray() : null);
};
}
private bool CheckMemory(string strRasName)
{
float availableSize = PerformanceMonitoring.GetAvailableRAM();
if (availableSize < 0)
{
return(true);
}
int memoryOfTile, tileCount;
float requiredSize = RasterDrawing.EstimateRequiredMemory(strRasName, out memoryOfTile, out tileCount);
IRasterDataProvider prd = GeoDataDriver.Open(strRasName) as IRasterDataProvider;
int nHeight = prd.Height;
int nWidth = prd.Width;
enumDataType dataType = prd.DataType;
int nByteCount = DataTypeHelper.SizeOf(dataType);
requiredSize = requiredSize * 2 + nByteCount * nHeight * nWidth / 1024 / 1024;
if (availableSize < requiredSize + 200)//预留200MB
{
return(false);
}
else //内存碎片的可能性非常大，需要先尝试内存申请能否成功
{
for (int i = 0; i < tileCount; i++)
{
try
{
byte[] tileBuffer = new byte[memoryOfTile];
}
catch
{
return(false);
}
}
try
{
byte[] dataBuffer = new byte[nByteCount * nHeight * nWidth];
}
catch
{
return(false);
}
return(true);
}
}
private void CreatWorldFile(string fileName, ICanvas canvas, int width, int height)
{
if (string.IsNullOrEmpty(fileName))
{
return;
}
if (canvas == null)
{
return;
}
if (canvas.PrimaryDrawObject == null)
{
return;
}
if (width == 0 || height == 0)
{
return;
}
WorldFile wf = new WorldFile();
if (canvas.PrimaryDrawObject.OriginalEnvelope == null)
{
return;
}
RasterDrawing drawing = canvas.PrimaryDrawObject as RasterDrawing;
if (drawing == null)
{
return;
}
if (drawing.DataProvider == null)
{
return;
}
IRasterDataProvider prd = drawing.DataProvider;
if (prd.SpatialRef == null)
{
return;
}
double bmpResolutionX = (prd.CoordEnvelope.MaxX - prd.CoordEnvelope.MinX) / width;
double bmpResolutionY = (prd.CoordEnvelope.MaxY - prd.CoordEnvelope.MinY) / height;
wf.CreatWorldFile(bmpResolutionX, -bmpResolutionY, prd.CoordEnvelope.MinX, prd.CoordEnvelope.MaxY, fileName);
wf.CreatXmlFile(prd.SpatialRef, fileName);
}
public static bool MemoryIsEnoughForRaster(string rasterFileName)
{
float availableSize = PerformanceMonitoring.GetAvailableRAM();
if (availableSize < 0)
{
return(true);
}
int memoryOfTile, tileCount;
float requiredSize = RasterDrawing.EstimateRequiredMemory(rasterFileName, out memoryOfTile, out tileCount);
int countOfDrawing = 0;
float memoryOfLoading = GetMemoryOfTileLoading(out countOfDrawing);
//Console.WriteLine("AvailableSize:" + availableSize.ToString() + " , RequiredSize:" + requiredSize.ToString() + " , SizeOfLoading:" + memoryOfLoading.ToString());
availableSize -= memoryOfLoading;
int host_min_mem_size = HOST_MIN_MEMORY_SIZE;
if (countOfDrawing == 0)
{
host_min_mem_size = 0;
}
if (availableSize < requiredSize + host_min_mem_size)//预留200MB
{
return(false);
}
else if (availableSize < requiredSize)//内存碎片的可能性非常大，需要先尝试内存申请能否成功
{
for (int i = 0; i < tileCount; i++)
{
try
{
byte[] tileBuffer = new byte[memoryOfTile];
}
catch
{
Console.WriteLine("内存空间足够，但因内存碎片无法申请成功空间。");
return(false);
}
}
return(true);
}
else
{
return(true);
}
}
/// <summary>
///
/// </summary>
/// <param name="session"></param>
/// <param name="canvas"></param>
/// <param name="fname"></param>
/// <param name="args">
/// 支持各种类型的多个参数
/// 其中string[]类型的数据会作为RasterDrawing的options
/// </param>
/// <returns></returns>
public static IRasterLayer CreateAndLoadRasterLayer(ISmartSession session, ICanvas canvas, string fname, params object[] args)
{
//bool isImage = IsImage(fname);
//IRasterDrawing drawing = new RasterDrawing(fname, canvas, isImage ? null : GetStretcherProvider(args));
string[] options = GetOptions(args);
IRasterDrawing drawing = new RasterDrawing(fname, canvas, GetStretcherProvider(args), options);
//此处应走配置文件
drawing.SelectedBandNos = GetDefaultBands(drawing);
if (args != null && args.Length == 1 && args[0] is int[])
{
drawing.SelectedBandNos = (int[])args[0];
}
IRasterLayer rstLayer = new RasterLayer(drawing);
canvas.LayerContainer.Layers.Add(rstLayer);
canvas.PrimaryDrawObject = drawing;
canvas.CurrentEnvelope = drawing.OriginalEnvelope;
int w = drawing.DataProvider.Width;
int h = drawing.DataProvider.Height;
//小图像不显示进度条
int times = drawing.GetOverviewLoadTimes();
if (times == -1)
{
drawing.StartLoading(null);
return(rstLayer);
}
string tipstring = "正在读取文件\"" + Path.GetFileName(fname) + "\"...";
try
{
session.ProgressMonitorManager.DefaultProgressMonitor.Reset(tipstring, times);
session.ProgressMonitorManager.DefaultProgressMonitor.Start(false);
drawing.StartLoading((t, p) =>
{
session.ProgressMonitorManager.DefaultProgressMonitor.Boost(p, tipstring);
});
}
finally
{
session.ProgressMonitorManager.DefaultProgressMonitor.Finish();
}
return(rstLayer);
}
private void button15_Click(object sender, EventArgs e)
{
IDataFrame df = _host.ActiveDataFrame;
if (df == null)
{
return;
}
string fname = null;
using (OpenFileDialog dlg = new OpenFileDialog())
{
if (dlg.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
fname = dlg.FileName;
}
else
{
return;
}
}
ICanvas canvas = (df.Provider as IDataFrameDataProvider).Canvas;
IRasterDrawing drawing = new RasterDrawing(fname, canvas, null);
drawing.SelectedBandNos = GetDefaultBands(drawing);
IRasterLayer lyr = new RasterLayer(drawing);
canvas.LayerContainer.Layers.Add(lyr);
canvas.PrimaryDrawObject = drawing;
canvas.CurrentEnvelope = drawing.OriginalEnvelope;
// AddVectorHost(canvas);
drawing.StartLoading(null);
canvas.Refresh(enumRefreshType.All);
//
fname = @"F:\产品与项目\MAS-II\源代码0618-night\【控制】UI框架\SMART\bin\Release\数据引用\基础矢量\矢量地图\world.mcd";
IVectorHostLayer vHost = new VectorHostLayer(null);
vHost.IsEnableDummyRender = false;
canvas.LayerContainer.Layers.Add(vHost as ILayer);
canvas.Refresh(enumRefreshType.All);
//
_host.Render();
}
private void AddRasterLayer(string strRasName)
{
if (_isOnlyOneImg)
{
bool memoryIsEnough = CheckMemory(strRasName);
if (!memoryIsEnough)
{
MsgBox.ShowInfo("系统可用内存不足以对以下文件执行几何精校正操作。\n\n" + strRasName);
return;
}
}
IRasterDrawing drawing = new RasterDrawing(strRasName, canvasHost1.Canvas, GetRgbStretcherProvider(strRasName));
drawing.SelectedBandNos = GetDefaultBands(drawing);
IRasterLayer rstLayer = new RasterLayer(drawing);
canvasHost1.Canvas.LayerContainer.Layers.Add(rstLayer);
canvasHost1.Canvas.PrimaryDrawObject = drawing;
canvasHost1.Canvas.CurrentEnvelope = drawing.OriginalEnvelope;
int times = drawing.GetOverviewLoadTimes();
if (times == -1)
{
drawing.StartLoading(null);
return;
}
string tipstring = "正在读取文件\"" + Path.GetFileName(_strRasterName) + "\"...";
try
{
_smartSession.ProgressMonitorManager.DefaultProgressMonitor.Reset(tipstring, times);
_smartSession.ProgressMonitorManager.DefaultProgressMonitor.Start(false);
drawing.StartLoading((t, p) =>
{
_smartSession.ProgressMonitorManager.DefaultProgressMonitor.Boost(p, tipstring);
});
}
finally
{
_smartSession.ProgressMonitorManager.DefaultProgressMonitor.Finish();
}
}
private void AddRasterLayer(string strRasName, ICanvas canvas, double minValue, double maxValue)
{
IRasterDrawing drawing = new RasterDrawing(strRasName, canvas, GetRgbStretcherProvider(strRasName));
drawing.SelectedBandNos = GetDefaultBands(drawing);
Color[] colors = GetDefColors(200);
ColorMapTable <double> colorTable = GetColorTable(colors, maxValue, minValue);
if (colorTable == null)
{
return;
}
drawing.ApplyColorMapTable(colorTable);
IRasterLayer rstLayer = new RasterLayer(drawing);
canvas.LayerContainer.Layers.Add(rstLayer);
canvas.PrimaryDrawObject = drawing;
canvas.CurrentEnvelope = drawing.OriginalEnvelope;
int times = drawing.GetOverviewLoadTimes();
if (times == -1)
{
drawing.StartLoading(null);
return;
}
string tipstring = "正在读取文件\"" + Path.GetFileName(strRasName) + "\"...";
try
{
_smartSession.ProgressMonitorManager.DefaultProgressMonitor.Reset(tipstring, times);
_smartSession.ProgressMonitorManager.DefaultProgressMonitor.Start(false);
drawing.StartLoading((t, p) =>
{
_smartSession.ProgressMonitorManager.DefaultProgressMonitor.Boost(p, tipstring);
});
}
finally
{
_smartSession.ProgressMonitorManager.DefaultProgressMonitor.Finish();
}
}
private void CreateCanvasViewer(string fname)
{
CanvasViewer cv = new CanvasViewer(OpenFileFactory.GetTextByFileName(fname), _session);
cv.Tag = fname;
_session.SmartWindowManager.DisplayWindow(cv);
RasterLayerBuilder.CreateAndLoadRasterLayer(_session, cv.Canvas, fname);
//自动翻转升轨数据
RasterDrawing drawing = cv.ActiveObject as RasterDrawing;
if (drawing != null && drawing.DataProvider != null)
{
DataIdentify idt = drawing.DataProvider.DataIdentify;
if (idt != null && idt.IsOrbit && idt.IsAscOrbitDirection)
{
cv.Canvas.IsReverseDirection = true;
cv.Canvas.Refresh(Core.DrawEngine.enumRefreshType.RasterLayer);
}
}
//轨道数据自动全屏显示
(cv.Canvas as Canvas).SetToFitWidth();
}
private void btnCreateRasterDrawing_Click(object sender, EventArgs e)
{
string fname = null;
using (OpenFileDialog dlg = new OpenFileDialog())
{
dlg.Filter = "(*.ldf)|*.ldf";
if (dlg.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
fname = dlg.FileName;
}
else
{
return;
}
}
string ops = null;
if (fname.EndsWith(".txt"))
{
ops = "ComponentID=0000000";
}
IRasterDrawing drawing = new RasterDrawing(fname, _canvas, null, ops);
drawing.LoadingSubscribers.Add(this);
drawing.SelectedBandNos = new int[] { 1, 2, 3 };
IRasterLayer lyr = new RasterLayer(drawing);
_canvas.LayerContainer.Layers.Add(lyr);
_canvas.PrimaryDrawObject = drawing;
_canvas.CurrentEnvelope = drawing.OriginalEnvelope;
drawing.StartLoading((t, p) => { Text = p.ToString() + "/" + t.ToString(); });
_canvas.Refresh(enumRefreshType.All);
_rasterLayer = lyr;
//_canvas.OnEnvelopeChanged += new EventHandler(CanvasEnvelopeChanged);
}
