/// <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 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();
}
}