public static StatContent[] LoadStatContents()
{
string filename = System.AppDomain.CurrentDomain.BaseDirectory + FileName;
XElement xml = XElement.Load(filename);
IEnumerable <XElement> xStatContents = xml.Elements("StatContent");
List <StatContent> statItems = new List <StatContent>();
foreach (XElement item in xStatContents)
{
string identify = item.Attribute("identify").Value;
string filter = item.Attribute("layerfilter").Value;
Dictionary <string, int> statItem = ParseStatItem(item);
StatContent statContent = new StatContent();
statContent.Identify = identify;
statContent.LayerFilter = filter;
statContent.StatItems = statItem;
statItems.Add(statContent);
}
return(statItems.ToArray());
}
private ICanvasViewer _activeViewer = null;//用于统计的窗口windows。
/// <summary>
/// 窗口切换
/// </summary>
/// <param name="sender"></param>
/// <param name="oldWindow"></param>
/// <param name="newWindow"></param>
void ActiveWindowChanged(object sender, ISmartWindow oldWindow, ISmartWindow newWindow)
{
_extractedPixels = null;
if (newWindow == null || !(newWindow is ICanvasViewer))
{
return;
}
if (_activeViewer == newWindow)
{
return;
}
if (_filters != null)
{
_filters.Clear();
}
if (_activeViewer != null)
{
if (oldWindow != null && oldWindow is ICanvasViewer)
{
ClearFeature(oldWindow as ICanvasViewer);
}
else
{
ClearFeature(_activeViewer);
}
_activeViewer.Canvas.Refresh(enumRefreshType.VectorLayer);
}
_activeViewer = newWindow as ICanvasViewer;
_activeViewer.OnWindowClosed =
(wSender, e) =>
{
Free();
_activeViewer = null;
};
StatContent statContent = null;
GeoDo.RSS.Core.DrawEngine.ILayer[] layers = _activeViewer.Canvas.LayerContainer.Layers.ToArray();
foreach (GeoDo.RSS.Core.DrawEngine.ILayer layer in layers)
{
if (layer is BinaryBitmapLayer)//二值图层
{
IExtractingSession se = (_session.MonitoringSession as MonitoringSession).ExtractingSession;
_extractedPixels = se.GetBinaryValuesMapper(se.CurrentProduct.Identify, se.CurrentSubProduct.Identify);
if (_extractedPixels == null)
{
continue;
}
string layerName = layer.Name;
statContent = FeatureListStatConfig.MatchStatContent(layerName);
}
else if (layer is IRasterLayer)
{
IRasterLayer rasterLayer = layer as IRasterLayer;
if (rasterLayer == null)
{
continue;
}
IRasterDrawing rasterDrawing = rasterLayer.Drawing as IRasterDrawing;
if (rasterDrawing == null)
{
continue;
}
string layerName = layer.Name;
statContent = FeatureListStatConfig.MatchStatContent(layerName);
}
}
if (statContent != null)
{
Dictionary <string, Func <short, bool> > filters = new Dictionary <string, Func <short, bool> >();
Dictionary <string, int> sataItems = statContent.StatItems;
string[] statKeys = sataItems.Keys.ToArray();
int[] statValues = sataItems.Values.ToArray();
for (int i = 0; i < statKeys.Length; i++)
{
string key = statKeys[i];
int value = statValues[i];
filters.Add(key, (val) => { return(val == value); });
}
InitStatContent(filters);
}
if (_filters == null || _filters.Count == 0)
{
SataSimpleArea();
}
else
{
StatFilterAreas();
}
}