public void AddFeatureToListView(CodeCell.AgileMap.Core.Feature fet)
{
ListViewItem it = fet.ToListViewItem();
if (it != null)
{
it.Tag = fet;
listView1.Items.Add(it);
}
}
private CodeCell.AgileMap.Core.Feature ToFeature(int[] aoi,
CodeCell.AgileMap.Core.Shape shape, string[] fieldNames)
{
string[] fieldValues = new string[fieldNames.Length];
fieldValues[0] = OID.ToString();
fieldValues[1] = aoi.Length.ToString();
fieldValues[2] = StatArea(aoi).ToString("0.##");
CodeCell.AgileMap.Core.Feature fet = new CodeCell.AgileMap.Core.Feature(OID, shape, fieldNames, fieldValues, null);
OID++;
return(fet);
}
private CodeCell.AgileMap.Core.Feature ToFeature(Shape shape, double[] statAreas)
{
string[] fieldValues = new string[_fieldNames.Length];
fieldValues[0] = OID.ToString();
for (int i = 0; i < statAreas.Length; i++)
{
fieldValues[i + 1] = statAreas[i].ToString("0.###");
}
CodeCell.AgileMap.Core.Feature fet = new CodeCell.AgileMap.Core.Feature(OID, shape, _fieldNames, fieldValues, null);
OID++;
return(fet);
}
public static ListViewItem ToListViewItem(this CodeCell.AgileMap.Core.Feature fet)
{
string[] values = fet.FieldValues;
if (values == null || values.Length == 0)
{
return(null);
}
ListViewItem it = new ListViewItem(values[0]);
for (int i = 1; i < values.Length; i++)
{
it.SubItems.Add(values[i]);
}
return(it);
}
private void StatFilterAreas()
{
ICurrentRasterInteractiver inter = _session.SmartWindowManager.ActiveCanvasViewer as ICurrentRasterInteractiver;
if (inter != null)
{
inter.StartAOIDrawing(GetPencilType(), (aoi, shape) =>
{
string layerName = "System:StatArea";
ILabelLayer lyr = GetLabelLayer((_activeViewer as ICurrentRasterInteractiver), layerName, _fieldNames);
if (lyr != null)
{
Dictionary <string, double> areas = StatArea(aoi, _filters);
_layerName = layerName;
//ApplyColor(lyr);
//lyr.LabelDef.Fieldname = "面积(平方公里)";
ApplyColor(lyr);
lyr.LabelDef.Fieldname = _fieldNames[1];
lyr.LabelDef.EnableLabeling = true;
CodeCell.AgileMap.Core.Feature fet = null;
try
{
fet = ToFeature(shape, areas.Values.ToArray());
}
catch (Exception ex)
{
_session.PrintMessage(ex);
}
if (fet != null)
{
lyr.AddFeature(fet);
AddFeatureToListView(fet);
}
}
});
}
}
private void SataSimpleArea()
{
string[] lstViewfieldNames = new string[] { "名称", "像元个数", "面积(平方公里)" };
string[] fieldNames = new string[] { "name", "pixelcount", "area" };
UpdateHeadersOfListView(lstViewfieldNames);
ICurrentRasterInteractiver inter = _activeViewer as ICurrentRasterInteractiver;
if (inter != null)
{
//inter
inter.StartAOIDrawing(GetPencilType(), (aoi, shape) =>
{
string layerName = "System:StatArea";
ILabelLayer lyr = GetLabelLayer((_activeViewer as ICurrentRasterInteractiver), layerName, fieldNames);
if (lyr != null)
{
_layerName = layerName;
ApplyColor(lyr);
lyr.LabelDef.Fieldname = "area";
CodeCell.AgileMap.Core.Feature fet = null;
try
{
fet = ToFeature(aoi, shape, fieldNames);
}
catch (Exception ex)
{
_session.PrintMessage(ex);
}
if (fet != null)
{
lyr.AddFeature(fet);
AddFeatureToListView(fet);
}
}
});
}
}
public void Render(bool enableDisplayLevel, QuickTransformArgs quickTransformArgs, IGrid gd, Graphics g, Envelope rect, RepeatFeatureRecorder recorder)
{
if (g == null)
{
return;
}
_currentFeatureRects.Clear();
List <Feature> features = gd.VectorFeatures;
if (features == null || features.Count == 0)
{
return;
}
_quickTransformArgs = quickTransformArgs;
int fetCount = features.Count;
Feature feature = null;
IOutsideIndicator outsideIndicator = null;
bool isfullInside = (gd as Grid)._isfullInternal;
for (int i = 0; i < fetCount; i++)
{
feature = features[i];
if (feature == null || feature.Geometry == null)
{
continue;
}
outsideIndicator = feature.OutsideIndicator;// (feature as ISupportOutsideIndicator).OutsideIndicator;
//判断是否在该级别显示
if (enableDisplayLevel && feature.DisplayLevel != -1)
{
if (feature.DisplayLevel > _environment.CurrentLevel)
{
outsideIndicator.SetOutside(true);
continue;
}
}
//可见性计算
if (!isfullInside)
{
if (feature.Geometry is ShapePoint)
{
outsideIndicator.SetOutside(!IsPointInCurrentExtent(feature, rect));
}
else //Polyline,Polygon
{
outsideIndicator.SetOutside(!IsPolygonInCurrentExtent(feature, rect));
}
if (outsideIndicator.IsOutside)
{
continue;
}
}
else//整个网格都在可视区域内部
{
outsideIndicator.SetOutside(false);
}
//是否已经在其他网格绘制过了
if (feature.IsRepeatedOverGrids)
{
if (recorder.IsRendered(feature.OID))
{
continue;
}
else
{
recorder.AddRenderedOID(feature.OID);
}
}
//为要素设置绘制符号
SetCurrentSymbolFromFeature(feature);
if (_currentSymbol == null)
{
continue;
}
//为符号设置角度
SetAngleOfSymbol(feature);
//画几何形状
try
{
if (feature.Geometry is ShapePoint)
{
PointF pt = ShapePoint2PixelPoint(feature.Geometry as ShapePoint);
//位置冲突检测
if (_environment != null)
{
IConflictor conflictorForSymbol = _environment.ConflictorForSymbol;
if (conflictorForSymbol != null && conflictorForSymbol.Enabled)
{
//符号冲突
if (conflictorForSymbol.IsConflicted(pt.X - _currentSymbol.SymbolHalfWidth,
pt.Y - _currentSymbol.SymbolHalfHeight,
_currentSymbol.SymbolSize))
{
outsideIndicator.SetOutside(true);
continue;
}
}
}
//画符号
DrawPointUseCurrentSymbol(g, pt);
//记下要素符号矩形区域
_currentFeatureRects.Add(feature, new RectangleF((_currentSymbol as IMarkerSymbol).PixelLocation, _currentSymbol.SymbolSize));
//符号不冲突，在标注冲突检测网格中占位
#region debug
//符号矩形
//PointF tpt = new PointF((pt.X - _currentSymbol.SymbolSize.Width / 2f),
// (pt.Y - _currentSymbol.SymbolSize.Height / 2f));
//(_environment.ConflictorForLabel as PixelConflictor).DrawTestRectangleF(tpt, _currentSymbol.SymbolSize, Color.Yellow);
#endregion
if (_environment != null)
{
if (_environment.ConflictorForLabel != null && _environment.ConflictorForLabel.Enabled)
{
_environment.ConflictorForLabel.HoldPosition((pt.X - _currentSymbol.SymbolSize.Width / 2f),
(pt.Y - _currentSymbol.SymbolSize.Height / 2f),
_currentSymbol.SymbolSize);
}
}
}
else //Polyline,Polygon
{
SetGraphicsPathFromGeometry(feature.Geometry);
if (_path.PointCount > 0)
{
DrawPathUseCurrentSymbol(g);
_currentFeatureRects.Add(feature, RectangleF.Empty);
}
}
}
catch (Exception ex)
{
Log.WriterException("BaseFeatureRenderer", "Render(Layer:" + (_name != null ?_name : string.Empty) + ",OID:" + feature.OID.ToString() + ")", ex);
}
finally
{
_currentSymbol.Angle = 0;
}
}
}
protected abstract void SetCurrentSymbolFromFeature(Feature feature);
