/// <summary> /// 获取图层对应的所有标志字段 /// </summary> /// <param name="pfLayer">图层</param> /// <param name="sArrFields">所有标志字段</param> /// <returns>是否存在分层字段</returns> public static bool GetUniqueFields(IFeatureLayer pfLayer, out string[] sArrFields) { IGeoFeatureLayer pGeoFLayer = pfLayer as IGeoFeatureLayer; IFeatureRenderer pfRenderer = pGeoFLayer.Renderer; if (pfRenderer is IUniqueValueRenderer) { IUniqueValueRenderer pUVRenderer = pfRenderer as IUniqueValueRenderer; int nFieldCount = pUVRenderer.FieldCount; sArrFields = new string[nFieldCount]; // 一般nFieldCount为1,在特殊情况下为多个域,此时value的值由分割符',' 或'|'等分割 for (int i = 0; i < nFieldCount; i++) { sArrFields[i] = pUVRenderer.get_Field(i); } return(true); } sArrFields = null; return(false); }
private void cmbInlayer_SelectedIndexChanged(object sender, EventArgs e) { cmbfield1.Items.Clear(); ILayer playermap = ClsGDBDataCommon.GetLayerFromName(pMapControl.Map, cmbInlayer.Text); if (playermap is IFeatureLayer) { IFeatureLayer pfeaturelayer = (IFeatureLayer)playermap; IGeoFeatureLayer pGeofeaturelayer = (IGeoFeatureLayer)pfeaturelayer; if (pGeofeaturelayer.Renderer is IUniqueValueRenderer) { pInLayer = playermap; pInFLayer = (IFeatureLayer)pInLayer; pInGeoFLayer = (IGeoFeatureLayer)pInFLayer; pUniquerend = pInGeoFLayer.Renderer as IUniqueValueRenderer; } } if (pUniquerend.FieldCount == 1) { cmbfield2.Enabled = false; cmbfield3.Enabled = false; ITable pTbale = pLayer as ITable; IFields pFields = pTbale.Fields; for (int i = 2; i < pFields.FieldCount; i++) { cmbfield1.Items.Add(pFields.get_Field(i).Name); } string uniquefield = pUniquerend.get_Field(0); if (cmbfield1.Items.Contains(uniquefield)) { cmbfield1.Text = uniquefield; } else { MessageBox.Show("当前图层中不包含导入符号图层的独立值字段", "提示", MessageBoxButtons.OK); //this.Close(); } } }
public void processFeatureLayer(ILayer lyr) { type = "Vektor"; fillLayerProps(lyr); fillDatalayerProps(lyr); IFeatureLayer flyr = lyr as IFeatureLayer; fillDefQueryProps(flyr); processJoins(flyr); processRelates(flyr); IGeoFeatureLayer gflyr = flyr as IGeoFeatureLayer; if (gflyr.DisplayAnnotation == true) { IAnnotateLayerPropertiesCollection labelPropsColl = gflyr.AnnotationProperties; for (int collIndex = 0; collIndex < labelPropsColl.Count; collIndex++) { IAnnotateLayerProperties annoLayerProps; IElementCollection elCol1; IElementCollection elCol2; labelPropsColl.QueryItem(collIndex, out annoLayerProps, out elCol1, out elCol2); string sql = annoLayerProps.WhereClause; ILabelEngineLayerProperties2 labelEngineProps = (ILabelEngineLayerProperties2)annoLayerProps; string expr = labelEngineProps.Expression; this.label = this.label + sql + "?" + expr + "/"; } } this.label = this.label.TrimEnd('/'); IFeatureRenderer rend = gflyr.Renderer; if (rend is IUniqueValueRenderer) { string felder = ""; IUniqueValueRenderer u = rend as IUniqueValueRenderer; for (int i = 0; i < u.FieldCount; i++) { felder = felder + u.get_Field(i) + "/"; } symbfields = felder.TrimEnd('/') + " (UniqueValueRenderer)"; } else if (rend is IProportionalSymbolRenderer) { IProportionalSymbolRenderer prop = rend as IProportionalSymbolRenderer; symbfields = prop.Field + " (ProportionalSymbolRenderer)"; } else if (rend is IClassBreaksRenderer) { IClassBreaksRenderer cl = rend as IClassBreaksRenderer; symbfields = cl.Field + " (ClassBreaksRenderer)";; } else if (rend is ISimpleRenderer) { symbfields = "kein Feld (SimpleRenderer)"; } else { symbfields = "unbekannter Renderer"; } }
private static void AddSymbolNode(TreeNodeComLayer tnComLayer, object renderer) { int index; LogicBaseTree logicBT = new LogicBaseTree(); ImageCollection treeImages = logicBT.TreeList.StateImageList as ImageCollection; if (renderer is SimpleRenderer) { ISimpleRenderer simpleRenderer = (ISimpleRenderer)renderer; ISymbol symbol = simpleRenderer.Symbol; Image img = ConvertSymbolToImage.Convert(symbol, 16, 16); index = treeImages.Images.Add(img); //img.Save("d:\\" + index + ".JPG"); string label = simpleRenderer.Label; TreeNodeSymbol tnSymbol = new TreeNodeSymbol() { Name = label, CustomValue = symbol }; tnSymbol.ImageIndex = index; tnComLayer.Add(tnSymbol); } else if (renderer is UniqueValueRenderer) { string renderLabel = ""; IUniqueValueRenderer uniqueValueRenderer = renderer as IUniqueValueRenderer; for (int i = 0; i < uniqueValueRenderer.FieldCount - 1; i++) { renderLabel += uniqueValueRenderer.get_Field(i) + " /"; } renderLabel += uniqueValueRenderer.get_Field(uniqueValueRenderer.FieldCount - 1);//FieldCount为地物分类数 //getImage(esriGeometryType.esriGeometryPolygon, Color.White).Save("D:\\111.jpg"); index = treeImages.Images.Add(getImage(esriGeometryType.esriGeometryPolygon, Color.White)); TreeNodeSymbol tnChartNode = new TreeNodeSymbol() { Name = renderLabel, CustomValue = uniqueValueRenderer }; tnChartNode.ImageIndex = index; tnComLayer.Add(tnChartNode); for (int i = 0; i < uniqueValueRenderer.ValueCount; i++)//ValueCount为地物分类下的设施种类数 { ISymbol symbol = uniqueValueRenderer.get_Symbol(uniqueValueRenderer.get_Value(i)); Image img = ConvertSymbolToImage.Convert(symbol, 16, 16); //img.Save("D:\\121121.jpg"); index = treeImages.Images.Add(img); TreeNodeSymbol tnSymbol = new TreeNodeSymbol() { Name = uniqueValueRenderer.get_Label(uniqueValueRenderer.get_Value(i)), CustomValue = symbol }; tnSymbol.ImageIndex = index; tnComLayer.Add(tnSymbol); } if (uniqueValueRenderer.UseDefaultSymbol) { ISymbol symbol = uniqueValueRenderer.DefaultSymbol; Image img = ConvertSymbolToImage.Convert(symbol, 16, 16); index = treeImages.Images.Add(img); TreeNodeSymbol tnSymbol = new TreeNodeSymbol() { Name = uniqueValueRenderer.DefaultLabel, CustomValue = symbol }; tnSymbol.ImageIndex = index; tnComLayer.Add(tnSymbol); } } else if (renderer is IChartRenderer) { IChartRenderer chartRenderer = renderer as IChartRenderer; IRendererFields pFields = chartRenderer as IRendererFields; string renderLabel = ""; for (int i = 0; i < pFields.FieldCount - 1; i++) { renderLabel += pFields.get_FieldAlias(i) + " /"; } renderLabel += pFields.get_FieldAlias(pFields.FieldCount - 1); index = treeImages.Images.Add(getImage(esriGeometryType.esriGeometryPolygon, Color.White)); TreeNodeSymbol tnChartNode = new TreeNodeSymbol() { Name = renderLabel, CustomValue = chartRenderer }; tnChartNode.ImageIndex = index; tnComLayer.Add(tnChartNode); ISymbolArray symArray = chartRenderer.ChartSymbol as ISymbolArray; for (int i = 0; i < symArray.SymbolCount; i++) { ISymbol symbol = symArray.get_Symbol(i); Image img = ConvertSymbolToImage.Convert(symbol, 16, 16); index = treeImages.Images.Add(img); TreeNodeSymbol tnSymbol = new TreeNodeSymbol() { Name = pFields.get_FieldAlias(i), CustomValue = symbol }; tnSymbol.ImageIndex = index; tnComLayer.Add(tnSymbol); } } else if (renderer is IClassBreaksRenderer) { IClassBreaksRenderer classRenderer = renderer as IClassBreaksRenderer; index = treeImages.Images.Add(getImage(esriGeometryType.esriGeometryPolygon, Color.White)); TreeNodeSymbol tnChartNode = new TreeNodeSymbol() { Name = classRenderer.Field, CustomValue = classRenderer }; tnChartNode.ImageIndex = index; tnComLayer.Add(tnChartNode); for (int i = 0; i < classRenderer.BreakCount; i++) { ISymbol symbol = classRenderer.get_Symbol(i); Image img = ConvertSymbolToImage.Convert(symbol, 16, 16); index = treeImages.Images.Add(img); TreeNodeSymbol tnSymbol = new TreeNodeSymbol() { Name = classRenderer.get_Label(i), CustomValue = symbol }; tnSymbol.ImageIndex = index; tnComLayer.Add(tnSymbol); } } else if (renderer is IRasterRenderer) { if (renderer is IRasterClassifyColorRampRenderer) { //MessageBox.Show("IRasterClassifyColorRampRenderer"); } else if (renderer is IRasterUniqueValueRenderer) { //MessageBox.Show("IRasterUniqueValueRenderer"); } else if (renderer is IRasterStretchColorRampRenderer) { ////MessageBox.Show("IRasterStretchColorRampRenderer"); IRasterStretchColorRampRenderer pRSCRR = renderer as IRasterStretchColorRampRenderer; index = treeImages.Images.Add(getImage(esriGeometryType.esriGeometryPolygon, Color.White)); TreeNodeSymbol tnChartNode = new TreeNodeSymbol() { Name = "<Value>", CustomValue = pRSCRR }; tnChartNode.ImageIndex = index; tnComLayer.Add(tnChartNode); if (pRSCRR.ColorRamp.Size >= 3) { IEnumColors colors = pRSCRR.ColorRamp.Colors; colors.Reset(); IColor c = colors.Next(); Color[] cArray = new Color[3]; int count = 0; while (c != null) { count++; if (count == 1) { cArray[0] = Color.FromArgb(c.RGB); } else if (count == pRSCRR.ColorRamp.Size / 2) { cArray[1] = Color.FromArgb(c.RGB); } else if (count == pRSCRR.ColorRamp.Size) { cArray[2] = Color.FromArgb(c.RGB); } c = colors.Next(); } for (int i = 0; i < 3; i++) { Image img = getImage(esriGeometryType.esriGeometryPolygon, cArray[i]); index = treeImages.Images.Add(img); string label = ""; if (i == 0) { label = pRSCRR.LabelLow; } else if (i == 1) { label = pRSCRR.LabelMedium; } else if (i == 2) { label = pRSCRR.LabelHigh; } TreeNodeSymbol tnSymbol = new TreeNodeSymbol() { Name = label, CustomValue = cArray[i] }; tnSymbol.ImageIndex = index; tnComLayer.Add(tnSymbol); } } } else if (renderer is IRasterRGBRenderer) { //MessageBox.Show("IRasterRGBRenderer"); } else if (renderer is IRasterColormap) { //MessageBox.Show("IRasterColormap"); } else { //MessageBox.Show("未处理的IRasterRenderer类型: " + renderer.GetType().FullName); } } else if (renderer is ITinRenderer) { if (renderer is ITinColorRampRenderer) { ////MessageBox.Show("ITinColorRampRenderer"); ITinColorRampRenderer pTCRR = renderer as ITinColorRampRenderer; index = treeImages.Images.Add(getImage(esriGeometryType.esriGeometryPolygon, Color.White)); TreeNodeSymbol tnChartNode = new TreeNodeSymbol() { Name = "Elevation", CustomValue = pTCRR }; tnChartNode.ImageIndex = index; tnComLayer.Add(tnChartNode); for (int i = 0; i < pTCRR.BreakCount; i++) { ISymbol symbol = pTCRR.get_Symbol(i); Image img = ConvertSymbolToImage.Convert(symbol, 16, 16); index = treeImages.Images.Add(img); TreeNodeSymbol tnSymbol = new TreeNodeSymbol() { Name = pTCRR.get_Label(i), CustomValue = symbol }; tnSymbol.ImageIndex = index; tnComLayer.Add(tnSymbol); } } else if (renderer is ITinUniqueValueRenderer) { ////MessageBox.Show("ITinUniqueValueRenderer"); ITinUniqueValueRenderer pTUVR = renderer as ITinUniqueValueRenderer; index = treeImages.Images.Add(getImage(esriGeometryType.esriGeometryPolygon, Color.White)); TreeNodeSymbol tnChartNode = new TreeNodeSymbol() { Name = "Elevation", CustomValue = pTUVR }; tnChartNode.ImageIndex = index; tnComLayer.Add(tnChartNode); for (int i = 0; i < pTUVR.ValueCount; i++) { string val = pTUVR.get_Value(i); ISymbol symbol = pTUVR.get_Symbol(val); Image img = ConvertSymbolToImage.Convert(symbol, 16, 16); index = treeImages.Images.Add(img); TreeNodeSymbol tnSymbol = new TreeNodeSymbol() { Name = pTUVR.get_Label(val), CustomValue = symbol }; tnSymbol.ImageIndex = index; tnComLayer.Add(tnSymbol); } if (pTUVR.UseDefaultSymbol) { ISymbol symbol = pTUVR.DefaultSymbol; Image img = ConvertSymbolToImage.Convert(symbol, 16, 16); index = treeImages.Images.Add(img); TreeNodeSymbol tnSymbol = new TreeNodeSymbol() { Name = pTUVR.DefaultLabel, CustomValue = symbol }; tnSymbol.ImageIndex = index; tnComLayer.Add(tnSymbol); } } else if (renderer is ITinSingleSymbolRenderer) { ////MessageBox.Show("ITinSingleSymbolRenderer"); ITinSingleSymbolRenderer pTSSR = renderer as ITinSingleSymbolRenderer; ISymbol symbol = pTSSR.Symbol; Image img = ConvertSymbolToImage.Convert(symbol, 16, 16); index = treeImages.Images.Add(img); TreeNodeSymbol tnSymbol = new TreeNodeSymbol() { Name = pTSSR.Label, CustomValue = symbol }; tnSymbol.ImageIndex = index; tnComLayer.Add(tnSymbol); } else { //MessageBox.Show("未处理的ITinRenderer类型: " + renderer.GetType().FullName); } } else { //MessageBox.Show("未处理的Renderer类型: " + renderer.GetType().FullName); } }