private static void MapUsingSimpleFillRenderer()
{
string layerName = CboLayers.GetSelectedLayer();
ILayer layer = GetLayerByName(layerName);
string colorName = CboColors.GetSelectedColor();
ICmykColor fillColor = ColorbrewerExtension.GetSingleCMYKColor();
ISimpleFillSymbol fill = new SimpleFillSymbol();
fill.Style = esriSimpleFillStyle.esriSFSSolid;
fill.Color = fillColor;
ISimpleRenderer simpleRenderer = new SimpleRenderer();
simpleRenderer.Symbol = fill as ISymbol;
simpleRenderer.Label = layer.Name;
IGeoFeatureLayer gFLayer = layer as IGeoFeatureLayer;
gFLayer.Renderer = simpleRenderer as IFeatureRenderer;
IMxDocument mxDoc = ArcMap.Application.Document as IMxDocument;
IMap map = mxDoc.FocusMap;
mxDoc.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography
, gFLayer, mxDoc.ActiveView.Extent);
}
private static void MapUsingSimpleMarkerRenderer()
{
string layerName = CboLayers.GetSelectedLayer();
ILayer layer = GetLayerByName(layerName);
string colorName = CboColors.GetSelectedColor();
ICmykColor markerColor = ColorbrewerExtension.GetSingleCMYKColor();
ISimpleMarkerSymbol marker = new SimpleMarkerSymbol();
marker.Style = esriSimpleMarkerStyle.esriSMSCircle;
marker.Color = markerColor;
marker.Size = 5;
ISimpleRenderer renderer = new SimpleRenderer();
renderer.Symbol = marker as ISymbol;
renderer.Label = layer.Name;
IGeoFeatureLayer gFLayer = layer as IGeoFeatureLayer;
gFLayer.Renderer = renderer as IFeatureRenderer;
IMxDocument mxDoc = ArcMap.Application.Document as IMxDocument;
IMap map = mxDoc.FocusMap;
mxDoc.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography,
gFLayer, mxDoc.ActiveView.Extent);
mxDoc.UpdateContents();
}
internal static ICmykColor[] GetCmykColors()
{
try
{
string selectedClass = CboClasses.GetSelectedClass();
ICmykColor[] colors = new ICmykColor[Convert.ToInt32(selectedClass)];
int currentIndex = 0;
string selectedColor = CboColors.GetSelectedColor();
System.IO.StreamReader file =
new System.IO.StreamReader(filepath);
string line;
string currentColor = "";
string currentClass = "";
while ((line = file.ReadLine()) != null)
{
if (currentIndex == colors.Length)
{
break;
}
string[] words = line.Split(',');
if (words[0] != "")
{
currentColor = words[0];
}
if (words[1] != "")
{
currentClass = words[1];
}
if (currentColor.Equals(selectedColor) && currentClass.Equals(selectedClass))
{
ICmykColor color = new CmykColorClass();
color.Cyan = Convert.ToInt32(words[6]);
color.Magenta = Convert.ToInt32(words[7]);
color.Yellow = Convert.ToInt32(words[8]);
color.Black = Convert.ToInt32(words[9]);
colors[currentIndex] = color;
currentIndex++;
}
}
return(colors);
}
catch (Exception e)
{
System.Windows.Forms.MessageBox.Show(e.ToString());
LocateCBfile();
return(GetCmykColors());
}
}
private static void MapUsingProportionalSymbolRenderer()
{
ISimpleMarkerSymbol marker = new SimpleMarkerSymbol();
marker.Style = esriSimpleMarkerStyle.esriSMSCircle;
ICmykColor markerColor = ColorbrewerExtension.GetSingleCMYKColor();
marker.Size = 10;
marker.Color = markerColor;
IMxDocument mxDoc = ArcMap.Application.Document as IMxDocument;
IMap map = mxDoc.FocusMap;
string layerName = CboLayers.GetSelectedLayer();
ILayer layer = GetLayerByName(layerName);
IFeatureLayer fLayer = layer as IFeatureLayer;
IFeatureClass fClass = fLayer.FeatureClass as IFeatureClass;
IFeatureCursor cursor = fClass.Search(null, true);
IDataStatistics dataStats = new DataStatisticsClass();
dataStats.Cursor = cursor as ICursor;
string fieldName = CboFields.GetSelectedField();
dataStats.Field = fieldName;
IStatisticsResults statResult = dataStats.Statistics;
IProportionalSymbolRenderer propSymRenderer = new ProportionalSymbolRendererClass();
propSymRenderer.Field = fieldName;
propSymRenderer.MinDataValue = statResult.Minimum == 0.0 ? 1 : statResult.Minimum;
propSymRenderer.MaxDataValue = statResult.Maximum;
propSymRenderer.FlanneryCompensation = true;
propSymRenderer.ValueUnit = esriUnits.esriUnknownUnits;
propSymRenderer.MinSymbol = marker as ISymbol;
propSymRenderer.LegendSymbolCount = 3;
propSymRenderer.CreateLegendSymbols();
IGeoFeatureLayer gFLayer = layer as IGeoFeatureLayer;
gFLayer.Renderer = propSymRenderer as IFeatureRenderer;
mxDoc.ActiveView.Refresh();
mxDoc.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, gFLayer
, mxDoc.ActiveView.Extent);
mxDoc.UpdateContents();
}
public ICmykColor GetCmykColor(int iCyan, int iMagenta, int iYellow, int iBlack, bool bUseWinDithering)
{
try
{
ICmykColor color = null;
color = new CmykColorClass();
iCyan = this.CheckNumValueRegion(iCyan, 0, 0xff);
iMagenta = this.CheckNumValueRegion(iMagenta, 0, 0xff);
iYellow = this.CheckNumValueRegion(iYellow, 0, 0xff);
iBlack = this.CheckNumValueRegion(iBlack, 0, 0xff);
color.Cyan = iCyan;
color.Magenta = iMagenta;
color.Yellow = iYellow;
color.Black = iBlack;
color.UseWindowsDithering = bUseWinDithering;
return(color);
}
catch (Exception exception)
{
this.mErrOpt.ErrorOperate(this.mSubSysName, "FunFactory.ColorFun", "GetCmykColor", exception.GetHashCode().ToString(), exception.Source, exception.Message, "", "", "");
return(null);
}
}
