Exemple #1
0
        internal static void Render()
        {
            if (CboLayers.GetSelectedLayer() == null ||
                CboFields.GetSelectedField() == null ||
                s_selectedRenderer == null ||
                CboColors.GetSelectedColor() == null ||
                CboClasses.GetSelectedClass() == null)
            {
                return;
            }

            switch (s_selectedRenderer)
            {
            case "Simple Marker Renderer":
                MapUsingSimpleMarkerRenderer();
                break;

            case "Proportional Symbol Renderer":
                MapUsingProportionalSymbolRenderer();
                break;

            case "Simple Fill Renderer":
                MapUsingSimpleFillRenderer();
                break;

            case "Classbreaks Renderer":
                MapUsingClassbreaksRenderer();
                break;
            }
        }
        internal static void UpdateCboClasses()
        {
            try
            {
                CboClasses.ClearAllItems();
                string selectedColor = CboColors.GetSelectedColor();
                /* FILEPATH needs to be modified whenever the cb.csv file is moved aka during installation */
                System.IO.StreamReader file =
                    new System.IO.StreamReader(filepath);
                string line;
                string currentColor = "";

                List <string> values = new List <string>();
                while ((line = file.ReadLine()) != null)
                {
                    string[] words = line.Split(',');
                    string   value = "";
                    if (words[0] != "")
                    {
                        currentColor = words[0];
                    }
                    if (currentColor.Equals(selectedColor))
                    {
                        switch (CboRenderers.GetSelectedRenderer())
                        {
                        case "Simple Marker Renderer":
                        case "Simple Fill Renderer":
                        case "Proportional Symbol Renderer":
                            value = words[5];
                            break;

                        case "Classbreaks Renderer":
                            value = words[1];
                            break;
                        }
                        if (!values.Contains(value) && !value.Equals(""))
                        {
                            values.Add(value);
                        }
                    }
                }
                foreach (string value in values)
                {
                    CboClasses.AddItem(value);
                }
            }
            catch (Exception e)
            {
                System.Windows.Forms.MessageBox.Show(e.ToString());
                LocateCBfile();
                UpdateCboClasses();
            }
        }
        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());
            }
        }
        internal static ICmykColor GetSingleCMYKColor()
        {
            try
            {
                ICmykColor color = new CmykColorClass();

                string selectedColor = CboColors.GetSelectedColor();
                string selectedClass = CboClasses.GetSelectedClass();
                /* FILEPATH needs to be modified whenever the cb.csv file is moved aka during installation */
                System.IO.StreamReader file =
                    new System.IO.StreamReader(filepath);
                string line;
                string currentColor = "";
                string currentClass = "";

                while ((line = file.ReadLine()) != null)
                {
                    string[] words = line.Split(',');
                    if (words[0] != "")
                    {
                        currentColor = words[0];
                    }
                    currentClass = words[5];
                    if (currentColor.Equals(selectedColor) && currentClass.Equals(selectedClass))
                    {
                        color.Cyan    = Convert.ToInt32(words[6]);
                        color.Magenta = Convert.ToInt32(words[7]);
                        color.Yellow  = Convert.ToInt32(words[8]);
                        color.Black   = Convert.ToInt32(words[9]);
                        return(color);
                    }
                }
                return(color);
            }
            catch (Exception e)
            {
                System.Windows.Forms.MessageBox.Show(e.ToString());
                LocateCBfile();
                return(GetSingleCMYKColor());
            }
        }
Exemple #5
0
        private static void MapUsingClassbreaksRenderer()
        {
            string layerName = CboLayers.GetSelectedLayer();
            ILayer layer     = GetLayerByName(layerName);

            IFeatureLayer2 fLayer    = layer as IFeatureLayer2;
            string         fieldName = CboFields.GetSelectedField();

            // Get the number of classes
            string selectedClass   = CboClasses.GetSelectedClass();
            int    numberOfClasses = Convert.ToInt32(selectedClass);

            ITableHistogram tableHistogram = new TableHistogramClass();

            tableHistogram.Table = fLayer.FeatureClass as ITable;
            tableHistogram.Field = fieldName;
            IHistogram histo = tableHistogram as IHistogram;
            object     datavalues, datafrequencies;

            histo.GetHistogram(out datavalues, out datafrequencies);

            IClassify classify = new QuantileClass();

            classify.SetHistogramData(datavalues, datafrequencies);
            classify.Classify(ref numberOfClasses);

            if (numberOfClasses <= 1)
            {
                return;
            }

            double[] classBreaks = (double[])classify.ClassBreaks;

            IClassBreaksRenderer render = new ClassBreaksRenderer();

            render.Field        = fieldName;
            render.BreakCount   = numberOfClasses;
            render.MinimumBreak = classBreaks[0];

            // Get the colors
            ICmykColor[] colors = ColorbrewerExtension.GetCmykColors();
            IFillSymbol  fill   = null;

            // Iterate through the colors
            for (int i = 0; i < numberOfClasses; i++)
            {
                fill               = new SimpleFillSymbol();
                fill.Color         = colors[i];
                fill.Outline.Width = 0.5;
                render.Symbol[i]   = fill as ISymbol;
                render.Break[i]    = classBreaks[i + 1];
                render.Label[i]    = string.Format("{0} to {1}", classBreaks[i]
                                                   , classBreaks[i + 1]);
            }

            IGeoFeatureLayer gFLayer = layer as IGeoFeatureLayer;

            gFLayer.Renderer = render as IFeatureRenderer;
            IMxDocument mxDoc = ArcMap.Application.Document as IMxDocument;

            mxDoc.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, gFLayer
                                            , mxDoc.ActiveView.Extent);
            mxDoc.UpdateContents();
        }
Exemple #6
0
 public CboClasses()
 {
     s_CboClasses = this;
 }