private static DynamicIsoLineLayer GetDynamicIsoLineLayer()
{
// Define the colors for different earthquake magnitude.
Collection <GeoColor> colorsOfMagnitude = new Collection <GeoColor>()
{
GeoColor.FromHtml("#FFFFBE"),
GeoColor.FromHtml("#FDFF9E"),
GeoColor.FromHtml("#FDFF37"),
GeoColor.FromHtml("#FDDA04"),
GeoColor.FromHtml("#FFA701"),
GeoColor.FromHtml("#FF6F02"),
GeoColor.FromHtml("#EC0000"),
GeoColor.FromHtml("#B90000"),
GeoColor.FromHtml("#850100"),
GeoColor.FromHtml("#620001"),
GeoColor.FromHtml("#450005"),
GeoColor.FromHtml("#2B0804")
};
// Get the file path name from its relative path.
string shpFilePathName = GetFullPath("App_Data/usEarthquake.shp");
// Create the layer for IsoLine.
ShapeFileFeatureSource featureSource = new ShapeFileFeatureSource(shpFilePathName);
Dictionary <PointShape, double> dataPoints = GetDataPoints(featureSource);
GridInterpolationModel interpolationModel = new InverseDistanceWeightedGridInterpolationModel(3, double.MaxValue);
DynamicIsoLineLayer isoLineLayer = new DynamicIsoLineLayer(dataPoints, GetClassBreakValues(dataPoints.Values, 12), interpolationModel, IsoLineType.ClosedLinesAsPolygons);
// Create the style for different level of earthquake magnitude.
ClassBreakStyle earthquakeMagnitudeBreakStyle = new ClassBreakStyle(isoLineLayer.DataValueColumnName);
earthquakeMagnitudeBreakStyle.ClassBreaks.Add(new ClassBreak(double.MinValue, new AreaStyle(new GeoPen(GeoColor.FromHtml("#FE6B06"), 1), new GeoSolidBrush(new GeoColor(100, colorsOfMagnitude[0])))));
for (int i = 0; i < isoLineLayer.IsoLineLevels.Count - 1; i++)
{
earthquakeMagnitudeBreakStyle.ClassBreaks.Add(new ClassBreak(isoLineLayer.IsoLineLevels[i + 1], new AreaStyle(new GeoPen(GeoColor.FromHtml("#FE6B06"), 1), new GeoSolidBrush(new GeoColor(100, colorsOfMagnitude[i + 1])))));
}
isoLineLayer.CustomStyles.Add(earthquakeMagnitudeBreakStyle);
TextStyle textStyle = TextStyles.CreateSimpleTextStyle(isoLineLayer.DataValueColumnName, "Arial", 8, DrawingFontStyles.Bold, GeoColor.StandardColors.Black, 0, 0);
textStyle.HaloPen = new GeoPen(GeoColor.StandardColors.White, 2);
textStyle.OverlappingRule = LabelOverlappingRule.NoOverlapping;
textStyle.SplineType = SplineType.StandardSplining;
textStyle.DuplicateRule = LabelDuplicateRule.UnlimitedDuplicateLabels;
textStyle.TextLineSegmentRatio = 9999999;
textStyle.FittingLineInScreen = true;
textStyle.SuppressPartialLabels = true;
textStyle.NumericFormat = "{0:0.00}";
isoLineLayer.CustomStyles.Add(textStyle);
return(isoLineLayer);
}
private void Initialize()
{
Collection <GeoColor> levelAreaColors = new Collection <GeoColor>();
levelAreaColors.Add(GeoColor.FromHtml("#FFFFBE"));
levelAreaColors.Add(GeoColor.FromHtml("#FDFF9E"));
levelAreaColors.Add(GeoColor.FromHtml("#FDFF37"));
levelAreaColors.Add(GeoColor.FromHtml("#FDDA04"));
levelAreaColors.Add(GeoColor.FromHtml("#FFA701"));
levelAreaColors.Add(GeoColor.FromHtml("#FF6F02"));
levelAreaColors.Add(GeoColor.FromHtml("#EC0000"));
levelAreaColors.Add(GeoColor.FromHtml("#B90000"));
levelAreaColors.Add(GeoColor.FromHtml("#850100"));
levelAreaColors.Add(GeoColor.FromHtml("#620001"));
levelAreaColors.Add(GeoColor.FromHtml("#450005"));
levelAreaColors.Add(GeoColor.FromHtml("#2B0804"));
FeatureSource.Open();
Dictionary <PointShape, double> dataPoints = GetDataPoints();
GridInterpolationModel interpolationModel = new InverseDistanceWeightedGridInterpolationModel(3, double.MaxValue);
isoLineLayer = new DynamicIsoLineLayer(dataPoints, GetClassBreakValues(dataPoints.Values, 12), interpolationModel, IsoLineType.ClosedLinesAsPolygons);
isoLineLayer.CellWidthInPixel = 32;
isoLineLayer.CellHeightInPixel = 32;
levelClassBreakStyle = new ClassBreakStyle(isoLineLayer.DataValueColumnName);
levelClassBreakStyle.ClassBreaks.Add(new ClassBreak(double.MinValue, new AreaStyle(new GeoPen(GeoColor.FromHtml("#FE6B06"), 1), new GeoSolidBrush(new GeoColor(100, levelAreaColors[0])))));
for (int i = 0; i < IsoLineLevels.Count - 1; i++)
{
if (!levelClassBreakStyle.ClassBreaks.Any(c => c.Value == IsoLineLevels[i + 1]))
{
levelClassBreakStyle.ClassBreaks.Add(new ClassBreak(IsoLineLevels[i + 1], new AreaStyle(new GeoPen(GeoColor.FromHtml("#FE6B06"), 1), new GeoSolidBrush(new GeoColor(100, levelAreaColors[i + 1])))));
}
}
isoLineLayer.CustomStyles.Add(levelClassBreakStyle);
TextStyle textStyle = TextStyles.CreateSimpleTextStyle(isoLineLayer.DataValueColumnName, "Arial", 8, DrawingFontStyles.Bold, GeoColor.StandardColors.Black, 0, 0);
textStyle.HaloPen = new GeoPen(GeoColor.StandardColors.White, 2);
textStyle.OverlappingRule = LabelOverlappingRule.NoOverlapping;
textStyle.SplineType = SplineType.StandardSplining;
textStyle.DuplicateRule = LabelDuplicateRule.UnlimitedDuplicateLabels;
textStyle.TextLineSegmentRatio = 9999999;
textStyle.FittingLineInScreen = true;
textStyle.SuppressPartialLabels = true;
textStyle.NumericFormat = "{0:0.00}";
isoLineLayer.CustomStyles.Add(textStyle);
}
private void GenerateGrid(string filename)
{
//Point based shapefile used to create the GRID (sample points of pH level of a field)
ShapeFileFeatureLayer pointLayer = new ShapeFileFeatureLayer(@"..\..\data\sample_ph_2.shp");
//Sets the extent of the grid based on the extent of the sample points shapefile and slightly larger.
pointLayer.Open();
RectangleShape gridExtent = pointLayer.GetBoundingBox();
gridExtent.ScaleUp(5);
//Gets the data (points with their pH value) to build the GRID.
Collection <Feature> features = pointLayer.FeatureSource.GetAllFeatures(new string[] { "PH" });
Dictionary <PointShape, double> dataPoints = new Dictionary <PointShape, double>();
pointLayer.Close();
foreach (Feature feature in features)
{
PointShape pointShape = (PointShape)feature.GetShape();
double value = double.Parse(feature.ColumnValues["PH"]);
dataPoints.Add(pointShape, value);
}
//Cell size based on the width of the extent divided by 100.
double cellSize = gridExtent.Width / 100;
//Sets the definition of the GRID with its extent, the cell size, the non value, and the data (point locations with their value)
//For more information on GRID definition see http://en.wikipedia.org/wiki/ASCII_GRID
GridDefinition definition = new GridDefinition(gridExtent, cellSize, -9999, dataPoints);
//Inverse Distance Weighted (IDW) is the interpolation model used for the GRID for assigning values to unknown points
//based on known neighbor points.
//http://en.wikipedia.org/wiki/Inverse_distance_weighting
GridInterpolationModel interpolationModel = new InverseDistanceWeightedGridInterpolationModel();
FileStream outputStream = new FileStream(filename, FileMode.Create);
GridFeatureSource.GenerateGrid(definition, interpolationModel, outputStream);
}
private void Initialize()
{
Collection<GeoColor> levelAreaColors = new Collection<GeoColor>();
levelAreaColors.Add(GeoColor.FromHtml("#FFFFBE"));
levelAreaColors.Add(GeoColor.FromHtml("#FDFF9E"));
levelAreaColors.Add(GeoColor.FromHtml("#FDFF37"));
levelAreaColors.Add(GeoColor.FromHtml("#FDDA04"));
levelAreaColors.Add(GeoColor.FromHtml("#FFA701"));
levelAreaColors.Add(GeoColor.FromHtml("#FF6F02"));
levelAreaColors.Add(GeoColor.FromHtml("#EC0000"));
levelAreaColors.Add(GeoColor.FromHtml("#B90000"));
levelAreaColors.Add(GeoColor.FromHtml("#850100"));
levelAreaColors.Add(GeoColor.FromHtml("#620001"));
levelAreaColors.Add(GeoColor.FromHtml("#450005"));
levelAreaColors.Add(GeoColor.FromHtml("#2B0804"));
FeatureSource.Open();
Dictionary<PointShape, double> dataPoints = GetDataPoints();
GridInterpolationModel interpolationModel = new InverseDistanceWeightedGridInterpolationModel(3, double.MaxValue);
isoLineLayer = new DynamicIsoLineLayer(dataPoints, IsoLineLayer.GetIsoLineLevels(dataPoints.Values, 12), interpolationModel, IsoLineType.ClosedLinesAsPolygons);
IsoLineLayer.GetIsoLineLevels(dataPoints, 12);
levelClassBreakStyle = new ClassBreakStyle(isoLineLayer.DataValueColumnName);
levelClassBreakStyle.ClassBreaks.Add(new ClassBreak(double.MinValue, new AreaStyle(new GeoPen(GeoColor.FromHtml("#FE6B06"), 1), new GeoSolidBrush(new GeoColor(100, levelAreaColors[0])))));
for (int i = 0; i < IsoLineLevels.Count - 1; i++)
{
levelClassBreakStyle.ClassBreaks.Add(new ClassBreak(IsoLineLevels[i + 1], new AreaStyle(new GeoPen(GeoColor.FromHtml("#FE6B06"), 1), new GeoSolidBrush(new GeoColor(100, levelAreaColors[i + 1])))));
}
isoLineLayer.CustomStyles.Add(levelClassBreakStyle);
TextStyle textStyle = TextStyles.CreateSimpleTextStyle(isoLineLayer.DataValueColumnName, "Arial", 8, DrawingFontStyles.Bold, GeoColor.StandardColors.Black, 0, 0);
textStyle.HaloPen = new GeoPen(GeoColor.StandardColors.White, 2);
textStyle.OverlappingRule = LabelOverlappingRule.NoOverlapping;
textStyle.SplineType = SplineType.StandardSplining;
textStyle.DuplicateRule = LabelDuplicateRule.UnlimitedDuplicateLabels;
textStyle.TextLineSegmentRatio = 9999999;
textStyle.FittingLineInScreen = true;
textStyle.SuppressPartialLabels = true;
textStyle.NumericFormat = "{0:0.00}";
isoLineLayer.CustomStyles.Add(textStyle);
}
