private void SetupCustomRenderSettings(string fieldName, int layerIndex, TooltipHeaderFieldNamePair[] tooltipFields)
{
//get the required layer
EGIS.ShapeFileLib.RenderSettings renderSettings = SFMap1.GetLayer(layerIndex).RenderSettings;
int numRecords = SFMap1.GetLayer(layerIndex).RecordCount;
EGIS.ShapeFileLib.DbfReader dbfReader = renderSettings.DbfReader;
int fieldIndex = dbfReader.IndexOfFieldName(fieldName);
double[] samples = new double[numRecords];
//find the range of population values and obtain the quintile quantiles
for (int n = 0; n < numRecords; n++)
{
if (String.IsNullOrEmpty(dbfReader.GetField(n, fieldIndex)) == false)
{
string tmp = dbfReader.GetField(n, fieldIndex);
int value;
if (int.TryParse(tmp, out value))
{
double d = double.Parse(dbfReader.GetField(n, fieldIndex), System.Globalization.CultureInfo.InvariantCulture);
samples[n] = d;
}
}
}
double[] ranges = GetQuintiles(samples);
//create the quintile colors - there will be 1 more color than the number of elements in quantiles
Color[] cols = new Color[] {
Color.FromArgb(96, 169, 5),
Color.FromArgb(201, 200, 123),
Color.FromArgb(157, 135, 151),
Color.FromArgb(112, 155, 235),
Color.FromArgb(255, 0, 0)
};
//setup the list of tooltip fields
System.Collections.Generic.List <TooltipHeaderFieldNamePair> tooltipPairList = null;
if (tooltipFields != null)
{
tooltipPairList = new System.Collections.Generic.List <TooltipHeaderFieldNamePair>();
tooltipPairList.AddRange(tooltipFields);
}
//create a new QuantileCustomRenderSettings and add it to the SFMap
QuantileCustomRenderSettings rcrs = new QuantileCustomRenderSettings(renderSettings, cols, ranges, fieldName, tooltipPairList);
SFMap1.SetCustomRenderSettings(layerIndex, rcrs);
}
public _cl_map_hydro(string ShpPath, string DbfPath, Encoding code)
{
sf = new EGIS.ShapeFileLib.ShapeFile(ShpPath);
dbr = new EGIS.ShapeFileLib.DbfReader(DbfPath);
endcode = code;
}
