private static void ProcessPointsFile(string pointsFile, XElement clusters, XElement points, out int maxpnum, out int maxcnum, Hashtable pointsTable, List <Color> matlab50Colors)
{
using (StreamReader reader = new StreamReader(pointsFile))
{
HashSet <int> clusterNumbers = new HashSet <int>();
maxpnum = -1;
while (!reader.EndOfStream)
{
string line = reader.ReadLine();
if (!string.IsNullOrEmpty(line))
{
PlotVizPoint p = ReadPointLine(line.Trim());
if (maxpnum < p.Index)
{
maxpnum = p.Index;
}
pointsTable.Add(p.Index, p);
if (!clusterNumbers.Contains(p.Cluster))
{
clusterNumbers.Add(p.Cluster);
clusters.Add(CreateClusterElement(p.Cluster,
p.Cluster.ToString(CultureInfo.InvariantCulture),
matlab50Colors[p.Cluster % matlab50Colors.Count], false, 0.1));
}
points.Add(CreatePointElement(p.Index, p.Cluster, string.Empty, p.X, p.Y, p.Z));
}
}
maxcnum = clusterNumbers.Max();
}
}
private static PlotVizPoint ReadPointLine(string line)
{
char[] sep = new[] { ' ', '\t' };
string[] splits = line.Split(sep, StringSplitOptions.RemoveEmptyEntries);
PlotVizPoint p = new PlotVizPoint(double.Parse(splits[1]), double.Parse(splits[2]), double.Parse(splits[3]), int.Parse(splits[0]), int.Parse(splits[4]));
return(p);
}
private static void CreatePlotWithCenters(string outDir, string outNamePrefix, XElement clustersElement, XElement pointsElement, int maxpnum, Hashtable existingPointsTable, int maxcnum, List <Color> matlab50Colors, Hashtable groupTable, int numberOfCenterPointsToIncludeInEachCenterType)
{
++maxcnum;
foreach (DictionaryEntry groupToMethodTable in groupTable)
{
var group = (int)groupToMethodTable.Key; // group is the original cluster number
var methodTable = (Hashtable)groupToMethodTable.Value;
int methodCount = methodTable.Count;
int tempCount = methodCount;
foreach (DictionaryEntry methodToCenterPoints in methodTable)
{
var method = (string)methodToCenterPoints.Key; // method is one of smallest distance mean, smallest MDS mean, etc.
// cluster number to be used in PlotViz for this center type
var clusterNumberForCenterType = group * methodCount + (methodCount - tempCount--) + maxcnum;
// cluster name to be used in PlotViz for this center type
var centerTypeName = group + "." + method + ".centerpoints";
// add an XML element to represent this center type as a cluster in PlotViz
clustersElement.Add(CreateClusterElement(clusterNumberForCenterType, centerTypeName,
matlab50Colors[group % matlab50Colors.Count], false, 2.0));
var cps = (List <CenterInfo>)methodToCenterPoints.Value;
// Picking the topmost n point for each method
for (int i = 0; i < numberOfCenterPointsToIncludeInEachCenterType; i++)
{
CenterInfo cp = cps[i];
PlotVizPoint p = (PlotVizPoint)existingPointsTable[cp.Pnum];
pointsElement.Add(CreatePointElement(++maxpnum, clusterNumberForCenterType,
("cluster:" + group + "-idx:" + p.Index + "method:" +
method),
p.X, p.Y, p.Z));
}
}
}
string pvizName = outNamePrefix + "_with_" + numberOfCenterPointsToIncludeInEachCenterType + "_center(s)_for_each_center_type";
XElement plotElement = CreatePlotElement(pvizName, true);
XElement plotvizElement = new XElement("plotviz");
plotvizElement.Add(plotElement);
plotvizElement.Add(clustersElement);
plotvizElement.Add(pointsElement);
string pvizFile = Path.Combine(outDir, pvizName + ".pviz");
plotvizElement.Save(pvizFile);
}
