private void _UpdateUI(DocumentTermModel model)
{
progressBar.Visibility = Visibility.Collapsed;
browserFrame.Visibility = Visibility.Visible;
NNMFMatrix termDocument = model.GetNormalised();
termDocument.Factorise(FEATURE_COUNT, out _weightMatrix, out _featureMatrix);
// calculate the maximum weight across all documents
_topWeight = 0;
for (int i = 0; i < _weightMatrix.ShapeX; i++)
{
for (int j = 0; j < _weightMatrix.ShapeY; j++)
{
float val = _weightMatrix[i, j];
if (val > _topWeight)
{
_topWeight = val;
}
}
}
// build the list of clusters
for (int i = 0; i < FEATURE_COUNT; i++)
{
StringBuilder sb = new StringBuilder();
List <int> wordList = _RankFeatureWordList(_featureMatrix, i);
foreach (int index in wordList)
{
string word = model.GetTerm(index);
if (sb.Length > 0)
{
sb.Append(", ");
}
sb.Append(word);
}
Cluster cluster = new Cluster(sb.ToString(), _colourList[i % 7], i);
cluster.Clicked += new Cluster.ClickedDelegate(Cluster_Clicked);
tagCloudContainer.Children.Add(cluster);
}
_ShowResults(_resultList);
}
