void TransferFunctionAlphaWidget::paintOpacityGraph(QPainter& painter)
{
QPen pointPen, pointLinePen;
pointPen.setColor(QColor(0, 0, 150));
pointLinePen.setColor(QColor(150, 100, 100));
// Go through each point and draw squares and lines
IntIntMap opacityMap = mImageTF->getOpacityMap();
QPoint lastScreenPoint;
this->mPointRects.clear();
for (IntIntMap::iterator opPoint = opacityMap.begin();
opPoint != opacityMap.end();
++opPoint)
{
// Get the screen (plot) position of this point
AlphaPoint pt(opPoint->first, opPoint->second);
QPoint screenPoint = this->alpha2screen(pt);
// draw line from left edge to first point:
if (opPoint==opacityMap.begin())
{
lastScreenPoint = QPoint(mPlotArea.left(), screenPoint.y());
}
// Draw line from previous point
painter.setPen(pointLinePen);
painter.drawLine(lastScreenPoint, screenPoint);
// Draw the rectangle
QRect pointRect(screenPoint.x() - mBorder, screenPoint.y() - mBorder,
mBorder*2, mBorder*2);
if (opPoint->first==mSelectedAlphaPoint.position)
{
pointPen.setWidth(2);
painter.setPen(pointPen);
}
else
{
pointPen.setWidth(1);
painter.setPen(pointPen);
}
painter.drawRect(pointRect);
this->mPointRects[opPoint->first] = pointRect;
// Store the point
lastScreenPoint = screenPoint;
}
// draw a line from the last point to the right end
QPoint screenPoint(mPlotArea.right(), lastScreenPoint.y());
painter.setPen(pointLinePen);
painter.drawLine(lastScreenPoint, screenPoint);
}
TransferFunctionAlphaWidget::AlphaPoint TransferFunctionAlphaWidget::selectPoint(QPoint pos)
{
std::map<int, QRect>::iterator it = mPointRects.begin();
for(;it != mPointRects.end(); ++it)
{
if (it->second.contains(pos))
{
AlphaPoint retval;
retval.position = it->first;
IntIntMap opactiyMap = mImageTF->getOpacityMap();
if (opactiyMap.find(retval.position) != opactiyMap.end())
retval.value = opactiyMap.find(retval.position)->second;
return retval;
}
}
return AlphaPoint();
}
bool SemanticCorpusReader::AddWord(const Document_Sentence_Word& word,
int sentence, const IntIntMap& vocab,
const set<int>& pos,
const IntIntMap& synsets, BaseDoc* doc) {
// If this corpus has pos information *and* we filter on pos
// *and* this pos isn't there, then skip this word
if (word.has_pos() && pos.size() > 0 && pos.find(word.pos()) == pos.end())
return false;
int token = word.token();
int normalized_synset = -1;
if (word.has_synset()) {
int synset = word.synset();
assert(synsets.find(synset) != synsets.end());
normalized_synset = synsets.find(synset)->second;
}
if (use_lemma_ && word.has_lemma()) token = word.lemma();
if (vocab.find(token) == vocab.end()) return false;
int normalized_token = vocab.find(token)->second;
static_cast<SemMlSeqDoc*>(doc)->
AddWord(sentence, normalized_token, normalized_synset);
static_cast<SemMlSeqDoc*>(doc)->Addtfidf(sentence, word.tfidf());
return true;
}
std::pair<int,int> TransferFunctionAlphaWidget::findAllowedMoveRangeAroundAlphaPoint(int selectedPointIntensity)
{
// constrain new point intensity between the two neigbours
IntIntMap opacityMap = mImageTF->getOpacityMap();
IntIntMap::iterator pointIterator = opacityMap.find(selectedPointIntensity);
std::pair<int,int> range(mImage->getMin(), mImage->getMax());
if (pointIterator!=opacityMap.begin())
{
IntIntMap::iterator prevPointIterator = pointIterator;
--prevPointIterator;
range.first = std::max(range.first, prevPointIterator->first + 1);
}
IntIntMap::iterator nextPointIterator = pointIterator;
++nextPointIterator;
if (nextPointIterator!=opacityMap.end())
{
range.second = std::min(range.second, nextPointIterator->first - 1);
}
return range;
}
bool CorpusReader::AddWord(const Document_Sentence_Word& word,
int sentence, const IntIntMap& vocab,
const set<int>& pos, const IntIntMap& synsets,
BaseDoc* doc) {
// If this corpus has pos information *and* we filter on pos
// *and* this pos isn't there, then skip this word
if (word.has_pos() && pos.size() > 0 && pos.find(word.pos()) == pos.end())
return false;
int token = word.token();
if (use_lemma_ && word.has_lemma()) token = word.lemma();
if (use_bigram_) {
if (word.bigram() == -1) return false;
else
token = word.bigram();
}
if (vocab.find(token) == vocab.end()) return false;
int normalized_token = vocab.find(token)->second;
doc->AddWord(sentence, normalized_token);
doc->Addtfidf(sentence, word.tfidf());
return true;
}