/******************************************************************************
* AUTHOR : Bharath A
* DATE : 12-Jun-2008
* NAME : convertFeatVecToTraceGroup
* DESCRIPTION :
* ARGUMENTS :
* RETURNS :
* NOTES :
* CHANGE HISTROY
* Author Date Description
******************************************************************************/
int NPenShapeFeatureExtractor::convertFeatVecToTraceGroup(
const vector<LTKShapeFeaturePtr>& shapeFeature,
LTKTraceGroup& outTraceGroup)
{
LOG(LTKLogger::LTK_LOGLEVEL_DEBUG) << "Entering " <<
"NPenShapeFeatureExtractor::convertFeatVecToTraceGroup()" << endl;
vector<LTKChannel> channels; // channels of a trace
LTKChannel xChannel("X", DT_FLOAT, true); // x-coordinate channel of the trace
LTKChannel yChannel("Y", DT_FLOAT, true); // y-coordinate channel of the trace
//initializing the channels of the trace
channels.push_back(xChannel);
channels.push_back(yChannel);
// composing the trace format object
LTKTraceFormat traceFormat(channels);
vector<float> point; // a point of a trace
LTKTrace trace(traceFormat);
for(int count=0;count<(int)shapeFeature.size();count++)
{
float Xpoint, Ypoint;
bool penUp;
NPenShapeFeature* ptr = (NPenShapeFeature*)(shapeFeature[count].operator ->());
Xpoint = ptr->getX();
Ypoint = ptr->getY();
penUp = ptr->isPenUp();
point.push_back(Xpoint);
point.push_back(Ypoint);
trace.addPoint(point);
point.clear();
if(penUp == true) // end of a trace, clearing the trace now
{
outTraceGroup.addTrace(trace);
trace.emptyTrace();
LTKTrace tempTrace(traceFormat);
trace = tempTrace;
}
}
LOG(LTKLogger::LTK_LOGLEVEL_DEBUG) << "Exiting " <<
"NPenShapeFeatureExtractor::convertFeatVecToTraceGroup()" << endl;
return SUCCESS;
}
int NPenShapeFeature::getDistance(const LTKShapeFeaturePtr& shapeFeaturePtr, float& outDistance) const
{
outDistance = 0.0;
NPenShapeFeature *inFeature = (NPenShapeFeature*)(shapeFeaturePtr.operator ->());
outDistance += (m_x - inFeature->getX())*(m_x - inFeature->getX());
outDistance += (m_y - inFeature->getY())*(m_y - inFeature->getY());
outDistance += (m_cosAlpha - inFeature->getCosAlpha())*(m_cosAlpha - inFeature->getCosAlpha());
outDistance += (m_sinAlpha - inFeature->getSinAlpha())*(m_sinAlpha - inFeature->getSinAlpha());
outDistance += (m_cosBeta - inFeature->getCosBeta())*(m_cosBeta - inFeature->getCosBeta());
outDistance += (m_sinBeta - inFeature->getSinBeta())*(m_sinBeta - inFeature->getSinBeta());
outDistance += (m_aspect - inFeature->getAspect())*(m_aspect - inFeature->getAspect());
outDistance += (m_curliness - inFeature->getCurliness())*(m_curliness - inFeature->getCurliness());
outDistance += (m_linearity - inFeature->getLinearity())*(m_linearity - inFeature->getLinearity());
outDistance += (m_slope - inFeature->getSlope())*(m_slope - inFeature->getSlope());
return SUCCESS;
}