PointMatcher<T>::DataPoints::DataPoints(const Labels& featureLabels, const Labels& descriptorLabels, const size_t pointCount): featureLabels(featureLabels), descriptorLabels(descriptorLabels) { features.resize(featureLabels.totalDim(), pointCount); if(descriptorLabels.totalDim()) descriptors.resize(descriptorLabels.totalDim(), pointCount); }