diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7549021..9393d49 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,7 +8,7 @@ if (INSTALL_Q3DMASC_PLUGIN)
 	project( Q3DMASC_PLUGIN )
 
 	AddPlugin( NAME ${PROJECT_NAME} )
-	set(Q3DMASC_PLUGIN_VERSION "0.1+")
+	set(Q3DMASC_PLUGIN_VERSION "0.2")
 
 	include( CMakePolicies NO_POLICY_SCOPE )
 
diff --git a/q3DMASC.cpp b/q3DMASC.cpp
index 851c795..8b3016b 100644
--- a/q3DMASC.cpp
+++ b/q3DMASC.cpp
@@ -182,6 +182,7 @@ void q3DMASCPlugin::doClassifyAction()
 
 	//prepare the main cloud
 	ccProgressDialog progressDlg(true, m_app->getMainWindow());
+	progressDlg.show();
 	progressDlg.setAutoClose(false); //we don't want the progress dialog to 'pop' for each feature
 	QString error;
 	SFCollector generatedScalarFields;
diff --git a/q3DMASCClassifier.cpp b/q3DMASCClassifier.cpp
index cc74db6..553bc13 100644
--- a/q3DMASCClassifier.cpp
+++ b/q3DMASCClassifier.cpp
@@ -275,7 +275,7 @@ bool Classifier::classify(	const Feature::Source::Set& featureSources,
 		QCoreApplication::processEvents();
 	}
 
-	ConfusionMatrix *confusionMatrix = new ConfusionMatrix(*classifSFBackup, *classificationSF, parentWidget);
+	ConfusionMatrix *confusionMatrix = new ConfusionMatrix(*classifSFBackup, *classificationSF);
 
 	return success;
 }
@@ -562,14 +562,11 @@ bool Classifier::train(	const ccPointCloud* cloud,
 	cv::TermCriteria terminationCriteria(cv::TermCriteria::MAX_ITER, params.maxTreeCount, std::numeric_limits<double>::epsilon());
 	m_rtrees->setTermCriteria(terminationCriteria);
 
-	ccLog::Warning("[Classifier::train] cv::getNumThreads " + QString::number(cv::getNumThreads()));
-
 	QFuture<bool> future = QtConcurrent::run([&]()
 	{
 		// Code in this block will run in another thread
 		try
 		{
-			ccLog::Warning("[QFuture] cv::getNumThreads " + QString::number(cv::getNumThreads()));
 			cv::Mat sampleIndexes = cv::Mat::zeros(1, training_data.rows, CV_8U);
 //			cv::Mat trainSamples = sampleIndexes.colRange(0, sampleCount);
 //			trainSamples.setTo(cv::Scalar::all(1));