diff --git a/libs/graphic3d/scatter3d.cpp b/libs/graphic3d/scatter3d.cpp
index 3364288..d135017 100644
--- a/libs/graphic3d/scatter3d.cpp
+++ b/libs/graphic3d/scatter3d.cpp
@@ -117,6 +117,12 @@ void Scatter3D::removeGraphic(int index) {
 }
 
 
+void Scatter3D::clear() {
+	for (auto g: graphics)
+		g.data->resetArray(nullptr);
+}
+
+
 void Scatter3D::setLabelAutoRotation(bool on) {
 	if (on) {
 		canvas->axisX()->setLabelAutoRotation(90);
diff --git a/libs/graphic3d/scatter3d.h b/libs/graphic3d/scatter3d.h
index 073fb65..b8cb60a 100644
--- a/libs/graphic3d/scatter3d.h
+++ b/libs/graphic3d/scatter3d.h
@@ -75,7 +75,7 @@ public slots:
 	void setGraphicMeshSmooth(bool smooth) { setGraphicMeshSmooth(smooth, curGraphic); }
 	void addGraphic(const QColor & color = Qt::darkBlue, float pointSize = 1.f, Mesh mesh = Mesh::MeshSphere, bool meshSmooth = true);
 	void removeGraphic(int index);
-	void clear() { setGraphicsCount(0); }
+	void clear();
 	void setLabelAutoRotation(bool on);
 	void setGraphicData(const QVector<QVector3D> & points, int index);
 	void setGraphicData(const QVector<QVector3D> & points) { setGraphicData(points, curGraphic); }