Multiseries support for surface slice

Task-number: QTRD-2867

Change-Id: I705e3b743ab9d561d93039a60288d71627db8661
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>

2 files changed, 8 insertions, 0 deletions

diff --git a/src/datavisualization/utils/surfaceobject.cpp b/src/datavisualization/utils/surfaceobject.cpp
index cfaab09c..1cb576c4 100644
--- a/src/datavisualization/utils/surfaceobject.cpp
+++ b/src/datavisualization/utils/surfaceobject.cpp
@@ -682,6 +682,13 @@ QVector3D SurfaceObject::vertexAt(int column, int row)
     return m_vertices.at(pos);
 }
 
+void SurfaceObject::clear()
+{
+    m_gridIndexCount = 0;
+    m_indexCount = 0;
+    m_surfaceType = Undefined;
+}
+
 QVector3D SurfaceObject::normal(const QVector3D &a, const QVector3D &b, const QVector3D &c)
 {
     QVector3D v1 = b - a;
diff --git a/src/datavisualization/utils/surfaceobject_p.h b/src/datavisualization/utils/surfaceobject_p.h
index f51c2909..ebae1149 100644
--- a/src/datavisualization/utils/surfaceobject_p.h
+++ b/src/datavisualization/utils/surfaceobject_p.h
@@ -70,6 +70,7 @@ public:
     GLuint gridElementBuf();
     GLuint gridIndexCount();
     QVector3D vertexAt(int column, int row);
+    void clear();
 
 private:
     QVector3D normal(const QVector3D &a, const QVector3D &b, const QVector3D &c);