Avoid rare duplication of RangeVarPlot points due to recursion. (#720)

neuronsimulator · Dec 10, 2020 · b2cfb1b · b2cfb1b
1 parent b4c3c18
commit b2cfb1b
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/nrniv/spaceplt.cpp b/src/nrniv/spaceplt.cpp
@@ -599,8 +599,8 @@ void SpacePlot::plot() {
 #endif
 
 void RangeVarPlot::set_x() {
-	sec_list_->remove_all();
 	if (!begin_section_ || !end_section_ || !begin_section_->prop || !end_section_->prop) {
+		sec_list_->remove_all();
 		return;
 	}
 	SecPos spos;
@@ -610,6 +610,7 @@ void RangeVarPlot::set_x() {
 	sec1 = begin_section_;
 	sec2 = end_section_;
 	v_setup_vectors();
+	sec_list_->remove_all(); // v_setup_vectors() may recurse once.
 	nd1 = node_exact(sec1, x_begin_);
 	nd2 = node_exact(sec2, x_end_);