Index: trunk/BNC/src/rinex/polarplot.cpp
===================================================================
--- trunk/BNC/src/rinex/polarplot.cpp	(revision 4322)
+++ trunk/BNC/src/rinex/polarplot.cpp	(revision 4323)
@@ -31,5 +31,7 @@
   for (int ii = from; ii <= to; ii++) {
     QwtSymbol ss(symbol);
-    if (ii % 2 == 0) {
+    t_polarData*        polarData = (t_polarData*) data();
+    const t_polarPoint& point     = polarData->sample(ii);
+    if (point._value == 1) {
       ss.setBrush(QBrush(Qt::red));
       ss.setPen(QPen(Qt::red));