[Kst] [Bug 90932] nan values are interpolated

[Andrew Walker]

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http://bugs.kde.org/show_bug.cgi?id=90932        
arwalker sumusltd com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED



------- Additional Comments From arwalker sumusltd com  2004-10-07 23:42 -------
CVS commit by arwalker: 

Do not interpolate across NaN values.

CCMAIL: 90932-done bugs kde org


  M +147 -139  kst2dplot.cpp   1.279


--- kdeextragear-2/kst/kst/kst2dplot.cpp  #1.278:1.279
 @ -1826,5 +1826,4  @ void Kst2DPlot::resize(const QSize& size
 
 void Kst2DPlot::updateTieBox(QPainter& p) {
-  //kdDebug() << "Update tie box for " << tagName() << endl;
   QRect tr = GetTieBoxRegion();
   p.setPen(foregroundColor());
 @ -1862,5 +1861,7  @ void Kst2DPlot::paint(KstPaintType type,
     }
 
-    /* check for optimizations */
+    //
+    // check for optimizations
+    //
     QSize sizeNew = size();
     QRect alignment = KST::alignment.limits(geometry());
 @ -1928,5 +1929,7  @ void Kst2DPlot::draw() {
 
 void Kst2DPlot::draw(QPainter &p, KstPaintType type, double resolutionEnhancement) {
-  /* Draws to the buffer */
+  //
+  // draws to the buffer
+  //
 
   if (_zoomPaused) {
 @ -2865,9 +2868,9  @ void Kst2DPlot::highlightNearestDataPoin
       }
       if (found) {
-        QString comma;
         if (!msg.isEmpty()) {
-          comma = ", ";
+          msg = QString("%5, %4 (%1, %2, %3)").arg(xpos,0,'G').arg(ypos,0,'G').arg(Z,0,'G').arg(_images[i+1]->tagName()).arg(msg);
+        } else {
+          msg = QString("%4 (%1, %2, %3)").arg(xpos,0,'G').arg(ypos,0,'G').arg(Z,0,'G').arg(_images[i+1]->tagName());
         }
-        msg += comma + QString("%4 (%1, %2, %3)").arg(xpos,0,'G').arg(ypos,0,'G').arg(Z,0,'G').arg(_images[i+1]->tagName());
       }
     }
 @ -4782,4 +4785,5  @ void Kst2DPlot::plotCurves(QPainter& p,
       if (c->hasLines()) {
         QPointArray points(MAX_NUM_POLYLINES);
+        bool foundNan;
         int lastPlottedX = 0;
         int lastPlottedY = 0;
 @ -4825,4 +4829,5  @ void Kst2DPlot::plotCurves(QPainter& p,
 
           c->point(++i_pt, rX, rY);
+          foundNan = false;
 
           //
 @ -4831,4 +4836,5  @ void Kst2DPlot::plotCurves(QPainter& p,
           while ((isnan(rX) || isnan(rY)) && i_pt < iN) {
 #undef isnan
+            foundNan = true;
             c->point(++i_pt, rX, rY);
           }
 @ -4847,4 +4853,5  @ void Kst2DPlot::plotCurves(QPainter& p,
             last_y1 = Y1;
 
+            if (!foundNan) {
             if (floor(X1) == floor(X2)) {
               if (overlap) {
 @ -5005,4 +5012,5  @ void Kst2DPlot::plotCurves(QPainter& p,
               }
             } // end if (X1 == X2)
+            } // end if (!foundNan)
           } // end if (i_pt <= iN)
         } // end while