Fixed: Scatter plot trend not showing...

...when slope or intercept is 0
IBM-IoT · Oct 20, 2015 · 00bfd0d · 00bfd0d
1 parent ab3d86b
commit 00bfd0d
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/plugins/plugin_nvd3scatter.html b/plugins/plugin_nvd3scatter.html
@@ -76,6 +76,10 @@
         var regressionResult = ss.linearRegression( this.data[ index ].values.map( function( v ) { return [ v.x , v.y ]; } ) );
         this.data[ index ].slope = regressionResult.m;
         this.data[ index ].intercept = regressionResult.b;
+
+        // HACK: Avoid weak falsy tests performed by the library
+        if( this.data[ index ].slope === 0 ) this.data[ index ].slope += 0.00000001;
+        if( this.data[ index ].intercept === 0 ) this.data[ index ].intercept += 0.00000001;
       }
 
       this.chart.update();