X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=tests%2Flinear-regression.html;h=03c95c23b4b870da173a1efb48b2490924a733cf;hb=b03b9d235686d105e46a4263bcaddf8eee2b9553;hp=e3636c12543f5691f80affa948e6bae158e4cba7;hpb=2a07b0ad9869c9116c06fe1c9084da7fec0923bd;p=dygraphs.git

diff --git a/tests/linear-regression.html b/tests/linear-regression.html
index e3636c1..03c95c2 100644
--- a/tests/linear-regression.html
+++ b/tests/linear-regression.html
@@ -35,7 +35,8 @@
               {
                 labels: ['X', 'Y1', 'Y2'],
                 underlayCallback: drawLines,
-                drawPoints: true
+                drawPoints: true,
+                strokeWidth: 0.0
               }
           );
 
@@ -66,7 +67,7 @@
         var b = (sum_y - a * sum_x) / num;
 
         coeffs[series] = [b, a];
-        if (console) {
+        if (typeof(console) != 'undefined') {
           console.log("coeffs(" + series + "): [" + b + ", " + a + "]");
         }
 
@@ -95,7 +96,11 @@
           var p1 = g.toDomCoords(x1, y1);
           var p2 = g.toDomCoords(x2, y2);
 
-          var color = g.getColors()[i - 1];
+          var c = new RGBColor(g.getColors()[i - 1]);
+          c.r = Math.floor(255 - 0.5 * (255 - c.r));
+          c.g = Math.floor(255 - 0.5 * (255 - c.g));
+          c.b = Math.floor(255 - 0.5 * (255 - c.b));
+          var color = c.toHex();
           ctx.save();
           ctx.strokeStyle = color;
           ctx.lineWidth = 1.0;