- points[j].y_top = DygraphLayout._calcYNormal(axis, yv_minus);
- points[j].y_bottom = DygraphLayout._calcYNormal(axis, yv_plus);
+ points[j].y_top = DygraphLayout._calcYNormal(axis, yv_minus, logscale);
+ points[j].y_bottom = DygraphLayout._calcYNormal(axis, yv_plus, logscale);