Fix - correct Y-axis range selection in logarithmic scale

Author: linev

scripts/JSRootPainter.hist.js

@@ -2224,6 +2224,7 @@
       fp.CreateXY({ ndim: this.Dimension(),
                     check_pad_range: this.check_pad_range,
                     create_canvas: this.create_canvas,
+                    ymin_nz: this.ymin_nz,
                     swap_xy: (this.options.BarStyle >= 20),
                     reverse_x: this.options.RevX,
                     reverse_y: this.options.RevY,

scripts/JSRootPainter.v6.js

@@ -1175,8 +1175,8 @@
                if (this.scale_ymin>0) break;
             }
 
-         if ((this.scale_ymin <= 0) && ('ymin_nz' in this) && (this.ymin_nz > 0) && (this.ymin_nz < 1e-2*this.ymax))
-            this.scale_ymin = 0.3*this.ymin_nz;
+         if ((this.scale_ymin <= 0) && (opts.ymin_nz) && (opts.ymin_nz < 1e-2*this.ymax))
+            this.scale_ymin = 0.3 * opts.ymin_nz;
 
          if ((this.scale_ymin <= 0) || (this.scale_ymin >= this.scale_ymax))
             this.scale_ymin = 3e-4 * this.scale_ymax;