in atcGraph the log y axis default range for a timeseries with 0 values goes too close to zero. see attached.
suggest making the default minimum 0.001 rather than 0.0000001 or displaying axis labels in exponential format with a limited number of orders of magnitude (9 in example), could be 4 or 5.
in atcGraph the log y axis default range for a timeseries with 0 values goes too close to zero. see attached.![logyto0](https://user-images.githubusercontent.com/516422/36034670-c950b278-0d82-11e8-8879-33fbe5cd41bb.png)
suggest making the default minimum 0.001 rather than 0.0000001 or displaying axis labels in exponential format with a limited number of orders of magnitude (9 in example), could be 4 or 5.