Scale labels rounded at display

[Philippe Ribet]

Hello,

First thank for this wonderful tool. I use it once every 10 years and it works nicely.

I just observed there is a mistake in labels management in scales. Looks like values are computed by dividing the range, then placed, then the value is rounded to generate the text.

The result is that there are multiple ticks with the same text as shown here:

The right way to make a scale is:

- choose the approximate number of labels you want to display

- split the interval (max-min size) with human friendly steps that best fit the number of labels

- draw the scale based on these steps, only displaying values multiple of the steps. Number of digits in the labels have to match the steps value.

Best regards,

    Philippe