Yes, I'll experiment with that, thanks a lot. W dniu sobota, 24 listopada 2012 04:42:42 UTC+1 użytkownik asgallant napisał: > > There's no way to specify exactly where the gridlines will fall. The API > tries to set the min and max values of the axis such that all gridlines > fall on "nice" values. In your example, you would probably end up with a > range of 220-400, with lines every 20. You can specify the minValue and > maxValue suboptions for the axis in question, and so long as they are > outside the bounds of your data, the API will use those values to determine > the axis values instead of your data, which can help you pick the values > you need to get the interval you want. So if your data went from 230-400, > you could specify 220 as the min and 400 as the max, which would most > likely get you the results you want for a 20 unit interval with 10 > gridlines. Does that make sense? > > On Friday, November 23, 2012 6:48:40 AM UTC-5, Hubert Kubik wrote: >> >> Hello everybody, >> I'm implementing some small application displaying physical properties >> (like pressure) of substances depending of given temperature. >> I would like to put guides at certain intervals - (chosen from set of 1, >> 2, 5, 10, 20 ...) , but API gives me only the possibility of specifying >> number of guidelines. >> I'm thinking of implementing an algorithm to select the best number of >> guides for a given range. >> For example if we have temperature span 230-400 and maximum number of >> guidelines = 10 the best interval would be 20 starting at 240. >> But maybe you know of any smarter way to do that... >> >> Cheers >> Hubert >> >
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