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Viewing changes to webapp/graphite/render/glyph.py

  • Committer: Charles A Beasley
  • Date: 2011-04-11 20:17:08 UTC
  • Revision ID: carmelchas@gmail.com-20110411201708-bx1l9v1oh65gmbcw
logarithmic scale implementation

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Lines of Context:
webapp/graphite/render/glyph.py
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    if self.logScale:
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        if value <= 0: return None
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        relativeValue = math.log(relativeValue, self.logBase)
 
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        if relativeValue > 0: relativeValue = math.log(relativeValue, self.logBase)
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        valueRange = math.log(highestValue, self.logBase) - math.log(lowestValue, self.logBase)
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    pixelToValueRatio = pixelRange / valueRange