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allow altitude plot to go below zero

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Also ensure that altitude axis is at least 100 feet/meters tall to avoid
making a flat course look hilly.
This commit is contained in:
Sean Rhea
2009-09-20 21:22:47 -07:00
parent a8d73e567e
commit 0cbe39e834
1 changed files with 7 additions and 5 deletions
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12
src/AllPlot.cpp
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@@ -455,7 +455,10 @@ AllPlot::setYMax()
}
if (altCurve->isVisible()) {
setAxisTitle(yRight2, useMetricUnits ? "Meters" : "Feet");
setAxisScale(yRight2, 0.0, 1.05 * altCurve->maxYValue());
double ymin = altCurve->minYValue();
double ymax = qMax(ymin + 100, 1.05 * altCurve->maxYValue());
setAxisScale(yRight2, ymin, ymax);
altCurve->setBaseline(ymin);
}
enableAxis(yLeft, wattsCurve->isVisible());
@@ -524,10 +527,9 @@ AllPlot::setData(RideItem *_rideItem)
if (!cadArray.empty())
cadArray[arrayLength] = max(0, point->cad);
if (!altArray.empty())
altArray[arrayLength] = max(0,
(useMetricUnits
? point->alt
: point->alt * FEET_PER_M));
altArray[arrayLength] = (useMetricUnits
? point->alt
: point->alt * FEET_PER_M);
interArray[arrayLength] = point->interval;
distanceArray[arrayLength] = max(0,
(useMetricUnits