User (Legacy) Posted June 22, 2005 Report Share Posted June 22, 2005 0.0 0.2 0.4 0.6 0.8 1.0 -0.8 -0.6 -0.4 -0.2 -0.0 I need this axis labeling to plot electrical "power factor". Power factor values vary from -1 to 1 and the best way to plot them is by having 1 in the center of the Y-axis with positive values plotted above 1 and negative values plotted below 1. I thought about converting the values from the range -1 to 1 to the range 0 to 2 and setting the Y axis min/max to 0 to 2 with a step of 0.2 and then labeling the points myself. That should work but I would like to autoscale the axis (most power factor values rarely fall between -.7 and .7 so that's a lot of wasted space on the chart) but then I don't know how to label the axis myself. Link to comment Share on other sites More sharing options...
Software FX Posted June 24, 2005 Report Share Posted June 24, 2005 This is going to be tricky because you axis is not linear, you actually have to zeros (-0.0 and 0.0). I'm guessing 0 is NOT a possible value. Can you please attach a drawing of what a chart with specific data will look like, is -1 and 1 plotted at the same position ? -- Francisco Padron www.chartfx.com Link to comment Share on other sites More sharing options...
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