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POCore Plot Bar Graph Y-Axis issues
 

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  1. POCore Plot Bar Graph Y-Axis issues
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    <p>I am trying to make a bar graph with core plot. I cannot get the y-axis to scale properly or the tick-marks in the correct places. My biggest issue is that if I set:</p> <pre><code>CPTXYPlotSpace *plotSpace = (CPTXYPlotSpace *) graph.defaultPlotSpace; plotSpace.yRange = [CPTPlotRange plotRangeWithLocation:CPTDEcimalFromFloat(0) length:CPTDecimalFromFloat(max_value); </code></pre> <p>And max_value is anything higher then 10 it takes an unreasonable amount of time for the graph to load. For example I need max_value to be around 1000 to show the tops of all the values but when I set it to 1000 it takes over 15 seconds to load the screen. But if I leave it set to 10 my bar graphs take up the entire screen and you cannot see the top. </p> <p>This is the rest of the part of the code dealing with this. Any advice would be appreciated.</p> <pre><code>CPTXYPlotSpace *plotSpace = (CPTXYPlotSpace *) graph.defaultPlotSpace; plotSpace.yRange = [CPTPlotRange plotRangeWithLocation:CPTDecimalFromFloat(0) length:CPTDecimalFromFloat(1000)]; [plotSpace scaleToFitPlots:[NSArray arrayWithObjects:_liftOffPlot,_sideLeanPlot,_forwardLeanPlot,_crossLegsPlot,nil]]; graph.plotAreaFrame.borderLineStyle = nil; axisSet.yAxis.title = @"times completed"; axisSet.yAxis.titleTextStyle = axisTitleStyle; axisSet.yAxis.titleOffset = -25.0f; axisSet.yAxis.axisLineStyle = nil; axisSet.yAxis.labelingPolicy = CPTAxisLabelingPolicyAutomatic; axisSet.yAxis.preferredNumberOfMajorTicks = 10; axisSet.yAxis.minorTicksPerInterval = 1; axisSet.yAxis.minorTickLocations = nil; axisSet.yAxis.majorTickLocations = nil; axisSet.yAxis.title = @"times completed"; axisSet.yAxis.titleTextStyle = axisTitleStyle; axisSet.yAxis.titleOffset = -25.0f; axisSet.yAxis.axisLineStyle = nil; axisSet.yAxis.majorIntervalLength = CPTDecimalFromString(@"100"); axisSet.yAxis.orthogonalCoordinateDecimal = CPTDecimalFromString(@"0"); axisSet.yAxis.visibleRange = [CPTPlotRange plotRangeWithLocation:CPTDecimalFromInt(0) length:CPTDecimalFromInt(1000)]; axisSet.yAxis.gridLinesRange = axisSet.yAxis.visibleRange; </code></pre>
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