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10877180
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2012-06-04T06:32:04.470
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2012-06-04T06:43:45.207
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2012-06-04T06:43:45.207
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1316557
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10876884
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<p>Here is some sample code taken from a recent project. My x-axis data was an array of NSDates. I set up my axisSet as normal, and then added the following code below:</p> <pre><code>axisSet.xAxis.labelingPolicy = CPTAxisLabelingPolicyNone; NSMutableArray *countingXPoints=[[NSMutableArray alloc] init]; NSMutableArray *datesAsStrings=[[NSMutableArray alloc] init]; NSDateFormatter *df=[[NSDateFormatter alloc] init]; [df setDateFormat:@"MM-yy"]; for(int i=0; i<[self.xAxisData count]; i++) { [countingXPoints addObject:[NSNumber numberWithInt:i]]; [datesAsStrings addObject:[df stringFromDate:[self.xAxisData objectAtIndex:i]]]; } NSArray *xCustomTickLocations = [NSArray arrayWithArray:(NSArray *)countingXPoints]; NSArray *xAxisLabels = [NSArray arrayWithArray:(NSArray *) datesAsStrings]; NSUInteger xLabelLocation = 0; NSMutableArray *xCustomLabels = [[NSMutableArray alloc] initWithCapacity:[xAxisLabels count]]; for (NSNumber *xTickLocation in xCustomTickLocations) { CPTAxisLabel *newXLabel = [[CPTAxisLabel alloc] initWithText: [xAxisLabels objectAtIndex:xLabelLocation++] textStyle:axisSet.xAxis.labelTextStyle]; newXLabel.tickLocation = [xTickLocation decimalValue]; newXLabel.offset = 0.0f; newXLabel.rotation = M_PI/4.0; [xCustomLabels addObject:newXLabel]; } axisSet.xAxis.axisLabels=[NSSet setWithArray:xCustomLabels]; </code></pre> <p>For the y-axis part of your question, you can adjust the tick intervals (attributes of CPTXYAxis). To achieve the correct axis height/length, take a look at the xRange, yRange, globalXRange, and globalYRance attributes of your plotspace.</p>
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1. POhow to plot months of the year on x-axis using core plot in iphone
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  PTQuestion
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1. PTAnswer
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1. USBen Boral
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1. USBen Boral
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