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POdynamic data in coreplot iOS on x-axis and y-axis
 

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  1. POdynamic data in coreplot iOS on x-axis and y-axis
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    <p>how to have dynamic data in x-axis/y-axis in coreplot iOS :Currently using the demo code here:Below every column I need year on x-axis which itself is dynamic and y axis revenue amount .How do I do that dynamically?</p> <pre><code> // // CPDStockPriceStore.m // CorePlotDemo // // NB: Price data obtained from Yahoo! Finance: // http://finance.yahoo.com/q/hp?s=AAPL // http://finance.yahoo.com/q/hp?s=GOOG // http://finance.yahoo.com/q/hp?s=MSFT // // Created by Steve Baranski on 5/4/12. // Copyright (c) 2012 komorka technology, llc. All rights reserved. // #import "CPDStockPriceStore.h" @interface CPDStockPriceStore () @end @implementation CPDStockPriceStore #pragma mark - Class methods + (CPDStockPriceStore *)sharedInstance { static CPDStockPriceStore *sharedInstance; static dispatch_once_t once; dispatch_once(&amp;once, ^{ sharedInstance = [[self alloc] init]; }); return sharedInstance; } #pragma mark - API methods - (NSArray *)tickerSymbols { static NSArray *symbols = nil; if (!symbols) { symbols = [NSArray arrayWithObjects: @"AAPL", @"GOOG", @"MSFT", nil]; } return symbols; } - (NSArray *)dailyPortfolioPrices { static NSArray *prices = nil; if (!prices) { prices = [NSArray arrayWithObjects: [NSDecimalNumber numberWithFloat:582.13], [NSDecimalNumber numberWithFloat:604.43], [NSDecimalNumber numberWithFloat:32.01], nil]; } return prices; } - (NSArray *)datesInWeek { static NSArray *dates = nil; if (!dates) { dates = [NSArray arrayWithObjects: @"4/23", @"4/24", @"4/25", @"4/26", @"4/27", nil]; } return dates; } - (NSArray *)weeklyPrices:(NSString *)tickerSymbol { if ([CPDTickerSymbolAAPL isEqualToString:[tickerSymbol uppercaseString]] == YES) { return [self weeklyAaplPrices]; } else if ([CPDTickerSymbolGOOG isEqualToString:[tickerSymbol uppercaseString]] == YES) { return [self weeklyGoogPrices]; } else if ([CPDTickerSymbolMSFT isEqualToString:[tickerSymbol uppercaseString]] == YES) { return [self weeklyMsftPrices]; } return [NSArray array]; } - (NSArray *)datesInMonth { static NSArray *dates = nil; if (!dates) { dates = [NSArray arrayWithObjects: @"2", @"3", @"4", @"5", @"9", @"10", @"11", @"12", @"13", @"16", @"17", @"18", @"19", @"20", @"23", @"24", @"25", @"26", @"27", @"30", nil]; } return dates; } - (NSArray *)monthlyPrices:(NSString *)tickerSymbol { if ([CPDTickerSymbolAAPL isEqualToString:[tickerSymbol uppercaseString]] == YES) { return [self monthlyAaplPrices]; } else if ([CPDTickerSymbolGOOG isEqualToString:[tickerSymbol uppercaseString]] == YES) { return [self monthlyGoogPrices]; } else if ([CPDTickerSymbolMSFT isEqualToString:[tickerSymbol uppercaseString]] == YES) { return [self monthlyMsftPrices]; } return [NSArray array]; } #pragma mark - Private behavior - (NSArray *)weeklyAaplPrices { static NSArray *prices = nil; if (!prices) { prices = [NSArray arrayWithObjects: [NSDecimalNumber numberWithFloat:571.70], [NSDecimalNumber numberWithFloat:560.28], [NSDecimalNumber numberWithFloat:610.00], [NSDecimalNumber numberWithFloat:607.70], [NSDecimalNumber numberWithFloat:603.00], nil]; } return prices; } - (NSArray *)weeklyGoogPrices { static NSArray *prices = nil; if (!prices) { prices = [NSArray arrayWithObjects: [NSDecimalNumber numberWithFloat:597.60], [NSDecimalNumber numberWithFloat:601.27], [NSDecimalNumber numberWithFloat:609.72], [NSDecimalNumber numberWithFloat:615.47], [NSDecimalNumber numberWithFloat:614.98], nil]; } return prices; } - (NSArray *)weeklyMsftPrices { static NSArray *prices = nil; if (!prices) { prices = [NSArray arrayWithObjects: [NSDecimalNumber numberWithFloat:32.12], [NSDecimalNumber numberWithFloat:31.92], [NSDecimalNumber numberWithFloat:32.20], [NSDecimalNumber numberWithFloat:32.11], [NSDecimalNumber numberWithFloat:31.98], nil]; } return prices; } - (NSArray *)monthlyAaplPrices { static NSArray *prices = nil; if (!prices) { prices = [NSArray arrayWithObjects: [NSDecimalNumber numberWithFloat:618.63], [NSDecimalNumber numberWithFloat:629.32], [NSDecimalNumber numberWithFloat:624.31], [NSDecimalNumber numberWithFloat:633.68], [NSDecimalNumber numberWithFloat:636.23], [NSDecimalNumber numberWithFloat:628.44], [NSDecimalNumber numberWithFloat:626.20], [NSDecimalNumber numberWithFloat:622.77], [NSDecimalNumber numberWithFloat:605.23], [NSDecimalNumber numberWithFloat:580.13], [NSDecimalNumber numberWithFloat:609.70], [NSDecimalNumber numberWithFloat:608.34], [NSDecimalNumber numberWithFloat:587.44], [NSDecimalNumber numberWithFloat:572.98], [NSDecimalNumber numberWithFloat:571.70], [NSDecimalNumber numberWithFloat:560.28], [NSDecimalNumber numberWithFloat:610.00], [NSDecimalNumber numberWithFloat:607.70], [NSDecimalNumber numberWithFloat:603.00], [NSDecimalNumber numberWithFloat:583.98], nil]; } return prices; } - (NSArray *)monthlyGoogPrices { static NSArray *prices = nil; if (!prices) { prices = [NSArray arrayWithObjects: [NSDecimalNumber numberWithFloat:646.92], [NSDecimalNumber numberWithFloat:642.62], [NSDecimalNumber numberWithFloat:635.15], [NSDecimalNumber numberWithFloat:632.32], [NSDecimalNumber numberWithFloat:630.84], [NSDecimalNumber numberWithFloat:626.86], [NSDecimalNumber numberWithFloat:635.96], [NSDecimalNumber numberWithFloat:651.01], [NSDecimalNumber numberWithFloat:624.60], [NSDecimalNumber numberWithFloat:606.07], [NSDecimalNumber numberWithFloat:609.57], [NSDecimalNumber numberWithFloat:607.45], [NSDecimalNumber numberWithFloat:599.30], [NSDecimalNumber numberWithFloat:596.06], [NSDecimalNumber numberWithFloat:597.60], [NSDecimalNumber numberWithFloat:601.27], [NSDecimalNumber numberWithFloat:609.72], [NSDecimalNumber numberWithFloat:615.47], [NSDecimalNumber numberWithFloat:614.98], [NSDecimalNumber numberWithFloat:604.85], nil]; } return prices; } - (NSArray *)monthlyMsftPrices { static NSArray *prices = nil; if (!prices) { prices = [NSArray arrayWithObjects: [NSDecimalNumber numberWithFloat:32.29], [NSDecimalNumber numberWithFloat:31.94], [NSDecimalNumber numberWithFloat:31.21], [NSDecimalNumber numberWithFloat:31.52], [NSDecimalNumber numberWithFloat:31.10], [NSDecimalNumber numberWithFloat:30.47], [NSDecimalNumber numberWithFloat:30.35], [NSDecimalNumber numberWithFloat:30.98], [NSDecimalNumber numberWithFloat:30.81], [NSDecimalNumber numberWithFloat:31.08], [NSDecimalNumber numberWithFloat:31.44], [NSDecimalNumber numberWithFloat:31.14], [NSDecimalNumber numberWithFloat:31.01], [NSDecimalNumber numberWithFloat:32.42], [NSDecimalNumber numberWithFloat:32.12], [NSDecimalNumber numberWithFloat:31.92], [NSDecimalNumber numberWithFloat:32.20], [NSDecimalNumber numberWithFloat:32.11], [NSDecimalNumber numberWithFloat:31.98], [NSDecimalNumber numberWithFloat:32.02], nil]; } return prices; } @end #import "CPDBarGraphViewController.h" @interface CPDBarGraphViewController () @property (nonatomic, strong) IBOutlet CPTGraphHostingView *hostView; @property (nonatomic, strong) CPTBarPlot *aaplPlot; @property (nonatomic, strong) CPTBarPlot *googPlot; @property (nonatomic, strong) CPTBarPlot *msftPlot; @property (nonatomic, strong) CPTPlotSpaceAnnotation *priceAnnotation; -(IBAction)aaplSwitched:(id)sender; -(IBAction)googSwitched:(id)sender; -(IBAction)msftSwitched:(id)sender; -(void)initPlot; -(void)configureGraph; -(void)configurePlots; -(void)configureAxes; -(void)hideAnnotation:(CPTGraph *)graph; @end @implementation CPDBarGraphViewController CGFloat const CPDBarWidth = 0.25f; CGFloat const CPDBarInitialX = 0.25f; @synthesize hostView = hostView_; @synthesize aaplPlot = aaplPlot_; @synthesize googPlot = googPlot_; @synthesize msftPlot = msftPlot_; @synthesize priceAnnotation = priceAnnotation_; #pragma mark - Rotation -(BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { return (interfaceOrientation == UIInterfaceOrientationLandscapeLeft); } #pragma mark - UIViewController lifecycle methods -(void)viewDidLoad { [super viewDidLoad]; [self initPlot]; } #pragma mark - Chart behavior -(void)initPlot { self.hostView.allowPinchScaling = NO; [self configureGraph]; [self configurePlots]; [self configureAxes]; } -(void)configureGraph { // 1 - Create the graph CPTGraph *graph = [[CPTXYGraph alloc] initWithFrame:self.hostView.bounds]; graph.plotAreaFrame.masksToBorder = NO; self.hostView.hostedGraph = graph; // 2 - Configure the graph [graph applyTheme:[CPTTheme themeNamed:kCPTPlainBlackTheme]]; graph.paddingBottom = 30.0f; graph.paddingLeft = 30.0f; graph.paddingTop = -1.0f; graph.paddingRight = -5.0f; // 3 - Set up styles CPTMutableTextStyle *titleStyle = [CPTMutableTextStyle textStyle]; titleStyle.color = [CPTColor whiteColor]; titleStyle.fontName = @"Helvetica-Bold"; titleStyle.fontSize = 16.0f; // 4 - Set up title NSString *title = @"Portfolio Prices: April 23 - 27, 2012"; graph.title = title; graph.titleTextStyle = titleStyle; graph.titlePlotAreaFrameAnchor = CPTRectAnchorTop; graph.titleDisplacement = CGPointMake(0.0f, -16.0f); // 5 - Set up plot space CGFloat xMin = 0.0f; CGFloat xMax = [[[CPDStockPriceStore sharedInstance] datesInWeek] count]; CGFloat yMin = 0.0f; CGFloat yMax = 800.0f; // should determine dynamically based on max price CPTXYPlotSpace *plotSpace = (CPTXYPlotSpace *) graph.defaultPlotSpace; plotSpace.xRange = [CPTPlotRange plotRangeWithLocation:CPTDecimalFromFloat(xMin) length:CPTDecimalFromFloat(xMax)]; plotSpace.yRange = [CPTPlotRange plotRangeWithLocation:CPTDecimalFromFloat(yMin) length:CPTDecimalFromFloat(yMax)]; } -(void)configurePlots { // 1 - Set up the three plots self.aaplPlot = [CPTBarPlot tubularBarPlotWithColor:[CPTColor redColor] horizontalBars:NO]; self.aaplPlot.identifier = CPDTickerSymbolAAPL; self.googPlot = [CPTBarPlot tubularBarPlotWithColor:[CPTColor greenColor] horizontalBars:NO]; self.googPlot.identifier = CPDTickerSymbolGOOG; self.msftPlot = [CPTBarPlot tubularBarPlotWithColor:[CPTColor blueColor] horizontalBars:NO]; self.msftPlot.identifier = CPDTickerSymbolMSFT; // 2 - Set up line style CPTMutableLineStyle *barLineStyle = [[CPTMutableLineStyle alloc] init]; barLineStyle.lineColor = [CPTColor lightGrayColor]; barLineStyle.lineWidth = 0.5; // 3 - Add plots to graph CPTGraph *graph = self.hostView.hostedGraph; CGFloat barX = CPDBarInitialX; NSArray *plots = [NSArray arrayWithObjects:self.aaplPlot, self.googPlot, self.msftPlot, nil]; for (CPTBarPlot *plot in plots) { plot.dataSource = self; plot.delegate = self; plot.barWidth = CPTDecimalFromDouble(CPDBarWidth); plot.barOffset = CPTDecimalFromDouble(barX); plot.lineStyle = barLineStyle; [graph addPlot:plot toPlotSpace:graph.defaultPlotSpace]; barX += CPDBarWidth; } } -(void)configureAxes { // 1 - Configure styles CPTMutableTextStyle *axisTitleStyle = [CPTMutableTextStyle textStyle]; axisTitleStyle.color = [CPTColor whiteColor]; axisTitleStyle.fontName = @"Helvetica-Bold"; axisTitleStyle.fontSize = 12.0f; CPTMutableLineStyle *axisLineStyle = [CPTMutableLineStyle lineStyle]; axisLineStyle.lineWidth = 2.0f; axisLineStyle.lineColor = [[CPTColor whiteColor] colorWithAlphaComponent:1]; // 2 - Get the graph's axis set CPTXYAxisSet *axisSet = (CPTXYAxisSet *) self.hostView.hostedGraph.axisSet; // 3 - Configure the x-axis axisSet.xAxis.labelingPolicy = CPTAxisLabelingPolicyNone; axisSet.xAxis.title = @"Days of Week (Mon - Fri)"; axisSet.xAxis.titleTextStyle = axisTitleStyle; axisSet.xAxis.titleOffset = 10.0f; axisSet.xAxis.axisLineStyle = axisLineStyle; // 4 - Configure the y-axis axisSet.yAxis.labelingPolicy = CPTAxisLabelingPolicyNone; axisSet.yAxis.title = @"Price"; axisSet.yAxis.titleTextStyle = axisTitleStyle; axisSet.yAxis.titleOffset = 5.0f; axisSet.yAxis.axisLineStyle = axisLineStyle; } -(void)hideAnnotation:(CPTGraph *)graph { if ((graph.plotAreaFrame.plotArea) &amp;&amp; (self.priceAnnotation)) { [graph.plotAreaFrame.plotArea removeAnnotation:self.priceAnnotation]; self.priceAnnotation = nil; } } #pragma mark - CPTPlotDataSource methods -(NSUInteger)numberOfRecordsForPlot:(CPTPlot *)plot { return [[[CPDStockPriceStore sharedInstance] datesInWeek] count]; } -(NSNumber *)numberForPlot:(CPTPlot *)plot field:(NSUInteger)fieldEnum recordIndex:(NSUInteger)index { if ((fieldEnum == CPTBarPlotFieldBarTip) &amp;&amp; (index &lt; [[[CPDStockPriceStore sharedInstance] datesInWeek] count])) { if ([plot.identifier isEqual:CPDTickerSymbolAAPL]) { return [[[CPDStockPriceStore sharedInstance] weeklyPrices:CPDTickerSymbolAAPL] objectAtIndex:index]; } } return [NSDecimalNumber numberWithUnsignedInteger:index]; } #pragma mark - CPTBarPlotDelegate methods -(void)barPlot:(CPTBarPlot *)plot barWasSelectedAtRecordIndex:(NSUInteger)index { NSLog(@"barWasSelectedAtRecordIndex %d", index); } @end </code></pre>
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