point « plot « iPhone iPad Media Q&A

1. Using core-plot, how can you convert a touched point to the plot space?    stackoverflow.com

I have a very simple graph that I want to enable touch on, I have the first part working: plotSpace.delegate = self; and the method:

-(BOOL)plotSpace:(CPPlotSpace *)space
shouldHandlePointingDeviceDownEvent:(id)event atPoint:(CGPoint)point
{
    NSLog(@"touched at: x: %f ...

2. iOS chart framework: TapkuLibrary, Core-Plot or any. Tap of point calls method?    stackoverflow.com

I'm working on an iOS project where tapping on a particular point in a graph should take the user to another scene. Basically, to be able to trigger a method from ...

3. Plotting heading between two points in x-y plane    stackoverflow.com

I'm trying to implement a small radar that plots targets based on latitude and longitude coordinates similar to the radar in the Layar AR iPhone app. I have the compass and ...

4. Plot a Few Points on a Graph and Calculate the Average    stackoverflow.com

First of all, I've looked at Core Plot for what I want to do and I think my problem might a bit too simple for it. I want to have the user ...

5. Core-Plot: Trouble Adding Data Points to a Line Graph    stackoverflow.com

Currently I am using the following code from the scatter plot example code:

// Axes
CPTXYAxisSet *xyAxisSet = (id)graph.axisSet;
CPTXYAxis *xAxis = xyAxisSet.xAxis;
CPTMutableLineStyle *lineStyle = [xAxis.axisLineStyle mutableCopy];
lineStyle.lineCap = kCGLineCapButt;

6. Core-Plot graph not showing any data points    stackoverflow.com

I've been able to get the axes for a standard core-plot graph to show up, but I'm having some trouble actually adding points to it. I have these two methods declared in ...

7. Move core plot x axis to last point    stackoverflow.com

My core plot graph in my iPhone app is drawing nicely. However, one thing I can't seem to figure out. How can I get the graph to scroll to the end ...

8. iPhone4 Core Plot what's a reasonable number of points for scatter plot?    stackoverflow.com

I'm messing around with the Core Plot, and the performance is killing me. I have up to 43000 data points, and it appears that the core plot is failing after about ...

9. Is it possible to get CPTBarPlot's tip point value(CGPoint value)?    stackoverflow.com

In the Vertical bar chart, I am using 1 or 2 plots to draw a CPTBarPlot. Now when user tap on on that BarPlot, I want to retrieve tip point of ...