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POAndroid: How to create negative values in plots axis based on achartengine lib?
 

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  1. POAndroid: How to create negative values in plots axis based on achartengine lib?
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    <p>I want to create XY plot with positive and negative numbers on both axys. By default achartnegine shows negative values of series but the start popint is always zero^ graph start from zero and next nubmer is something like -50, -40 etc. I have tried to avoid this but haven;t succed yet. Could you please suggest the right approach? </p> <pre><code> XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset(); dataset.addSeries(seriesXY); XYMultipleSeriesRenderer renderer = new XYMultipleSeriesRenderer(); //renderer.setXAxisMin(-10f); //renderer.setYAxisMin(-250f); //renderer.setBarSpacing(SPACING); //renderer.setRange(new double[] { -250d, 250d}); XYSeriesRenderer sRenderer = new XYSeriesRenderer(); sRenderer.setColor(Color.BLUE); sRenderer.setFillBelowLine(false); sRenderer.setChartValuesSpacing(SPACING); sRenderer.setFillBelowLineColor(Color.WHITE); sRenderer.setFillPoints(false); renderer.addSeriesRenderer(sRenderer); renderer.setApplyBackgroundColor(true); renderer.setBackgroundColor(Color.WHITE); renderer.setMarginsColor(Color.WHITE); renderer.setAxesColor(Color.BLACK); renderer.setXLabelsColor(Color.BLUE); renderer.setYLabelsColor(0, Color.BLUE); renderer.setXLabelsAlign(Align.RIGHT); renderer.setYLabelsAlign(Align.RIGHT); GraphicalView chartView = ChartFactory.getLineChartView( getActivity(), dataset, renderer); plot.removeAllViews(); plot.addView(chartView, new LayoutParams( LayoutParams.MATCH_PARENT, 200)); chartView.repaint(); </code></pre> <p>I use LineChartView</p>
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      1. POAndroid: How to create negative values in plots axis based on achartengine lib?
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    1. COPlease post a full example with data, such as I understand what exactly the problem is.
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      1. POAndroid: How to create negative values in plots axis based on achartengine lib?
      1. USDan D.
    2. COExcuse me, I can't post the code to show my problem. I hust write a simple example what I did in real project to clarify my question. My question is how to show negative values on both axys?
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      1. POAndroid: How to create negative values in plots axis based on achartengine lib?
      1. USWinte Winte
    3. COWell, if you provide an example showing how you add data to your dataset, I may be able to spot the problem you have. AChartEngine does support negative values on both axis if used correctly. I don't need to see your entire code, just an example showing the problem. The code you posted above just creates a series and a renderer and sets some properties on the renderer. I am sure the problem is related to the way you populate your data.
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      1. POAndroid: How to create negative values in plots axis based on achartengine lib?
      1. USDan D.
 

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