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System and method for displaying bar charts with a fixed magnification area

  • US 8,228,330 B2
  • Filed: 01/30/2009
  • Issued: 07/24/2012
  • Est. Priority Date: 01/30/2009
  • Status: Active Grant
First Claim
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1. A method for displaying on a display screen of a mobile device a chart representing a plurality of data points, the method comprising:

  • displaying a first set of data points on the display screen of the mobile device, each data point in the first set displayed having a fixed width and a height variable according to a value of the data point;

    displaying a second set of data points on the display screen of the mobile device, each data point in the second set displayed as magnified data points within a fixed magnification area of the display screen, the magnified data points having a width greater than the fixed width and a height variable according to a value of the data point and displaying additional information describing the magnified data points compared to data points from the first set;

    responsive to receiving a user input, causing the data points displayed on the screen to move, the moving causing a first data point in the first set to overlap with the fixed magnification area and a second data point in the second set to move out of the fixed magnification area; and

    altering the display of the first data point to be displayed as magnified data point having the width greater than the fixed width and displaying additional information describing the first data point, altering the second data point to have the fixed width, and reducing the amount of information displayed for the second data point.

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