Fixed Magnification Area for Bar Chart Data Precision
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Solution Overview
Problem
Displaying charts and graphs on small devices like smartphones and tablets is challenging due to limited screen size, leading to issues such as bars appearing the same height, difficulty in determining exact y-coordinate values, and excessive use of display area for labels rather than data.
Innovation Solution
Implementing a fixed magnification area that allows a portion of the chart to be displayed at a larger size, providing additional information, and allowing users to navigate and zoom in on specific data points through mechanisms like tilting and swiping, enabling efficient viewing of detailed information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the entire chart is displayed on a small screen, then the display area is fully utilized, but the bars appear the same height and exact y-coordinate values are difficult to determine
Solution Approach 1:
The chart display is segmented into a standard view mode (showing entire chart) and a magnification area (showing detailed view of selected bars). This segmentation allows the system to switch between overview and detailed views, resolving the contradiction between displaying all data and providing precise measurements.
Solution Approach 2:
The patent introduces a new dimension of interaction through touch gestures (pinch-to-zoom, swipe-to-pan) that allows users to dynamically adjust the magnification level. This dimensional change in interaction enables precise measurement of y-coordinate values by zooming in on specific bars while maintaining the ability to view the entire chart context.
2Ease of operation
If labels are displayed with sufficient size, then data is easily readable, but excessive display area is consumed by labels rather than bars
Solution Approach 1:
The patent applies local quality by providing enhanced detail (magnification area) only at specific locations where users need detailed information, rather than uniformly across the entire chart. This allows labels to be large and readable in the magnification area while maintaining efficient use of display space in the standard view.
Solution Approach 2:
The label size and chart scaling are made dynamic through touch-based zoom and pan operations. Users can dynamically adjust the display to show larger labels when needed, while the system automatically adjusts bar sizes and positions to maintain optimal use of display area.
3Measurement precision
If the chart is zoomed in to see detailed information, then exact y-coordinate values become clear, but the overall chart context is lost
Solution Approach 1:
The display is segmented into two functional zones: a standard view area showing the overall chart context and a magnification area showing detailed data points. Users can switch between these segments or have both visible simultaneously, maintaining both context and detail.
Solution Approach 2:
The chart display system is made multi-functional by supporting multiple viewing modes (standard view, magnified view, detailed view) within a single interface. This universality allows users to adapt the display to their specific needs, whether they want overall context or detailed measurements.
Data Source
AI summary
A system and a method are disclosed for visually displaying data points using charts on a display screen with limited display area. A fixed magnification area allows presentation of detailed information for some data points compared to other data points that are displayed. The chart can be moved relative to the fixed magnification area thereby changing the data points displayed within the fixed magnification area that present additional information. The relative movement between the chart and the fixed magnification area is triggered by different kinds of inputs from the user including, tilting of the device, swiping with a pointing device and selecting a particular data point.