Column Fit Document Traversal for Reader Applications
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Solution Overview
Problem
When displaying fixed-format documents with multiple columns on devices with small displays, the content becomes smaller than desirable, affecting legibility, and existing methods do not provide a consistent and intuitive way to navigate through columns effectively.
Innovation Solution
An electronic device method that allows users to transition smoothly between columns using user input gestures, such as swipes and taps, while maintaining column formatting, and adjusts zoom levels to improve legibility and navigation by displaying either full-page or guided-pan modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If fixed format documents with multiple columns are displayed on small devices, then the document layout is preserved, but the content size becomes too small for comfortable reading
Solution Approach 1:
The document is divided into individual column segments that can be independently displayed and navigated. Instead of showing the entire multi-column document at once, the system segments the content into manageable portions, allowing each column to be displayed at an appropriate size for the device screen while maintaining the overall document structure.
Solution Approach 2:
The system transitions from displaying the document in its original two-dimensional fixed format to a sequential one-dimensional navigation approach. Columns are displayed in reading order (left-to-right, top-to-bottom) across multiple screens, effectively adding a temporal/navigation dimension to the display experience while preserving the visual layout of each individual column.
2Ease of operation
If users navigate through multi-column documents on small devices, then content can be viewed, but navigation becomes complex and non-intuitive
Solution Approach 1:
The system automatically determines the reading order and sequence of columns based on the document's layout structure, eliminating the need for users to manually figure out navigation patterns. The device self-manages the complexity of multi-column navigation by implementing intelligent column detection and sequential display logic, providing intuitive swipe-based navigation.
Solution Approach 2:
The system dynamically changes display parameters such as column width, font size, and spacing based on the device screen dimensions and orientation. By adjusting these parameters automatically, the system simplifies navigation while maintaining optimal readability for each displayed column.
Data Source
AI summary
An electronic device displays a view of a lower portion of a first column from a document. The document includes at least a first column and a second column. A first user input gesture is received by the electronic device. In response to detecting the first user input gesture, the electronic device displays an animated transition from the view of the lower portion of the first column to a view of an upper portion of the second column.