Polygon Angle Range Display Control for Graphic Devices
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Solution Overview
Problem
Conventional graphic display control devices do not provide users with the range of possible angle values for a polygon, leading to potential errors when setting angle values, as users may input values outside the valid range.
Innovation Solution
A graphic display control device that includes a processor to display a polygon and determine the range of possible angle values based on set characteristics, allowing users to visualize and adjust angle values within this range through a slider interface on the display screen.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional graphic display control devices display only the set value for an angle without indicating the possible range, then the device complexity is reduced, but the reliability deteriorates because users may input values outside the valid range causing errors
Solution Approach 1:
The system calculates and displays the minimum and maximum possible angle values before the user inputs a value. This preliminary action provides users with the valid range information in advance, preventing invalid inputs and improving reliability without adding complex interaction mechanisms.
Solution Approach 2:
The patent introduces an intermediary display element (the range display showing minimum and maximum values) between the input field and the validation logic. This intermediary visually communicates the valid range to users, serving as a mediator that guides user input and prevents errors without requiring complex validation mechanisms.
2Loss of information
If the device provides only a single value input field for angles, then the ease of operation is improved, but the loss of information occurs because users cannot know the valid range of values
Solution Approach 1:
The angle value display is segmented into three parts: the minimum value field, the set value field, and the maximum value field. This segmentation allows the system to provide comprehensive range information while maintaining a simple input interface, as users only need to input the angle value without needing to understand or calculate the valid range themselves.
Solution Approach 2:
The display system performs multiple functions: it shows the user-input value, automatically calculates and displays the minimum possible angle, and automatically calculates and displays the maximum possible angle. This multi-functionality ensures users have complete information about the valid range without adding operational complexity.
3Measurement precision
If the system calculates and displays minimum and maximum angle values based on polygon geometry, then the measurement precision is improved, but the device complexity increases due to additional calculation processes
Solution Approach 1:
The system uses the existing polygon vertex coordinates and side length constraints to automatically calculate the minimum and maximum angle values. The calculation leverages the geometric relationships already present in the polygon data structure, allowing the system to self-determine the valid angle range without requiring external input or complex iterative algorithms.
Data Source
AI summary
A graphic display control device includes: a display screen; and a processor configured to perform: a graphic display control process to perform control to display a polygon on the display screen; a graphic value setting process to set a value denoting a characteristic for at least one of an angle and a side of the displayed polygon; an angle range determining process to determine a range of possible angle value as the value denoting the characteristic for a target angle of the displayed polygon based on the value denoting the characteristic set by the graphic value setting process; and an angle range display control process to perform control to display the range of possible angle value determined by the angle range determining process for the target angle.