Vector Graphics Artboard Rulers and Guides for Touch Precision
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Solution Overview
Problem
Current user interfaces for tablet computers, particularly in graphics drawing applications, lack precision and feedback, making it difficult for users to create vector graphics using pen tools and fingers, as they struggle with accuracy and interaction due to the limitations of touch-surface display screens.
Innovation Solution
The implementation of enhanced user interface features such as artboard guides and rulers with scales, hover mode for feedback, last node markers, long press for help, high precision joystick, and time-lapse video generation, which provide improved interaction and precision for creating vector graphics on touch-sensitive displays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If touch-sensitive display screens are used for graphics drawing, then portability and accessibility are improved, but precision and interaction accuracy deteriorate
Solution Approach 1:
The patent introduces an intermediary cursor element that mediates between the touch input and the drawing operation. The cursor appears as a visual indicator on the artboard that represents the user's input position, allowing for precise placement and interaction while maintaining the simplicity of touch-screen operation. This intermediary element bridges the gap between easy touch input and precise vector graphics creation.
2Measurement precision
If visual feedback is added to touch-screen interaction, then precision is improved, but device complexity increases
Solution Approach 1:
The patent implements visual feedback mechanisms that provide real-time information about the user's input position and the state of drawing operations. The cursor serves as feedback by visually indicating where the user is interacting on the artboard, and additional visual cues provide feedback about selected tools, active layers, and drawing parameters. This feedback system enhances precision without requiring complex hardware modifications.
Data Source
AI summary
Graphics authoring application user interface control and methods for using the same are described. In one embodiment, the method comprises: displaying, by a vector graphics application executing on a tablet, an artboard on the touch-sensitive display surface of the tablet, the artboard being a user interface for displaying vector graphic artwork of a user under control of the vector graphics application executing on the tablet; attaching one or more visual rulers to the artboard, each visual ruler of the one or more visual rules to provide a scale with markers and numbers and users interactable as graphical user interface (GUI) element; and creating one or more guides on the artboard by, at least in part, tapping a cursor positioned on one or more of the one or more rulers, the one or more guides being non-printing lines that appear over the artboard.