Dynamic Line End Tool Orientation in Graphics Editing

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Solution Overview

Problem

Current graphics editing applications fail to accurately match the orientation of end points of drawn graphics objects, such as lines or arrows, with the corresponding controls displayed in the user interface.

Innovation Solution

A system and method that allows users to select and change the end points of a drawing line, with the line end tools being dynamically redisplayed based on the orientation of the line, ensuring that the end points in the user interface align with the drawn line.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If the user draws a line with specific end points in the graphics editing application, then the line is created on the canvas, but the orientation of the end points does not match the controls displayed on the user interface

Engineering Contradiction:
Improveorientation matching between drawn line end points and UI controlsVSAvoiduser interface control alignment
Core Design Contradiction:
Manufacturing precisionVSEase of operation

Solution Approach 1:

The user interface controls (line end tools) are dynamically redisplayed based on the orientation of the drawn line. When the line orientation changes, the controls automatically adjust their orientation to match, creating a dynamic synchronization between the graphical object and its controls. This resolves the contradiction by making the system adaptive rather than static.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system provides visual feedback by redisplaying the line end tools in alignment with the orientation of the drawn line. This feedback mechanism ensures that the controls reflect the actual state of the graphical object, allowing users to see the correspondence between their drawing actions and the available modification options.

Inventive Principle:
Principle #23Feedback

2Manufacturing precision

If the line end tools are displayed in fixed orientation in the user interface, then the interface structure is simple, but the end points of the drawn line do not align with the controls

Engineering Contradiction:
Improvealignment between line end points and controlsVSAvoidinterface control system
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The line end tools transition from a static fixed orientation to a dynamic orientation that automatically adjusts based on the drawn line's orientation. This dynamic behavior maintains precision alignment without requiring complex manual intervention, as the system automatically detects and responds to orientation changes.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The interface control system automatically adjusts the orientation of line end tools based on the drawn line's orientation without requiring additional user input. The system serves itself by detecting the line orientation and autonomously reorienting the controls to match, reducing the need for complex user-managed alignment mechanisms.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS8547403B1Smart Graphics objects
Publication Date: 2013.10.01 APPLE INC
  • US8547403B1 patent drawing
  • US8547403B1 patent drawing
  • US8547403B1 patent drawing

AI summary

A method for receiving, via a computer, a selection of a drawing line is provided. The drawing line has a first end point and a second end point. The drawing line is displayed in a display area of a display device. The computer receives a selection of a change to the first end point and the second end point. The drawing line and a line end tool are then redisplayed in the display area of the display device based on an orientation of the drawing line.