Transparent-Media 3D Print Preview for Front-Rear Recognition
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Solution Overview
Problem
When printing on transparent media, users face difficulty in distinguishing between the front and rear sides of preview images due to frequent switching, leading to poor operability.
Innovation Solution
An image processing method that displays a virtual 3D object with superimposed print layers on a transparent medium, allowing users to change the object's posture or viewing direction in a 3D virtual space, and provides display information to differentiate between front and rear sides.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If preview images of front side and rear side are frequently switched, then users can view both sides of the printed matter, but users cannot recognize whether the currently displayed screen is the front side or the rear side
Solution Approach 1:
The patent applies color changes by displaying icons in different colors to represent the front side and rear side of the transparent print medium. When the preview image switches between front and rear sides, the icon color changes accordingly (e.g., blue for front side, red for rear side), providing a visual cue that helps users recognize the current display side without confusion.
Solution Approach 2:
The patent introduces an intermediary element - a display icon - that mediates between the preview image and the user. This icon serves as a visual indicator that accompanies the preview image, providing additional information about which side is currently displayed. The icon acts as a bridge that translates the 3D object state into easily recognizable 2D visual cues.
2Device complexity
If a two-dimensional preview image is displayed, then the display is simple, but users cannot intuitively understand the layering order of print layers on transparent media
Solution Approach 1:
The patent transitions from a two-dimensional preview image to a three-dimensional object representation. By displaying the print layers as a 3D object with depth information, users can intuitively understand the layering order and spatial relationships between different print layers on the transparent medium, while the overall display structure remains relatively simple.
Solution Approach 2:
The patent makes the preview display dynamic by allowing users to rotate and manipulate the 3D object representation. This dynamic interaction enables users to view the print layers from different angles and perspectives, enhancing their understanding of the layering order without requiring complex static diagrams.
Data Source
AI summary
A preview image representing the virtual three dimensional object of the printed matter that superimposed and combined in the stacking order of one or more print layers and a print medium, and the preview image processing method includes displaying, on a display device, the preview image corresponding to appearance in a three dimensional virtual space; receiving a change instruction to change the appearance of the three dimensional object; changing a posture of the three dimensional object in the virtual space and at least one of a viewpoint position and a viewing direction of a virtual camera with respect to the three dimensional object in the virtual space so that the appearance of the three dimensional object is changed in accordance with the change instruction, and displaying the preview image representing the three dimensional object after the change on the display device; and displaying, on the display device, together with the preview image, display information indicating the appearance of the three dimensional object represented by the preview image that is presently being displayed.