Network Camera Slider Tooltip Resolves Cursor Overlap
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Solution Overview
Problem
In slider controls with a slider thumb spanning multiple values, users face difficulty in grasping the current value due to tooltip displays showing movement destination values instead of current values, especially when the cursor is on the thumb.
Innovation Solution
An information processing apparatus determines the overlapping state of a cursor with a slider bar and thumb, displaying the current value of the slider thumb in a tooltip regardless of cursor position, ensuring users can accurately understand the slider thumb's position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the slider thumb has a large size to span multiple values, then the ease of operation is improved, but the measurement precision of the current value deteriorates
Solution Approach 1:
The tooltip display is segmented into two distinct modes: when the cursor is on the slider bar (showing movement destination value) and when the cursor is on the slider thumb (showing current value). This segmentation allows the system to provide different information based on user intent, resolving the contradiction between large thumb size and precise value indication.
Solution Approach 2:
Different parts of the interface provide different types of information based on local context. The tooltip adapts its content based on where the cursor is located - providing movement destination information when hovering over the bar, and current value confirmation when hovering over the thumb. This local differentiation maintains both ease of operation and measurement precision.
2Measurement precision
If the tooltip displays the movement destination value when the cursor is on the slider bar, then the information accuracy is improved, but the loss of information occurs when the cursor moves to the slider thumb
Solution Approach 1:
The tooltip content dynamically changes based on cursor position. When the cursor is on the slider bar, the tooltip shows the movement destination value. When the cursor moves to the slider thumb, the tooltip automatically switches to showing the current value. This dynamic adaptation prevents information loss and maintains continuous accuracy throughout the interaction.
Solution Approach 2:
The system provides feedback about the current state based on user interaction. When the cursor is on the thumb, the tooltip confirms the current value, providing feedback that prevents information loss. This feedback mechanism ensures the user always has accurate information about the slider state regardless of cursor position.
Data Source
AI summary
A control apparatus of a network camera includes a determination unit configured to determine an overlapping state of a cursor with each of a slider bar and a slider thumb, which configure a slider control, on a display screen of a display unit, a decision unit configured to decide information that relates to the slider control and is to be displayed on the display unit, based on a condition corresponding to a result of the determination by the determination unit, a display control unit configured to display the information decided by the decision unit on the display unit, and a transmission unit configured to transmit, to the network camera, a control signal that corresponds to a position of the slider thumb and is changed in response to input of an instruction by a user.