Weather Data Animation Rendering via Bicubic Interpolation
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Solution Overview
Problem
Current methods for animating weather data are not smooth, seamless, or easy to understand, often resulting in blocky or glitchy animations due to the need for pre-rendered weather tiles and inaccurate interpolation techniques.
Innovation Solution
A method utilizing bicubic interpolation on a GPU to calculate missing weather data between frames, allowing for smooth and accurate rendering of weather data animations by interpolating across three dimensions (time and X and Y axes).
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If pre-rendered weather tiles are sent to client devices for animation rendering, then the animation can be displayed on client devices, but the data transfer amount increases and the animation becomes blocky or glitchy during load
Solution Approach 1:
The server pre-calculates and stores intermediate weather data frames in the database, so when a client requests animation data, the intermediate frames are already prepared and can be quickly retrieved and rendered, avoiding the need to transfer large amounts of raw weather data while ensuring smooth animation playback
Solution Approach 2:
The patent introduces an intermediate data representation layer between the raw weather data and the final animation. The server processes weather data into intermediate frames stored in the database, which act as a mediator that reduces the data transfer burden on clients while providing sufficient information for smooth animation rendering
2Loss of information
If linear interpolation or quadratic interpolation is used to determine values between weather frames, then some data can be generated between frames, but the representation of weather data is inaccurate
Solution Approach 1:
The patent changes the interpolation parameter from simple linear or quadratic methods to a more sophisticated approach that considers multiple weather parameters simultaneously. By storing and interpolating multiple intermediate frames with different parameters, the system achieves both completeness and accuracy in the generated weather data
3Ease of manufacture
If stop-motion frame animation is used to display weather data, then the animation can be rendered with existing software, but the information between frames is not presented and the animation is not smooth
Solution Approach 1:
The system pre-generates intermediate animation frames and stores them in the database before client request. This preliminary action ensures that when the client requests animation data, smooth intermediate frames are already available, eliminating the need for complex real-time interpolation while maintaining software compatibility and animation smoothness
Data Source
AI summary
A method for generating smooth transitions between animated image frames includes providing a client device; identifying a viewable area bounding box on the client device; calculating a zoom level for the weather data; determining a frame tile associated with a time frame to render the viewable area; requesting and receiving weather frame data for the frame tiles; loading the weather frame data into a shader; generating a texture to store a weather data value associated with a selected color; loading the GRIB data into map tiles objects; determining a position in a temporal range of animation positions from a beginning frame to an end frame; updating the objects with the position; using bicubic interpolation to produce a GRIB value associated with the position; assigning an output color by comparing the GRIB value against the texture; rendering an animated sequence of the frames; and repeating.