Question 1

How to create a solar-based wallpaper with wallpapper?

Accepted Answer

Use wallpapper-exif to extract GPS and time metadata from photos for sun position calculations, then create a JSON file with altitude and azimuth values. Run `wallpapper -i jsonFile` to generate the HEIC file, as detailed in the solar section.

Question 2

Wallpapper vs Dynamic Wallpaper Engine on macOS?

Accepted Answer

Wallpapper is free, open-source, and CLI-focused, ideal for automation and custom solar calculations. Dynamic Wallpaper Engine is a paid app with a GUI, better for users who prefer visual editing and pre-made content.

Question 3

How to extract metadata from an existing HEIC dynamic wallpaper?

Accepted Answer

Run `wallpapper -e filename.heic` to print metadata to the console, or use `-o output.plist` to save it as a property list file, as explained in the extracting metadata section.

Question 4

Can wallpapper handle video files for wallpapers?

Accepted Answer

No, it only supports static image files like PNG or JPEG for creating HEIC dynamic wallpapers, as mentioned in the JSON examples. Video integration isn't part of its feature set.

Question 5

What's the difference between time-based and appearance-based wallpapers in wallpapper?

Accepted Answer

Time-based uses specific time points for transitions, while appearance-based switches only with macOS light/dark mode settings. Both require JSON configurations with different properties like 'time' or 'isForLight/Dark'.

Question 6

How to troubleshoot wallpapper build errors on macOS?

Accepted Answer

Ensure you have the latest Xcode and Swift 5.2+ installed, and if errors persist, run `sudo xcode-select -s /Applications/Xcode.app/Contents/Developer` as noted in the troubleshooting section.

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