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https://github.com/607011/applecore
Deeply zoom into the Mandelbrot set and create videos from your journey
https://github.com/607011/applecore
cplusplus cplusplus-17 image-generation mandelbrot mandelbrot-renderer opencv opencv4 video yaml
Last synced: about 2 months ago
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Deeply zoom into the Mandelbrot set and create videos from your journey
- Host: GitHub
- URL: https://github.com/607011/applecore
- Owner: 607011
- License: mit
- Created: 2024-11-28T12:59:20.000Z (about 2 months ago)
- Default Branch: main
- Last Pushed: 2024-11-28T13:29:14.000Z (about 2 months ago)
- Last Synced: 2024-11-28T14:31:15.054Z (about 2 months ago)
- Topics: cplusplus, cplusplus-17, image-generation, mandelbrot, mandelbrot-renderer, opencv, opencv4, video, yaml
- Language: C++
- Homepage:
- Size: 6.84 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# AppleCore
**Deeply zoom into the Mandelbrot set and automatically create videos from your journey**
This software generates a series of images around a given center point of the Mandelbrot set and saves them to image files, e.g. PNG or JPG. Because it calculates with arbitrary precision floating-point numbers, theoretically any zoom level is possible.
## Build
### macOS, Linux
```bash
git clone https://github.com/607011/AppleCore.git
cd AppleCore
mkdir build
cd build
cmake -DCMAKE_BUILD_TYPE=Release ..
cmake --build .
```
## Run
```bash
./mandelbrot config.yaml
```
config.yaml contains the configuration for your journey:
- `width` and `height`: the size of the resulting images.
- `zoom`: the zoom range. In each iteration the zoom is multiplied by `factor`, then `increment` is added to the result.
- `out_file`: template for the names of the images files generated; `%z` will be replaced by a 6-digit sequence number.
- `center`: the real (`r`) and imaginary (`i`) part of the center point of the images
- `palette`: a series of comma-separated RGB values to colorize the generated images; default is a grayscale palette [0–255].
```yaml
width: 3840
height: 2160
zoom:
from: 0.5
to: 10000
factor: 1.1
increment: 0
out_file: mandelbrot-%z.png
center:
r: 0.25041256420084111635701059145359920563610567033825287726745220758979353221647098362292311491423201419124855889664791486802053514372495353184361382776108352724063135779957032143020010594904114445020489572866810435489590208032
i: 0.00001271208042916202422432592307682294230943345688139118046259628555161099396571222351815779936411578902341792926856777472930106023932290150278193914336807532076818902748428279181727568041854049799687884398478342390628980752
palette:
- 66, 30, 15
- 25, 7, 26
- 9, 1, 47
- 4, 4, 73
- 0, 7, 100
- 12, 44, 138
- 24, 82, 177
- 57, 125, 209
- 134, 181, 229
- 211, 236, 248
- 241, 233, 191
- 248, 201, 95
- 255, 170, 0
- 204, 128, 0
- 153, 87, 0
- 106, 52, 3
```
## Postprocess
When `mandelbrot` has completed the generation of the image files, you can combine them into a video with the aid of FFMpeg, for instance:
```bash
ffmpeg -y -framerate 60 \
-start_number 0 -i "mandelbrot-%06d.png" \
-c:v libx264 -pix_fmt yuv420p \
journey.mp4
```