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# Rotate tiles
This tool can be used to transform an image containing a tileset into a new
one with a single column of tiles, so can be loaded with ".incpng" and the
result is easy to index.
For example, given 6 tiles of 8x8 pixels in `origin.ong`:
```
012345
```
The command `./rotate.py origin.png 8 8 dest.png` will generate an image with
the tiles rearranged like this:
```
0
1
2
3
4
5
```
In this way tile 0 is in `addr`, tile 1 in `addr + 64`, tile 2 in `addr + 128`, etc.
## Requirements
The tool requires:
- Python 3
- PIL (or Pillow)
For example, you can install Pillow with:
```
python3 -m pip install --upgrade pip
python3 -m pip install --upgrade Pillow
```
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