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updated README with info on weighted partial prompts

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Lincoln Stein 2022-08-23 01:58:47 -04:00
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@ -57,16 +57,16 @@ dream> q
00011.png: "there's a fly in my soup" -n6 -g -S 2685670268 00011.png: "there's a fly in my soup" -n6 -g -S 2685670268
~~~~ ~~~~
The dream> prompt's arguments are pretty much The dream> prompt's arguments are pretty much identical to those used
identical to those used in the Discord bot, except you don't need to in the Discord bot, except you don't need to type "!dream" (it doesn't
type "!dream" (it doesn't hurt if you do). A significant change is that creation of individual images hurt if you do). A significant change is that creation of individual
is now the default images is now the default unless --grid (-g) is given. For backward
unless --grid (-g) is given. For backward compatibility, the -i switch is recognized. compatibility, the -i switch is recognized. For command-line help
For command-line help type -h (or --help) at the dream> prompt. type -h (or --help) at the dream> prompt.
The script itself also recognizes a series of command-line switches that will change The script itself also recognizes a series of command-line switches
important global defaults, such as the directory for image outputs and the location that will change important global defaults, such as the directory for
of the model weight files. image outputs and the location of the model weight files.
## Image-to-Image ## Image-to-Image
@ -84,8 +84,30 @@ The --init_img (-I) option gives the path to the seed picture. --strength (-f) c
the original will be modified, ranging from 0.0 (keep the original intact), to 1.0 (ignore the original the original will be modified, ranging from 0.0 (keep the original intact), to 1.0 (ignore the original
completely). The default is 0.75, and ranges from 0.25-0.75 give interesting results. completely). The default is 0.75, and ranges from 0.25-0.75 give interesting results.
## Weighted Prompts
You may weight different sections of the prompt to tell the sampler to attach different levels of
priority to them, by adding :(number) to the end of the section you wish to up- or downweight.
For example consider this prompt:
~~~~
tabby cat:0.25 white duck:0.75 hybrid
~~~~
This will tell the sampler to invest 25% of its effort on the tabby
cat aspect of the image and 75% on the white duck aspect
(surprisingly, this example actually works). The prompt weights can
use any combination of integers and floating point numbers, and they
do not need to add up to 1. A practical example of using this type of
weighting is described here:
https://www.reddit.com/r/StableDiffusion/comments/wvb7q7/using_prompt_weights_to_tweak_an_image_with/
## Changes ## Changes
* v1.06 (23 August 2022)
* Added weighted prompt support contributed by [xraxra](https://github.com/xraxra)
* Example of using weighted prompts to tweak a demonic figure contributed by [bmaltais](https://github.com/bmaltais)
* v1.05 (22 August 2022 - after the drop) * v1.05 (22 August 2022 - after the drop)
* Filenames now use the following formats: * Filenames now use the following formats:
000010.95183149.png -- Two files produced by the same command (e.g. -n2), 000010.95183149.png -- Two files produced by the same command (e.g. -n2),