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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
~~~~
The dream> prompt's arguments are pretty much
identical to those used in the Discord bot, except you don't need to
type "!dream" (it doesn't hurt if you do). A significant change is that creation of individual images
is now the default
unless --grid (-g) is given. For backward compatibility, the -i switch is recognized.
For command-line help type -h (or --help) at the dream> prompt.
The dream> prompt's arguments are pretty much identical to those used
in the Discord bot, except you don't need to type "!dream" (it doesn't
hurt if you do). A significant change is that creation of individual
images is now the default unless --grid (-g) is given. For backward
compatibility, the -i switch is recognized. For command-line help
type -h (or --help) at the dream> prompt.
The script itself also recognizes a series of command-line switches that will change
important global defaults, such as the directory for image outputs and the location
of the model weight files.
The script itself also recognizes a series of command-line switches
that will change important global defaults, such as the directory for
image outputs and the location of the model weight files.
## 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
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
* 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)
* Filenames now use the following formats:
000010.95183149.png -- Two files produced by the same command (e.g. -n2),