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The SamplingPercentToSigma node converts a sampling percentage value to a corresponding sigma value using the model’s sampling parameters. It takes a percentage value between 0.0 and 1.0 and maps it to the appropriate sigma value in the model’s noise schedule, with options to return either the calculated sigma or the actual maximum/minimum sigma values at the boundaries.

Inputs

ParameterDescriptionData TypeRequiredRange
modelThe model containing the sampling parameters used for conversionMODELYes-
sampling_percentThe sampling percentage to convert to sigma (default: 0.0)FLOATYes0.0 to 1.0 (step: 0.0001)
return_actual_sigmaReturn the actual sigma value instead of the value used for interval checks. This only affects results at 0.0 and 1.0. (default: False)BOOLEANYes-

Outputs

Output NameDescriptionData Type
sigma_valueThe converted sigma value corresponding to the input sampling percentageFLOAT
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