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Added step to ReplaceImagesInBatch

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This is useful for VACE for interleaving frames
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sovahc 2025-11-21 02:17:20 +02:00 committed by GitHub
parent c661baadd9
commit 95bc77f855
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1 changed files with 7 additions and 6 deletions
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nodes/image_nodes.py
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@ -2145,7 +2145,7 @@ class ReplaceImagesInBatch:
FUNCTION = "replace"
CATEGORY = "KJNodes/image"
DESCRIPTION = """
Replaces the images in a batch, starting from the specified start index,
Replaces the images in a batch, starting from the specified start index and step,
with the replacement images.
"""
@ -2154,6 +2154,7 @@ with the replacement images.
return {
"required": {
"start_index": ("INT", {"default": 1,"min": 0, "max": 4096, "step": 1}),
"step": ("INT", {"default": 1,"min": 1, "max": 4096, "step": 1}),
},
"optional": {
"original_images": ("IMAGE",),
@ -2163,14 +2164,14 @@ with the replacement images.
}
}
def replace(self, original_images=None, replacement_images=None, start_index=1, original_masks=None, replacement_masks=None):
def replace(self, original_images=None, replacement_images=None, start_index=1, step=1, original_masks=None, replacement_masks=None):
images = None
masks = None
if original_images is not None and replacement_images is not None:
if start_index >= len(original_images):
raise ValueError("ReplaceImagesInBatch: Start index is out of range")
end_index = start_index + len(replacement_images)
end_index = start_index + len(replacement_images) * step
if end_index > len(original_images):
raise ValueError("ReplaceImagesInBatch: End index is out of range")
@ -2178,7 +2179,7 @@ with the replacement images.
if original_images_copy.shape[2] != replacement_images.shape[2] or original_images_copy.shape[3] != replacement_images.shape[3]:
replacement_images = common_upscale(replacement_images.movedim(-1, 1), original_images_copy.shape[1], original_images_copy.shape[2], "lanczos", "center").movedim(1, -1)
original_images_copy[start_index:end_index] = replacement_images
original_images_copy[start_index:end_index:step] = replacement_images
images = original_images_copy
else:
images = torch.zeros((1, 64, 64, 3))
@ -2186,7 +2187,7 @@ with the replacement images.
if original_masks is not None and replacement_masks is not None:
if start_index >= len(original_masks):
raise ValueError("ReplaceImagesInBatch: Start index is out of range")
end_index = start_index + len(replacement_masks)
end_index = start_index + len(replacement_masks) * step
if end_index > len(original_masks):
raise ValueError("ReplaceImagesInBatch: End index is out of range")
@ -2194,7 +2195,7 @@ with the replacement images.
if original_masks_copy.shape[1] != replacement_masks.shape[1] or original_masks_copy.shape[2] != replacement_masks.shape[2]:
replacement_masks = common_upscale(replacement_masks.unsqueeze(1), original_masks_copy.shape[1], original_masks_copy.shape[2], "nearest-exact", "center").squeeze(0)
original_masks_copy[start_index:end_index] = replacement_masks
original_masks_copy[start_index:end_index:step] = replacement_masks
masks = original_masks_copy
else:
masks = torch.zeros((1, 64, 64))