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README.md

@@ -22,7 +22,7 @@ Interactive interface to select rectangular regions on images.
 
 #### Output
 - `image` (IMAGE): Original image (passthrough)
-- `region_metadata` (STRING): JSON with selection coordinates
+- `box_metadata` (STRING): JSON with selection coordinates
 
 #### Features
 - 🖱️ **Interactive Selection**: Click and drag to draw rectangles
@@ -60,7 +60,8 @@ Crops images according to coordinates provided by BoxSelector.
 
 #### Input
 - `image` (IMAGE): Image to crop
-- `region_metadata` (STRING): JSON coordinates from BoxSelector (x1, x2, y1, y2)
+- `box_metadata` (STRING): JSON coordinates from BoxSelector (x1, x2, y1, y2)
+  - Connect directly from BoxSelector output
 
 #### Optional Input
 - `fallback_mode` (COMBO): Behavior when no valid coordinates

region_crop_node.py

@@ -23,8 +23,8 @@ class RegionCropNode:
         return {
             "required": {
                 "image": ("IMAGE",),
-                "region_metadata": ("STRING", {
-                    "default": "{}",
+                "box_metadata": ("STRING", {
+                    "default": "",
                     "multiline": True,
                 }),
             },
@@ -40,13 +40,13 @@ class RegionCropNode:
     FUNCTION = "crop_image"
     CATEGORY = "image/region"
 
-    def crop_image(self, image, region_metadata, fallback_mode="use_full_image"):
+    def crop_image(self, image, box_metadata, fallback_mode="use_full_image"):
         """
         Taglia l'immagine secondo le coordinate nel metadata.
 
         Args:
             image: Tensor immagine (B, H, W, C)
-            region_metadata: JSON string con coordinate della regione
+            box_metadata: JSON string con coordinate della regione
             fallback_mode: Cosa fare se non ci sono coordinate valide
 
         Returns:
@@ -54,7 +54,7 @@ class RegionCropNode:
         """
 
         try:
-            metadata = json.loads(region_metadata)
+            metadata = json.loads(box_metadata) if box_metadata.strip() else {}
         except json.JSONDecodeError:
             metadata = {}
 

region_selector_node.py

@@ -1,7 +1,7 @@
 """
-Region Selector Node - con endpoint di ridimensionamento lato backend.
-Riduce automaticamente le immagini oltre 1024px quando viene aperta
-l'interfaccia "Select Box", salvandole in /temp/.
+BoxSelector Node - Interactive region selection with auto-scaling for large images.
+Automatically scales images > 1024px in preview for smooth selection.
+Outputs box_metadata with coordinates and displayScaleFactor.
 """
 
 import os
@@ -23,18 +23,18 @@ class RegionSelectorNode:
     def INPUT_TYPES(cls):
         return {
             "required": {"image": ("IMAGE",)},
-            "optional": {"region_metadata": ("STRING", {"default": "{}", "multiline": True})}
+            "optional": {"box_metadata": ("STRING", {"default": "", "multiline": True})}
         }
 
     RETURN_TYPES = ("IMAGE", "STRING")
-    RETURN_NAMES = ("image", "region_metadata")
+    RETURN_NAMES = ("image", "box_metadata")
     FUNCTION = "process_region_selection"
     CATEGORY = "image/region"
     OUTPUT_NODE = True
 
-    def process_region_selection(self, image, region_metadata="{}"):
-        if region_metadata.strip() and region_metadata != "{}":
-            self.last_metadata = region_metadata
+    def process_region_selection(self, image, box_metadata="{}"):
+        if box_metadata.strip() and box_metadata != "{}":
+            self.last_metadata = box_metadata
         return (image, self.last_metadata)