Fix: when --use-sfm-depth is enabled and the model is given by --colm… (#3172)

Fix: when --use-sfm-depth is enabled and the model is given by --colmap-model-path. It searches the wrong reconstruction directory

Co-authored-by: J.Y <132313008+jb-ye@users.noreply.github.com>

nerfstudio/process_data/colmap_converter_to_nerfstudio_dataset.py

@@ -162,7 +162,9 @@ class ColmapConverterToNerfstudioDataset(BaseConverterToNerfstudioDataset):
             depth_dir = self.output_dir / "depth"
             depth_dir.mkdir(parents=True, exist_ok=True)
             image_id_to_depth_path = colmap_utils.create_sfm_depth(
-                recon_dir=self.output_dir / self.default_colmap_path(),
+                recon_dir=self.absolute_colmap_model_path
+                if self.skip_colmap
+                else self.output_dir / self.default_colmap_path(),
                 output_dir=depth_dir,
                 include_depth_debug=self.include_depth_debug,
                 input_images_dir=self.image_dir,