code: def prepare_embeddings(self):
      # TODO(ahmadki): add top view ?
      self.text_z = {
          "default": self.guidance.get_text_embeds([self.prompt]),
          "uncond": self.guidance.get_text_embeds(
              [self.negative_prompt]
          ),
          "front": self.guidance.get_text_embeds(
              [f"{self.prompt}{self.front_prompt}"]
          ),
          "side": self.guidance.get_text_embeds(
              [f"{self.prompt}{self.side_prompt}"]
          ),
          "back": self.guidance.get_text_embeds(
              [f"{self.prompt}{self.back_prompt}"]
          ),
      }
  
file_path: NeMo/nemo/collections/multimodal/models/nerf/txt2nerf_base.py
imports: from nemo.collections.multimodal.models.nerf.base import NerfModelBase
label_desc: Use image node_id 4 for calling the Txt2NerfBase obj's underlying member method code with example usage: obj.prepare_embeddings() without return types