docstr: Writes a tuple of numbers (on one line).
docstr_tok: ["Writes","a","tuple","of","numbers","(","on","one","line",")","."]
code: def writeTuple(self, val, what):
      """Writes a tuple of numbers (on one line)."""
      # Limit to three values. so RGBA data drops the alpha channel
      # Format can handle up to 3 texcords
      val = val[:3]
      # Make string
      val = " ".join([str(v) for v in val])
      # Write line
      self.writeLine("%s %s" % (what, val))
  
imports: import numpy
  import time
  from gzip import GzipFile
  from os import path
  from ..geometry import _calculate_normals
  from ..util import logger
label_desc: Use image node_id 4 for calling the WavefrontWriter obj's underlying member method code with example usage: obj.writeTuple(val, what) without return types