class_docstr: A source of SRTM data, which implements Cartopy's :ref:`RasterSource
  interface <raster-source-interface>`.
class_docstr_tok: ["A","source","of","SRTM","data",",","which","implements","Cartopy","'s",":","ref",":","`","RasterSource","interface","<","raster-source-interface",">","`","."]
code: def validate_projection(self, projection):
      return projection == self.crs
  
imports: import io
  from pathlib import Path
  import warnings
  import numpy
  from cartopy import config
  import cartopy.crs
  from cartopy.io import Downloader, LocatedImage, RasterSource, fh_getter
label_desc: Use image node_id 2 for calling the _SRTMSource obj's underlying member method code with example usage: obj.validate_projection(projection) and returns: unknown