def search(self, dstpath, **params):
        """
        For compatibility with generic image catalog search.
        """

        self.logger.debug("search params=%s" % (str(params)))
        ra, dec = params['ra'], params['dec']
        if not (':' in ra):
            # Assume RA and DEC are in degrees
            ra_deg = float(ra)
            dec_deg = float(dec)
        else:
            # Assume RA and DEC are in standard string notation
            ra_deg = wcs.hmsStrToDeg(ra)
            dec_deg = wcs.dmsStrToDeg(dec)

        # Convert to degrees for search
        wd_deg = float(params['width']) / 60.0
        ht_deg = float(params['height']) / 60.0
        # wd_deg = float(params['width'])
        # ht_deg = float(params['height'])

        # initialize our query object with the service's base URL
        query = pyvo.sia.SIAQuery(self.url)
        query.ra = ra_deg
        query.dec = dec_deg
        query.size = (wd_deg, ht_deg)
        query.format = 'image/fits'
        self.logger.info("Will query: %s" % query.getqueryurl(True))

        results = query.execute()
        if len(results) > 0:
            self.logger.info("Found %d images" % len(results))
        else:
            self.logger.warning("Found no images in this area" % len(results))
            return None

        # For now, we pick the first one found

        # REQUIRES FIX IN PYVO:
        # imfile = results[0].cachedataset(dir="/tmp")
        #
        # Workaround:
        fitspath = results[0].make_dataset_filename(dir="/tmp")
        results[0].cachedataset(fitspath)

        # explicit return
        return fitspath
For compatibility with generic image catalog search.