def get_highres_img(uid,fieldid,fieldmaxlat,fieldminlat,fieldmaxlong,fieldminlong):
        import urllib.parse
        import urllib.request
        from io import StringIO
        from PIL import Image
        from math import log, exp, tan, atan, pi, ceil
        from latlontopixels import latlontopixels
        from pixelstolatlon import pixelstolatlon
        import io
        import math
        import os
        from getmapstaticcoords import getmapstaticcoords
        from sign_url import sign_url
        import time

        zoom = 18  # be careful not to get too many images!
        scale = 2
        tile_pixels = 256
        upperleft = str(fieldminlat)+','+str(fieldmaxlong)
        lowerright= str(fieldmaxlat)+','+str(fieldminlong)
        print(upperleft)
        print(lowerright)
        centerlat = (fieldminlat+fieldmaxlat)/2
        centerlong = (fieldminlong+fieldmaxlong)/2
        position = str(centerlat)+','+str(centerlong)
        longs_per_tile = 0.001
        field_lat_len = abs(fieldmaxlat-fieldminlat)
        field_long_len = abs(fieldmaxlong - fieldminlong)
        width = round(0.8*tile_pixels*field_lat_len/longs_per_tile)
        height = round(0.8*tile_pixels*field_long_len/longs_per_tile)
        templateName = 'template.png'
        sizeimg = str(height) + 'x' + str(width)
        print(sizeimg)
        urlparams = urllib.parse.urlencode({'center': position,
                        'zoom': str(zoom),
                        'size': sizeimg,
                        'maptype': 'satellite',
                        'sensor': 'false',
                        'scale': scale})
        unsigned_url = 'https://maps.googleapis.com/maps/api/staticmap?' + urlparams+'&key=AIzaSyDnM_35WfYwhJmTSPxyyiMIcYte65mPitc'
        print(unsigned_url)
        #url = sign_url(unsigned_url,'JhMz6qX72pOeIplGof3xDUsiHuA=')
        #print(url)
        f=urllib.request.urlopen(unsigned_url)
        image_file = io.BytesIO(f.read())
        im=Image.open(image_file)

        img_name = uid+'/highres_'+str(fieldid)+'.png'
        im = im.resize((height,width))
        im.save(img_name,"PNG")
        return templateName