# SVG coordinate system: upper left corner, right/down
#
# guides are an Inkscape extension and follow Inkscape's coordinate system:
# lower left corner, right/up
x = float(image.getAttribute("x"))
y = float(image.getAttribute("y"))
width = float(image.getAttribute("width"))
height = float(image.getAttribute("height"))
except (IndexError,AttributeError,TypeError):
print("Could not retrieve important XML elements! Invalid Inkscape SVG file?")
sys.exit(1)
print("potential map image at x={0} y={1} w={2} h={3}".format(x,y,width,height))
lon0 = OSMTools.x_to_lon(args.X0,args.ZOOM)
lat0 = OSMTools.y_to_lat(args.Y0,args.ZOOM)
lon1 = OSMTools.x_to_lon(args.X0+args.NX,args.ZOOM)
lat1 = OSMTools.y_to_lat(args.Y0+args.NY,args.ZOOM)
#
# prepare lists of meridians and parallels
#
stepsize = 1/args.steps
special_meridians = (OSMTools.PRIME_MERIDIAN,)
special_parallels = (OSMTools.ARCTIC_CIRCLE,OSMTools.TROPIC_CANCER,OSMTools.EQUATOR,OSMTools.TROPIC_CAPRICORN,OSMTools.ANTARCTIC_CIRCLE)
# build meridians list; depends on map boundaries, stepsize and (optional) special meridians
meridians = list()
med = math.ceil(lon0*args.steps)/args.steps # round to nearest fraction inside map (round up)
medend = math.floor(lon1*args.steps)/args.steps # round to nearest fraction inside map (round down)
Tiles (x,y)
upper left tile {8},{9}
lower right tile {10},{11}
number of tiles {12}x{13}
Resolution/Map Scale
{15}
addGrid Parameters
{1} {8} {9} {12} {13}
----- End Map Image Information -----
""".format(
args.FILE,
args.ZOOM,
w,h,
OSMTools.x_to_lon(x0,args.ZOOM),OSMTools.y_to_lat(y0,args.ZOOM),
OSMTools.x_to_lon(x1,args.ZOOM),OSMTools.y_to_lat(y1,args.ZOOM),
x0,y0,
x1-1,y1-1,
x1-x0,y1-y0,
" ".join(sys.argv[1:]),
resolution
)
print(mapinfo)
if args.infofile != None:
# user requested info should be written to file
with open(args.infofile,"w") as f:
f.write(mapinfo)
