i cant get a map to generate

[SnipeHype200]

when i tryed this project ive gotten everything to work but generating a map i changed the cordanates in the skyportal_config.py but im stuck with the default map

[sco1]

Sorry, it looks like I forgot to change it to a configuration option (I keep it off while developing since I restart so often).

Can you try changing line 362 in skyportal/displaylib.py:

skyportal/skyportal/displaylib.py

Line 362 in 271b4e7

self.set_base_map(grid_bounds=self.grid_bounds, use_default=True)

Either to use_default=False, or get rid of the argument altogether, and see if that solves the issue? I will try and fix this evening.

[sco1]

It looks like even if you fix this issue you're going to run into a memory error (similar to #11) trying to download the new map tile that I wasn't noticing because I've been skipping that step. I've extracted the logic below into a little script that you can use do generate the URL to a map tile of your choice that you can use to overwrite default_map.bmp on your device.

import math
from collections import OrderedDict


secrets = {
    "geoapify_key": "YOUR_GEOAPIFY_API_KEY",
    "aio_username": "YOUR_AIO_USERNAME",
    "aio_key": "YOUR_AIO_KEY",
}

MAP_CENTER_LAT = 42.41
MAP_CENTER_LON = -71.17
GRID_WIDTH_MI = 15
MAP_STYLE = "klokantech-basic"

GEOAPIFY_API_URL_BASE = "https://maps.geoapify.com/v1/staticmap"
AIO_URL_BASE = f"https://io.adafruit.com/api/v2/{secrets['aio_username']}/integrations/image-formatter"



def build_url(base, params):
    param_str = "&".join(f"{k}={v}" for k, v in params.items())
    return f"{base}?{param_str}"


def urlencode(url):
    encoded_chars = []
    for c in url:
        if any((c.isalpha(), c.isdigit(), (c in ("-", ".")))):
            encoded_chars.append(c)
        else:
            encoded_chars.append(f"%{ord(c):02X}")

    return "".join(encoded_chars)

def build_bounding_box(
    map_center_lat = MAP_CENTER_LAT, map_center_lon = MAP_CENTER_LON, grid_width_mi = GRID_WIDTH_MI,
):
    earth_radius_km = 6378.1

    center_lat_rad = math.radians(map_center_lat)
    center_lon_rad = math.radians(map_center_lon)
    grid_size_km = grid_width_mi * 1.6

    # Calculate distance deltas
    ang_dist = grid_size_km / earth_radius_km
    d_lat = ang_dist
    d_lon = math.asin(math.sin(ang_dist) / math.cos(center_lat_rad))

    # Scale rectangle height from the specified width
    aspect_ratio = 320 / 240
    d_lon *= aspect_ratio

    # Calculate latitude bounds
    min_center_lat_rad = center_lat_rad - d_lat
    max_center_lat_rad = center_lat_rad + d_lat

    # Calculate longitude bounds
    min_center_lon_rad = center_lon_rad - d_lon
    max_center_lon_rad = center_lon_rad + d_lon

    # Convert from radians to degrees
    lat_min = math.degrees(min_center_lat_rad)
    lat_max = math.degrees(max_center_lat_rad)
    lon_min = math.degrees(min_center_lon_rad)
    lon_max = math.degrees(max_center_lon_rad)

    return lat_min, lat_max, lon_min, lon_max


def get_base_map_url(grid_bounds):
    lat_min, lat_max, lon_min, lon_max = grid_bounds
    map_params = OrderedDict(
        [
            ("apiKey", secrets["geoapify_key"]),
            ("style", MAP_STYLE),
            ("format", "png"),
            ("center", f"lonlat:{MAP_CENTER_LON},{MAP_CENTER_LAT}"),
            ("area", f"rect:{lon_min},{lat_min},{lon_max},{lat_max}"),
            ("width", 320 * 2),
            ("height", 240 * 2),
        ]
    )
    map_query_url = build_url(GEOAPIFY_API_URL_BASE, map_params)

    adaIO_params = OrderedDict(
        [
            ("x-aio-key", secrets["aio_key"]),
            ("width", 320),
            ("height", 240),
            ("output", "BMP16"),
            ("url", urlencode(map_query_url)),
        ]
    )
    adaIO_query_url = build_url(AIO_URL_BASE, adaIO_params)
    return adaIO_query_url


print(get_base_map_url(build_bounding_box()))

[SnipeHype200]

where is this code supposed to go?

[SnipeHype200]

is it just a python program to run?

[SnipeHype200]

one time

[sco1]

Yes.

[SnipeHype200]

worked perfectly thanks!

[sco1]

OpenSky is still down so I can't fully test this but I think the map tile download is back to working now & has its own configuration option.