python data maps SDK results in corrupt PNG output

Question

I run the attached simple Python test to generate a PNG file from Azure Data Maps API.

In some cases I get a blue picture with a signature, but most of the time I get a corrupt PNG that does not reflect what I am looking for: partial image, or macOS Preview won't even show something.

Does anybody see what's wrong?

I also tried a Java version of this functionality and works as expected.

Same subscription, same data maps account, etc, just in another language and a different SDK from Azure (python vs Java).

regards, Richard.test copy.py.txt

Answer 1

Hi @Richard Kooijman Greetings! Welcome to Microsoft Q&A forum. Thank you for posting this question here.

I am just wondering if you have tried the async approach to get the static image. Please find the implementation for this through the link sample_get_map_static_image_async.py. Here is the code sample for your reference.

"""
FILE: sample_get_map_static_image_async.py
DESCRIPTION:
    This sample demonstrates how to the static image service renders a user-defined, rectangular image containing a map section using a zoom level from 0 to 20. The static image service renders a user-defined, rectangular image containing a map section using a zoom level from 0 to 20.
USAGE:
    python sample_get_map_static_image_async.py
    Set the environment variables with your own values before running the sample:
    - AZURE_SUBSCRIPTION_KEY - your subscription key
"""
import asyncio
import os

subscription_key = os.getenv("AZURE_SUBSCRIPTION_KEY")

async def get_map_static_image_async():
    # [START get_map_static_image_async]
    from azure.core.credentials import AzureKeyCredential
    from azure.maps.render.aio import MapsRenderClient

    maps_render_client = MapsRenderClient(credential=AzureKeyCredential(subscription_key))

    async with maps_render_client:
        result = await maps_render_client.get_map_static_image(img_format="png", center=(52.41064,4.84228))
    # [END get_map_static_image_async]

if __name__ == '__main__':
   asyncio.run(get_map_static_image_async())

Please give it a try and let us know if this helps.

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