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Bing Maps API - mapArea: this parameter value is out of range

I'm using the Bing Maps API to generate images from certain locations using the BotFramework-Location NuGet package. (Which code can be found here)

Sometimes it works, but sometimes the images are not loaded due to an error in the Rest call (which is called by the BotFramework, not by me)

This is my code:

IGeoSpatialService geoService = new AzureMapsSpatialService(this.azureApiKey);
List < Location > concreteLocations = new List < Location > ();

foreach(String location in locations) {
LocationSet locationSet = await geoService.GetLocationsByQueryAsync(location);
concreteLocations.AddRange(locationSet ? .Locations);
}

// Filter out duplicates
var seenKeys = new HashSet < String > ();
var uniqueLocations = new List < Location > ();

foreach(Location location in concreteLocations) {
if (seenKeys.Add(location.Address.AddressLine)) {
uniqueLocations.Add(location);
}
}

concreteLocations = new List < Location > (uniqueLocations.Take(5));

if (concreteLocations.Count == 0) {
await context.PostAsync("No dealers found.");
context.Done(true);
} else {
var locationsCardReply = context.MakeMessage();
locationsCardReply.Attachments = new LocationCardBuilder(this.bingApiKey, new LocationResourceManager()).CreateHeroCards(concreteLocations).Select(card => card.ToAttachment()).ToList();
locationsCardReply.AttachmentLayout = AttachmentLayoutTypes.Carousel;
await context.PostAsync(locationsCardReply);
}


Which responds this:

The reason not all images are shown is because the Rest call to the Bing Maps API returns this:

mapArea: This parameter value is out of range.

Here is one of the image uris that fail (I removed my key):

https://dev.virtualearth.net/REST/V1/Imagery/Map/Road?form=BTCTRL&mapArea=49.5737,5.53792,49.57348,5.53744&mapSize=500,280&pp=49.5737,5.53744;1;1&dpi=1&logo=always&key=NOT_REAL_12758FDLKJLDKJO8769KLJDLKJF

Anyone know what I've been doing wrong?

1 Answer
1

I think I understood why you got that error. I tried to get this map and got the same result as yours, as you said:

mapArea: This parameter value is out of range.

If you look at the sample url you provided, the mapArea is equal to 49.5737,5.53792,49.57348,5.53744

mapArea

49.5737,5.53792,49.57348,5.53744

So I just inverted the coordinates of the 2 points defining this area, putting the one with the smaller latitude value first, I got a reply:

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