[mapguide-users] MapGuide Fusion Error for Google Maps API

[Jackie Ng]

If you want to use the mapguide-react-layout viewer over Fusion, I (as the
primary maintainer of the react viewer) am going to warn you up-front:

While we try to aim for maximum Fusion widget and Flexible Layout
compatibility in this viewer, Google Maps will not be supported by this
viewer, nor will I entertain any thoughts about integrating support for it
or any of the surrounding services (like Places, StreetView, etc, etc). The
Google Maps API is too much of a technological and legal minefield to
integrate with other map viewer libraries. There's a reason OpenLayers 3+
doesn't support it out of the box (eg:
https://github.com/openlayers/openlayers/issues/2205), and neither will we.

Frankly, that OpenLayers v2 (and thus Fusion by inference) had "supported"
Google Maps all this time is just plain luck. The only reason I haven't
fully yanked out this support in Fusion is that there might be backlash
from users and so my stance on the matter is purely "use at your own
risk/discretion".

My viewpoint on external map service integration is always going to be:
Please use Bing Maps or OpenStreetMap instead. They have much more
technologically and legally friendly integration stories.

- Jackie

You wrote:

We had a meeting with Gordon Luckett to discuss this issue and he provided

insight into what's causing it and a workaround solution. The Fusion

template relies on OpenLayers v2 and with Google Maps API v3.50, something

has changed that prevents it from working with OpenLayers v2, resulting in

Fusion errors.

As a workaround solution, if you remove both the GoogleScript tag, from the

XML, and live Google base maps in Maestro, the Fusion errors no longer

occur. You can replace the live Google base maps with the tiled versions,

which allows continuity for the end user.

It was also suggested to consider pivoting to using the React viewer

instead of Fusion, which is something I hope to look into in the future.

Hope this helps,

David



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