Fix for artefacts on SMCalloutView callout when position set to fractional pixel. We want this for custom annotations, but not for default annotation -- use a class compare to check exact match when setting position, and round to nearest pixel if using the SMCallout.
Fix for artefacts on SMCalloutView callout when position set to fractional pixel. We want this for custom annotations, but not for default annotation -- use a class compare to check exact match when setting position, and round to nearest pixel if using the SMCallout.

wrld3d/ios-api,wrld3d/ios-api,wrld3d/ios-api,wrld3d/ios-api