I have the same problem. I have other vector and raster layers added to the map but when I go from an aerial basemap to a street basemap, subsequent operations blank the basemap. I have to click again on the streets map from the gallery to show the streets basemap. Did you ever find a solution to this?
サインインしたメンバーは投稿、更新のフォローなどができます。初めてですか?無料アカウントを登録してください。
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