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Does GeoView support more than one method of zooming a map display (e.g. zoom by clicking on a point zoom by dragging a box)?

April 26, 2017display geoview map method point support zoom zooming

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Does GeoView support more than one method of zooming a map display (e.g. zoom by clicking on a point zoom by dragging a box)?

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Yes, zoom box, zoom area, zoom center, zoom factor, zoom by coordinate, zoom previous, zoom by scale. Also, a sequence of zooms be remembered so the user can un-zoom. GeoView stores the ViewScale property of the map. Your application “un-zooms” by calling GeoView_SetViewScale( hMap, dOldViewScale ) function or gvMap.SetViewScale( dOldViewScale ) method.