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GetOnlineLayerZoomScale Method

Updated
GM_Utility .GetOnlineLayerZoomScale Method
Determine the zoom scale that will be used to draw/export from a provided tiled online layer for a given bounds.

Namespace:GlobalMapper
Assembly:  GlobalMapperWrapperNET (in GlobalMapperWrapperNET.dll) Version: 18.0.0.0 (18.0.0.0)
Syntax
C#
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public static GM_Error_t32 GetOnlineLayerZoomScale(
    GM_Layer_t aLayer,
    GM_Rectangle_t aWorldBounds,
    GM_PixelRect_t aPixelRect,
    bool aForExport,
    string aExtraOpts,
    out uint aZoomScale,
    Object aReserved
)

Parameters

aLayer
Type:  GlobalMapper . GM_Layer_t
IN: Tiled online layer to query
aWorldBounds
Type:  GlobalMapper . GM_Rectangle_t
(GM_Rectangle_t*) IN: World bounds to convert from or NULL for last drawn
aPixelRect
Type:  GlobalMapper . GM_PixelRect_t
(GM_PixelRect_t*) IN: Pixel bounds to convert from or NULL for last drawn
aForExport
Type:  System . Boolean
IN: Get zoom scale for an export (TRUE) or draw (FALSE)
aExtraOpts
Type:  System . String
IN: String with extra options, like RES_MULT
aZoomScale
Type:  System . UInt32
OUT: Zoom scale that will be used
aReserved
Type:  System . Object
IN: (void*) Reserved for future use

Return Value

Type:  GM_Error_t32
A GM Error Code
See Also