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GetPixelBandValue Method (GM_Layer_t, Int32, Int32, Int32, Int32)

Updated
GM_Layer_t .GetPixelBandValue Method (GM_Layer_t, Int32, Int32, Int32, Int32 )
Retrieves the band value at a given pixel location in the provided layer.

Namespace:GlobalMapper.Types
Assembly:  GlobalMapperWrapperNET (in GlobalMapperWrapperNET.dll) Version: 18.0.0.0 (18.0.0.0)
Syntax
C#
Copy
                                    public
                                    static
                                    GM_Error_t32
                                    GetPixelBandValue
                                    (
                                    GM_Layer_t
                                    aLayer
                                    ,
                                    int
                                    aRow
                                    ,
                                    int
                                    aCol
                                    ,
                                    int
                                    aBand
                                    ,
                                    out
                                    int
                                    aVal
)

Parameters

aLayer
Type:  GlobalMapper . GM_Layer_t
IN: Layer to get color from
aRow
Type:  System . Int32
IN: Y coord of pixel (0 is topmost)
aCol
Type:  System . Int32
IN: X coord of pixel (0 is leftmost)
aBand
Type:  System . Int32
IN: Band to get value for (0-based, so first band is 1)
aVal
Type:  System . Int32
OUT: Color of pixel at location

Return Value

Type:  GM_Error_t32
A GM Error Code
See Also