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## GRIB section 3, the bitmap section

An INTEGER array of at least 2 elements.

Contents of KSEC3
Element | Contents | GRIB API keys
--- | --- | ---
1 |
    0          A bitmap is included in the GRIB message.
               The data array PSEC4 contains a value which serves as a
               missing data indicator for use at missing data points.

    Non-zero   The number of a predefined bitmap.
               The bitmap is not included in the message. The binary
               data array contains only valid data values; missing
               points are suppressed.
| bitmapPresent
2 | The value used at missing data points in an INTEGER data field. This value must be supplied for both encoding and decoding. | missingValue

| 22.10.2010-->

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