WKB class

The Well-known binary (WKB) format, see geometry for the standard WKB and geometryExtended for the Extended WKB (EWKB).

More information:

• Well-known binary.
• Simple Feature Access - Part 1: Common Architecture
• ISO 13249-3
• Well-Known binary from GEOS
• ZM values and SRID for Simple Features

Constructors

WKB()

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

decodeCoordType(Uint8List bytes) → Coords

Decodes a coordinate type from bytes representing standard WKB or Extended WKB (EWKB) data.

decodeCoordTypeHex(String bytesHex) → Coords

Decodes a coordinate type from bytesHex (as a hex string) representing standard WKB or Extended WKB (EWKB) data.

decodeEndian(Uint8List bytes) → Endian

Decodes a byte order (Endian.little or Endian.big) from bytes representing standard WKB or Extended WKB (EWKB) data.

decodeEndianHex(String bytesHex) → Endian

Decodes a byte order (Endian.little or Endian.big) from bytesHex (as a hex string) representing standard WKB or Extended WKB (EWKB) data.

decodeFlavor(Uint8List bytes) → WkbFlavor

Decodes a format flavor from bytes representing standard WKB or Extended WKB (EWKB) data.

decodeFlavorHex(String bytesHex) → WkbFlavor

Decodes a format flavor from bytesHex (as a hex string) representing standard WKB or Extended WKB (EWKB) data.

decodeSRID(Uint8List bytes) → int?

Decodes an optional SRID from bytes representing Extended WKB (EWKB) data.

decodeSRIDHex(String bytesHex) → int?

Decodes an optional SRID from bytesHex (as a hex string) representing Extended WKB (EWKB) data.

Constants

geometry → const BinaryFormat<GeometryContent>

The Well-known binary (WKB) format for geometries.

geometryExtended → const BinaryFormat<GeometryContent>

The Extended WKB (EWKB) format for geometries.