class OGR::Geometry::EWKBRecord
Parses raw EWKB and turns into a data structure. Only really exists for converting to and from EWKB.
@see trac.osgeo.org/postgis/browser/trunk/doc/ZMSgeoms.txt @see OGR::Geometry::EWKBRecord
Constants
- WKB_M
- WKB_SRID
- WKB_Z
Public Class Methods
from_wkb_record(wkb_record, srid = 0)
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@param wkb_record [OGR::Geometry::WKBRecord] @param srid [Fixnum] @return [OGR::Geometry::EWKBRecord]
# File lib/ogr/extensions/geometry/ewkb_record.rb, line 45 def self.from_wkb_record(wkb_record, srid = 0) ewkb_type_flag = if srid.zero? wkb_record.wkb_type else (wkb_record.wkb_type | WKB_SRID) end ewkb_type_flag |= WKB_Z if wkb_record.has_z? new(endianness: wkb_record.endianness, wkb_type: ewkb_type_flag, srid: srid, geometry: wkb_record.geometry) end
Public Instance Methods
geometry_type()
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@return [Fixnum] Enum number that matches the FFI::OGR::Core::WKBGeometryType.
# File lib/ogr/extensions/geometry/ewkb_record.rb, line 76 def geometry_type type = wkb_type & 0x0fff_ffff has_z? ? (type | WKB_Z) : type end
has_m?()
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@return [Boolean] Is the M flag set?
# File lib/ogr/extensions/geometry/ewkb_record.rb, line 66 def has_m? wkb_type & WKB_M != 0 end
has_srid?()
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@return [Boolean] Is the SRID flag set?
# File lib/ogr/extensions/geometry/ewkb_record.rb, line 71 def has_srid? wkb_type & WKB_SRID != 0 end
has_z?()
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@return [Boolean] Is the Z flag set?
# File lib/ogr/extensions/geometry/ewkb_record.rb, line 61 def has_z? wkb_type & WKB_Z != 0 end
to_wkb()
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@return [String] WKB binary string.
# File lib/ogr/extensions/geometry/ewkb_record.rb, line 88 def to_wkb to_wkb_record.to_binary_s end
to_wkb_record()
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@return [OGR::Geometry::WKBRecord]
# File lib/ogr/extensions/geometry/ewkb_record.rb, line 83 def to_wkb_record WKBRecord.from_ewkb_record(self) end