Sha256: 6e2958d690d1b3613b4ba4712aaa49bbd3621b4801c93edb4227a0843bea3817
Contents?: true
Size: 1.28 KB
Versions: 12
Compression:
Stored size: 1.28 KB
Contents
# frozen_string_literal: true
require_relative 'point'
module OGR
# NOTE: {{#type}} will return :wkbPoint (read: 2D instead of 2.5D) until a Z
# value is set.
class Point25D < Point
# @param [FFI::Pointer] geometry_ptr
def initialize(geometry_ptr = nil, spatial_reference: nil)
geometry_ptr ||= OGR::Geometry.create(:wkbPoint25D)
super(geometry_ptr, spatial_reference: spatial_reference)
end
# @return [Float]
def z
return if empty?
FFI::OGR::API.OGR_G_GetZ(@c_pointer, 0)
end
# @return [Array<Float, Float, Float>] [x, y, z].
def point
return [] if empty?
x_ptr = FFI::MemoryPointer.new(:double)
y_ptr = FFI::MemoryPointer.new(:double)
z_ptr = FFI::MemoryPointer.new(:double)
FFI::OGR::API.OGR_G_GetPoint(@c_pointer, 0, x_ptr, y_ptr, z_ptr)
[x_ptr.read_double, y_ptr.read_double, z_ptr.read_double]
end
# @param x [Number]
# @param y [Number]
# @param z [Number]
def set_point(x, y, z)
FFI::OGR::API.OGR_G_SetPoint(@c_pointer, 0, x, y, z)
end
# Adds a point to a LineString or Point geometry.
#
# @param x [Float]
# @param y [Float]
# @param z [Float]
def add_point(x, y, z)
FFI::OGR::API.OGR_G_AddPoint(@c_pointer, x, y, z)
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems