Class: Sevgi::Sundries::Grid::Axis::Query

Inherits:

Object

• Object
• Sevgi::Sundries::Grid::Axis::Query

Defined in:

lib/sevgi/sundries/grid.rb

Overview

Memoized grid line query for an axis.

Direct Known Subclasses

Halve, Major, Minor

Instance Method Summary

• #initialize(this, other) ⇒ void constructor

  Creates a query.

• #lines ⇒ Array<Sevgi::Geometry::Line>

  Returns generated grid lines.

• #points ⇒ Array<Array<Sevgi::Geometry::Point>>

  Returns grid line endpoints as points.

• #xys ⇒ Array<Array<Array<Float>>>

  Returns grid line endpoints as coordinate pairs.

Constructor Details

#initialize(this, other) ⇒ void

Creates a query.

Parameters:

• this (Sevgi::Sundries::Grid::Axis) —

  axis receiving generated lines

• other (Sevgi::Sundries::Ruler) —

  perpendicular ruler supplying tick distances

# File 'lib/sevgi/sundries/grid.rb', line 85

def initialize(this, other) = (@this, @other = this, other)

Instance Method Details

#lines ⇒ Array<Sevgi::Geometry::Line>

Returns generated grid lines.

Returns:

• (Array<Sevgi::Geometry::Line>)

# File 'lib/sevgi/sundries/grid.rb', line 97

def lines = @lines ||= lines!

#points ⇒ Array<Array<Sevgi::Geometry::Point>>

Returns grid line endpoints as points.

Returns:

• (Array<Array<Sevgi::Geometry::Point>>)

# File 'lib/sevgi/sundries/grid.rb', line 93

def points = @points ||= lines.map { it.points(true) }

#xys ⇒ Array<Array<Array<Float>>>

Returns grid line endpoints as coordinate pairs.

Returns:

• (Array<Array<Array<Float>>>)

# File 'lib/sevgi/sundries/grid.rb', line 89

def xys = @xys ||= lines.map { it.points(true).map(&:deconstruct) }