Class: Depiction

Inherits:
ApplicationRecord show all
Includes:
Housekeeping, Shared::DataAttributes, Shared::IsData, Shared::PolymorphicAnnotator, Shared::Tags
Defined in:
app/models/depiction.rb

Overview

A depiction is the linkage between an image and a data object. For example an image may depiction a ColletingEvent, CollectionObject, or OTU.

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Shared::IsData

#errors_excepting, #full_error_messages_excepting, #identical, #is_community?, #is_destroyable?, #is_editable?, #is_in_use?, #is_in_users_projects?, #metamorphosize, #similar

Methods included from Shared::DataAttributes

#import_attributes, #internal_attributes, #keyword_value_hash, #reject_data_attributes

Methods included from Shared::Tags

#reject_tags, #tag_with, #tagged?, #tagged_with?

Methods included from Housekeeping

#has_polymorphic_relationship?

Methods inherited from ApplicationRecord

transaction_with_retry

Instance Attribute Details

#depiction_object_id ⇒ Integer

Returns the id of the object being depicted.

Returns:

  • (Integer) —

    the id of the object being depicted



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# File 'app/models/depiction.rb', line 45

class Depiction < ApplicationRecord
  include Housekeeping
  include Shared::Tags
  include Shared::DataAttributes
  include Shared::IsData
  include Shared::PolymorphicAnnotator
  polymorphic_annotates(:depiction_object)

  acts_as_list scope: [:project_id, :depiction_object_type, :depiction_object_id]

  belongs_to :image, inverse_of: :depictions
  belongs_to :sled_image, inverse_of: :depictions
  has_one :sqed_depiction, dependent: :destroy

  accepts_nested_attributes_for :image
  accepts_nested_attributes_for :sqed_depiction, allow_destroy: true

  validates_presence_of :depiction_object
  validates_uniqueness_of :sled_image_id, scope: [:project_id, :sled_image_x_position, :sled_image_y_position], allow_nil: true, if: Proc.new {|n| !n.sled_image_id.nil?}

  after_update :remove_media_observation2, if: Proc.new {|d| d.depiction_object_type_previously_was == 'Observation' && d.depiction_object.type_was == 'Observation::Media' }
  after_destroy :remove_media_observation, if: Proc.new {|d| d.depiction_object_type == 'Observation' && d.depiction_object.type == 'Observation::Media' }

  def from_sled?
    !sled_image_id.nil?
  end

  def sled_extraction_path(size = :thumb)
    if from_sled?
      x, y, w, h = svg_view_box.split(' ')

      box_width, box_height = nil, nil
      case size
      when :thumb, :medium
        box_width = Image::DEFAULT_SIZES[size][:width]
        box_height = Image::DEFAULT_SIZES[size][:height]
      when :original
        box_width = w.to_i
        box_height = h.to_i
      end

      "#{image_id}/scale_to_box/#{x.to_i}/#{y.to_i}/#{w.to_i}/#{h.to_i}/#{box_width}/#{box_height}"
    else
      raise 'This is not a sled derived depiction'
    end
  end

  private

  def remove_media_observation2
    if v = depiction_object_id_previously_was
      o = Observation::Media.find(v)
      if o.depictions.size == 0
        o.destroy!
      end
    end
  end

  def remove_media_observation
    if depiction_object.depictions.size == 0
      depiction_object.destroy!
    end
  end

end

#depiction_object_type ⇒ String

Returns the type of object being depicted, a TW class that can be depicted (e.g. CollectionObject, CollectingEvent).

Returns:

  • (String) —

    the type of object being depicted, a TW class that can be depicted (e.g. CollectionObject, CollectingEvent)



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# File 'app/models/depiction.rb', line 45

class Depiction < ApplicationRecord
  include Housekeeping
  include Shared::Tags
  include Shared::DataAttributes
  include Shared::IsData
  include Shared::PolymorphicAnnotator
  polymorphic_annotates(:depiction_object)

  acts_as_list scope: [:project_id, :depiction_object_type, :depiction_object_id]

  belongs_to :image, inverse_of: :depictions
  belongs_to :sled_image, inverse_of: :depictions
  has_one :sqed_depiction, dependent: :destroy

  accepts_nested_attributes_for :image
  accepts_nested_attributes_for :sqed_depiction, allow_destroy: true

  validates_presence_of :depiction_object
  validates_uniqueness_of :sled_image_id, scope: [:project_id, :sled_image_x_position, :sled_image_y_position], allow_nil: true, if: Proc.new {|n| !n.sled_image_id.nil?}

  after_update :remove_media_observation2, if: Proc.new {|d| d.depiction_object_type_previously_was == 'Observation' && d.depiction_object.type_was == 'Observation::Media' }
  after_destroy :remove_media_observation, if: Proc.new {|d| d.depiction_object_type == 'Observation' && d.depiction_object.type == 'Observation::Media' }

  def from_sled?
    !sled_image_id.nil?
  end

  def sled_extraction_path(size = :thumb)
    if from_sled?
      x, y, w, h = svg_view_box.split(' ')

      box_width, box_height = nil, nil
      case size
      when :thumb, :medium
        box_width = Image::DEFAULT_SIZES[size][:width]
        box_height = Image::DEFAULT_SIZES[size][:height]
      when :original
        box_width = w.to_i
        box_height = h.to_i
      end

      "#{image_id}/scale_to_box/#{x.to_i}/#{y.to_i}/#{w.to_i}/#{h.to_i}/#{box_width}/#{box_height}"
    else
      raise 'This is not a sled derived depiction'
    end
  end

  private

  def remove_media_observation2
    if v = depiction_object_id_previously_was
      o = Observation::Media.find(v)
      if o.depictions.size == 0
        o.destroy!
      end
    end
  end

  def remove_media_observation
    if depiction_object.depictions.size == 0
      depiction_object.destroy!
    end
  end

end

#image_id ⇒ Integer

Returns the id of the image that stores the depiction.

Returns:

  • (Integer) —

    the id of the image that stores the depiction



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# File 'app/models/depiction.rb', line 45

class Depiction < ApplicationRecord
  include Housekeeping
  include Shared::Tags
  include Shared::DataAttributes
  include Shared::IsData
  include Shared::PolymorphicAnnotator
  polymorphic_annotates(:depiction_object)

  acts_as_list scope: [:project_id, :depiction_object_type, :depiction_object_id]

  belongs_to :image, inverse_of: :depictions
  belongs_to :sled_image, inverse_of: :depictions
  has_one :sqed_depiction, dependent: :destroy

  accepts_nested_attributes_for :image
  accepts_nested_attributes_for :sqed_depiction, allow_destroy: true

  validates_presence_of :depiction_object
  validates_uniqueness_of :sled_image_id, scope: [:project_id, :sled_image_x_position, :sled_image_y_position], allow_nil: true, if: Proc.new {|n| !n.sled_image_id.nil?}

  after_update :remove_media_observation2, if: Proc.new {|d| d.depiction_object_type_previously_was == 'Observation' && d.depiction_object.type_was == 'Observation::Media' }
  after_destroy :remove_media_observation, if: Proc.new {|d| d.depiction_object_type == 'Observation' && d.depiction_object.type == 'Observation::Media' }

  def from_sled?
    !sled_image_id.nil?
  end

  def sled_extraction_path(size = :thumb)
    if from_sled?
      x, y, w, h = svg_view_box.split(' ')

      box_width, box_height = nil, nil
      case size
      when :thumb, :medium
        box_width = Image::DEFAULT_SIZES[size][:width]
        box_height = Image::DEFAULT_SIZES[size][:height]
      when :original
        box_width = w.to_i
        box_height = h.to_i
      end

      "#{image_id}/scale_to_box/#{x.to_i}/#{y.to_i}/#{w.to_i}/#{h.to_i}/#{box_width}/#{box_height}"
    else
      raise 'This is not a sled derived depiction'
    end
  end

  private

  def remove_media_observation2
    if v = depiction_object_id_previously_was
      o = Observation::Media.find(v)
      if o.depictions.size == 0
        o.destroy!
      end
    end
  end

  def remove_media_observation
    if depiction_object.depictions.size == 0
      depiction_object.destroy!
    end
  end

end

#is_metadata_depiction ⇒ Boolean?

Returns If true then this depiction depicts data that describes the entity, rather than the entity itself. For example, a CollectionObject depiction of a insect, vs. a picture of some text that says “the specimen is blue”.

Returns:

  • (Boolean, nil) —

    If true then this depiction depicts data that describes the entity, rather than the entity itself. For example, a CollectionObject depiction of a insect, vs. a picture of some text that says “the specimen is blue”



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# File 'app/models/depiction.rb', line 45

class Depiction < ApplicationRecord
  include Housekeeping
  include Shared::Tags
  include Shared::DataAttributes
  include Shared::IsData
  include Shared::PolymorphicAnnotator
  polymorphic_annotates(:depiction_object)

  acts_as_list scope: [:project_id, :depiction_object_type, :depiction_object_id]

  belongs_to :image, inverse_of: :depictions
  belongs_to :sled_image, inverse_of: :depictions
  has_one :sqed_depiction, dependent: :destroy

  accepts_nested_attributes_for :image
  accepts_nested_attributes_for :sqed_depiction, allow_destroy: true

  validates_presence_of :depiction_object
  validates_uniqueness_of :sled_image_id, scope: [:project_id, :sled_image_x_position, :sled_image_y_position], allow_nil: true, if: Proc.new {|n| !n.sled_image_id.nil?}

  after_update :remove_media_observation2, if: Proc.new {|d| d.depiction_object_type_previously_was == 'Observation' && d.depiction_object.type_was == 'Observation::Media' }
  after_destroy :remove_media_observation, if: Proc.new {|d| d.depiction_object_type == 'Observation' && d.depiction_object.type == 'Observation::Media' }

  def from_sled?
    !sled_image_id.nil?
  end

  def sled_extraction_path(size = :thumb)
    if from_sled?
      x, y, w, h = svg_view_box.split(' ')

      box_width, box_height = nil, nil
      case size
      when :thumb, :medium
        box_width = Image::DEFAULT_SIZES[size][:width]
        box_height = Image::DEFAULT_SIZES[size][:height]
      when :original
        box_width = w.to_i
        box_height = h.to_i
      end

      "#{image_id}/scale_to_box/#{x.to_i}/#{y.to_i}/#{w.to_i}/#{h.to_i}/#{box_width}/#{box_height}"
    else
      raise 'This is not a sled derived depiction'
    end
  end

  private

  def remove_media_observation2
    if v = depiction_object_id_previously_was
      o = Observation::Media.find(v)
      if o.depictions.size == 0
        o.destroy!
      end
    end
  end

  def remove_media_observation
    if depiction_object.depictions.size == 0
      depiction_object.destroy!
    end
  end

end

#project_id ⇒ Integer

Returns the project ID.

Returns:

  • (Integer) —

    the project ID



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# File 'app/models/depiction.rb', line 45

class Depiction < ApplicationRecord
  include Housekeeping
  include Shared::Tags
  include Shared::DataAttributes
  include Shared::IsData
  include Shared::PolymorphicAnnotator
  polymorphic_annotates(:depiction_object)

  acts_as_list scope: [:project_id, :depiction_object_type, :depiction_object_id]

  belongs_to :image, inverse_of: :depictions
  belongs_to :sled_image, inverse_of: :depictions
  has_one :sqed_depiction, dependent: :destroy

  accepts_nested_attributes_for :image
  accepts_nested_attributes_for :sqed_depiction, allow_destroy: true

  validates_presence_of :depiction_object
  validates_uniqueness_of :sled_image_id, scope: [:project_id, :sled_image_x_position, :sled_image_y_position], allow_nil: true, if: Proc.new {|n| !n.sled_image_id.nil?}

  after_update :remove_media_observation2, if: Proc.new {|d| d.depiction_object_type_previously_was == 'Observation' && d.depiction_object.type_was == 'Observation::Media' }
  after_destroy :remove_media_observation, if: Proc.new {|d| d.depiction_object_type == 'Observation' && d.depiction_object.type == 'Observation::Media' }

  def from_sled?
    !sled_image_id.nil?
  end

  def sled_extraction_path(size = :thumb)
    if from_sled?
      x, y, w, h = svg_view_box.split(' ')

      box_width, box_height = nil, nil
      case size
      when :thumb, :medium
        box_width = Image::DEFAULT_SIZES[size][:width]
        box_height = Image::DEFAULT_SIZES[size][:height]
      when :original
        box_width = w.to_i
        box_height = h.to_i
      end

      "#{image_id}/scale_to_box/#{x.to_i}/#{y.to_i}/#{w.to_i}/#{h.to_i}/#{box_width}/#{box_height}"
    else
      raise 'This is not a sled derived depiction'
    end
  end

  private

  def remove_media_observation2
    if v = depiction_object_id_previously_was
      o = Observation::Media.find(v)
      if o.depictions.size == 0
        o.destroy!
      end
    end
  end

  def remove_media_observation
    if depiction_object.depictions.size == 0
      depiction_object.destroy!
    end
  end

end

#sled_image_id ⇒ Integer

Returns If present this depiction was derived from sled.

Returns:

  • (Integer) —

    If present this depiction was derived from sled



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# File 'app/models/depiction.rb', line 45

class Depiction < ApplicationRecord
  include Housekeeping
  include Shared::Tags
  include Shared::DataAttributes
  include Shared::IsData
  include Shared::PolymorphicAnnotator
  polymorphic_annotates(:depiction_object)

  acts_as_list scope: [:project_id, :depiction_object_type, :depiction_object_id]

  belongs_to :image, inverse_of: :depictions
  belongs_to :sled_image, inverse_of: :depictions
  has_one :sqed_depiction, dependent: :destroy

  accepts_nested_attributes_for :image
  accepts_nested_attributes_for :sqed_depiction, allow_destroy: true

  validates_presence_of :depiction_object
  validates_uniqueness_of :sled_image_id, scope: [:project_id, :sled_image_x_position, :sled_image_y_position], allow_nil: true, if: Proc.new {|n| !n.sled_image_id.nil?}

  after_update :remove_media_observation2, if: Proc.new {|d| d.depiction_object_type_previously_was == 'Observation' && d.depiction_object.type_was == 'Observation::Media' }
  after_destroy :remove_media_observation, if: Proc.new {|d| d.depiction_object_type == 'Observation' && d.depiction_object.type == 'Observation::Media' }

  def from_sled?
    !sled_image_id.nil?
  end

  def sled_extraction_path(size = :thumb)
    if from_sled?
      x, y, w, h = svg_view_box.split(' ')

      box_width, box_height = nil, nil
      case size
      when :thumb, :medium
        box_width = Image::DEFAULT_SIZES[size][:width]
        box_height = Image::DEFAULT_SIZES[size][:height]
      when :original
        box_width = w.to_i
        box_height = h.to_i
      end

      "#{image_id}/scale_to_box/#{x.to_i}/#{y.to_i}/#{w.to_i}/#{h.to_i}/#{box_width}/#{box_height}"
    else
      raise 'This is not a sled derived depiction'
    end
  end

  private

  def remove_media_observation2
    if v = depiction_object_id_previously_was
      o = Observation::Media.find(v)
      if o.depictions.size == 0
        o.destroy!
      end
    end
  end

  def remove_media_observation
    if depiction_object.depictions.size == 0
      depiction_object.destroy!
    end
  end

end

#sled_image_x_position ⇒ Integer

Returns Not null if sled_image_is present. The column (top left 0,0) derived from.

Returns:

  • (Integer) —

    Not null if sled_image_is present. The column (top left 0,0) derived from



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# File 'app/models/depiction.rb', line 45

class Depiction < ApplicationRecord
  include Housekeeping
  include Shared::Tags
  include Shared::DataAttributes
  include Shared::IsData
  include Shared::PolymorphicAnnotator
  polymorphic_annotates(:depiction_object)

  acts_as_list scope: [:project_id, :depiction_object_type, :depiction_object_id]

  belongs_to :image, inverse_of: :depictions
  belongs_to :sled_image, inverse_of: :depictions
  has_one :sqed_depiction, dependent: :destroy

  accepts_nested_attributes_for :image
  accepts_nested_attributes_for :sqed_depiction, allow_destroy: true

  validates_presence_of :depiction_object
  validates_uniqueness_of :sled_image_id, scope: [:project_id, :sled_image_x_position, :sled_image_y_position], allow_nil: true, if: Proc.new {|n| !n.sled_image_id.nil?}

  after_update :remove_media_observation2, if: Proc.new {|d| d.depiction_object_type_previously_was == 'Observation' && d.depiction_object.type_was == 'Observation::Media' }
  after_destroy :remove_media_observation, if: Proc.new {|d| d.depiction_object_type == 'Observation' && d.depiction_object.type == 'Observation::Media' }

  def from_sled?
    !sled_image_id.nil?
  end

  def sled_extraction_path(size = :thumb)
    if from_sled?
      x, y, w, h = svg_view_box.split(' ')

      box_width, box_height = nil, nil
      case size
      when :thumb, :medium
        box_width = Image::DEFAULT_SIZES[size][:width]
        box_height = Image::DEFAULT_SIZES[size][:height]
      when :original
        box_width = w.to_i
        box_height = h.to_i
      end

      "#{image_id}/scale_to_box/#{x.to_i}/#{y.to_i}/#{w.to_i}/#{h.to_i}/#{box_width}/#{box_height}"
    else
      raise 'This is not a sled derived depiction'
    end
  end

  private

  def remove_media_observation2
    if v = depiction_object_id_previously_was
      o = Observation::Media.find(v)
      if o.depictions.size == 0
        o.destroy!
      end
    end
  end

  def remove_media_observation
    if depiction_object.depictions.size == 0
      depiction_object.destroy!
    end
  end

end

#sled_image_y_position ⇒ Integer

Returns Not null if sled_image_is present. The row (top left 0,0) derived from.

Returns:

  • (Integer) —

    Not null if sled_image_is present. The row (top left 0,0) derived from



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# File 'app/models/depiction.rb', line 45

class Depiction < ApplicationRecord
  include Housekeeping
  include Shared::Tags
  include Shared::DataAttributes
  include Shared::IsData
  include Shared::PolymorphicAnnotator
  polymorphic_annotates(:depiction_object)

  acts_as_list scope: [:project_id, :depiction_object_type, :depiction_object_id]

  belongs_to :image, inverse_of: :depictions
  belongs_to :sled_image, inverse_of: :depictions
  has_one :sqed_depiction, dependent: :destroy

  accepts_nested_attributes_for :image
  accepts_nested_attributes_for :sqed_depiction, allow_destroy: true

  validates_presence_of :depiction_object
  validates_uniqueness_of :sled_image_id, scope: [:project_id, :sled_image_x_position, :sled_image_y_position], allow_nil: true, if: Proc.new {|n| !n.sled_image_id.nil?}

  after_update :remove_media_observation2, if: Proc.new {|d| d.depiction_object_type_previously_was == 'Observation' && d.depiction_object.type_was == 'Observation::Media' }
  after_destroy :remove_media_observation, if: Proc.new {|d| d.depiction_object_type == 'Observation' && d.depiction_object.type == 'Observation::Media' }

  def from_sled?
    !sled_image_id.nil?
  end

  def sled_extraction_path(size = :thumb)
    if from_sled?
      x, y, w, h = svg_view_box.split(' ')

      box_width, box_height = nil, nil
      case size
      when :thumb, :medium
        box_width = Image::DEFAULT_SIZES[size][:width]
        box_height = Image::DEFAULT_SIZES[size][:height]
      when :original
        box_width = w.to_i
        box_height = h.to_i
      end

      "#{image_id}/scale_to_box/#{x.to_i}/#{y.to_i}/#{w.to_i}/#{h.to_i}/#{box_width}/#{box_height}"
    else
      raise 'This is not a sled derived depiction'
    end
  end

  private

  def remove_media_observation2
    if v = depiction_object_id_previously_was
      o = Observation::Media.find(v)
      if o.depictions.size == 0
        o.destroy!
      end
    end
  end

  def remove_media_observation
    if depiction_object.depictions.size == 0
      depiction_object.destroy!
    end
  end

end

#svg_clip ⇒ xml?

Returns a clipping mask to isolate some portion of the picture.

Returns:

  • (xml, nil) —

    a clipping mask to isolate some portion of the picture



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# File 'app/models/depiction.rb', line 45

class Depiction < ApplicationRecord
  include Housekeeping
  include Shared::Tags
  include Shared::DataAttributes
  include Shared::IsData
  include Shared::PolymorphicAnnotator
  polymorphic_annotates(:depiction_object)

  acts_as_list scope: [:project_id, :depiction_object_type, :depiction_object_id]

  belongs_to :image, inverse_of: :depictions
  belongs_to :sled_image, inverse_of: :depictions
  has_one :sqed_depiction, dependent: :destroy

  accepts_nested_attributes_for :image
  accepts_nested_attributes_for :sqed_depiction, allow_destroy: true

  validates_presence_of :depiction_object
  validates_uniqueness_of :sled_image_id, scope: [:project_id, :sled_image_x_position, :sled_image_y_position], allow_nil: true, if: Proc.new {|n| !n.sled_image_id.nil?}

  after_update :remove_media_observation2, if: Proc.new {|d| d.depiction_object_type_previously_was == 'Observation' && d.depiction_object.type_was == 'Observation::Media' }
  after_destroy :remove_media_observation, if: Proc.new {|d| d.depiction_object_type == 'Observation' && d.depiction_object.type == 'Observation::Media' }

  def from_sled?
    !sled_image_id.nil?
  end

  def sled_extraction_path(size = :thumb)
    if from_sled?
      x, y, w, h = svg_view_box.split(' ')

      box_width, box_height = nil, nil
      case size
      when :thumb, :medium
        box_width = Image::DEFAULT_SIZES[size][:width]
        box_height = Image::DEFAULT_SIZES[size][:height]
      when :original
        box_width = w.to_i
        box_height = h.to_i
      end

      "#{image_id}/scale_to_box/#{x.to_i}/#{y.to_i}/#{w.to_i}/#{h.to_i}/#{box_width}/#{box_height}"
    else
      raise 'This is not a sled derived depiction'
    end
  end

  private

  def remove_media_observation2
    if v = depiction_object_id_previously_was
      o = Observation::Media.find(v)
      if o.depictions.size == 0
        o.destroy!
      end
    end
  end

  def remove_media_observation
    if depiction_object.depictions.size == 0
      depiction_object.destroy!
    end
  end

end

#svg_view_box ⇒ String?

Returns sets the clipping box, identical dimensions to clip for rectangles.

Returns:

  • (String, nil) —

    sets the clipping box, identical dimensions to clip for rectangles



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# File 'app/models/depiction.rb', line 45

class Depiction < ApplicationRecord
  include Housekeeping
  include Shared::Tags
  include Shared::DataAttributes
  include Shared::IsData
  include Shared::PolymorphicAnnotator
  polymorphic_annotates(:depiction_object)

  acts_as_list scope: [:project_id, :depiction_object_type, :depiction_object_id]

  belongs_to :image, inverse_of: :depictions
  belongs_to :sled_image, inverse_of: :depictions
  has_one :sqed_depiction, dependent: :destroy

  accepts_nested_attributes_for :image
  accepts_nested_attributes_for :sqed_depiction, allow_destroy: true

  validates_presence_of :depiction_object
  validates_uniqueness_of :sled_image_id, scope: [:project_id, :sled_image_x_position, :sled_image_y_position], allow_nil: true, if: Proc.new {|n| !n.sled_image_id.nil?}

  after_update :remove_media_observation2, if: Proc.new {|d| d.depiction_object_type_previously_was == 'Observation' && d.depiction_object.type_was == 'Observation::Media' }
  after_destroy :remove_media_observation, if: Proc.new {|d| d.depiction_object_type == 'Observation' && d.depiction_object.type == 'Observation::Media' }

  def from_sled?
    !sled_image_id.nil?
  end

  def sled_extraction_path(size = :thumb)
    if from_sled?
      x, y, w, h = svg_view_box.split(' ')

      box_width, box_height = nil, nil
      case size
      when :thumb, :medium
        box_width = Image::DEFAULT_SIZES[size][:width]
        box_height = Image::DEFAULT_SIZES[size][:height]
      when :original
        box_width = w.to_i
        box_height = h.to_i
      end

      "#{image_id}/scale_to_box/#{x.to_i}/#{y.to_i}/#{w.to_i}/#{h.to_i}/#{box_width}/#{box_height}"
    else
      raise 'This is not a sled derived depiction'
    end
  end

  private

  def remove_media_observation2
    if v = depiction_object_id_previously_was
      o = Observation::Media.find(v)
      if o.depictions.size == 0
        o.destroy!
      end
    end
  end

  def remove_media_observation
    if depiction_object.depictions.size == 0
      depiction_object.destroy!
    end
  end

end

Instance Method Details

#from_sled? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/depiction.rb', line 68

def from_sled?
  !sled_image_id.nil?
end

#remove_media_observation ⇒ Object (private) 



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# File 'app/models/depiction.rb', line 103

def remove_media_observation
  if depiction_object.depictions.size == 0
    depiction_object.destroy!
  end
end

#remove_media_observation2 ⇒ Object (private) 



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# File 'app/models/depiction.rb', line 94

def remove_media_observation2
  if v = depiction_object_id_previously_was
    o = Observation::Media.find(v)
    if o.depictions.size == 0
      o.destroy!
    end
  end
end

#sled_extraction_path(size = :thumb) ⇒ Object 



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# File 'app/models/depiction.rb', line 72

def sled_extraction_path(size = :thumb)
  if from_sled?
    x, y, w, h = svg_view_box.split(' ')

    box_width, box_height = nil, nil
    case size
    when :thumb, :medium
      box_width = Image::DEFAULT_SIZES[size][:width]
      box_height = Image::DEFAULT_SIZES[size][:height]
    when :original
      box_width = w.to_i
      box_height = h.to_i
    end

    "#{image_id}/scale_to_box/#{x.to_i}/#{y.to_i}/#{w.to_i}/#{h.to_i}/#{box_width}/#{box_height}"
  else
    raise 'This is not a sled derived depiction'
  end
end