Class: Plotlyrb::PlotImage

Inherits:
Object
  • Object
show all
Defined in:
lib/plotlyrb/plot_image.rb

Constant Summary collapse

VALID_IMAGE_FORMATS = 
[:png, :svg, :pdf, :eps]

Instance Method Summary collapse

Constructor Details

#initialize(headers) ⇒ PlotImage

Returns a new instance of PlotImage.



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# File 'lib/plotlyrb/plot_image.rb', line 9

def initialize(headers)
  @headers = headers
  @https = Net::HTTP.new(ApiV2::IMAGES.host, ApiV2::IMAGES.port)
  @https.use_ssl = true
end

Instance Method Details

#plot_image(data, image_path, image_type, layout = {}) ⇒ Object 



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# File 'lib/plotlyrb/plot_image.rb', line 15

def plot_image(data, image_path, image_type, layout = {})
  raise "image_type #{image_type} not supported" unless VALID_IMAGE_FORMATS.include?(image_type)
  payload = { :figure => { :data => data, :layout => layout }, :format => image_type.to_s }.to_json
  request = Net::HTTP::Post.new(ApiV2::IMAGES.path, @headers)
  request.body = payload
  response = @https.request(request)
  image_path_with_ext = "#{image_path}"
  IO.binwrite(image_path_with_ext, response.body)
end