docstr: The 'line' property is an instance of Line
  that may be specified as:
    - An instance of :class:`plotly.graph_objs.scatterternary.marker.Line`
    - A dict of string/value properties that will be passed
      to the Line constructor
  
      Supported dict properties:
          
          autocolorscale
              Determines whether the colorscale is a default
              palette (`autocolorscale: true`) or the palette
              determined by `marker.line.colorscale`. Has an
              effect only if in `marker.line.color`is set to
              a numerical array. In case `colorscale` is
              unspecified or `autocolorscale` is true, the
              default  palette will be chosen according to
              whether numbers in the `color` array are all
              positive, all negative or mixed.
          cauto
              Determines whether or not the color domain is
              computed with respect to the input data (here
              in `marker.line.color`) or the bounds set in
              `marker.line.cmin` and `marker.line.cmax`  Has
              an effect only if in `marker.line.color`is set
              to a numerical array. Defaults to `false` when
              `marker.line.cmin` and `marker.line.cmax` are
              set by the user.
          cmax
              Sets the upper bound of the color domain. Has
              an effect only if in `marker.line.color`is set
              to a numerical array. Value should have the
              same units as in `marker.line.color` and if
              set, `marker.line.cmin` must be set as well.
          cmid
              Sets the mid-point of the color domain by
              scaling `marker.line.cmin` and/or
              `marker.line.cmax` to be equidistant to this
              point. Has an effect only if in
              `marker.line.color`is set to a numerical array.
              Value should have the same units as in
              `marker.line.color`. Has no effect when
              `marker.line.cauto` is `false`.
          cmin
              Sets the lower bound of the color domain. Has
              an effect only if in `marker.line.color`is set
              to a numerical array. Value should have the
              same units as in `marker.line.color` and if
              set, `marker.line.cmax` must be set as well.
          color
              Sets themarker.linecolor. It accepts either a
              specific color or an array of numbers that are
              mapped to the colorscale relative to the max
              and min values of the array or relative to
              `marker.line.cmin` and `marker.line.cmax` if
              set.
          coloraxis
              Sets a reference to a shared color axis.
              References to these shared color axes are
              "coloraxis", "coloraxis2", "coloraxis3", etc.
              Settings for these shared color axes are set in
              the layout, under `layout.coloraxis`,
              `layout.coloraxis2`, etc. Note that multiple
              color scales can be linked to the same color
              axis.
          colorscale
              Sets the colorscale. Has an effect only if in
              `marker.line.color`is set to a numerical array.
              The colorscale must be an array containing
              arrays mapping a normalized value to an rgb,
              rgba, hex, hsl, hsv, or named color string. At
              minimum, a mapping for the lowest (0) and
              highest (1) values are required. For example,
              `[[0, 'rgb(0,0,255)'], [1, 'rgb(255,0,0)']]`.
              To control the bounds of the colorscale in
              color space, use`marker.line.cmin` and
              `marker.line.cmax`. Alternatively, `colorscale`
              may be a palette name string of the following
              list: Greys,YlGnBu,Greens,YlOrRd,Bluered,RdBu,R
              eds,Blues,Picnic,Rainbow,Portland,Jet,Hot,Black
              body,Earth,Electric,Viridis,Cividis.
          colorsrc
              Sets the source reference on Chart Studio Cloud
              for  color .
          reversescale
              Reverses the color mapping if true. Has an
              effect only if in `marker.line.color`is set to
              a numerical array. If true, `marker.line.cmin`
              will correspond to the last color in the array
              and `marker.line.cmax` will correspond to the
              first color.
          width
              Sets the width (in px) of the lines bounding
              the marker points.
          widthsrc
              Sets the source reference on Chart Studio Cloud
              for  width .
  
  Returns
  -------
  plotly.graph_objs.scatterternary.marker.Line
code: def line(self):
      """
      The 'line' property is an instance of Line
      that may be specified as:
        - An instance of :class:`plotly.graph_objs.scatterternary.marker.Line`
        - A dict of string/value properties that will be passed
          to the Line constructor
  
          Supported dict properties:
  
              autocolorscale
                  Determines whether the colorscale is a default
                  palette (`autocolorscale: true`) or the palette
                  determined by `marker.line.colorscale`. Has an
                  effect only if in `marker.line.color`is set to
                  a numerical array. In case `colorscale` is
                  unspecified or `autocolorscale` is true, the
                  default  palette will be chosen according to
                  whether numbers in the `color` array are all
                  positive, all negative or mixed.
              cauto
                  Determines whether or not the color domain is
                  computed with respect to the input data (here
                  in `marker.line.color`) or the bounds set in
                  `marker.line.cmin` and `marker.line.cmax`  Has
                  an effect only if in `marker.line.color`is set
                  to a numerical array. Defaults to `false` when
                  `marker.line.cmin` and `marker.line.cmax` are
                  set by the user.
              cmax
                  Sets the upper bound of the color domain. Has
                  an effect only if in `marker.line.color`is set
                  to a numerical array. Value should have the
                  same units as in `marker.line.color` and if
                  set, `marker.line.cmin` must be set as well.
              cmid
                  Sets the mid-point of the color domain by
                  scaling `marker.line.cmin` and/or
                  `marker.line.cmax` to be equidistant to this
                  point. Has an effect only if in
                  `marker.line.color`is set to a numerical array.
                  Value should have the same units as in
                  `marker.line.color`. Has no effect when
                  `marker.line.cauto` is `false`.
              cmin
                  Sets the lower bound of the color domain. Has
                  an effect only if in `marker.line.color`is set
                  to a numerical array. Value should have the
                  same units as in `marker.line.color` and if
                  set, `marker.line.cmax` must be set as well.
              color
                  Sets themarker.linecolor. It accepts either a
                  specific color or an array of numbers that are
                  mapped to the colorscale relative to the max
                  and min values of the array or relative to
                  `marker.line.cmin` and `marker.line.cmax` if
                  set.
              coloraxis
                  Sets a reference to a shared color axis.
                  References to these shared color axes are
                  "coloraxis", "coloraxis2", "coloraxis3", etc.
                  Settings for these shared color axes are set in
                  the layout, under `layout.coloraxis`,
                  `layout.coloraxis2`, etc. Note that multiple
                  color scales can be linked to the same color
                  axis.
              colorscale
                  Sets the colorscale. Has an effect only if in
                  `marker.line.color`is set to a numerical array.
                  The colorscale must be an array containing
                  arrays mapping a normalized value to an rgb,
                  rgba, hex, hsl, hsv, or named color string. At
                  minimum, a mapping for the lowest (0) and
                  highest (1) values are required. For example,
                  `[[0, 'rgb(0,0,255)'], [1, 'rgb(255,0,0)']]`.
                  To control the bounds of the colorscale in
                  color space, use`marker.line.cmin` and
                  `marker.line.cmax`. Alternatively, `colorscale`
                  may be a palette name string of the following
                  list: Greys,YlGnBu,Greens,YlOrRd,Bluered,RdBu,R
                  eds,Blues,Picnic,Rainbow,Portland,Jet,Hot,Black
                  body,Earth,Electric,Viridis,Cividis.
              colorsrc
                  Sets the source reference on Chart Studio Cloud
                  for  color .
              reversescale
                  Reverses the color mapping if true. Has an
                  effect only if in `marker.line.color`is set to
                  a numerical array. If true, `marker.line.cmin`
                  will correspond to the last color in the array
                  and `marker.line.cmax` will correspond to the
                  first color.
              width
                  Sets the width (in px) of the lines bounding
                  the marker points.
              widthsrc
                  Sets the source reference on Chart Studio Cloud
                  for  width .
  
      Returns
      -------
      plotly.graph_objs.scatterternary.marker.Line
      """
      return self["line"]
  
imports: from plotly.basedatatypes import BaseTraceHierarchyType
  import copy
label_desc: Use image node_id 23 for calling the Marker obj's underlying member method code with example usage: obj.line() and returns: self