PolarHeatMap

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Object Hierarchy:

Description:

Content:

Structs:

• AnnulusSector - Defines vertices of an annulus sector

Properties:

• public double zoom { set; get; }
• public ColorGradientType gradient { set; get; }
• public string id { set; get; }
  The identifier for the object.
• public Map<string,Object> objects { set; get; }
  The map collection of the objects that belong to the container.
• protected string xml { public get; }
• protected string xsd { public get; }
• protected virtual unowned Node* node { public set; public get; }
• public weak ImageSurface image_surface { set; get; }
  A surface to draw into
• public double zmin { set; get; }
• public double zmax { set; get; }
• protected string min_color_spec { public set; public get; }
• public RGBA min_color { set; get; }
• protected string max_color_spec { public set; public get; }
• public RGBA max_color { set; get; }
• protected string interpolation_type { public set; public get; }

Creation methods:

• public PolarHeatMap.from_xml_node (unowned Node* node)
  Construction using an XML node.
• public PolarHeatMap ()

Methods:

• protected void update_node ()
• protected void connect_notify_signals ()
  Connect all notify signals to update node
• public void refresh ()
  Update the raw data
• public void generate (int w, int h, double x_min, double x_max, double y_min, double y_max)
  Generate the pixelated data by interpolating the raw data and scaling it to the chart dimensions and axis limits.
• public void draw (Context cr)
  Draw into the given context
• public void update_objects (Map<string,Object> val)
  Update the internal object list.

Fields:

• protected RGBA _min_color
• protected RGBA _max_color

Inherited Members: