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Module Owl_plot

module Owl_plot: sig .. end
Plot: high-level plotting functions.

The input to a plot function is supposed to be a row-based matrix/vector. The functions in this module are built atop of Plplot library.
type dsmat = Owl_dense_matrix_d.mat 
type handle 
type color =
| RED
| GREEN
| BLUE 
type legend_position =
| North
| South
| West
| East
| NorthWest
| NorthEast
| SouthWest
| SouthEast 
val create : ?m:int -> ?n:int -> string -> handle
val subplot : handle -> int -> int -> unit
val output : handle -> unit
val set_output : handle -> string -> unit
val set_title : handle -> string -> unit
val set_xlabel : handle -> string -> unit
val set_ylabel : handle -> string -> unit
val set_zlabel : handle -> string -> unit
val set_xrange : handle -> float -> float -> unit
val set_yrange : handle -> float -> float -> unit
val set_zrange : handle -> float -> float -> unit
val set_xticklabels : handle -> (float * string) list -> unit
val set_yticklabels : handle -> (float * string) list -> unit
val set_zticklabels : handle -> (float * string) list -> unit
val set_foreground_color : handle -> int -> int -> int -> unit
val set_background_color : handle -> int -> int -> int -> unit
val set_altitude : handle -> float -> unit
val set_azimuth : handle -> float -> unit
val set_font_size : handle -> float -> unit
val set_pen_size : handle -> float -> unit
val set_page_size : handle -> int -> int -> unit
val legend_on : handle -> ?position:legend_position -> string array -> unit
val legend_off : handle -> unit

Line style is an integer ranging from 1 to 8.
val plot : ?h:handle ->
       ?color:int * int * int ->
       ?marker:string ->
       ?marker_size:float ->
       ?line_style:int ->
       ?line_width:float -> dsmat -> dsmat -> unit
val plot_fun : ?h:handle ->
       ?color:int * int * int ->
       ?marker:string ->
       ?marker_size:float ->
       ?line_style:int ->
       ?line_width:float -> (float -> float) -> float -> float -> unit
val scatter : ?h:handle ->
       ?color:int * int * int ->
       ?marker:string ->
       ?marker_size:float -> dsmat -> dsmat -> unit
val histogram : ?h:handle ->
       ?color:int * int * int -> ?bin:int -> dsmat -> unit
val ecdf : ?h:handle ->
       ?color:int * int * int ->
       ?line_style:int -> ?line_width:float -> dsmat -> unit
val stairs : ?h:handle ->
       ?color:int * int * int ->
       ?line_style:int ->
       ?line_width:float -> dsmat -> dsmat -> unit
val stem : ?h:handle ->
       ?color:int * int * int ->
       ?marker:string ->
       ?marker_size:float ->
       ?line_style:int ->
       ?line_width:float -> dsmat -> dsmat -> unit
val autocorr : ?h:handle ->
       ?marker:string -> ?marker_size:float -> dsmat -> unit
val text : ?h:handle ->
       ?color:int * int * int ->
       float -> float -> ?dx:float -> ?dy:float -> string -> unit
val draw_line : ?h:handle ->
       ?color:int * int * int ->
       ?line_style:int ->
       ?line_width:float -> float -> float -> float -> float -> unit
val draw_rect : ?h:handle ->
       ?color:int * int * int ->
       ?line_style:int ->
       ?fill_pattern:int -> float -> float -> float -> float -> unit
val draw_circle : ?h:handle ->
       ?color:int * int * int ->
       ?line_style:int ->
       ?line_width:float -> ?fill_pattern:int -> float -> float -> float -> unit
val bar : ?h:handle ->
       ?color:int * int * int ->
       ?line_style:int -> ?fill_pattern:int -> dsmat -> unit
val area : ?h:handle ->
       ?color:int * int * int ->
       ?line_style:int ->
       ?fill_pattern:int -> dsmat -> dsmat -> unit
val error_bar : ?h:handle ->
       ?color:int * int * int ->
       ?line_style:int ->
       ?line_width:float ->
       dsmat -> dsmat -> dsmat -> unit
val boxplot : ?h:handle -> ?color:int * int * int -> dsmat -> unit
val pie : ?h:handle ->
       ?color:int * int * int -> ?fill:bool -> dsmat -> unit

Plot 3D figures
val plot3d : ?h:handle ->
       ?contour:bool ->
       ?altitude:float ->
       ?azimuth:float -> dsmat -> dsmat -> dsmat -> unit
plot3d is just an alias of surf function.
val surf : ?h:handle ->
       ?contour:bool ->
       ?altitude:float ->
       ?azimuth:float -> dsmat -> dsmat -> dsmat -> unit
val mesh : ?h:handle ->
       ?contour:bool ->
       ?altitude:float ->
       ?azimuth:float -> dsmat -> dsmat -> dsmat -> unit
val contour : ?h:handle ->
       dsmat -> dsmat -> dsmat -> unit
val heatmap : ?h:handle ->
       dsmat -> dsmat -> dsmat -> unit

Advanced statistical plot
val normplot : ?h:handle -> dsmat -> unit

Other plots