Files
paparazzi/sw/logalizer/logplotter.ml
2023-02-14 10:07:45 +01:00

937 lines
31 KiB
OCaml

(*
* Basic log plotter
*
* Copyright (C) 2007- ENAC, Pascal Brisset, Antoine Drouin
*
* This file is part of paparazzi.
*
* paparazzi is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* paparazzi is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with paparazzi; see the file COPYING. If not, write to
* the Free Software Foundation, 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
*)
open Latlong
open Printf
let (//) = Filename.concat
let logs_dir = Env.paparazzi_home // "var" // "logs"
let sample_kml = Env.paparazzi_home // "data/maps/sample_path.kml"
let verbose = ref false
class type text_value = object method text : string end
let double__ =
let underscore = Str.regexp "_" in
fun s -> Str.global_replace underscore "__" s
let remove_same_t = fun l ->
let rec loop prev = function
(t1,y1)::(((t2,y2)::l) as l')->
if t1 = t2 then
let y = if (y2-y1)*(y1-prev) > 0 then y2 else y1 in
loop y ((t1,y)::l)
else
(t1,y1)::loop y1 l'
| l -> l in
loop 0 l
let compute_ticks = fun min_y max_y ->
let delta = max_y -. min_y in
let scale = log delta /. log 10. in
let d = 10. ** floor scale in
let u =
if delta < 2.*.d then d/.5.
else if delta < 5.*.d then d/.2.
else d in
let tick_min = min_y -. mod_float min_y u in
(delta, scale, u, tick_min)
let colors = [|(255,0,0);(0,255,0); (0,0,255); (245,215,20); (245,20,245); (30,225,225); (110,30,230)|]
type curve = { values: (float*float) array; color : int*int*int }
let labelled_entry = fun ?width_chars text value (h:GPack.box) ->
let label = GMisc.label ~text ~packing:h#pack () in
label, GEdit.entry ?width_chars ~text:value ~packing:h#pack ()
let logs_menus = ref []
let screenshot_hint_name =
let n = ref 0 in
fun extension ->
let basename =
match !logs_menus with
(_, menu_name, _, _)::_ -> begin
match Str.split (Str.regexp ":") menu_name with
menu_prefix::_ -> sprintf "%s" menu_prefix
| _ -> sprintf "%s" menu_name
end
| _ -> incr n; sprintf "pprz_log-%d" !n in
sprintf "%s.%s" basename extension
let save_dialog = fun extension callback ->
let title = "Save snapshot" in
let dialog = GWindow.file_chooser_dialog ~action:`SAVE ~title () in
ignore (dialog#set_current_folder logs_dir);
dialog#add_filter (GFile.filter ~name:extension ~patterns:["*."^extension] ());
dialog#add_button_stock `CANCEL `CANCEL ;
dialog#add_select_button_stock `SAVE `SAVE ;
let name = screenshot_hint_name extension in
let _ = dialog#set_current_name name in
begin match dialog#run (), dialog#filename with
`SAVE, Some name ->
dialog#destroy ();
callback name
| _ -> dialog#destroy ()
end
let fig_renderer = fun (width, height) ->
let scale = 12 in (* 1200ppi (for xfig) / 100ppi (for screen) *)
let width = width * scale
and height = height * scale in
object (self)
val mutable pen_color = Fig.black
val mutable text = ""
val mutable objects = []
method unit = fun x -> scale * x
method size = (width, height)
method init = fun () ->
self#rectangle 0 0 width height ()
method set_color = fun (r, g, b) ->
let (id, obj) = Fig.color r g b in
pen_color <- id;
objects <- obj :: objects
method lines = fun points ->
objects <- Fig.polyline ~pen_color points :: objects
method rectangle = fun x y width height ?(filled=false) () ->
let area_fill = if filled then Fig.filled else -1
and p1 = (x,y)
and p2 = (x+width,y+height) in
let points = [p1; p2] in
objects <- Fig.polyline ~pen_color ~fill_color:pen_color ~sub_type:Fig.Box ~area_fill points :: objects
val font_size = 10
method create_text = fun s ->
text <- s;
((3*font_size*scale)/4*String.length s, font_size*scale)
method put_text = fun x y ->
let font = Fig.Postscript Fig.Helvetica in
let obj = Fig.text ~font ~font_size ~color:pen_color (x,y+font_size*scale) text in
objects <- obj :: objects
method draw = fun () ->
let fig = Fig.create objects in
save_dialog "fig" (fun name -> Fig.write name fig)
end
class plot = fun ~width ~height ~packing () ->
let curves = Hashtbl.create 3
and left_margin = 50
and bottom_margin = 25
and top_margin = 20 in
object (self)
val mutable min_x = max_float
val mutable max_x = -.max_float
val mutable min_y = max_float
val mutable max_y = -.max_float
val mutable scale_events = []
val mutable color_index = 0
val mutable csts = ([] : float list)
val mutable auto_scale = true
val mutable press_x = 0.
val mutable press_y = 0.
val mutable motion_x = 0.
val mutable motion_y = 0.
val mutable pressed_button = None
inherit Gtk_tools.pixmap_in_drawin_area ~width ~height ~packing () as pida
method unscale_x = fun width x ->
min_x +. (x -. float left_margin) *. (max_x -. min_x) /. float (width-left_margin)
method unscale_y = fun height y ->
let graph_height = height - bottom_margin - top_margin in
min_y -. (y -. float (top_margin+graph_height)) *. (max_y -. min_y) /. float graph_height
method private update_scale = fun ?(update_x=true) values ->
let n = Array.length values in
if update_x then begin
min_x <- min min_x (fst values.(0));
max_x <- max max_x (fst values.(n-1))
end;
for i = 0 to n - 1 do
let x, y = values.(i) in
if min_x <= x && x <= max_x then begin
min_y <- min min_y y;
max_y <- max max_y y
end
done
method reset_scale = fun ?(update_x = true) () ->
if auto_scale || not update_x then begin
(* Recomputes the min and max *)
if update_x then begin
min_x <- max_float;
max_x <- -.max_float
end;
min_y <- max_float;
max_y <- -.max_float;
Hashtbl.iter
(fun _ curve -> self#update_scale ~update_x curve.values)
curves;
self#wake ()
end
method auto_scale = auto_scale
method set_auto_scale = fun x ->
auto_scale <- x;
self#reset_scale ();
self#recompute ()
method min_x () = min_x
method min_y () = min_y
method set_min_x = fun x -> if not self#auto_scale then begin min_x <- x; self#recompute () end
method set_min_y = fun x -> if not self#auto_scale then begin min_y <- x; self#recompute () end
method max_x () = max_x
method max_y () = max_y
method set_max_x = fun x -> if not self#auto_scale then begin max_x <- x; self#recompute () end
method set_max_y = fun x -> if not self#auto_scale then begin max_y <- x; self#recompute () end
method scale_event = fun cb -> scale_events <- cb :: scale_events
method wake = fun () -> List.iter (fun cb -> cb ()) scale_events;
method destroy = fun () -> ()
method add_cst = fun v ->
csts <- v :: csts;
self#recompute ()
method delete_cst = fun v ->
csts <- List.filter (fun x -> x <> v) csts;
self#recompute ()
method add_curve = fun (name:string) (values:(float*float) array) ->
let curve = { values = values; color = colors.(color_index) } in
Hashtbl.add curves name curve;
color_index <- (color_index + 1) mod Array.length colors;
if auto_scale then begin
self#update_scale values;
self#wake ()
end;
self#wake ();
self#recompute ();
curve
method delete_curve = fun (name:string) ->
Hashtbl.remove curves name;
self#reset_scale ();
self#recompute ()
method da_renderer = fun () ->
let da = self#drawing_area in
let context = da#misc#create_pango_context in
let () = context#set_font_by_name "sans 8 " in
let layout = context#create_layout in
let dr = self#get_pixmap () in
object (self)
method size =
let s = da#misc#allocation in
(s.Gtk.width, s.Gtk.height)
method init = fun () ->
dr#set_foreground (`NAME "white");
let (width, height) = self# size in
dr#rectangle ~x:0 ~y:0 ~width ~height ~filled:true ()
method set_color = fun (r, g, b) ->
dr#set_foreground (`RGB (256*r, 256*g, 256*b))
method lines = dr#lines
method rectangle = fun x y width height ?(filled=false) () ->
dr#rectangle ~x ~y ~width ~height ~filled ()
method create_text = fun s ->
Pango.Layout.set_text layout s;
Pango.Layout.get_pixel_size layout
method put_text = fun x y ->
dr#put_layout ~x ~y layout
method draw = fun () ->
pida#redraw ()
method unit = fun x -> x
end
method export_fig = fun () ->
let renderer = fig_renderer (self#da_renderer ())#size in
self#recompute ~renderer ()
method recompute = fun ?(renderer=self#da_renderer ()) ?(low_res=false) () ->
let (width, height) = renderer#size in
renderer#init ();
let tick_len = renderer#unit 5
and margin = renderer#unit 3
and left_margin = renderer#unit left_margin
and bottom_margin = renderer#unit bottom_margin
and top_margin = renderer#unit top_margin in
let black = (0,0,0) in
let graph_height = height - bottom_margin - top_margin in
let scale_x = fun x -> left_margin + truncate ((x-.min_x)*. float (width-left_margin) /. (max_x -. min_x))
and scale_y = fun y -> top_margin+graph_height - truncate ((y-.min_y)*. float graph_height /. (max_y -. min_y)) in
(* Constants *)
List.iter
(fun v ->
renderer#set_color black;
renderer#lines [(left_margin, scale_y v); (width, scale_y v)])
csts;
(* Curves *)
let title_y = ref margin in
Hashtbl.iter (fun title curve ->
let step = if low_res then 10 else 1 in
let points = ref [] in
Array.iteri (fun i (t, v) -> if t > min_x && t <= max_x && (i mod step = 0) then points := List.rev_append [(scale_x t, scale_y v)] !points) curve.values;
renderer#set_color curve.color;
if List.length !points > 0 then renderer#lines !points;
(* Title *)
let (w, h) = renderer#create_text title in
renderer#rectangle (width-h-margin) !title_y h h ~filled:true ();
renderer#set_color black;
renderer#put_text (width-2*margin-w-h) (!title_y);
title_y := !title_y + h + margin)
curves;
(* Graduations *)
if Hashtbl.length curves > 0 then begin
renderer#set_color black;
(* Y *)
let (min_y, max_y) =
if max_y > min_y then (min_y, max_y)
else let d = abs_float max_y /. 10. in (max_y -. d, max_y +. d) in
let delta, scale, u, tick_min = compute_ticks min_y max_y in
for i = 0 to truncate (delta/.u) + 1 do
let tick = tick_min +. float i *. u in
let y = scale_y tick in
if y < height - bottom_margin then
let s = Printf.sprintf "%.*f" (max 0 (2-truncate scale)) tick in
let (w, h) = renderer#create_text s in
renderer#put_text (left_margin-margin-w) (y-h/2);
renderer#lines [(left_margin,y);(left_margin+tick_len,y)]
done;
(* Time *)
let delta, scale, u, tick_min = compute_ticks min_x max_x in
let y = height in
for i = 0 to truncate (delta/.u) + 1 do
let tick = tick_min +. float i *. u in
let x = scale_x tick in
if left_margin < x && x < width then
let s = Printf.sprintf "%.*f" (max 0 (2-truncate scale)) tick in
let (w, h) = renderer#create_text s in
let y = y-margin-h in
renderer#put_text (x-w/2) y;
renderer#lines [(x,y);(x,y-tick_len)]
done
end;
(* Draw a rectangle of the current selection *)
begin
match pressed_button with
Some 1 ->
let width = abs (truncate (motion_x -. press_x))
and height = abs (truncate (motion_y -. press_y)) in
if width > 5 && height > 5 then
let x = truncate (min press_x motion_x)
and y = truncate (min press_y motion_y) in
renderer#set_color black;
renderer#rectangle x y width height ();
| _ -> ()
end;
(* Actually draw *)
renderer#draw ()
method scroll = fun dpx dpy ->
let scale_x = (max_x -. min_x) /. float (width-left_margin)
and scale_y = (max_y -. min_y) /. float (height - bottom_margin - top_margin) in
let dx = scale_x *. float dpx
and dy = scale_y *. float dpy in
min_x <- min_x +. dx;
max_x <- max_x +. dx;
min_y <- min_y +. dy;
max_y <- max_y +. dy;
self#recompute ~low_res:true ()
method button_press = fun ev ->
pressed_button <- Some (GdkEvent.Button.button ev);
match GdkEvent.Button.button ev with
1 | 2 -> (* left button, store position *)
press_x <- GdkEvent.Button.x ev;
press_y <- GdkEvent.Button.y ev;
true
| 3 when not auto_scale -> (* right button, reset scale *)
self#reset_scale ~update_x:false ();
self#recompute ();
true
| _ -> false
method motion_notify = fun ev ->
let x = GdkEvent.Motion.x ev
and y = GdkEvent.Motion.y ev in
match pressed_button with
Some 1 ->
motion_x <- x;
motion_y <- y;
self#recompute ~low_res:true ();
true
| Some 2 -> (* middle button, scroll *)
self#scroll (truncate (press_x-.x)) (truncate (y-.press_y));
press_x <- x;
press_y <- y;
true
| _ -> false
method button_release = fun ev ->
pressed_button <- None;
match GdkEvent.Button.button ev with
1 -> (* left button, change scale *)
let release_x = GdkEvent.Button.x ev
and release_y = GdkEvent.Button.y ev in
if abs_float (release_x -. press_x) > 25.
&& abs_float (release_y -. press_y) > 25. then begin
let {Gtk.width=width;height=height}= self#drawing_area#misc#allocation in
let new_max_x = self#unscale_x width (max press_x release_x) in
min_x <- self#unscale_x width (min press_x release_x);
max_x <- new_max_x;
let new_max_y = self#unscale_y height (min press_y release_y)in
min_y <- self#unscale_y height (max press_y release_y);
max_y <- new_max_y;
auto_scale <- false;
self#recompute ()
end;
true
| 2 -> self#recompute (); (* recompute at full resolution after a scroll *)
true
| _ -> false
method zoom = fun ev ->
let {Gtk.width=width;height=height}= self#drawing_area#misc#allocation
and dx = (max_x -. min_x) and dy = (max_y -. min_y) in
let alpha_x =
(GdkEvent.Scroll.x ev -. float left_margin)
/. float (width-left_margin)
and alpha_y =
(float height-.GdkEvent.Scroll.y ev-. float (top_margin+bottom_margin))
/. float (height-top_margin-bottom_margin)
and ev_state = GdkEvent.Scroll.state ev in
let ctrl_mod = Gdk.Convert.test_modifier `CONTROL ev_state
and shift_mod = Gdk.Convert.test_modifier `SHIFT ev_state in
match GdkEvent.Scroll.direction ev with
`UP -> (* Zoom factor 2 *)
if not shift_mod then begin
min_x <- min_x +. dx *. alpha_x /. 2.;
max_x <- min_x +. dx /. 2.
end;
if not ctrl_mod then begin
min_y <- min_y +. dy *. alpha_y /. 2.;
max_y <- min_y +. dy /. 2.
end;
auto_scale <- false;
self#recompute ();
true
| `DOWN -> (* Unzoom factor 2 *)
if not shift_mod then begin
min_x <- min_x -. dx *. alpha_x;
max_x <- min_x +. dx *. 2.
end;
if not ctrl_mod then begin
min_y <- min_y -. dy *. alpha_y;
max_y <- min_y +. dy *. 2.
end;
auto_scale <- false;
self#recompute ();
true
| _ -> false
initializer ignore (self#drawing_area#event#connect#expose ~callback:(fun _ -> self#recompute (); false))
initializer ignore (self#drawing_area#event#add [`BUTTON_PRESS; `BUTTON_MOTION; `BUTTON_RELEASE; `SCROLL])
initializer ignore (self#drawing_area#event#connect#button_press ~callback:self#button_press);
initializer ignore (self#drawing_area#event#connect#motion_notify ~callback:self#motion_notify);
initializer ignore (self#drawing_area#event#connect#button_release ~callback:self#button_release);
initializer ignore (self#drawing_area#event#connect#scroll ~callback:self#zoom);
end
let pprz_float = function
PprzLink.Int i -> float i
| PprzLink.Float f -> f
| PprzLink.Int32 i -> Int32.to_float i
| PprzLink.Int64 i -> Int64.to_float i
| PprzLink.String s -> let v = try float_of_string s with _ -> 0. in v
| PprzLink.Char c -> let v = try float_of_string (String.make 1 c) with _ -> 0. in v
| PprzLink.Array _ -> 0.
let rec select_gps_values = function
[] -> []
| (m, values)::_ when m.PprzLink.name = "GPS" ->
let xs = List.assoc "utm_east" values
and ys = List.assoc "utm_north" values
and zs = List.assoc "utm_zone" values
and alts = List.assoc "alt" values in
let l = ref [] in
for i = 0 to Array.length xs - 1 do
let z = truncate (snd zs.(i))
and a = snd alts.(i) /. 1000. in
if z <> 0 && a > 0. then
let t = fst xs.(i)
and x = snd xs.(i) /. 100.
and y = snd ys.(i) /. 100. in
let utm = { utm_x = x; utm_y = y; utm_zone = z } in
l := try (t, of_utm WGS84 utm, a) :: !l with _ -> !l
done;
List.rev !l
| (m, values)::_ when m.PprzLink.name = "GPS_INT" ->
let lats = List.assoc "lat" values
and lons = List.assoc "lon" values
and alts = List.assoc "hmsl" values in
let l = ref [] in
for i = 0 to Array.length lats - 1 do
let a = snd alts.(i) /. 1000. in
if a > 0. then
let t = fst lats.(i)
and lat = snd lats.(i) /. 1e7
and lon = snd lons.(i) /. 1e7 in
let wgs84 = make_geo_deg lat lon in
l := (t, wgs84, a) :: !l
done;
List.rev !l
| (m, values)::_ when m.PprzLink.name = "MINIMAL_COM" ->
let lats = List.assoc "lat" values
and lons = List.assoc "lon" values
and alts = List.assoc "hmsl" values in
let l = ref [] in
for i = 0 to Array.length lats - 1 do
let a = snd alts.(i) in
if a > 0. then
let t = fst lats.(i)
and lat = snd lats.(i)
and lon = snd lons.(i) in
let wgs84 = make_geo_deg lat lon in
l := (t, wgs84, a) :: !l
done;
List.rev !l
| _ :: rest ->
select_gps_values rest
let write_kml = fun plot log_name values ->
let t_min = plot#min_x ()
and t_max = plot#max_x () in
let t_min = if t_min = max_float then -. max_float else t_min in
let t_max = if t_max = -. max_float then max_float else t_max in
let l = List.filter (fun (t,_,_) -> t_min <= t && t < t_max) values in
let xml = ExtXml.parse_file sample_kml in
let doc = ExtXml.child xml "Document" in
let place = ExtXml.child doc "Placemark" in
let line = ExtXml.child place "LineString" in
let coords =
String.concat " " (List.map (fun (_,p, a) -> sprintf "%.6f,%.6f,%f" ((Rad>>Deg)p.posn_long) ((Rad>>Deg)p.posn_lat) a) l) in
let coordinates = Xml.Element ("coordinates", [], [Xml.PCData coords]) in
let line = ExtXml.subst_child "coordinates" coordinates line in
let place = ExtXml.subst_child "LineString" line place in
let name = Xml.Element ("name", [], [Xml.PCData log_name]) in
let place = ExtXml.subst_child "name" name place in
let doc = ExtXml.subst_child "Placemark" place doc in
let doc = ExtXml.subst_child "name" (Xml.Element ("name", [], [Xml.PCData log_name])) doc in
let xml = ExtXml.subst_child "Document" doc xml in
let title = "Save KML" in
let dialog = GWindow.file_chooser_dialog ~action:`SAVE ~title () in
ignore (dialog#set_current_folder logs_dir);
dialog#add_filter (GFile.filter ~name:"kml" ~patterns:["*.kml"] ());
dialog#add_button_stock `CANCEL `CANCEL ;
dialog#add_select_button_stock `SAVE `SAVE ;
let _ = dialog#set_current_name (log_name^".kml") in
begin match dialog#run (), dialog#filename with
`SAVE, Some name ->
dialog#destroy ();
let f = open_out name in
fprintf f "%s\n" (Xml.to_string_fmt xml);
close_out f
| _ -> dialog#destroy ()
end
let bracket_regexp = Str.regexp "\\["
let add_ac_submenu = fun ?(export=false) protocol ?(factor=object method text="1" end) plot menubar (curves_menu_fact: GMenu.menu GMenu.factory) ac menu_name l raw_msgs ->
let menu = GMenu.menu () in
let menuitem = GMenu.menu_item ~label:menu_name () in
menuitem#set_submenu menu;
menubar#menu#append menuitem;
let menu_fact = new GMenu.factory menu in
(* Build the msg menus *)
List.iter
(fun (msg, l) ->
let msg_name = msg.PprzLink.name in
let menu = menu_fact#add_submenu (double__ msg_name) in
let menu_fact = new GMenu.factory menu in
(* Build the field menus *)
List.iter (* forall fields *)
(fun (f, values) ->
let callback = fun _ ->
(* Remove the . for an array field name *)
let f' = List.hd (Str.split bracket_regexp f) in
let alt_unit_coef = (List.assoc f' msg.PprzLink.fields).PprzLink.alt_unit_coef in
let name = sprintf "%s:%s:%s:%s" menu_name msg_name f factor#text
and (a, b) = Ocaml_tools.affine_transform factor#text
and (a', b') = Ocaml_tools.affine_transform alt_unit_coef in
let a = a *. a' and b = a*.b' +. b in
let values = Array.map (fun (t,v) -> (t, v*.a+.b)) values in
let curve = plot#add_curve name values in
let eb = GBin.event_box ~width:10 ~height:10 () in
let (r, g, b) = curve.color in
eb#coerce#misc#modify_bg [`NORMAL, `RGB (256*r,256*g,256*b)];
let item = curves_menu_fact#add_image_item ~image:eb#coerce ~label:name () in
let delete = fun () ->
plot#delete_curve name;
curves_menu_fact#menu#remove (item :> GMenu.menu_item) in
ignore (item#connect#activate ~callback:delete)
in
ignore (menu_fact#add_item ~callback (double__ f)))
l
)
l;
ignore (menu_fact#add_separator ());
let callback = fun () ->
write_kml plot menu_name (select_gps_values l) in
ignore (menu_fact#add_item ~callback "Export KML path");
let callback = fun ?no_gui () ->
Export.popup ?no_gui protocol menu_name raw_msgs in
ignore (menu_fact#add_item ~callback "Export CSV");
if export then
callback ~no_gui:true ()
let load_log = fun ?export ?factor (plot:plot) (menubar:GMenu.menu_shell GMenu.factory) curves_fact xml_file ->
Debug.call 'p' (fun f -> fprintf f "load_log: %s\n" xml_file);
let xml = ExtXml.parse_file xml_file in
let data_file = ExtXml.attrib xml "data_file" in
Debug.call 'p' (fun f -> fprintf f "data_file: %s\n" data_file);
let protocol = ExtXml.child xml "protocol" in
(* In the old days, telemetry class was named telemetry_ap ... *)
let class_name =
try
let name = "telemetry_ap" in
let _ = begin try ExtXml.child protocol ~select:(fun x -> Xml.attrib x "name" = name) "msg_class"
with Not_found -> ExtXml.child protocol ~select:(fun x -> Xml.attrib x "name" = name) "class"
end in
name
with _ -> "telemetry" in
Debug.call 'p' (fun f -> fprintf f "class_name: %s\n" class_name);
let module M = struct let name = class_name let xml = protocol end in
let module P = PprzLink.MessagesOfXml(M) in
let f =
try
Ocaml_tools.find_file [Filename.dirname xml_file] data_file
with
Not_found ->
fprintf stderr "File '%s' not found\n%!" data_file;
let data_file = Filename.chop_extension (Filename.basename xml_file) ^ ".data" in
fprintf stderr "Trying with '%s'\n%!" data_file;
try
Ocaml_tools.find_file [Filename.dirname xml_file] data_file
with Not_found ->
fprintf stderr "File '%s' not found\n%!" data_file;
failwith "Data file not found" in
let f = Ocaml_tools.open_compress f in
let acs = Hashtbl.create 3 in (* indexed by A/C *)
try
while true do
let l = input_line f in
try
Scanf.sscanf l "%f %s %[^\n]"
(fun t ac m ->
if not (Hashtbl.mem acs ac) then
Hashtbl.add acs ac (Hashtbl.create 97, ref []);
let msgs, raw_msgs = Hashtbl.find acs ac in
(*Elements of [acs] are assoc lists of [fields] indexed by msg id*)
let msg_id, vs = P.values_of_string m in
if not (Hashtbl.mem msgs msg_id) then
Hashtbl.add msgs msg_id (Hashtbl.create 97);
let fields = Hashtbl.find msgs msg_id in
(* Elements of [fields] are values indexed by field name *)
List.iter
(fun (f, value) ->
match value with
PprzLink.Array array ->
Array.iteri
(fun i scalar ->
let f = sprintf "%s[%d]" f i in
Hashtbl.add fields f (t, scalar))
array
| scalar ->
Hashtbl.add fields f (t, scalar))
vs;
let msg_name = (P.message_of_id msg_id).PprzLink.name in
raw_msgs := (t, msg_name, vs) :: !raw_msgs
)
with
exc ->
if !verbose then
prerr_endline (Printexc.to_string exc)
done
with
End_of_file ->
close_in f;
(* Compile the data to ease the menu building *)
Hashtbl.iter (* For all A/Cs *)
(fun ac (msgs, raw_msgs) ->
let raw_msgs = List.rev !raw_msgs in
let menu_name = sprintf "%s:%s" (Filename.chop_extension (Filename.basename xml_file)) ac in
(* First sort by message id *)
let l = ref [] in
Hashtbl.iter (fun msg fields -> l := (P.message_of_id msg, fields):: !l) msgs;
let msgs = List.sort (fun (a,_) (b,_) -> compare a b) !l in
let msgs =
List.map (fun (msg, fields) ->
let l = ref [] in
Hashtbl.iter
(fun f v -> if not (List.mem f !l) then l := f :: !l)
fields;
let sorted_fields = List.sort compare !l in
let field_values_assoc =
List.map
(fun f ->
let values = Hashtbl.find_all fields f in
let values = List.map (fun (t, v) -> (t, pprz_float v)) values in
let values = Array.of_list values in
Array.sort compare values;
(f, values))
sorted_fields in
(msg, field_values_assoc))
msgs in
(* Store data for other windows *)
logs_menus := !logs_menus @ [(ac, menu_name, (msgs, raw_msgs), protocol)];
add_ac_submenu ?export protocol ?factor plot menubar curves_fact ac menu_name msgs raw_msgs;
)
acs
let open_log = fun ?factor plot menubar curves_fact () ->
ignore (Log_file.chooser ~callback:(fun name -> load_log ?factor plot menubar curves_fact name) ())
let screenshot = fun frame ->
let width, height = Gdk.Drawable.get_size frame#misc#window in
let dest = GdkPixbuf.create ~width ~height () in
GdkPixbuf.get_from_drawable ~dest ~width ~height frame#misc#window;
save_dialog
"png"
(fun name -> GdkPixbuf.save ~filename:name ~typ:"png" dest)
(** Table of current windows, to be able to quit when the last one is closed
FIXME: should be shared with plotter.ml *)
let windows = Hashtbl.create 3
(*****************************************************************************)
let rec plot_window = fun ?export init ->
let plotter = GWindow.window ~allow_shrink:true ~title:"Log Plotter" () in
(* Register the window *)
let oid = plotter#get_oid in
Hashtbl.add windows oid ();
plotter#set_icon (Some (GdkPixbuf.from_file Env.icon_log_file));
let vbox = GPack.vbox ~packing:plotter#add () in
let quit = fun () -> GMain.Main.quit (); exit 0 in
let close = fun () ->
plotter#destroy ();
Hashtbl.remove windows oid;
if Hashtbl.length windows = 0 then
quit () in
let tooltips = GData.tooltips () in
let menubar = GMenu.menu_bar ~packing:vbox#pack () in
let factory = new GMenu.factory menubar in
let accel_group = factory#accel_group in
let file_menu = factory#add_submenu "File" in
let file_menu_fact = new GMenu.factory file_menu ~accel_group in
let width = 900 and height = 200 in
let h = GPack.hbox ~packing:vbox#pack () in
let plot = new plot ~width ~height ~packing:(vbox#pack ~expand:true) () in
let open_log_item = file_menu_fact#add_item "Open Log" ~key:GdkKeysyms._O in
ignore (file_menu_fact#add_item "New" ~key:GdkKeysyms._N ~callback:(fun () -> plot_window []));
let delayed_screenshot = fun () ->
ignore (GMain.Idle.add (fun () -> screenshot plot#drawing_area; false)) in
ignore (file_menu_fact#add_item "Save screenshot" ~key:GdkKeysyms._S ~callback:delayed_screenshot);
let delayed_export = fun () ->
ignore (GMain.Idle.add (fun () -> (try plot#export_fig () with exc -> prerr_endline (Printexc.to_string exc)); false)) in
ignore (file_menu_fact#add_item "Export fig" ~key:GdkKeysyms._X ~callback:delayed_export);
ignore (file_menu_fact#add_separator ());
ignore (file_menu_fact#add_item "Close" ~key:GdkKeysyms._W ~callback:close);
ignore (file_menu_fact#add_item "Quit" ~key:GdkKeysyms._Q ~callback:quit);
let curves_menu = factory#add_submenu "Curves" in
let curves_menu_fact = new GMenu.factory curves_menu in
tooltips#set_tip curves_menu#coerce ~text:"Delete";
ignore (plotter#connect#destroy ~callback:close);
(* Auto Scale *)
let auto_scale = GButton.check_button ~label:"Auto Scale" ~active:true ~packing:h#pack () in
ignore (auto_scale#connect#toggled ~callback:(fun () -> plot#set_auto_scale auto_scale#active));
let bounds = [
("Tmin", plot#min_x, plot#set_min_x);
("Tmax", plot#max_x, plot#set_max_x);
("Ymin", plot#min_y, plot#set_min_y);
("Ymax", plot#max_y, plot#set_max_y)] in
let entries =
List.map (fun (label, value, action) ->
let _, entry= labelled_entry ~width_chars:8 label "" h in
plot#scale_event (fun () -> entry#set_text (string_of_float (value ())));
ignore (entry#connect#activate ~callback:(fun () -> action (float_of_string entry#text)));
entry)
bounds in
let active_min_maxs = fun () ->
let b = not auto_scale#active in
List.iter (fun entry -> entry#misc#set_sensitive b) entries in
ignore (auto_scale#connect#toggled ~callback:active_min_maxs);
active_min_maxs ();
(* Constants *)
let _, cst = labelled_entry ~width_chars:5 "Constant:" "" h in
let add_cst = fun s ->
let v = float_of_string s in
plot#add_cst v;
let eb = GBin.event_box ~width:10 ~height:10 () in
eb#coerce#misc#modify_bg [`NORMAL, `NAME "black"];
let item = curves_menu_fact#add_image_item ~image:eb#coerce ~label:s () in
let delete = fun () ->
plot#delete_cst v;
curves_menu#remove (item :> GMenu.menu_item) in
ignore (item#connect#activate ~callback:delete);
in
ignore (cst#connect#activate ~callback:(fun () ->add_cst cst#text));
tooltips#set_tip cst#coerce ~text:"Enter value for a constant curve";
(* Factor *)
let factor_label, factor = labelled_entry ~width_chars:5 "Scale next by" "1+0" h in
tooltips#set_tip factor#coerce ~text:"Scale next curve (e.g. 0.0174 to convert deg in rad, 57.3 to convert rad in deg, 1.8+32 to convert Celsius into Fahrenheit)";
List.iter
(fun (ac, menu_name, (msgs, raw_msgs), protocol) ->
add_ac_submenu protocol ~factor:(factor:>text_value) plot factory curves_menu_fact ac menu_name msgs raw_msgs)
!logs_menus;
ignore(open_log_item#connect#activate ~callback:(fun () -> let factor = (factor:>text_value) in open_log ~factor plot factory curves_menu_fact ()));
List.iter (fun f -> load_log ?export ~factor:(factor:>text_value) plot factory curves_menu_fact f) init;
plotter#add_accel_group accel_group;
plotter#show ()
(***************************** Main ****************************************)
let () =
let logs = ref []
and export = ref false in
Arg.parse
[ ("-export_csv", Arg.Set export, "Export in CSV in batch mode according to saved preferences (conf/%gconf.xml)");
("-v", Arg.Set verbose, "Verbose")]
(fun x -> logs := x :: !logs)
"Usage: logplotter <log files>";
plot_window ~export: !export !logs;
if not !export then
let loop = Glib.Main.create true in
while Glib.Main.is_running loop do
ignore (Glib.Main.iteration true)
done