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############################################################################
#
# File: plotter.icn
#
# Subject: Program to display planes of 3-space coordinates
#
# Author: Ralph E. Griswold
#
# Date: July 22, 1997
#
############################################################################
#
# This file is in the public domain.
#
############################################################################
#
# This program plots planes for coordinates in 3-space.
#
############################################################################
#
# Requires: Version 9 graphics
#
############################################################################
#
# Links: interact, io, ptutils, vsetup
#
############################################################################
link interact
link io
link ptutils
link vsetup
global coords
global h_off
global half
global size
global pane
global plane
global root
global scale
global size
global v_off
global vidgets
procedure main()
vidgets := ui()
root := vidgets["root"]
VSetItems(vidgets["coords"], filelist("*.crd"))
VSetState(vidgets["plane"], "xy")
size := vidgets["pane"].uw
half := size / 2
pane := Clone("bg=white", "dx=" || (vidgets["pane"].ux + half),
"dy=" || (vidgets["pane"].uy + half))
Clip(pane, -half, -half, size, size)
EraseArea(pane, -half, -half, size, size)
scale := 10
h_off := 0
v_off := 0
GetEvents(root, , shortcuts)
end
procedure offset_cb()
repeat {
if TextDialog("Set offset:", ["horizontal", "vertical"],
[h_off, v_off], 5) == "Cancel" then fail
if h_off <- integer(dialog_value[1]) &
v_off <- integer(dialog_value[2]) then break
else {
Notice("Nonnumeric offset value.")
next
}
}
return
end
procedure scale_cb()
repeat {
if TextDialog("Set scale:", , scale, 5) == "Cancel" then fail
if scale := integer(dialog_value[1]) then break
else {
Notice("Nonnumeric scale value.")
next
}
}
return
end
procedure file_cb(vidgets, value)
case value[1] of {
"clear @C": clear_cb()
"plot @P": plot_cb()
"quit @Q": exit()
"snapshot @S": snapshot(pane, -half, -half, size, size)
}
return
end
procedure coord_cb(vidget, value)
local input
input := open(value) | {
Notice("Cannot open " || image(value) || ".")
fail
}
coords := []
every put(coords, coord2pt(!input))
close(input)
return
end
procedure plot_cb()
local p
every p := !coords do {
case plane of {
"xy": DrawPoint(pane, scale * p.x + h_off, scale * p.y + v_off)
"yz": DrawPoint(pane, scale * p.y + h_off, scale * p.z + v_off)
"xz": DrawPoint(pane, scale * p.x + h_off, scale * p.z + v_off)
}
}
end
procedure plane_cb(vidget, value)
plane := value
return
end
procedure clear_cb()
EraseArea(pane, -half, -half, size, size)
return
end
procedure shortcuts(e)
if &meta then case map(e) of { # fold case
"c": clear_cb()
"p": plot_cb()
"q": exit()
"s": snapshot(pane, -half, -half, size, size)
}
return
end
#===<<vib:begin>>=== modify using vib; do not remove this marker line
procedure ui_atts()
return ["size=633,459", "bg=gray-white"]
end
procedure ui(win, cbk)
return vsetup(win, cbk,
[":Sizer:::0,0,633,459:",],
["clear:Button:regular::82,101,50,20:clear",clear_cb],
["coords:List:w::13,198,190,244:",coord_cb],
["file:Menu:pull::28,5,36,21:File",file_cb,
["clear @C","plot @P","snapshot @S","quit @Q"]],
["label1:Label:::28,45,35,13:plane",],
["label2:Label:::50,174,105,13:coordinate file",],
["line1:Line:::0,30,640,30:",],
["offset:Button:regular::143,72,50,20:offset",offset_cb],
["plane:Choice::3:25,68,43,63:",plane_cb,
["xy","xz","yz"]],
["plot:Button:regular::81,71,50,20:plot",plot_cb],
["scale:Button:regular::144,101,50,20:scale",scale_cb],
["pane:Rect:grooved::220,43,400,400:",],
)
end
#===<<vib:end>>=== end of section maintained by vib
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