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226 lines
6.8 KiB
Lua
226 lines
6.8 KiB
Lua
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--[[ $Id: x31.lua 9533 2009-02-16 22:18:37Z smekal $
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Copyright (C) 2008 Werner Smekal
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set/get tester
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This file is part of PLplot.
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PLplot is free software you can redistribute it and/or modify
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it under the terms of the GNU General Library Public License as published
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by the Free Software Foundation either version 2 of the License, or
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(at your option) any later version.
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PLplot is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with PLplot if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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--]]
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-- initialise Lua bindings for PLplot examples.
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dofile("plplot_examples.lua")
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r1 = { 0, 255 }
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g1 = { 255, 0 }
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b1 = { 0, 0 }
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a1 = { 1, 1 }
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-- Parse and process command line arguments
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status = 0
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pl.parseopts(arg, pl.PL_PARSE_FULL)
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-- Test setting / getting familying parameters before plinit
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-- Save values set by plparseopts to be restored later.
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fam0, num0, bmax0 = pl.gfam()
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fam1 = 0
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num1 = 10
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bmax1 = 1000
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pl.sfam(fam1, num1, bmax1)
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-- Retrieve the same values?
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fam2, num2, bmax2 = pl.gfam()
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print(string.format("family parameters: fam, num, bmax = %d %d %d", fam2, num2, bmax2))
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if fam2~=fam1 or num2~=num1 or bmax2~=bmax1 then
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io.stderr:write("plgfam test failed\n")
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status = 1
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end
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-- Restore values set initially by plparseopts.
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pl.sfam(fam0, num0, bmax0)
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-- Test setting / getting page parameters before plinit
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-- Save values set by plparseopts to be restored later.
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xp0, yp0, xleng0, yleng0, xoff0, yoff0 = pl.gpage()
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xp1 = 200.
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yp1 = 200.
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xleng1 = 400
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yleng1 = 200
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xoff1 = 10
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yoff1 = 20
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pl.spage(xp1, yp1, xleng1, yleng1, xoff1, yoff1)
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-- Retrieve the same values?
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xp2, yp2, xleng2, yleng2, xoff2, yoff2 = pl.gpage()
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print(string.format("page parameters: xp, yp, xleng, yleng, xoff, yoff = %f %f %d %d %d %d", xp2, yp2, xleng2, yleng2, xoff2, yoff2))
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if xp2~=xp1 or yp2~=yp1 or xleng2~=xleng1 or yleng2~=yleng1 or xoff2~=xoff1 or yoff2~=yoff1 then
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io.stderr:write("plgpage test failed\n")
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status = 1
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end
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-- Restore values set initially by plparseopts.
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pl.spage(xp0, yp0, xleng0, yleng0, xoff0, yoff0)
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-- Test setting / getting compression parameter across plinit.
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compression1 = 95
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pl.scompression(compression1)
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-- Initialize plplot
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pl.init()
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-- Test if device initialization screwed around with the preset
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-- compression parameter.
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compression2 = pl.gcompression()
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print("Output various PLplot parameters")
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print("compression parameter = " .. compression2)
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if compression2~=compression1 then
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io.stderr:write("plgcompression test failed\n")
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status = 1
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end
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-- Exercise plscolor, plscol0, plscmap1, and plscmap1a to make sure
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--they work without any obvious error messages.
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pl.scolor(1)
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pl.scol0(1, 255, 0, 0)
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pl.scmap1(r1, g1, b1)
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pl.scmap1a(r1, g1, b1, a1)
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level2 = pl.glevel()
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print("level parameter = " .. level2)
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if level2~=1 then
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io.stderr:write("plglevel test failed.\n")
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status = 1
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end
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pl.adv(0)
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pl.vpor(0.01, 0.99, 0.02, 0.49)
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xmin, xmax, ymin, ymax = pl.gvpd()
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print(string.format("plvpor: xmin, xmax, ymin, ymax = %f %f %f %f", xmin, xmax, ymin, ymax))
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if xmin~=0.01 or xmax~=0.99 or ymin~=0.02 or ymax~=0.49 then
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io.stderr:write("plgvpd test failed\n")
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status = 1
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end
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xmid = 0.5*(xmin+xmax)
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ymid = 0.5*(ymin+ymax)
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pl.wind(0.2, 0.3, 0.4, 0.5)
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xmin, xmax, ymin, ymax = pl.gvpw()
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print(string.format("plwind: xmin, xmax, ymin, ymax = %f %f %f %f", xmin, xmax, ymin, ymax))
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if xmin~=0.2 or xmax~=0.3 or ymin~=0.4 or ymax~=0.5 then
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io.stderr:write("plgvpw test failed\n")
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status = 1
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end
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-- Get world coordinates for middle of viewport
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wx, wy, win = pl.calc_world(xmid,ymid)
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print(string.format("world parameters: wx, wy, win = %f %f %d", wx, wy, win))
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if math.abs(wx-0.5*(xmin+xmax))>1.0e-5 or math.abs(wy-0.5*(ymin+ymax))>1.0e-5 then
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io.stderr:write("plcalc_world test failed\n")
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status = 1
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end
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-- Retrieve and print the name of the output file (if any).
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-- This goes to stderr not stdout since it will vary between tests and
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-- we want stdout to be identical for compare test.
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fnam = pl.gfnam()
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if fnam=="" then
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print("No output file name is set")
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else
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print("Output file name read")
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end
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io.stderr:write(string.format("Output file name is %s\n",fnam))
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-- Set and get the number of digits used to display axis labels
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-- Note digits is currently ignored in pls[xyz]ax and
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-- therefore it does not make sense to test the returned
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-- value
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pl.sxax(3,0)
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digmax, digits = pl.gxax()
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print(string.format("x axis parameters: digmax, digits = %d %d", digmax, digits))
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if digmax~=3 then
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io.stderr:write("plgxax test failed\n")
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status = 1
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end
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pl.syax(4,0)
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digmax, digits = pl.gyax()
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print(string.format("y axis parameters: digmax, digits = %d %d", digmax, digits))
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if digmax~=4 then
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io.stderr:write("plgyax test failed\n")
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status = 1
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end
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pl.szax(5,0)
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digmax,digits = pl.gzax()
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print(string.format("z axis parameters: digmax, digits = %d %d", digmax, digits))
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if digmax~=5 then
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io.stderr:write("plgzax test failed\n")
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status = 1
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end
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pl.sdidev(0.05, pl.PL_NOTSET, 0.1, 0.2)
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mar, aspect, jx, jy = pl.gdidev()
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print(string.format("device-space window parameters: mar, aspect, jx, jy = %f %f %f %f" , mar, aspect, jx, jy))
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if mar~=0.05 or jx~=0.1 or jy~=0.2 then
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io.stderr:write("plgdidev test failed\n")
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status = 1
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end
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pl.sdiori(1.0)
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ori = pl.gdiori()
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print(string.format("ori parameter = %f", ori))
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if ori~=1.0 then
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io.stderr:write("plgdiori test failed\n")
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status = 1
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end
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pl.sdiplt(0.1, 0.2, 0.9, 0.8)
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xmin, ymin, xmax, ymax = pl.gdiplt()
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print(string.format("plot-space window parameters: xmin, ymin, xmax, ymax = %f %f %f %f", xmin, ymin, xmax, ymax))
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if xmin~=0.1 or xmax~=0.9 or ymin~=0.2 or ymax~=0.8 then
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io.stderr:write("plgdiplt test failed\n")
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status = 1
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end
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pl.sdiplz(0.1, 0.1, 0.9, 0.9)
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zxmin, zymin, zxmax, zymax = pl.gdiplt()
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print(string.format("zoomed plot-space window parameters: xmin, ymin, xmax, ymax = %f %f %f %f", zxmin, zymin, zxmax, zymax))
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if math.abs(zxmin -(xmin + (xmax-xmin)*0.1)) > 1.0e-5 or
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math.abs(zxmax -(xmin+(xmax-xmin)*0.9)) > 1.0e-5 or
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math.abs(zymin -(ymin+(ymax-ymin)*0.1)) > 1.0e-5 or
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math.abs(zymax -(ymin+(ymax-ymin)*0.9)) > 1.0e-5 then
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io.stderr:write("plsdiplz test failed\n")
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status = 1
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end
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pl.scolbg(10, 20, 30)
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r, g, b = pl.gcolbg()
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print(string.format("background colour parameters: r, g, b = %d %d %d", r, g, b))
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if r~=10 or g~=20 or b~=30 then
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io.stderr:write("plgcolbg test failed\n")
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status = 1
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end
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pl.scolbga(20, 30, 40, 0.5)
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r, g, b, a = pl.gcolbga()
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print(string.format("background/transparency colour parameters: r, g, b, a = %d %d %d %f", r, g, b, a))
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if r~=20 or g~=30 or b~=40 or a~=0.5 then
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io.stderr:write("plgcolbga test failed\n")
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status = 1
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end
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pl.plend()
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