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-rw-r--r--digital/beacon/triangle_robot/doc/triangle.plot80
-rw-r--r--digital/beacon/triangle_robot/doc/triangle.py186
-rw-r--r--digital/beacon/triangle_robot/doc/triangle_drawing.svg877
3 files changed, 0 insertions, 1143 deletions
diff --git a/digital/beacon/triangle_robot/doc/triangle.plot b/digital/beacon/triangle_robot/doc/triangle.plot
deleted file mode 100644
index 8a104b9b..00000000
--- a/digital/beacon/triangle_robot/doc/triangle.plot
+++ /dev/null
@@ -1,80 +0,0 @@
-set angles degrees
-set xrange [0:3000]
-set yrange [0:2100]
-dist (x0, y0, x1, y1) = sqrt ((x0 - x1) ** 2 + (y0 - y1) ** 2)
-dot (x0, y0, x1, y1) = x0 * x1 + y0 * y1
-anglea (x, y, x0, y0, x1, y1) = acos (dot (x0 - x, y0 - y, x1 - x, y1 - y) / (dist (x, y, x0, y0) * dist (x, y, x1, y1)))
-angle (x, y, x0, y0, x1, y1) = ((x0 - x) * (y1 - y) - (x1 - x) * (y0 - y) > 0 ? anglea (x, y, x0, y0, x1, y1) : 360 - anglea (x, y, x0, y0, x1, y1))
-angle_b12 (x, y) = angle (x, y, 3000, 0, 3000, 2100)
-angle_b23 (x, y) = angle (x, y, 3000, 0, 0, 1050)
-angle_b31 (x, y) = angle (x, y, 3000, 2100, 0, 1050)
-
-t1 = angle (3000, 0, 3000, 2100, 0, 1050)
-t2 = angle (3000, 2100, 0, 1050, 3000, 0)
-t3 = angle (0, 1050, 3000, 0, 3000, 2100)
-b1 = dist (3000, 0, 3000, 2100)
-b2 = dist (3000, 2100, 0, 1050)
-b3 = dist (0, 1050, 3000, 0)
-
-solve_angle (a1, a3) = atan ((-b1 + b3 * sin (a3 + t2) / sin (a3)) / (b1 * cos (a1) / sin (a1) + b3 * cos (a3 + t1) / sin (a3)))
-
-set isosamples 50
-set contour
-set cntrparam levels incremental 0, 10, 360
-
-set term png
-set output 'triangle_surf12.png'
-splot angle_b12 (x, y)
-set output 'triangle_surf23.png'
-splot angle_b23 (x, y)
-set output 'triangle_surf31.png'
-splot angle_b31 (x, y)
-
-set contour
-set cntrparam levels incremental 0, 1, 360
-unset surface
-set view map
-unset clabel
-
-set output 'triangle_contour12.png'
-splot angle_b12 (x, y)
-set output 'triangle_contour23.png'
-splot angle_b23 (x, y)
-set output 'triangle_contour31.png'
-splot angle_b31 (x, y)
-set output 'triangle_contour123.png'
-splot angle_b12 (x, y), angle_b23 (x, y), angle_b31 (x, y)
-set cntrparam levels incremental 0, 3, 360
-set output 'triangle_contour123-3deg.png'
-splot angle_b12 (x, y), angle_b23 (x, y), angle_b31 (x, y)
-set cntrparam levels incremental 0, 1, 360
-
-set size square
-set xrange [0:100]
-set yrange [0:100]
-set output 'triangle_zoom+0+0.png'
-splot angle_b12 (x, y), angle_b23 (x, y), angle_b31 (x, y)
-set xrange [0:100]
-set yrange [1000:1100]
-set output 'triangle_zoom+0+1050.png'
-splot angle_b12 (x, y), angle_b23 (x, y), angle_b31 (x, y)
-set xrange [2900:3000]
-set yrange [2000:2100]
-set output 'triangle_zoom+3000+2100.png'
-splot angle_b12 (x, y), angle_b23 (x, y), angle_b31 (x, y)
-set xrange [1450:1550]
-set yrange [1000:1100]
-set output 'triangle_zoom+1500+1050.png'
-splot angle_b12 (x, y), angle_b23 (x, y), angle_b31 (x, y)
-
-reset
-set xrange [0:3000]
-set yrange [0:2100]
-set isosamples 50
-set angles degrees
-set contour
-set cntrparam levels incremental 0, 5, 360
-
-set term png
-set output 'triangle_solve_angle.png'
-splot solve_angle (angle_b12 (x, y), angle_b31 (x, y))
diff --git a/digital/beacon/triangle_robot/doc/triangle.py b/digital/beacon/triangle_robot/doc/triangle.py
deleted file mode 100644
index 0471a417..00000000
--- a/digital/beacon/triangle_robot/doc/triangle.py
+++ /dev/null
@@ -1,186 +0,0 @@
-# Triangle - Triangulation beacon system study. {{{
-#
-# Copyright (C) 2009 Nicolas Schodet
-#
-# APBTeam:
-# Web: http://apbteam.org/
-# Email: team AT apbteam DOT org
-#
-# This program 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 of the License, or
-# (at your option) any later version.
-#
-# This program 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 this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-# }}}
-from math import *
-from numpy import *
-import Gnuplot, Gnuplot.funcutils
-
-B1 = array ([3000, 0])
-B2 = array ([3000, 2100])
-B3 = array ([0, 2100 / 2])
-
-def norm (v):
- """Compute vector norm."""
- return sqrt (sum (v ** 2))
-
-def rotate (v):
- """Rotate a vector by pi/2."""
- return array ([-v[1], v[0]])
-
-def angle (o, a, b):
- """Compute angle (v_oa, v_ob)."""
- v_oa = a - o
- v_ob = b - o
- # Use dot product to compute angle.
- angle = acos (dot (v_oa, v_ob) / (norm (v_oa) * norm (v_ob)))
- # Use cross product to determine angle sign.
- if v_oa[0] * v_ob[1] - v_ob[0] * v_oa[1] >= 0:
- return angle
- else:
- return 2 * pi - angle
-
-theta1 = angle (B1, B2, B3)
-theta2 = angle (B2, B3, B1)
-theta3 = angle (B3, B1, B2)
-b1 = norm (B1 - B2)
-b2 = norm (B2 - B3)
-b3 = norm (B3 - B1)
-
-def solve1 (alpha1, alpha2, alpha3):
- """Solve using beta1."""
- beta1 = atan (
- (-b1 + b3 * sin (alpha3 + theta2) / sin (alpha3))
- / (b1 * cos (alpha1) / sin (alpha1)
- + b3 * cos (alpha3 + theta1) / sin (alpha3))
- )
- a1 = sin (pi - beta1 - alpha1) * b1 / sin (alpha1)
- o = array ([B1[0] - sin (beta1) * a1, B1[1] + cos (beta1) * a1])
- return (o, beta1, a1)
-
-def solve2 (alpha1, alpha2, alpha3):
- """Solve using beta2 (rotation of solve1)."""
- beta2 = atan (
- (-b2 + b1 * sin (alpha1 + theta3) / sin (alpha1))
- / (b2 * cos (alpha2) / sin (alpha2)
- + b1 * cos (alpha1 + theta2) / sin (alpha1))
- )
- a2 = sin (pi - beta2 - alpha2) * b2 / sin (alpha2)
- o = array ([B2[0] - sin (theta2 - beta2) * a2, B2[1] - cos (theta2 - beta2) * a2])
- return (o, beta2, a2)
-
-def solve2m (alpha1, alpha2, alpha3):
- """Solve using gamma1 (mirror of solve1)."""
- gamma1 = atan (
- (-b1 + b2 * sin (alpha2 + theta1) / sin (alpha2))
- / (b1 * cos (alpha1) / sin (alpha1)
- + b2 * cos (alpha2 + theta2) / sin (alpha2))
- )
- a2 = sin (pi - gamma1 - alpha1) * b1 / sin (alpha1)
- o = array ([B2[0] - sin (gamma1) * a2, B2[1] - cos (gamma1) * a2])
- return (o, gamma1, a2)
-
-def solve3 (alpha1, alpha2, alpha3):
- """Solve using beta3 (rotation of solve1)."""
- beta3 = atan (
- (-b3 + b2 * sin (alpha2 + theta1) / sin (alpha2))
- / (b3 * cos (alpha3) / sin (alpha3)
- + b2 * cos (alpha2 + theta3) / sin (alpha2))
- )
- a3 = sin (pi - beta3 - alpha3) * b3 / sin (alpha3)
- o = array ([B3[0] - cos (beta3 - theta3 / 2) * a3, B3[1] + sin (beta3 - theta3 / 2) * a3])
- return (o, beta3, a3)
-
-def solve_cvra (alpha1, alpha2, alpha3):
- """Solve using CVRA method, slightly modified for simpler vector based
- computations."""
- # Find circle on which B1, B2 and o are located.
- v = (B2 - B1) / 2
- cc2 = B1 + v + rotate (v) / tan (alpha1)
- # Find circle on which B1, B3 and o are located.
- v = (B3 - B1) / 2
- cc1 = B1 + v - rotate (v) / tan (alpha3)
- # Find the circles intersection... knowing that B1 is a solution.
- v = cc2 - B1
- n = (cc1 - cc2) / norm (cc1 - cc2)
- o = B1 + (v + n * dot (-v, n)) * 2
- return (o, cc2[0], cc2[1], cc1[0], cc1[1])
-
-def trace (o, f, output, factor):
- """Trace f()[output] * factor for alphan corresponding to the point o."""
- # Compute angles.
- alpha1 = angle (o, B1, B2)
- alpha2 = angle (o, B2, B3)
- alpha3 = angle (o, B3, B1)
- # Return.
- return f (alpha1, alpha2, alpha3)[output] * factor
-
-def compute_prec (o, f, prec):
- """Return an aproximation of distance error with the given angle error."""
- # Compute angles.
- alpha1 = angle (o, B1, B2)
- alpha2 = angle (o, B2, B3)
- alpha3 = angle (o, B3, B1)
- # Evaluate error.
- e = 0
- for i in ((-1, -1, -1), (-1, -1, 1), (-1, 1, -1), (-1, 1, 1),
- (1, -1, -1), (1, -1, 1), (1, 1, -1), (1, 1, 1)):
- o2 = f (alpha1 + i[0] * prec, alpha2 + i[1] * prec, alpha3 + i[2] * prec)[0]
- e = max (norm (o - o2), e)
- return e
-
-if __name__ == '__main__':
- # Parameters.
- method = solve_cvra
- prec = 2 * pi / 2200
- plot = 'prec'
- style = '3d'
- hardcopy = None
- zrange = (0, 150)
- # Setup gnuplot.
- persist = False
- g = Gnuplot.Gnuplot (persist = persist)
- g ('set term x11')
- g ('set data style lines')
- if style == '3d':
- pass
- else:
- g ('set view map')
- g ('set nosurface')
- if style == 'map':
- g ('set pm3d')
- elif style == 'iso':
- g ('set contour')
- g.set_range ('xrange', (0,3000))
- g.set_range ('yrange', (0,2100))
- if zrange:
- g.set_range ('zrange', zrange)
- x = arange (25, 3000, 50)
- y = arange (25, 2100, 50)
- # Plot:
- if plot == 'angle':
- g ('set cntrparam levels incremental 0, 5, 360')
- g.splot (Gnuplot.funcutils.compute_GridData (x, y,
- lambda x, y: trace (array ([x, y]), method, 1, 180 / pi), binary=0))
- elif plot == 'prec':
- g ('set cntrparam levels discrete 5, 10, 20, 30, 40, 50, 100, 150, 200, 500')
- g ('set cbrange [0:100]')
- g.splot (Gnuplot.funcutils.compute_GridData (x, y,
- lambda x, y: compute_prec (array ([x, y]), method, prec), binary=0))
- else:
- g.splot (Gnuplot.funcutils.compute_GridData (x, y,
- lambda x, y: trace (array ([x, y]), method, plot, 1), binary=0))
- # Hardcopy:
- if hardcopy:
- g.hardcopy (filename = hardcopy, terminal = 'png')
- if not persist:
- raw_input ("Pause...")
diff --git a/digital/beacon/triangle_robot/doc/triangle_drawing.svg b/digital/beacon/triangle_robot/doc/triangle_drawing.svg
deleted file mode 100644
index 32ea9e5b..00000000
--- a/digital/beacon/triangle_robot/doc/triangle_drawing.svg
+++ /dev/null
@@ -1,877 +0,0 @@
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- xmlns:dc="http://purl.org/dc/elements/1.1/"
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- xmlns:svg="http://www.w3.org/2000/svg"
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- xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
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- sodipodi:version="0.32"
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- sodipodi:docname="triangle_drawing.svg"
- inkscape:output_extension="org.inkscape.output.svg.inkscape"
- inkscape:export-filename="/home/nico/robot/beacon_triangulation.png"
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