New format of analysis file.

robots/vmcd/analysis_w_plot.awk

+#! /usr/bin/awk -f
+# analysis_w_plot.awk - Make gnuplot data files from dump_analyzer output.
+# 
+# std input : an analysis_camera* file.
+# Option vars, set with -v var=arg:
+#  -v file=base. - Base name of output files, null string by default.
+#  -v mag=10 - Magnification factor on error line length, 1 by default.
+# 
+# output: file.grid_points - The section title world coordinates.
+#         file.error_lines - Lines from the grid points to mean_wx, mean_wy.
+#
+# gnuplot commands:
+#     plot "grid_points" with points
+#     plot "grid_points" with points ps 2, "error_lines" with lines lw 3
+
+BEGIN { pfile = file "grid_points"
+	efile = file "error_lines"
+	if ( !mag ) mag=1; print mag
+}
+
+/^section /{ gsub("[(,)]","")
+	     x=$2; y=$3; 
+	     print x, y > pfile
+	     next
+}
+/^  mean_wx /{ mx=x+($3-x)*mag
+	       next
+}
+/^  mean_wy /{ my=y+($3-y)*mag
+	       printf "%f %f\n%f %f\n\n", x, y, mx, my > efile
+	       next
+}