worked on GFX

tex/gfx/walk.eps

@@ -1,7 +1,7 @@
 %!PS-Adobe-2.0 EPSF-2.0
 %%Title: walk.tex
 %%Creator: gnuplot 5.2 patchlevel 2
-%%CreationDate: Tue Feb 20 13:12:23 2018
+%%CreationDate: Mon Feb 26 10:04:37 2018
 %%DocumentFonts: 
 %%BoundingBox: 50 50 302 194
 %%EndComments
@@ -441,7 +441,7 @@ SDict begin [
   /Creator (gnuplot 5.2 patchlevel 2)
 %  /Producer (gnuplot)
 %  /Keywords ()
-  /CreationDate (Tue Feb 20 13:12:23 2018)
+  /CreationDate (Mon Feb 26 10:04:37 2018)
   /DOCINFO pdfmark
 end
 } ifelse
@@ -9964,10 +9964,10 @@ stroke
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+0.20 0.40 0.64 C 3971 1185 M
 3 1 V
 -30 -5 V
 -210 -7 V
@@ -10005,10 +10005,10 @@ stroke
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+4.000 UL
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 LCb setrgbcolor
-0.00 1.00 0.00 C 4050 1156 M
+0.99 0.69 0.24 C 4050 1156 M
 -252 81 V
 362 -143 V
 -509 216 V
@@ -10108,16 +10108,16 @@ stroke
 LTw
 % End plot #11
 % Begin plot #12
-3.000 UL
+4.000 UL
 LTb
 LCb setrgbcolor
-0.00 0.00 1.00 C LTw
+0.20 0.40 0.64 C LTw
 % End plot #12
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+4.000 UL
 LTb
 LCb setrgbcolor
-0.00 1.00 0.00 C LTw
+0.99 0.69 0.24 C LTw
 % End plot #13
 % Begin plot #14
 1.500 UP