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X axis labels correct

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simondlevy
2016-08-23 15:29:53 -04:00
parent a7d843733f
commit cd60eb2b87
1 changed files with 13 additions and 8 deletions
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21
examples/pltslamshow.py
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@@ -1,7 +1,7 @@
''' '''
pltslamshow.py - Pyplot classes for displaying maps and robots in SLAM projects pltslamshow.py - Pyplot classes for displaying maps and robots in SLAM projects
Copyright (C) 2016 Simon D. Levy and Matt Lubas Copyright (C) 2016 Simon D. Levy, Matt Lubas, and Alfredo Rwagaju
This code is free software: you can redistribute it and/or modify This code is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as it under the terms of the GNU Lesser General Public License as
@@ -69,7 +69,7 @@ class SlamShow(object):
# Store Python ID of figure to detect window close # Store Python ID of figure to detect window close
self.figid = id(fig) self.figid = id(fig)
fig.canvas.set_window_title('SLAM 2D') fig.canvas.set_window_title('SLAM')
self.ax = fig.gca() self.ax = fig.gca()
self.ax.set_aspect("auto") self.ax.set_aspect("auto")
@@ -77,20 +77,25 @@ class SlamShow(object):
map_size_mm = map_scale_mm_per_pixel * map_size_pixels map_size_mm = map_scale_mm_per_pixel * map_size_pixels
# Use an "artist" to speed up map drawing
self.img_artist = None self.img_artist = None
#self.ax.set_xlim([0, map_size_mm]) # We base the axis on pixels, to support displaying the map
#self.ax.set_ylim([0, map_size_mm])
self.ax.set_xlim([0, map_size_pixels]) self.ax.set_xlim([0, map_size_pixels])
self.ax.set_ylim([0, map_size_pixels]) self.ax.set_ylim([0, map_size_pixels])
#self.ax.set_xlabel('X (mm)') # Hence we must relabel the axis ticks to show millimeters
#self.ax.set_ylabel('Y (mm)') ticks = np.arange(0,self.map_size_pixels+100,100)
labels = [str(map_scale_mm_per_pixel * tick) for tick in ticks]
self.ax.xaxis.set_ticks(ticks)
self.ax.set_xticklabels(labels)
self.ax.set_xlabel('X (mm)')
self.ax.set_ylabel('Y (mm)')
self.ax.grid(False) self.ax.grid(False)
# Start vehicle at Center # Start vehicle at center
map_center_mm = map_scale_mm_per_pixel * map_size_pixels map_center_mm = map_scale_mm_per_pixel * map_size_pixels
self._add_vehicle(map_center_mm,map_center_mm,0) self._add_vehicle(map_center_mm,map_center_mm,0)