automap: allow croping of output, reduce number of ticks

src/plot/automap.py

@@ -199,7 +199,7 @@ class Map(Object):
         self._gmtversion = gmtversion
 
     def save(self, outpath, resolution=75., oversample=2., size=None,
-             width=None, height=None, psconvert=False):
+             width=None, height=None, psconvert=False, crop_eps_mode=False):
 
         '''
         Save the image.
@@ -226,6 +226,7 @@ class Map(Object):
             self._draw_topo_scale()
 
         gmt.save(outpath, resolution=resolution, oversample=oversample,
+                 crop_eps_mode=crop_eps_mode,
                  size=size, width=width, height=height, psconvert=psconvert)
 
     @property
@@ -308,8 +309,8 @@ class Map(Object):
 
         x, y, z = ((west, east), (south, north), (-6000., 4500.))
 
-        xax = gmtpy.Ax(mode='min-max', approx_ticks=4.)
-        yax = gmtpy.Ax(mode='min-max', approx_ticks=4.)
+        xax = gmtpy.Ax(mode='min-max', approx_ticks=3.)
+        yax = gmtpy.Ax(mode='min-max', approx_ticks=3.)
         zax = gmtpy.Ax(mode='min-max', inc=1000., label='Height',
                        scaled_unit='km', scaled_unit_factor=0.001)
 

src/plot/gmtpy.py

@@ -3727,7 +3727,7 @@ class GMT(object):
 
         if self.is_gmt5():
             if crop_eps_mode:
-                addarg = ['-A0']
+                addarg = ['-A']
             else:
                 addarg = []
 
@@ -3752,7 +3752,7 @@ class GMT(object):
         elif filename.endswith('.pdf'):
             if psconvert:
                 gmt_bin = pjoin(self.installation['bin'], 'gmt')
-                subprocess.call([gmt_bin, 'psconvert', tempfn, '-Tf',
+                subprocess.call([gmt_bin, 'psconvert', tempfn + '.eps', '-Tf',
                                  '-F' + filename])
             else:
                 subprocess.call(['gmtpy-epstopdf', '--res=%i' % resolution,