Use Box in examples and tests

Author: seisman

examples/gallery/embellishments/inset.py

@@ -10,6 +10,7 @@
 
 # %%
 import pygmt
+from pygmt.params import Box
 
 fig = pygmt.Figure()
 # Create the primary figure, setting the region to Madagascar, the land color
@@ -19,7 +20,7 @@
 # Create an inset, placing it in the Top Left (TL) corner with a width of 3.5 cm and
 # x- and y-offsets of 0.2 cm. The margin is set to 0, and the border is "gold" with a
 # pen size of 1.5 points.
-with fig.inset(position="jTL+w3.5c+o0.2c", margin=0, box="+p1.5p,gold"):
+with fig.inset(position="jTL+w3.5c+o0.2c", margin=0, box=Box(pen="1.5p,gold")):
     # Create a figure in the inset using coast. This example uses the azimuthal
     # orthogonal projection centered at 47E, 20S. The land color is set to
     # "gray" and Madagascar is highlighted in "red3".

examples/gallery/embellishments/inset_rectangle_region.py

@@ -10,6 +10,7 @@
 
 # %%
 import pygmt
+from pygmt.params import Box
 
 # Set the region of the main figure
 region = [137.5, 141, 34, 37]
@@ -34,7 +35,7 @@
 # a pen of "1p".
 with fig.inset(
     position="jBR+o0.1c",
-    box="+gwhite+p1p",
+    box=Box(fill="white", pen="1p"),
     region=[129, 146, 30, 46],
     projection="U54S/3c",
 ):

examples/gallery/embellishments/scalebar.py

@@ -44,6 +44,7 @@
 
 # %%
 import pygmt
+from pygmt.params import Box
 
 # Create a new Figure instance
 fig = pygmt.Figure()
@@ -105,7 +106,7 @@
     # Fill the box in white with a transparency of 30 percent, add a solid
     # outline in darkgray (gray30) with a thickness of 0.5 points, and use
     # rounded edges with a radius of 3 points
-    box="+gwhite@30+p0.5p,gray30,solid+r3p",
+    box=Box(fill="white@30", pen="0.5p,gray30,solid", radius="3p"),
 )
 
 fig.show()

examples/tutorials/advanced/legends.py

@@ -10,6 +10,7 @@
 import io
 
 import pygmt
+from pygmt.params import Box
 
 # %%
 # Create an auto-legend
@@ -90,7 +91,7 @@
 
 # Add a box with a 2-points thick blue, solid outline and a white fill with a
 # transparency of 70 percentage ("@30").
-fig.legend(position="jTL+o0.3c/0.2c", box="+p2p,blue+gwhite@30")
+fig.legend(position="jTL+o0.3c/0.2c", box=Box(pen="2p,blue", fill="white@30"))
 
 fig.show()
 
@@ -152,7 +153,7 @@
 fig.basemap(region=[-5, 5, -5, 5], projection="M10c", frame=True)
 
 # Pass the io.StringIO object to the "spec" parameter
-fig.legend(spec=spec_io, position="jMC+w9c", box="+p1p,gray50+ggray95")
+fig.legend(spec=spec_io, position="jMC+w9c", box=Box(pen="1p,gray50", fill="gray95"))
 
 fig.show()