Migrate frame settings to the Frame/Axis class [frame="+t" or similar]

examples/gallery/lines/decorated_lines.py

@@ -18,13 +18,16 @@
 # %%
 import numpy as np
 import pygmt
+from pygmt.params import Frame
 
 # Generate a two-point line for plotting
 x = np.array([1, 4])
 y = np.array([24, 24])
 
 fig = pygmt.Figure()
-fig.basemap(region=[0, 10, 0, 24], projection="X15c", frame="+tDecorated Lines")
+fig.basemap(
+    region=[0, 10, 0, 24], projection="X15c", frame=Frame(title="Decorated Lines")
+)
 
 # Plot different decorated lines
 for decoline in [

examples/gallery/lines/linefronts.py

@@ -35,13 +35,16 @@
 # %%
 import numpy as np
 import pygmt
+from pygmt.params import Frame
 
 # Generate a two-point line for plotting
 x = np.array([1, 4])
 y = np.array([20, 20])
 
 fig = pygmt.Figure()
-fig.basemap(region=[0, 10, 0, 20], projection="X15c/15c", frame="+tLine Fronts")
+fig.basemap(
+    region=[0, 10, 0, 20], projection="X15c/15c", frame=Frame(title="Line Fronts")
+)
 
 # Plot the line using different front styles
 for frontstyle in [

examples/gallery/lines/linestyles.py

@@ -20,13 +20,16 @@
 # %%
 import numpy as np
 import pygmt
+from pygmt.params import Frame
 
 # Generate a two-point line for plotting
 x = np.array([0, 7])
 y = np.array([9, 9])
 
 fig = pygmt.Figure()
-fig.basemap(region=[0, 10, 0, 10], projection="X15c/8c", frame="+tLine Styles")
+fig.basemap(
+    region=[0, 10, 0, 10], projection="X15c/8c", frame=Frame(title="Line Styles")
+)
 
 # Plot the line using the default line style
 fig.plot(x=x, y=y)

examples/gallery/lines/quoted_lines.py

@@ -17,13 +17,16 @@
 # %%
 import numpy as np
 import pygmt
+from pygmt.params import Frame
 
 # Generate a two-point line for plotting
 x = np.array([1, 4])
 y = np.array([20, 20])
 
 fig = pygmt.Figure()
-fig.basemap(region=[0, 10, 0, 20], projection="X15c/15c", frame="+tQuoted Lines")
+fig.basemap(
+    region=[0, 10, 0, 20], projection="X15c/15c", frame=Frame(title="Quoted Lines")
+)
 
 # Plot different quoted lines
 for quotedline in [

examples/gallery/lines/vector_heads_tails.py

@@ -31,10 +31,13 @@
 
 # %%
 import pygmt
+from pygmt.params import Frame
 
 fig = pygmt.Figure()
 fig.basemap(
-    region=[0, 10, 0, 15], projection="X15c/10c", frame="+tVector heads and tails"
+    region=[0, 10, 0, 15],
+    projection="X15c/10c",
+    frame=Frame(title="Vector heads and tails"),
 )
 
 x = 1

examples/gallery/symbols/bars.py

@@ -21,7 +21,7 @@
 
 # %%
 import pygmt
-from pygmt.params import Axis
+from pygmt.params import Axis, Frame
 
 fig = pygmt.Figure()
 
@@ -39,15 +39,15 @@
     pen = "1.5p"
     with fig.set_panel(panel=0):
         fill = "skyblue"
-        fig.basemap(region=[0, 4, 0, 3], frame="+tvertical bars")
+        fig.basemap(region=[0, 4, 0, 3], frame=Frame(title="vertical bars"))
         fig.plot(x=1, y=2, style="b0.5c", fill=fill, pen=pen)
         fig.plot(x=2, y=2.5, style="b1c", fill=fill, pen=pen)
         # +b1 means that the bar is starting from y=1 here
         fig.plot(x=3, y=2.5, style="b0.75c+b1", fill=fill, pen=pen)
 
     with fig.set_panel(panel=1):
         fill = "tomato"
-        fig.basemap(region=[0, 4, 0, 3], frame="+thorizontal bars")
+        fig.basemap(region=[0, 4, 0, 3], frame=Frame(title="horizontal bars"))
         fig.plot(x=1.5, y=0.5, style="B0.75c", fill=fill, pen=pen)
         fig.plot(x=3, y=1.5, style="B1c", fill=fill, pen=pen)
         # +b2 means that the bar is starting from x=2 here
@@ -63,11 +63,11 @@
     }
 
     with fig.set_panel(panel=2):
-        fig.basemap(region=[0, 4, 0, 3], frame="+tstacked bars")
+        fig.basemap(region=[0, 4, 0, 3], frame=Frame(title="stacked bars"))
         fig.plot(data=data, style="B0.75c+i4", cmap=True, pen=pen)
 
     with fig.set_panel(panel=3):
-        fig.basemap(region=[0, 4, 0, 3], frame="+tsplit bars")
+        fig.basemap(region=[0, 4, 0, 3], frame=Frame(title="split bars"))
         fig.plot(data=data, style="B1c+v4+s", cmap=True, pen=pen)
 
 fig.show()

pygmt/tests/test_subplot.py

@@ -19,9 +19,9 @@ def test_subplot_basic_frame():
 
     with fig.subplot(nrows=1, ncols=2, figsize=("6c", "3c"), frame=Frame(axes="WSne")):
         with fig.set_panel(panel="0,0"):
-            fig.basemap(region=[0, 3, 0, 3], frame="+tplot0")
+            fig.basemap(region=[0, 3, 0, 3], frame=Frame(title="plot0"))
         with fig.set_panel(panel=[0, 1]):
-            fig.basemap(region=[0, 3, 0, 3], frame="+tplot1")
+            fig.basemap(region=[0, 3, 0, 3], frame=Frame(title="plot1"))
     return fig