Update to new sfs plotting API

Done by the following commands:
grep -rli "plot.soundfield" * | xargs -i@ \
    sed -i "s/plot\.soundfield/plot2d\.amplitude/" @
grep -rli "plot.secondarysource_2d" * | xargs -i@ \
    sed -i "s/plot\.secondarysource_2d/plot2d\.secondary_sources/" @

Author: hagenw

d_nfchoa/index.rst

@@ -35,8 +35,8 @@ Plane Wave
         sfs.fd.nfchoa.plane_25d(omega, array.x, R0, nk)
     twin = sfs.tapering.none(selection)
     p = sfs.fd.synthesize(d, twin, array, secondary_source, grid=grid)
-    sfs.plot.soundfield(p, grid)
-    sfs.plot.secondarysource_2d(array.x, array.n, grid)
+    sfs.plot2d.amplitude(p, grid)
+    sfs.plot2d.secondary_sources(array.x, array.n, grid)
 
 .. plot::
     :context:
@@ -154,8 +154,8 @@ Point Source
     twin = sfs.tapering.none(selection)
     p = sfs.fd.synthesize(d, twin, array, secondary_source, grid=grid)
     normalization = 20
-    sfs.plot.soundfield(normalization * p, grid)
-    sfs.plot.secondarysource_2d(array.x, array.n, grid)
+    sfs.plot2d.amplitude(normalization * p, grid)
+    sfs.plot2d.secondary_sources(array.x, array.n, grid)
 
 .. plot::
     :context:

d_wfs/index.rst

@@ -30,8 +30,8 @@ Plane Wave
         sfs.fd.wfs.plane_25d(omega, array.x, array.n, npw, xref)
     twin = sfs.tapering.tukey(selection, .3)
     p = sfs.fd.synthesize(d, twin, array, secondary_source, grid=grid)
-    sfs.plot.soundfield(p, grid, xref)
-    sfs.plot.secondarysource_2d(array.x, array.n, grid)
+    sfs.plot2d.amplitude(p, grid, xref)
+    sfs.plot2d.secondary_sources(array.x, array.n, grid)
 
 .. plot::
     :context:
@@ -135,8 +135,8 @@ Point Source
         sfs.fd.wfs.point_25d(omega, array.x, array.n, xs, xref)
     twin = sfs.tapering.tukey(selection, .3)
     p = sfs.fd.synthesize(d, twin, array, secondary_source, grid=grid)
-    sfs.plot.soundfield(p, grid)
-    sfs.plot.secondarysource_2d(array.x, array.n, grid)
+    sfs.plot2d.amplitude(p, grid)
+    sfs.plot2d.secondary_sources(array.x, array.n, grid)
 
 .. plot::
     :context:
@@ -289,8 +289,8 @@ Line Source
     twin = sfs.tapering.tukey(selection, .3)
     p = sfs.fd.synthesize(d, twin, array, secondary_source, grid=grid)
     normalization = 7
-    sfs.plot.soundfield(normalization * p, grid)
-    sfs.plot.secondarysource_2d(array.x, array.n, grid)
+    sfs.plot2d.amplitude(normalization * p, grid)
+    sfs.plot2d.secondary_sources(array.x, array.n, grid)
 
 .. plot::
     :context:
@@ -397,8 +397,8 @@ Focused Source
         sfs.fd.wfs.focused_25d(omega, array.x, array.n, xs, ns, xref)
     twin = sfs.tapering.tukey(selection, .3)
     p = sfs.fd.synthesize(d, twin, array, secondary_source, grid=grid)
-    sfs.plot.soundfield(p, grid)
-    sfs.plot.secondarysource_2d(array.x, array.n, grid)
+    sfs.plot2d.amplitude(p, grid)
+    sfs.plot2d.secondary_sources(array.x, array.n, grid)
 
 .. plot::
     :context:

sources/index.rst

@@ -31,7 +31,7 @@ Plane Wave
     omega = 2 * np.pi * 800  # frequency
     grid = sfs.util.xyz_grid([-1.75, 1.75], [-1.75, 1.75], 0, spacing=0.02)
     p = sfs.fd.source.plane(omega, xs, nk, grid)
-    sfs.plot.soundfield(p, grid)
+    sfs.plot2d.amplitude(p, grid)
 
 .. plot::
     :context:
@@ -117,7 +117,7 @@ Point Source
     grid = sfs.util.xyz_grid([-1.75, 1.75], [-1.75, 1.75], 0, spacing=0.02)
     p = sfs.fd.source.point(omega, xs, grid)
     normalization = 4 * np.pi
-    sfs.plot.soundfield(normalization * p, grid)
+    sfs.plot2d.amplitude(normalization * p, grid)
 
 .. plot::
     :context:
@@ -197,7 +197,7 @@ Dipole Point Source
     omega = 2 * np.pi * 800  # frequency
     grid = sfs.util.xyz_grid([-1.75, 1.75], [-1.75, 1.75], 0, spacing=0.02)
     p = sfs.fd.source.point_dipole(omega, xs, ns, grid)
-    sfs.plot.soundfield(p, grid)
+    sfs.plot2d.amplitude(p, grid)
 
 .. plot::
     :context:
@@ -261,7 +261,7 @@ Line Source
     p = sfs.fd.source.line(omega, xs, grid)
     normalization = (np.sqrt(8 * np.pi * omega / sfs.default.c)
                      * np.exp(1j * np.pi / 4))
-    sfs.plot.soundfield(normalization * p, grid)
+    sfs.plot2d.amplitude(normalization * p, grid)
 
 .. plot::
     :context: