fix matplotlib error by changing 'none' to (0,0,0,0) as color & facec…

…olor
cvanwynsberghe · Jul 22, 2020 · 6a18e25 · 6a18e25
1 parent 692ac5d
commit 6a18e25
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Showing 3 changed files with 16 additions and 16 deletions.
diff --git a/example_rmds.py b/example_rmds.py
@@ -64,18 +64,18 @@
 ax_ls.set_title("least-square (smacof)")
 
 ax_ls.scatter(*solver_ls.x_aligned.T, marker='x', facecolor='RoyalBlue',
-              color='none', s=35, linewidths=1.5, label='r estimated')
+              color=(0, 0, 0, 0), s=35, linewidths=1.5, label='r estimated')
 
-ax_ls.scatter(*solver_ls.x_ref_centered.T, marker='o', facecolor='none',
+ax_ls.scatter(*solver_ls.x_ref_centered.T, marker='o', facecolor=(0, 0, 0, 0),
               color='RoyalBlue', s=35, linewidths=1.5, label='r source')
 
 ax_oa = fig.add_subplot(122, projection='3d')
 ax_oa.set_title("outlier-aware")
 
 ax_oa.scatter(*solver_oa.x_aligned.T, marker='x', facecolor='RoyalBlue',
-              color='none', s=35, linewidths=1.5, label='r estimated')
+              color=(0, 0, 0, 0), s=35, linewidths=1.5, label='r estimated')
 
-ax_oa.scatter(*solver_oa.x_ref_centered.T, marker='o', facecolor='none',
+ax_oa.scatter(*solver_oa.x_ref_centered.T, marker='o', facecolor=(0, 0, 0, 0),
               color='RoyalBlue', s=35, linewidths=1.5, label='r source')
 
 plt.savefig("example_rmds_geometries.pdf")

diff --git a/example_toa.py b/example_toa.py
@@ -11,7 +11,6 @@
 import numpy as np
 import matplotlib.pyplot as plt
 from mpl_toolkits.mplot3d import Axes3D
-from mpl_toolkits.mplot3d.art3d import juggle_axes
 
 from rcbox.rmds import RMDU
 from rcbox.utils import make_TOA
@@ -68,35 +67,35 @@
 ax_ls = fig.add_subplot(121, projection='3d')
 ax_ls.scatter(*toa_solver.x_aligned[0:toa_solver.Nr, :].T,
               marker='x', facecolor='RoyalBlue',
-              color='none', s=35, linewidths=1.5, label='r estimated')
+              color=(0, 0, 0, 0), s=35, linewidths=1.5, label='r estimated')
 
 ax_ls.scatter(*toa_solver.x_aligned[toa_solver.Nr::, :].T,
               marker='x', facecolor='red',
-              color='none', s=35, linewidths=1.5, label='r estimated')
+              color=(0, 0, 0, 0), s=35, linewidths=1.5, label='r estimated')
 
 ax_ls.scatter(*toa_solver.x_ref_centered[0:toa_solver.Nr, :].T, marker='o',
-              facecolor='none',
+              facecolor=(0, 0, 0, 0),
               color='RoyalBlue', s=35, linewidths=1.5, label='r source')
 
 ax_ls.scatter(*toa_solver.x_ref_centered[toa_solver.Nr::, :].T, marker='o',
-              facecolor='none',
+              facecolor=(0, 0, 0, 0),
               color='red', s=35, linewidths=1.5, label='r source')
 
 ax_oa = fig.add_subplot(122, projection='3d')
 ax_oa.scatter(*rtoa_solver.x_aligned[0:rtoa_solver.Nr, :].T,
               marker='x', facecolor='RoyalBlue',
-              color='none', s=35, linewidths=1.5, label='r estimated')
+              color=(0, 0, 0, 0), s=35, linewidths=1.5, label='r estimated')
 
 ax_oa.scatter(*rtoa_solver.x_aligned[rtoa_solver.Nr::, :].T,
               marker='x', facecolor='red',
-              color='none', s=35, linewidths=1.5, label='r estimated')
+              color=(0, 0, 0, 0), s=35, linewidths=1.5, label='r estimated')
 
 ax_oa.scatter(*rtoa_solver.x_ref_centered[0:rtoa_solver.Nr, :].T, marker='o',
-              facecolor='none',
+              facecolor=(0, 0, 0, 0),
               color='RoyalBlue', s=35, linewidths=1.5, label='r source')
 
 ax_oa.scatter(*rtoa_solver.x_ref_centered[rtoa_solver.Nr::, :].T, marker='o',
-              facecolor='none',
+              facecolor=(0, 0, 0, 0),
               color='red', s=35, linewidths=1.5, label='r source')
 
 plt.savefig("example_toa_geometries.pdf")

diff --git a/rcbox/rtdoa.py b/rcbox/rtdoa.py
@@ -269,13 +269,13 @@ def Plot_result(self, r_gt=None, show_init=False,
 
         # Plot final
         ax.scatter(*self.r.T, marker='x', facecolor='RoyalBlue',
-                   color='none',
+                   color=(0, 0, 0, 0),
                    s=35, linewidths=1.5, label='r estimated')
 
         # Plot initial guess
         if show_init:
             ax.scatter(*self.r_iters[0, :, :].T, marker='s', color='RoyalBlue',
-                       facecolor='none',
+                       facecolor=(0, 0, 0, 0),
                        s=35, linewidths=1.5, label='r inital')
 
         # Plot microphone paths across iterations
@@ -285,7 +285,8 @@ def Plot_result(self, r_gt=None, show_init=False,
 
         # Plot ground truth if given
         if r_gt is not None:
-            ax.scatter(*r_gt.T, marker='o', color='red', facecolor='none',
+            ax.scatter(*r_gt.T, marker='o', color='red',
+                       facecolor=(0, 0, 0, 0),
                        s=35, linewidths=1.5, label='r ground truth')
 
             for l in range(self.L):