Merge pull request #469 from csachs/nan_jump

Change behavior for NaN to match matplotlib

test/test_cleanfigure.py

@@ -115,8 +115,7 @@ def test_plot3d(self):
             # Use number of lines to test if it worked.
             numLinesRaw = raw.count("\n")
             numLinesClean = clean.count("\n")
-
-            assert numLinesRaw - numLinesClean == 14
+            assert numLinesRaw - numLinesClean == 13
         plt.close("all")
 
     def test_scatter3d(self):
@@ -569,7 +568,7 @@ def test_loglog(self):
             clean = get_tikz_code()
             numLinesRaw = raw.count("\n")
             numLinesClean = clean.count("\n")
-            assert numLinesRaw - numLinesClean == 98
+            assert numLinesRaw - numLinesClean == 99
             assert numLinesClean == 27
         plt.close("all")
 

tikzplotlib/_line2d.py

@@ -274,8 +274,8 @@ def _table(obj, data):  # noqa: C901
     plot_table = []
     table_row_sep = data["table_row_sep"]
     ydata[ydata_mask] = np.nan
-    if any(ydata_mask):
-        # matplotlib jumps at masked images, while PGFPlots by default interpolates.
+    if any(ydata_mask) or (~np.isfinite(ydata)).any():
+        # matplotlib jumps at masked or nan values, while PGFPlots by default interpolates.
         # Hence, if we have a masked plot, make sure that PGFPlots jumps as well.
         if "unbounded coords=jump" not in data["current axes"].axis_options:
             data["current axes"].axis_options.append("unbounded coords=jump")