Allow to not print the ID on to the plot by passing id_on_plot=False to tagplot().

README.md

@@ -64,6 +64,8 @@ Optional parameters can be used to customize the tag process.
         Location for ID to be displayed on the plot. Default is 'east'.
 - *qrcode* : boolean, optional
         Experimental support for encoding the ID in a QR Code.
+- *id_on_plot* : boolean, optional
+        Print ID on the plot. Default: True.
 
 Example:  
 ```python

plotid/plotoptions.py

@@ -40,6 +40,8 @@ class PlotOptions:
         The default is 'time'.
     qrcode : bool, optional
         Experimental status. Print qrcode on exported plot. Default: False.
+    id_on_plot: bool, optional
+        Print ID on the plot. Default: True.
     """
 
     def __init__(self, figs, rotation, position, **kwargs):
@@ -51,6 +53,7 @@ class PlotOptions:
         self.prefix = kwargs.get("prefix", "")
         self.id_method = kwargs.get("id_method", "time")
         self.qrcode = kwargs.get("qrcode", False)
+        self.id_on_plot = kwargs.get("id_on_plot", True)
 
     def __str__(self):
         """Representation if an object of this class is printed."""

plotid/tagplot_image.py

@@ -48,6 +48,7 @@ def tagplot_image(plotid_object):
         plotid_object.figure_ids.append(img_id)
         img = Image.open(img)
 
+        if plotid_object.id_on_plot:
             img_txt = Image.new("L", font.getsize(img_id))
             draw_txt = ImageDraw.Draw(img_txt)
             draw_txt.text((0, 0), img_id, font=font, fill=255)

plotid/tagplot_matplotlib.py

@@ -47,8 +47,9 @@ def tagplot_matplotlib(plotid_object):
         fig_id = create_id(plotid_object.id_method)
         fig_id = plotid_object.prefix + fig_id
         plotid_object.figure_ids.append(fig_id)
-
         plt.figure(fig)
+
+        if plotid_object.id_on_plot:
             plt.figtext(
                 x=plotid_object.position[0],
                 y=plotid_object.position[1],

tests/test_plotoptions.py

@@ -39,14 +39,19 @@ class TestTagplot(unittest.TestCase):
         Test if the string representation of a PlotOptions object is correct.
         """
         plot_obj = PlotOptions(
-            "FIG", ROTATION, POSITION, prefix="xyz", id_method="random"
+            "FIG",
+            ROTATION,
+            POSITION,
+            prefix="xyz",
+            id_method="random",
+            id_on_plot=False,
         )
         self.assertEqual(
             str(plot_obj),
             "<class 'plotid.plotoptions.PlotOptions'>: {'figs': "
             "'FIG', 'figure_ids': [], 'rotation': 270, 'position'"
             ": (100, 200), 'prefix': 'xyz', 'id_method': "
-            "'random', 'qrcode': False}",
+            "'random', 'qrcode': False, 'id_on_plot': False}",
         )
 
     def test_str_plotidtransfer(self):