From 0af71ead26e7b67d44e9a74472fe04b505e29fdb Mon Sep 17 00:00:00 2001
From: "Mayr, Hannes" <hannes.mayr@stud.tu-darmstadt.de>
Date: Mon, 21 Nov 2022 16:39:07 +0100
Subject: [PATCH] Add comment about exif metadata key 270.

---
 plotid/save_plot.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/plotid/save_plot.py b/plotid/save_plot.py
index f4d4d3e..0c84709 100644
--- a/plotid/save_plot.py
+++ b/plotid/save_plot.py
@@ -73,6 +73,7 @@ def save_plot(figures, plot_names, figure_ids=[], extension="png"):
         elif all(x in str(type(fig)) for x in ["PIL", "ImageFile"]):
             plot_path.append(plot_names[i] + ".tmp." + extension)
             img_exif = fig.getexif()
+            # 270 or 0x010e is the EXIF identifier for "ImageDescription"
             img_exif[270] = figure_ids[i]
             fig.save(plot_path[i], exif=img_exif)
         else:
-- 
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