From 8385827ce429717268572fce3ee26386e61dd448 Mon Sep 17 00:00:00 2001
From: "Shah, Sandip P." <68666105+sandip-shah@users.noreply.github.com>
Date: Fri, 6 Sep 2024 15:34:50 -0700
Subject: [PATCH] Update mcd_file.py

Reading ablation images, slide image, and panorama image returns an extra byte from the DotNet Binary Serialization record.  Modified the code so that the extra byte is not returned.
---
 readimc/mcd_file.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/readimc/mcd_file.py b/readimc/mcd_file.py
index d49ed0b..6815e9a 100644
--- a/readimc/mcd_file.py
+++ b/readimc/mcd_file.py
@@ -199,6 +199,7 @@ def read_slide(self, slide: Slide) -> Optional[np.ndarray]:
         if data_start_offset == data_end_offset == 0:
             return None
         data_start_offset += 161
+        data_end_offset -= 1
         if data_start_offset >= data_end_offset:
             raise IOError(
                 f"MCD file '{self.path.name}' corrupted: "
@@ -230,6 +231,7 @@ def read_panorama(self, panorama: Panorama) -> np.ndarray:
                 f"cannot locate image data for panorama {panorama.id}"
             ) from e
         data_start_offset += 161
+        data_end_offset -= 1
         if data_start_offset >= data_end_offset:
             raise IOError(
                 f"MCD file '{self.path.name}' corrupted: "
@@ -270,6 +272,7 @@ def read_before_ablation_image(
         if data_start_offset == data_end_offset == 0:
             return None
         data_start_offset += 161
+        data_end_offset -= 1
         if data_start_offset >= data_end_offset:
             raise IOError(
                 f"MCD file '{self.path.name}' corrupted: "
@@ -312,6 +315,7 @@ def read_after_ablation_image(
         if data_start_offset == data_end_offset == 0:
             return None
         data_start_offset += 161
+        data_end_offset -= 1
         if data_start_offset >= data_end_offset:
             raise IOError(
                 f"MCD file '{self.path.name}' corrupted: "