From d742ade336d4a419772a52576dd8c8c1698a5a80 Mon Sep 17 00:00:00 2001
From: marcobitplane <139451784+marcobitplane@users.noreply.github.com>
Date: Tue, 3 Dec 2024 17:33:57 +0100
Subject: [PATCH] Avoid caching data when determining pixel type in initFile

---
 .../src/loci/formats/in/ImarisHDFReader.java  | 20 ++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/components/formats-gpl/src/loci/formats/in/ImarisHDFReader.java b/components/formats-gpl/src/loci/formats/in/ImarisHDFReader.java
index bc35b7f3b89..13827c8c2f0 100644
--- a/components/formats-gpl/src/loci/formats/in/ImarisHDFReader.java
+++ b/components/formats-gpl/src/loci/formats/in/ImarisHDFReader.java
@@ -329,7 +329,7 @@ protected void initFile(String id) throws FormatException, IOException {
 
     int type = -1;
 
-    Object pix = getImageData(0, 0, 0, 1, 1);
+    Object pix = getSampleData();
     if (pix instanceof byte[][]) type = FormatTools.UINT8;
     else if (pix instanceof short[][]) type = FormatTools.UINT16;
     else if (pix instanceof int[][]) type = FormatTools.UINT32;
@@ -579,6 +579,24 @@ else if (buffer[zct[1]] instanceof float[][][]) {
     return image;
   }
 
+  private Object getSampleData()
+    throws FormatException
+  {
+    int resolutionIndex = getCoreIndex();
+    Object image = null;
+    int[] dimensions = new int[] {1, 2, 2};
+    int[] indices = new int[] {0, 0, 0};
+    try {
+      String path = "/DataSet/ResolutionLevel_" + resolutionIndex + "/TimePoint_0/Channel_0/Data";
+      image = netcdf.getArray(path, indices, dimensions);
+    }
+    catch (ServiceException e) {
+      throw new FormatException(e);
+    }
+    
+    return image;
+  }
+
   private void parseAttributes() {
     final List<String> attributes = netcdf.getAttributeList();
     CoreMetadata ms0 = core.get(0, 0);