Add examples for opening OMEZarr

src/test/java/develop/OMEZarrSavingSpeed.java

@@ -8,7 +8,7 @@ public class OMEZarrSavingSpeed
 {
     public static void main( String[] args )
     {
-        int size = 100;
+        int size = 100; // => 2 s
         ImagePlus imp = IJ.createImage( "image", size, size, size, 8 );
 
         long start = System.currentTimeMillis();

src/test/java/examples/N5ViewerExample.java

@@ -0,0 +1,12 @@
+package examples;
+
+import org.janelia.saalfeldlab.n5.bdv.N5Viewer;
+
+public class N5ViewerExample
+{
+    public static void main( String[] args )
+    {
+        String uri = "/Users/tischer/Downloads/20240524_1_s2.zarr";
+        N5Viewer.show( uri );
+    }
+}

src/test/java/examples/OpenOMEZarrExample.java

@@ -0,0 +1,32 @@
+package examples;
+
+import bdv.cache.SharedQueue;
+import bdv.util.BdvFunctions;
+import bdv.viewer.SourceAndConverter;
+import org.embl.mobie.io.imagedata.N5ImageData;
+import org.jruby.RubyProcess;
+
+import java.util.List;
+
+public class OpenOMEZarrExample
+{
+    public static void main( String[] args )
+    {
+        //String uri = "https://s3.embl.de/imatrec/IMATREC_HiTT_20240414_AS/TAL_20to200_20230627_NA_01_epo_05.ome.zarr";
+        String uri = "/Users/tischer/Downloads/20240524_1_s2.zarr";
+
+        long start = System.currentTimeMillis();
+        N5ImageData< ? > imageData = new N5ImageData<>(
+                uri,
+                new SharedQueue( Math.max( 1, Runtime.getRuntime().availableProcessors() / 2 ) )
+        );
+        imageData.getSourcesAndConverters(); // triggers actual opening of the data
+        System.out.println("Opened " + uri );
+        System.out.println("Opening time [ms]: " + (System.currentTimeMillis() - start ) );
+
+        BdvFunctions.show(
+                imageData.getSourcesAndConverters(),
+                imageData.getNumTimepoints(),
+                imageData.getBdvOptions());
+    }
+}