Unbend jrc_mus_heart_6 16-bit stack. Reduced logging to help debug issues. To avoid exception, I needed to select points (with ctrl-A) from top to bottom in N5 viewer. Left RenderTools hack code commented out.

Author: trautmane

render-ws-java-client/src/main/java/org/janelia/render/client/solver/interactive/Unbend.java

@@ -3,12 +3,16 @@
 import java.awt.Color;
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Set;
 import java.util.function.Function;
 import java.util.stream.Collectors;
 
+import org.janelia.alignment.RenderParameters;
+import org.janelia.alignment.mipmap.RenderedCanvasMipmapSource;
+import org.janelia.alignment.mipmap.UrlMipmapSource;
 import org.janelia.alignment.spec.ResolvedTileSpecCollection;
 import org.janelia.alignment.spec.ResolvedTileSpecCollection.TransformApplicationMethod;
 import org.janelia.alignment.spec.TileSpec;
@@ -19,8 +23,11 @@
 import org.janelia.render.client.RenderDataClient;
 import org.janelia.render.client.solver.SolveTools;
 import org.janelia.render.client.solver.visualize.RenderTools;
+import org.slf4j.LoggerFactory;
 
 import bdv.util.BdvStackSource;
+import ch.qos.logback.classic.Level;
+import ch.qos.logback.classic.LoggerContext;
 import net.imglib2.Interval;
 import net.imglib2.RealPoint;
 import net.imglib2.cache.Invalidate;
@@ -193,14 +200,15 @@ public static void main(final String[] args) throws IOException
 			effectiveArgs = new String[] {
 				"http://em-services-1.int.janelia.org:8080/render-ws/v1",
 				"cellmap",
-				"jrc_mus_cortex_2",
-				"v1_acquire_align",
-				"v1_acquire_align_straightened"
+				"jrc_mus_heart_6",
+                "v4_acquire_align_16bit_destreak_sc",
+                "v4_acquire_align_16bit_destreak_sc_straightened"
 			};
 		} else {
 			effectiveArgs = args;
 		}
 
+        // note: needed to hack RenderTools.renderImage to handle 16-bit data (see commented out lines there)
 		final String baseUrl = effectiveArgs[0];
 		final String owner = effectiveArgs[1];
 		final String project = effectiveArgs[2];
@@ -226,6 +234,19 @@ public static void main(final String[] args) throws IOException
 		final long cachedPixels = 2000000;
 		final ImageProcessorCache ipCache = new ImageProcessorCache( cachedPixels, recordStats, cacheOriginalsForDownSampledImages );
 
+        // reduce logging so that it is easier to see problems
+        for (final String loggerName : Arrays.asList(ImageProcessorCache.class.getName(),
+                                                     RenderParameters.class.getName(),
+                                                     RenderedCanvasMipmapSource.class.getName(),
+                                                     UrlMipmapSource.class.getName())) {
+            final LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
+            final ch.qos.logback.classic.Logger logger = loggerContext.getLogger(loggerName);
+            if (logger == null) {
+                throw new IllegalArgumentException("logger with name '" + loggerName + "' not found");
+            }
+            logger.setLevel(Level.WARN);
+        }
+
 		// make most cores available for viewer
 		final double totalThreadUsage = 1.0;
 		final int numTotalThreads = (int) Math.floor(Runtime.getRuntime().availableProcessors() * totalThreadUsage);

render-ws-java-client/src/main/java/org/janelia/render/client/solver/visualize/RenderTools.java

@@ -170,6 +170,9 @@ static public ImageProcessorWithMasks renderImage(
 		final RenderParameters renderParameters = RenderParameters.loadFromUrl(renderParametersUrlString); // we do have that info locally
 		renderParameters.setDoFilter(filter);
 
+        // replace first channel with mask for 16-bit-data
+        // renderParameters.getTileSpecs().forEach( (tileSpec) -> tileSpec.replaceFirstChannelImageWithMask( false ));
+
 		/*
 		final BufferedImage image = renderParameters.openTargetImage(); // opens an empty buffer
 		ArgbRenderer.render(renderParameters, image, ipCache); // loads the entire image and crops the requested size
@@ -178,7 +181,8 @@ static public ImageProcessorWithMasks renderImage(
 		*/
 
 		return Renderer.renderImageProcessorWithMasks( renderParameters, ipCache );
-	}
+        // return Renderer.renderImageProcessorWithMasks( renderParameters, ImageProcessorCache.DISABLED_CACHE ); // for running without cache for 16-bit data
+    }
 
 	public static ImageProcessorWithMasks renderRemoteImage(final ImageProcessorCache ipCache,
 															final String baseUrl,