Merge branch 'grid-smoothing' into 'main'

Grid smoothing fix

See merge request !248

build.gradle

@@ -62,7 +62,7 @@ javadoc {
 // model parsing classes; TODO remove when parser is stable
 task fatJar(type: Jar) {
   from {
-    configurations.compile.collect { it.isDirectory() ? it : zipTree(it) }
+    //configurations.compile.collect { it.isDirectory() ? it : zipTree(it) }
     configurations.runtimeClasspath.collect { it.isDirectory() ? it : zipTree(it) }
   }
   with jar

src/main/java/gov/usgs/earthquake/nshmp/model/GridRuptureSet.java

@@ -1039,9 +1039,11 @@ public class GridRuptureSet extends AbstractRuptureSet<PointSource> {
   private static final int PRECISION = 5;
   private static final double[] OFFSET_SCALE_10 = Sequences
       .arrayBuilder(-0.45, 0.45, 0.1)
+      .centered()
       .build();
   private static final double[] OFFSET_SCALE_4 = Sequences
       .arrayBuilder(-0.375, 0.375, 0.25)
+      .centered()
       .build();
 
   /*