diff --git a/analysis/pom.xml b/analysis/pom.xml
index d46d4ef5..1f326d6a 100644
--- a/analysis/pom.xml
+++ b/analysis/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>org.tinfour</groupId>
     <artifactId>Tinfour</artifactId>
-    <version>2.1.4-SNAPSHOT</version>
+    <version>2.1.4</version>
   </parent>
   
   <artifactId>TinfourAnalysis</artifactId>
diff --git a/core/pom.xml b/core/pom.xml
index dc3fa367..df9a6401 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>org.tinfour</groupId>
     <artifactId>Tinfour</artifactId>
-    <version>2.1.4-SNAPSHOT</version>
+    <version>2.1.4</version>
   </parent>
 
   <artifactId>TinfourCore</artifactId>
diff --git a/demo/pom.xml b/demo/pom.xml
index a080cbba..35d05265 100644
--- a/demo/pom.xml
+++ b/demo/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>org.tinfour</groupId>
     <artifactId>Tinfour</artifactId>
-    <version>2.1.4-SNAPSHOT</version>
+    <version>2.1.4</version>
   </parent>
 
   <artifactId>TinfourDemo</artifactId>
diff --git a/demo/src/main/java/org/tinfour/demo/development/cdt/ConstraintStarDemo.java b/demo/src/main/java/org/tinfour/demo/development/cdt/ConstraintStarDemo.java
index 85ac2c8f..256cd535 100644
--- a/demo/src/main/java/org/tinfour/demo/development/cdt/ConstraintStarDemo.java
+++ b/demo/src/main/java/org/tinfour/demo/development/cdt/ConstraintStarDemo.java
@@ -40,9 +40,6 @@
 import java.awt.geom.Path2D;
 import java.awt.geom.Rectangle2D;
 import java.awt.image.BufferedImage;
-import static java.lang.Math.sin;
-import static java.lang.Math.cos;
-import static java.lang.Math.tan;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.function.Consumer;
@@ -239,7 +236,7 @@ private void addGrid(List<Vertex> vertices) {
   final static double A72 = Math.toRadians(72);
 
   final static double rNotch = 1.0; // radius for inner (notch) vertices
-  final static double rPoint = rNotch * (cos(A36) + sin(A36) * tan(A72));
+  final static double rPoint = rNotch * (Math.cos(A36) + Math.sin(A36) * Math.tan(A72));
 
   /**
    * Add a region (polygon) constraint in the form of a five-pointed start to
diff --git a/demo/src/main/java/org/tinfour/demo/development/cdt/MixedModeConstraintTest.java b/demo/src/main/java/org/tinfour/demo/development/cdt/MixedModeConstraintTest.java
index 2659a19b..57665d53 100644
--- a/demo/src/main/java/org/tinfour/demo/development/cdt/MixedModeConstraintTest.java
+++ b/demo/src/main/java/org/tinfour/demo/development/cdt/MixedModeConstraintTest.java
@@ -314,12 +314,7 @@ private void test(IQuadEdge edge, IIncrementalTin tin, BitSet perimeterFlags) {
   private String fail(IQuadEdge edge, String message) {
     return "Edge +(" + edge.getIndex() + "): " + message;
   }
-
-  private String eString(IQuadEdge edge) {
-    Vertex A = edge.getA();
-    Vertex B = edge.getB();
-    return edge.getIndex() + ": " + A + ", " + B + ">> " + edge.toString();
-  }
+ 
 
   PolygonConstraint makePoly(String label, int xMin, int yMin, int xMax, int yMax) {
     PolygonConstraint p = new PolygonConstraint();
diff --git a/demo/src/main/java/org/tinfour/demo/performance/RepeatedDeleteTest.java b/demo/src/main/java/org/tinfour/demo/performance/RepeatedDeleteTest.java
index 33932a5e..54e96486 100644
--- a/demo/src/main/java/org/tinfour/demo/performance/RepeatedDeleteTest.java
+++ b/demo/src/main/java/org/tinfour/demo/performance/RepeatedDeleteTest.java
@@ -137,13 +137,9 @@ public void runTest(PrintStream ps, String args[]) throws IOException {
 
     int iAvg = 3;  // minimum index to start collecting average
     for (int iTest = 0; iTest < nTests; iTest++) {
-      String preallocTime = "       ~~~";
       tin = options.getNewInstanceOfTestTin();
       if (usePreAlloc) {
-        time0 = System.nanoTime();
         tin.preAllocateEdges(nVertices);
-        time1 = System.nanoTime();
-        preallocTime = String.format("%12.3f", (time1 - time0) / 1000000.0);
       }
       time0 = System.nanoTime();
       tin.add(vertexList, null);
diff --git a/demo/src/main/java/org/tinfour/demo/performance/SingleBuildTest.java b/demo/src/main/java/org/tinfour/demo/performance/SingleBuildTest.java
index 77672297..c98d4b3c 100644
--- a/demo/src/main/java/org/tinfour/demo/performance/SingleBuildTest.java
+++ b/demo/src/main/java/org/tinfour/demo/performance/SingleBuildTest.java
@@ -48,7 +48,8 @@
 import org.tinfour.utils.loaders.ICoordinateTransform;
 
 /**
- * Builds a TIN from the specified Lidar file, running once and terminating to
+ * Builds a TIN from the specified input file (text, Lidar, Shapefile),
+ * running once and terminating to
  * provide a simple test of the IncrementalTin logic.
  */
 public class SingleBuildTest implements IDevelopmentTest {
diff --git a/demo/src/main/java/org/tinfour/demo/performance/TimeDueToSampleSize.java b/demo/src/main/java/org/tinfour/demo/performance/TimeDueToSampleSize.java
index cdf9ed5b..b73063c8 100644
--- a/demo/src/main/java/org/tinfour/demo/performance/TimeDueToSampleSize.java
+++ b/demo/src/main/java/org/tinfour/demo/performance/TimeDueToSampleSize.java
@@ -175,6 +175,10 @@ public void runTest(PrintStream ps, String[] args) throws IOException {
     TestOptions options = new TestOptions();
     boolean[] recognized = options.argumentScan(args);
     File target = options.getInputFile();
+    if(target==null){
+      ps.println("Missing valid input target");
+      return;     
+    }
 
     Class<?> tinClass = options.getTinClass();
 
@@ -209,7 +213,7 @@ public void runTest(PrintStream ps, String[] args) throws IOException {
     String dateString = sdFormat.format(date);
     ps.println("Date of test:     " + dateString);
     ps.println("TIN Class:        " + tinClass.getName());
-    ps.println("File:             " + options.getInputFile().getCanonicalPath());
+    ps.println("File:             " + target.getCanonicalPath());
     ps.println("Random size:      "
       + (randomSize == null
         ? "Unspecified, Use full size"
diff --git a/demo/src/main/java/org/tinfour/demo/viewer/ExportImageOptionsPanel.form b/demo/src/main/java/org/tinfour/demo/viewer/ExportImageOptionsPanel.form
index b7d2580b..ca8661b5 100644
--- a/demo/src/main/java/org/tinfour/demo/viewer/ExportImageOptionsPanel.form
+++ b/demo/src/main/java/org/tinfour/demo/viewer/ExportImageOptionsPanel.form
@@ -55,9 +55,6 @@
         <Property name="text" type="java.lang.String" value="Add frame to image"/>
         <Property name="toolTipText" type="java.lang.String" value="Draw a thin frame (box) around image"/>
       </Properties>
-      <Events>
-        <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="imageFrameCheckBoxActionPerformed"/>
-      </Events>
     </Component>
     <Component class="javax.swing.JCheckBox" name="transparentBackgroundCheckBox">
       <Properties>
diff --git a/demo/src/main/java/org/tinfour/demo/viewer/ExportImageOptionsPanel.java b/demo/src/main/java/org/tinfour/demo/viewer/ExportImageOptionsPanel.java
index 4d0a5f6f..eb03f253 100644
--- a/demo/src/main/java/org/tinfour/demo/viewer/ExportImageOptionsPanel.java
+++ b/demo/src/main/java/org/tinfour/demo/viewer/ExportImageOptionsPanel.java
@@ -59,11 +59,6 @@ private void initComponents() {
 
     imageFrameCheckBox.setText("Add frame to image");
     imageFrameCheckBox.setToolTipText("Draw a thin frame (box) around image");
-    imageFrameCheckBox.addActionListener(new java.awt.event.ActionListener() {
-      public void actionPerformed(java.awt.event.ActionEvent evt) {
-        imageFrameCheckBoxActionPerformed(evt);
-      }
-    });
 
     transparentBackgroundCheckBox.setText("Transparent Background");
     transparentBackgroundCheckBox.setToolTipText("Save image with transparent background (PNG iimages only)");
@@ -96,10 +91,6 @@ public void actionPerformed(java.awt.event.ActionEvent evt) {
     );
   }// </editor-fold>//GEN-END:initComponents
 
-  private void imageFrameCheckBoxActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_imageFrameCheckBoxActionPerformed
-    // TODO add your handling code here:
-  }//GEN-LAST:event_imageFrameCheckBoxActionPerformed
-
   boolean isImageFrameEnabled() {
     return imageFrameCheckBox.isSelected();
   }
diff --git a/demo/src/main/java/org/tinfour/demo/viewer/backplane/MvComposite.java b/demo/src/main/java/org/tinfour/demo/viewer/backplane/MvComposite.java
index 7140d458..e46b8cf7 100644
--- a/demo/src/main/java/org/tinfour/demo/viewer/backplane/MvComposite.java
+++ b/demo/src/main/java/org/tinfour/demo/viewer/backplane/MvComposite.java
@@ -1752,9 +1752,6 @@ private Shape makeClipMask() {
         List<Vertex> vList = con.getVertices();
         double[] c = new double[4];
         boolean moveFlag = true;
-
-        double x0 = 0;
-        double y0 = 0;
         for (Vertex v : vList) {
           c[0] = v.getX();
           c[1] = v.getY();
@@ -1762,8 +1759,6 @@ private Shape makeClipMask() {
           if (moveFlag) {
             moveFlag = false;
             path.moveTo(c[2], c[3]);
-            x0 = c[2];
-            y0 = c[3];
           } else {
             foundStuff = true;
             path.lineTo(c[2], c[3]);
diff --git a/gis/pom.xml b/gis/pom.xml
index 80d547df..5c88a34e 100644
--- a/gis/pom.xml
+++ b/gis/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>org.tinfour</groupId>
     <artifactId>Tinfour</artifactId>
-    <version>2.1.4-SNAPSHOT</version>
+    <version>2.1.4</version>
   </parent>
 
   <artifactId>TinfourGis</artifactId>
@@ -19,7 +19,7 @@
     <dependency>
       <groupId>com.github.mreutegg</groupId>
       <artifactId>laszip4j</artifactId>
-      <version>0.5</version>
+      <version>0.7</version>
     </dependency>
 
     <dependency>
diff --git a/pom.xml b/pom.xml
index e3c5d5ee..b1575d11 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
 
   <groupId>org.tinfour</groupId>
   <artifactId>Tinfour</artifactId>
-  <version>2.1.4-SNAPSHOT</version>
+  <version>2.1.4</version>
   <packaging>pom</packaging>
   
   <name>Tinfour</name>
diff --git a/svm/pom.xml b/svm/pom.xml
index dbed7a2f..c53220ee 100644
--- a/svm/pom.xml
+++ b/svm/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>org.tinfour</groupId>
     <artifactId>Tinfour</artifactId>
-    <version>2.1.4-SNAPSHOT</version>
+    <version>2.1.4</version>
   </parent>
 
   <artifactId>TinfourSvm</artifactId>