Exporting polyline profiles

Comparison/src/main/java/cz/fidentis/analyst/visitors/mesh/CrossSection.java

@@ -33,9 +33,20 @@ public class CrossSection extends MeshVisitor {
     public void visitMeshFacet(MeshFacet facet) {
         //TODO Dont check every triangle, find first and then check it's neighbors and new neighbors and so on
         synchronized (this) {
+            Point3d last = null;
             for (MeshTriangle tri : facet) {
                 if (tri.checkIntersectionWithPlane(plane)) {
-                    points.add(facet.getVertex(tri.index1).getPosition());
+                    Point3d p = facet.getVertex(tri.index1).getPosition();
+
+                    // Check for duplicates
+                    if (last != null) {
+                        if (last == p) {
+                            continue;
+                        }
+                    }
+
+                    points.add(p);
+                    last = p;
                 }
             }
         }

GUI/src/main/java/cz/fidentis/analyst/symmetry/ProfilesAction.java

@@ -3,10 +3,17 @@ package cz.fidentis.analyst.symmetry;
 import cz.fidentis.analyst.canvas.Canvas;
 import cz.fidentis.analyst.core.ControlPanelAction;
 import cz.fidentis.analyst.visitors.mesh.CrossSection;
+import org.openide.filesystems.FileChooserBuilder;
 
 import javax.swing.JTabbedPane;
 import javax.swing.JToggleButton;
+import javax.swing.filechooser.FileNameExtensionFilter;
+import javax.vecmath.Point3d;
 import java.awt.event.ActionEvent;
+import java.io.File;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.List;
 
 /**
  * Action listener for the manipulation with the cutting plane.
@@ -15,9 +22,18 @@ import java.awt.event.ActionEvent;
  */
 public class ProfilesAction extends ControlPanelAction {
 
+    /*
+     * GUI elements
+     */
     private final ProfilesPanel controlPanel;
     private final JTabbedPane topControlPanel;
 
+    /*
+     * Calculated profiles
+     */
+    private List<Point3d> primaryPoints;
+    private List<Point3d> secondaryPoints;
+
     /**
      * Constructor.
      *
@@ -30,14 +46,16 @@ public class ProfilesAction extends ControlPanelAction {
 
         CrossSection cs1 = new CrossSection(getScene().getDrawableCuttingPlane(0).getFacets().get(0));
         getPrimaryDrawableFace().getModel().compute(cs1);
+        this.primaryPoints = cs1.getPoints();
 
         if (getSecondaryDrawableFace() != null) {
             CrossSection cs2 = new CrossSection(getScene().getDrawableCuttingPlane(1).getFacets().get(0));
             getSecondaryDrawableFace().getModel().compute(cs2);
+            this.secondaryPoints = cs2.getPoints();
 
-            controlPanel = new ProfilesPanel(this, cs1.getPoints(), cs2.getPoints());
+            controlPanel = new ProfilesPanel(this, this.primaryPoints, this.secondaryPoints);
         } else {
-            controlPanel = new ProfilesPanel(this, cs1.getPoints());
+            controlPanel = new ProfilesPanel(this, this.primaryPoints);
         }
 
         // Place control panel to the topControlPanel
@@ -54,18 +72,60 @@ public class ProfilesAction extends ControlPanelAction {
         getCanvas().getScene().hideCuttingPlanes();
     }
 
+    private void exportProfile(List<Point3d> points, String title) {
+        File file = new FileChooserBuilder(ProfilesAction.class)
+                .setTitle(title)
+                .setDefaultWorkingDirectory(new File(System.getProperty("user.home")))
+                .setFilesOnly(true)
+                .setFileFilter(new FileNameExtensionFilter("csv files (*.csv)", "csv"))
+                .setAcceptAllFileFilterUsed(true)
+                .showSaveDialog();
+
+        if (file == null) {
+            return;
+        }
+
+        // If chosen file exists, use the exact file path
+        // If chosen file does not exist and does not have an extension, add it
+        if (!file.exists()) {
+            if (!file.getAbsolutePath().endsWith(".csv")) {
+                file = new File(file.getAbsolutePath() + ".csv");
+            }
+        }
+
+        try {
+            file.createNewFile();
+
+            PrintWriter writer = new PrintWriter(file.getAbsoluteFile(), "UTF-8");
+            writer.println("N,X-Coordinate,Z-Coordinate");
+            for (int i = 0; i < points.size(); ++i) {
+                writer.println((i+1) + "," + points.get(i).x + "," + points.get(i).z);
+            }
+
+            writer.close();
+        } catch (IOException ex) {
+            System.out.println("ERROR writing to a file: " + ex);
+        }
+    }
+
     @Override
     public void actionPerformed(ActionEvent ae) {
         String action = ae.getActionCommand();
 
         switch (action) {
-            case SymmetryPanel.ACTION_COMMAND_SHOW_HIDE_PLANE:
+            case ProfilesPanel.ACTION_COMMAND_SHOW_HIDE_PLANE:
                 if (((JToggleButton) ae.getSource()).isSelected()) {
                     getScene().showCuttingPlanes();
                 } else {
                     getScene().hideCuttingPlanes();
                 }
                 break;
+            case ProfilesPanel.ACTION_COMMAND_EXPORT:
+                exportProfile(this.primaryPoints, "Export primary face profile to file");
+                if (getSecondaryDrawableFace() != null) {
+                    exportProfile(this.secondaryPoints, "Export secondary face profile to file");
+                }
+                break;
             default:
                 // do nothing
         }

GUI/src/main/java/cz/fidentis/analyst/symmetry/ProfilesPanel.java

@@ -31,6 +31,7 @@ public class ProfilesPanel extends ControlPanel {
      */
     public static final String ACTION_COMMAND_SHOW_HIDE_PLANE = "show-hide symmetry plane";
     public static final String ACTION_COMMAND_RECOMPUTE = "recompute";
+    public static final String ACTION_COMMAND_EXPORT = "export";
 
     /*
      * Mandatory design elements
@@ -102,13 +103,17 @@ public class ProfilesPanel extends ControlPanel {
 
         builder.addButtons(
                 List.of("Recompute",
-                        "Export Profile"),
+                        "Export Profiles"),
                 List.of(
                         (ActionEvent e) -> {
 
                         },
                         (ActionEvent e) -> {
-
+                            action.actionPerformed(new ActionEvent(
+                                    e.getSource(),
+                                    ActionEvent.ACTION_PERFORMED,
+                                    ACTION_COMMAND_EXPORT
+                            ));
                         }
                 )
         );