Thread: [Bprocessor-commit] gui/src/net/sourceforge/bprocessor/gui/actions FileImportActionListener.java, 1

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Update of /cvsroot/bprocessor/gui/src/net/sourceforge/bprocessor/gui/actions
In directory sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv27796/src/net/sourceforge/bprocessor/gui/actions

Modified Files:
	FileImportActionListener.java ImportFileReader.java 
Log Message:
Improved on obj readin

Index: FileImportActionListener.java
===================================================================
RCS file: /cvsroot/bprocessor/gui/src/net/sourceforge/bprocessor/gui/actions/FileImportActionListener.java,v
retrieving revision 1.7
retrieving revision 1.8
diff -C2 -d -r1.7 -r1.8
*** FileImportActionListener.java	12 Oct 2007 08:00:13 -0000	1.7
--- FileImportActionListener.java	12 Oct 2007 10:20:35 -0000	1.8
***************
*** 23,26 ****
--- 23,27 ----
  
  import net.sourceforge.bprocessor.model.Project;
+ import net.sourceforge.bprocessor.model.Space;
  
  import org.apache.log4j.Logger;
***************
*** 80,84 ****
        } else if (lfile.getName().endsWith(".obj")) {
          try {
!           ImportFileReader.importObjFile(lfile, Project.getInstance().world());
          } catch (Exception ex) {
            log.error("Could not open file: " + lfile, ex);
--- 81,87 ----
        } else if (lfile.getName().endsWith(".obj")) {
          try {
!           Space s = Project.getInstance().world().createUnion(lfile.getName());
!           ImportFileReader.importObjFile(lfile, s);
!           Project.getInstance().world().add(s);
          } catch (Exception ex) {
            log.error("Could not open file: " + lfile, ex);

Index: ImportFileReader.java
===================================================================
RCS file: /cvsroot/bprocessor/gui/src/net/sourceforge/bprocessor/gui/actions/ImportFileReader.java,v
retrieving revision 1.1
retrieving revision 1.2
diff -C2 -d -r1.1 -r1.2
*** ImportFileReader.java	12 Oct 2007 08:00:14 -0000	1.1
--- ImportFileReader.java	12 Oct 2007 10:20:35 -0000	1.2
***************
*** 14,19 ****
--- 14,23 ----
  import java.io.InputStreamReader;
  import java.util.ArrayList;
+ import java.util.HashMap;
+ import java.util.HashSet;
  import java.util.LinkedList;
  import java.util.List;
+ import java.util.Map;
+ import java.util.Set;
  import java.util.StringTokenizer;
  
***************
*** 33,37 ****
    private static Logger log = Logger.getLogger(ImportFileReader.class);
    /**
!    * Importer for the obj format
     * @param f The file to load
     * @param into the space to paste it into
--- 37,63 ----
    private static Logger log = Logger.getLogger(ImportFileReader.class);
    /**
!    * Importer for the obj format that is as follows
!    * # some text
!    *    Line is a comment until the end of the line
!    * v float float float
!    *    A single vertex's geometric position in space. The first vertex listed in 
!    *    the file has index 1, and subsequent vertices are numbered sequentially.
!    * vn float float float
!    *    A normal. The first normal in the file is index 1, and subsequent normals 
!    *    are numbered sequentially.
!    * vt float float
!    *    A texture coordinate. The first texture coordinate in the file is index 1, 
!    *    and subsequent textures are numbered sequentially.
!    * f int int int ...
!    *    or
!    * f int/int int/int int/int . . .
!    *    or
!    * f int/int/int int/int/int int/int/int ...
!    *    A polygonal face. The numbers are indexes into the arrays of vertex positions, 
!    *    texture coordinates, and normals respectively. A number may be omitted if, for 
!    *    example, texture coordinates are not being defined in the model.
!    *    There is no maximum number of vertices that a single polygon may contain. 
!    *    The .obj file specification says that each face must be flat and convex. 
!    *    In JavaView polygonal face may be triangulated. 
     * @param f The file to load
     * @param into the space to paste it into
***************
*** 44,48 ****
        BufferedReader br = new BufferedReader(reader);
        LinkedList<Vertex> verts = new LinkedList<Vertex>();
!       LinkedList<Surface> surfaces = new LinkedList<Surface>();
        int lineNum = 0;
        while (br.ready()) {
--- 70,76 ----
        BufferedReader br = new BufferedReader(reader);
        LinkedList<Vertex> verts = new LinkedList<Vertex>();
!       Set<Edge> edges = new HashSet<Edge>();
!       Set<Surface> surfaces = new HashSet<Surface>();
!       Map<Vertex, Set<Edge>> v2es = new HashMap<Vertex, Set<Edge>>();
        int lineNum = 0;
        while (br.ready()) {
***************
*** 51,78 ****
          String[] lineContent = line.split(" ");
          if (lineContent[0].equals("v")) {
!           verts.add(new Vertex(Double.parseDouble(lineContent[1]), 
                Double.parseDouble(lineContent[2]), 
!               Double.parseDouble(lineContent[3])));
          } else if (lineContent[0].equals("f")) {
!           LinkedList<Edge> edges = new LinkedList<Edge>();
            Vertex cur = null;
!           Vertex first = verts.get(Integer.parseInt(lineContent[1].split("/")[0]));
            Vertex prev = first;
            for (int i = 2; i < lineContent.length; i++) {
!             cur = verts.get(Integer.parseInt(lineContent[i].split("/")[0]));
!             edges.add(new Edge(prev, cur));
              prev = cur;
            }
!           edges.add(new Edge(prev, first));
!           surfaces.add(new Surface(edges));
!         } else if (lineContent[0].equals("#")) {
!           continue;
!         } else {
!           log.error("Did not understand content on line " + lineNum + " containing " + line);
          }
        }
      }
    }
  
    /**
     * Importer for the csv file format
--- 79,136 ----
          String[] lineContent = line.split(" ");
          if (lineContent[0].equals("v")) {
!           Vertex v = new Vertex(Double.parseDouble(lineContent[1]), 
                Double.parseDouble(lineContent[2]), 
!               Double.parseDouble(lineContent[3]));
!           verts.add(v);
!           v2es.put(v, new HashSet<Edge>());
          } else if (lineContent[0].equals("f")) {
!           LinkedList<Edge> edge = new LinkedList<Edge>();
            Vertex cur = null;
!           Vertex first = verts.get(Integer.parseInt(lineContent[1].split("/")[0]) - 1);
            Vertex prev = first;
            for (int i = 2; i < lineContent.length; i++) {
!             cur = verts.get(Integer.parseInt(lineContent[i].split("/")[0]) - 1);
!             Edge e = findEdge(prev, cur, v2es);
!             edge.add(e);
              prev = cur;
            }
!           edge.add(findEdge(prev, first, v2es));
!           surfaces.add(new Surface(edge));
!           edges.addAll(edge);
          }
        }
+       for (Vertex v : verts) {
+         into.add(v);
+       }
+       for (Edge e : edges) {
+         into.add(e);
+       }
+       for (Surface s : surfaces) {
+         into.add(s);
+       }
+       into.changed();
      }
    }
  
+   private static Edge findEdge(Vertex prev, Vertex cur, Map<Vertex, Set<Edge>> v2es) {
+     Edge e = null;
+     Set<Edge> prevEdges = v2es.get(prev);
+     Set<Edge> curEdges = v2es.get(cur);
+     for (Edge edge : prevEdges) {
+       if (curEdges.contains(edge)) {
+         if (e != null) {
+           log.error("Allready found one common " + e + " and now " + edge);
+         }
+         e = edge;
+       }
+     }
+     if (e == null) {
+       e = new Edge(prev, cur);
+       v2es.get(prev).add(e);
+       v2es.get(cur).add(e);
+     }
+     return e;
+   }
+ 
    /**
     * Importer for the csv file format

Thread: [Bprocessor-commit] gui/src/net/sourceforge/bprocessor/gui/actions FileImportActionListener.java, 1

bprocessor-commit