Package de.lmu.ifi.dbs.elki.data.spatial

Examples of de.lmu.ifi.dbs.elki.data.spatial.Polygon

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        }
        catch(ObjectNotFoundException e) {
          // ignore
        }
      }
      Polygon chres = hull.getHull();
      if(chres != null && chres.size() >= 3) {
        SVGPath path = new SVGPath(chres);

        Element selHull = path.makeElement(svgp);
        SVGUtil.addCSSClass(selHull, SELECTEDHULL);
        // TODO: use relative selection size for opacity?
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      for(DBID clpnum : ids) {
        double[] projP = proj.fastProjectDataToRenderSpace(rel.get(clpnum).getColumnVector());
        hull.add(new Vector(projP));
      }
      Polygon chres = hull.getHull();

      // Plot the convex hull:
      if(chres != null) {
        SVGPath path = new SVGPath(chres);
        // Approximate area (using bounding box)
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        }
        if(drawStyle != 0 || eps.size() == 2) {
          drawSphere2D(cnum, cent, pc);
        }
        else {
          Polygon chres = makeHullComplex(pc);
          drawHullLines(cnum, cent, chres);
        }
      }
    }
  }
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    }
    diag.timesEquals(1.0 / Math.sqrt(pc.length));
    hull.add(diag);
    hull.add(diag.times(-1));

    Polygon chres = hull.getHull();
    return chres;
  }
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      diag.plusEquals(pc[j]);
    }
    diag.timesEquals(1.0 / Math.sqrt(pc.length));
    hull.add(diag);
    hull.add(diag.times(-1));
    Polygon chres = hull.getHull();
    return chres;
  }
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        }
        if(drawStyle != 0 || eps.size() == 2) {
          drawSphere2D(cnum, cent, pc);
        }
        else {
          Polygon chres = makeHullComplex(pc);
          drawHullLines(cnum, cent, chres);
        }
      }
    }
  }
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    }
    diag.timesEquals(1.0 / Math.sqrt(pc.length));
    hull.add(diag);
    hull.add(diag.times(-1));

    Polygon chres = hull.getHull();
    return chres;
  }
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      diag.plusEquals(pc[j]);
    }
    diag.timesEquals(1.0 / Math.sqrt(pc.length));
    hull.add(diag);
    hull.add(diag.times(-1));
    Polygon chres = hull.getHull();
    return chres;
  }
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        for(DBID clpnum : ids) {
          double[] projP = proj.fastProjectDataToRenderSpace(rel.get(clpnum));
          hull.add(new Vector(projP));
        }
        Polygon chres = hull.getHull();

        // Plot the convex hull:
        if(chres != null && chres.size() > 1) {
          SVGPath path = new SVGPath(chres);
          // Approximate area (using bounding box)
          double hullarea = SpatialUtil.volume(chres);
          final double relativeArea = (projarea - hullarea) / projarea;
          final double relativeSize = (double) ids.size() / rel.size();
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        }
        catch(ObjectNotFoundException e) {
          // ignore
        }
      }
      Polygon chres = hull.getHull();
      if(chres != null && chres.size() >= 3) {
        SVGPath path = new SVGPath(chres);

        Element selHull = path.makeElement(svgp);
        SVGUtil.addCSSClass(selHull, SELECTEDHULL);
        // TODO: use relative selection size for opacity?
View Full Code Here
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Related Classes of de.lmu.ifi.dbs.elki.data.spatial.Polygon

  • de.lmu.ifi.dbs.elki.datasource.parser.SimplePolygonParser
  • de.lmu.ifi.dbs.elki.math.ConvexHull2D
  • de.lmu.ifi.dbs.elki.math.geometry.AlphaShape
  • de.lmu.ifi.dbs.elki.math.geometry.GrahamScanConvexHull2D
  • de.lmu.ifi.dbs.elki.math.geometry.SweepHullDelaunay2D
  • de.lmu.ifi.dbs.elki.math.linearalgebra.Vector
  • de.lmu.ifi.dbs.elki.visualization.visualizers.scatterplot.cluster.ClusterHullVisualization
  • de.lmu.ifi.dbs.elki.visualization.visualizers.scatterplot.cluster.EMClusterVisualization
  • de.lmu.ifi.dbs.elki.visualization.visualizers.scatterplot.selection.SelectionConvexHullVisualization
  • de.lmu.ifi.dbs.elki.visualization.visualizers.vis2d.ClusterConvexHullVisualization
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