Examples of com.vividsolutions.jts.operation.distance.GeometryLocation

Package com.vividsolutions.jts.operation.distance

Examples of com.vividsolutions.jts.operation.distance.GeometryLocation

com.vividsolutions.jts.operation.distance.GeometryLocation
Represents the location of a point on a Geometry. Maintains both the actual point location (which may not be exact, if the point is not a vertex) as well as information about the component and segment index where the point occurs. Locations inside area Geometrys will not have an associated segment index, so in this case the segment index will have the sentinel value of {@link #INSIDE_AREA}. @version 1.7

    
    // first test if line intersects polygon
    Coordinate intPt = intersection(poly, line);
    if (intPt != null) {
      updateDistance(0,
          new GeometryLocation(poly.getPolygon(), 0, intPt),
          new GeometryLocation(line, 0, intPt),
          flip
      );
      return;
    }

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      }
      // point is in interior of polygon
      // distance is distance to polygon plane
      double dist = Math.abs(polyPlane.getPlane().orientedDistance(pt));
      updateDistance(dist,
          new GeometryLocation(polyPlane.getPolygon(), 0, pt),
          new GeometryLocation(point, 0, pt),
          flip
      );
    }
    // point is outside polygon, so compute distance to shell linework
    computeMinDistanceLinePoint(shell, point, flip);

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          // TODO: compute closest pts in 3D
          LineSegment seg0 = new LineSegment(coord0[i], coord0[i + 1]);
          LineSegment seg1 = new LineSegment(coord1[j], coord1[j + 1]);
          Coordinate[] closestPt = seg0.closestPoints(seg1);
          updateDistance(dist,
              new GeometryLocation(line0, i, closestPt[0]),
              new GeometryLocation(line1, j, closestPt[1]),
              flip
          );
        }
        if (isDone)  return;
      }

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          lineCoord[i + 1]);
      if (dist < minDistance) {
        LineSegment seg = new LineSegment(lineCoord[i], lineCoord[i + 1]);
        Coordinate segClosestPoint = seg.closestPoint(coord);
        updateDistance(dist,
            new GeometryLocation(line, i, segClosestPoint),
            new GeometryLocation(point, 0, coord),
            flip);
      }
      if (isDone)  return;
    }
  }

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    double dist = CGAlgorithms3D.distance(
        point0.getCoordinate(),
        point1.getCoordinate());
    if (dist < minDistance) {
      updateDistance(dist,
          new GeometryLocation(point0, 0,  point0.getCoordinate()),
          new GeometryLocation(point1, 0,  point1.getCoordinate()),
          flip);
    }
  }

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Related Classes of com.vividsolutions.jts.operation.distance.GeometryLocation

com.vividsolutions.jts.operation.distance3d.Distance3DOp

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