cdm/src/main/java/ucar/nc2/ft2/coverage/adapter/DtCoverageCS.java
public ProjectionRect getBoundingBox() {
    if (mapArea == null) {

      CoordinateAxis horizXaxis = getXHorizAxis();
      CoordinateAxis horizYaxis = getYHorizAxis();
      if ((horizXaxis == null) || !horizXaxis.isNumeric() || (horizYaxis == null) || !horizYaxis.isNumeric())
        return null; // impossible

      // x,y may be 2D
      if ((horizXaxis instanceof CoordinateAxis2D) && (horizYaxis instanceof CoordinateAxis2D)) {
        // could try to optimize this - just get corners or something
        CoordinateAxis2D xaxis2 = (CoordinateAxis2D) horizXaxis;
        CoordinateAxis2D yaxis2 = (CoordinateAxis2D) horizYaxis;

        mapArea = null; // getBBfromCorners(xaxis2, yaxis2);  LOOK LOOK

        // mapArea = new ProjectionRect(horizXaxis.getMinValue(), horizYaxis.getMinValue(),
        //         horizXaxis.getMaxValue(), horizYaxis.getMaxValue());

      } else {

        CoordinateAxis1D xaxis1 = (CoordinateAxis1D) horizXaxis;
        CoordinateAxis1D yaxis1 = (CoordinateAxis1D) horizYaxis;

        /* add one percent on each side if its a projection. WHY?
        double dx = 0.0, dy = 0.0;
        if (!isLatLon()) {
          dx = .01 * (xaxis1.getCoordEdge((int) xaxis1.getSize()) - xaxis1.getCoordEdge(0));
          dy = .01 * (yaxis1.getCoordEdge((int) yaxis1.getSize()) - yaxis1.getCoordEdge(0));
        }

        mapArea = new ProjectionRect(xaxis1.getCoordEdge(0) - dx, yaxis1.getCoordEdge(0) - dy,
            xaxis1.getCoordEdge((int) xaxis1.getSize()) + dx,
            yaxis1.getCoordEdge((int) yaxis1.getSize()) + dy); */

        mapArea = new ProjectionRect(xaxis1.getCoordEdge(0), yaxis1.getCoordEdge(0),
                xaxis1.getCoordEdge((int) xaxis1.getSize()),
                yaxis1.getCoordEdge((int) yaxis1.getSize()));
      }
    }

    return mapArea;
  }
public ProjectionRect getBoundingBox() {
    if (mapArea == null) {

      CoordinateAxis horizXaxis = getXHorizAxis();
      CoordinateAxis horizYaxis = getYHorizAxis();
      if ((horizXaxis == null) || !horizXaxis.isNumeric() || (horizYaxis == null) || !horizYaxis.isNumeric())
        return null; // impossible

      // x,y may be 2D
      if ((horizXaxis instanceof CoordinateAxis2D) && (horizYaxis instanceof CoordinateAxis2D)) {
        // could try to optimize this - just get corners or something
        CoordinateAxis2D xaxis2 = (CoordinateAxis2D) horizXaxis;
        CoordinateAxis2D yaxis2 = (CoordinateAxis2D) horizYaxis;

        mapArea = null; // getBBfromCorners(xaxis2, yaxis2);  LOOK LOOK

        // mapArea = new ProjectionRect(horizXaxis.getMinValue(), horizYaxis.getMinValue(),
        //         horizXaxis.getMaxValue(), horizYaxis.getMaxValue());

      } else {

        CoordinateAxis1D xaxis1 = (CoordinateAxis1D) horizXaxis;
        CoordinateAxis1D yaxis1 = (CoordinateAxis1D) horizYaxis;

        /* add one percent on each side if its a projection. WHY?
        double dx = 0.0, dy = 0.0;
        if (!isLatLon()) {
          dx = .01 * (xaxis1.getCoordEdge((int) xaxis1.getSize()) - xaxis1.getCoordEdge(0));
          dy = .01 * (yaxis1.getCoordEdge((int) yaxis1.getSize()) - yaxis1.getCoordEdge(0));
        }

        mapArea = new ProjectionRect(xaxis1.getCoordEdge(0) - dx, yaxis1.getCoordEdge(0) - dy,
            xaxis1.getCoordEdge((int) xaxis1.getSize()) + dx,
            yaxis1.getCoordEdge((int) yaxis1.getSize()) + dy); */

        mapArea = new ProjectionRect(xaxis1.getCoordEdge(0), yaxis1.getCoordEdge(0),
                xaxis1.getCoordEdge((int) xaxis1.getSize()),
                yaxis1.getCoordEdge((int) yaxis1.getSize()));
      }
    }

    return mapArea;
  }
Get the x,y bounding box in projection coordinates.