SpatialReference.java

package com.revolsys.record.io.format.esri.gdb.xml.model;

import com.revolsys.geometry.cs.CoordinateSystem;
import com.revolsys.geometry.cs.epsg.EpsgCoordinateSystems;
import com.revolsys.geometry.cs.esri.EsriCoordinateSystems;
import com.revolsys.geometry.model.BoundingBox;
import com.revolsys.geometry.model.GeometryFactory;

public class SpatialReference {

  private static final double FLOATING_SCALE = 11258999068426.238;

  public static SpatialReference get(final GeometryFactory geometryFactory, final String wkt) {
    if (geometryFactory != null) {
      final CoordinateSystem coordinateSystem = geometryFactory.getCoordinateSystem();
      if (coordinateSystem instanceof com.revolsys.geometry.cs.GeographicCoordinateSystem) {
        return new GeographicCoordinateSystem(geometryFactory, wkt);
      } else if (coordinateSystem instanceof com.revolsys.geometry.cs.ProjectedCoordinateSystem) {
        return new ProjectedCoordinateSystem(geometryFactory, wkt);
      }
    }
    return null;
  }

  private CoordinateSystem coordinateSystem;

  private GeometryFactory geometryFactory;

  private boolean highPrecision;

  private int latestWKID;

  private double leftLongitude;

  private double mOrigin;

  private double mScale;

  private double mTolerance;

  private int wkid;

  private String wkt;

  private double xOrigin;

  private double xYScale;

  private double xYTolerance;

  private double yOrigin;

  private double zOrigin;

  private double zScale;

  private double zTolerance;

  public SpatialReference() {
  }

  protected SpatialReference(final GeometryFactory geometryFactory, final String wkt) {
    this.geometryFactory = geometryFactory;
    if (geometryFactory != null) {
      final CoordinateSystem coordinateSystem = geometryFactory.getCoordinateSystem();
      if (coordinateSystem != null) {
        final CoordinateSystem esriCoordinateSystem = EsriCoordinateSystems
          .getCoordinateSystem(coordinateSystem.getCoordinateSystemId());
        if (esriCoordinateSystem != null) {
          final BoundingBox areaBoundingBox = coordinateSystem.getAreaBoundingBox();
          this.wkt = wkt;
          this.xOrigin = areaBoundingBox.getMinX();
          this.yOrigin = areaBoundingBox.getMinY();
          this.xYScale = geometryFactory.getScaleXY();
          if (this.xYScale == 0) {
            if (this instanceof ProjectedCoordinateSystem) {
              this.xYScale = 1000;
            } else {
              this.xYScale = 10000000;
            }
          }
          this.zOrigin = -100000;
          this.zScale = geometryFactory.getScaleZ();
          if (this.zScale == 0) {
            this.zScale = 10000000;
          }
          this.mOrigin = -100000;
          this.mScale = 10000000;
          this.xYTolerance = 1.0 / this.xYScale;
          this.zTolerance = 1.0 / this.zScale;
          this.mTolerance = 1.0 / this.mScale;
          this.highPrecision = true;
          this.wkid = coordinateSystem.getCoordinateSystemId();
        }
      }
    }
  }

  public CoordinateSystem getCoordinateSystem() {
    if (this.coordinateSystem == null) {
      this.coordinateSystem = EpsgCoordinateSystems.getCoordinateSystem(this.latestWKID);
      if (this.coordinateSystem == null) {
        this.coordinateSystem = EpsgCoordinateSystems.getCoordinateSystem(this.wkid);
      }
    }
    return this.coordinateSystem;
  }

  public GeometryFactory getGeometryFactory() {
    if (this.geometryFactory == null) {
      final CoordinateSystem coordinateSystem = getCoordinateSystem();
      int coordinateSystemId;
      if (coordinateSystem == null) {
        coordinateSystemId = 0;
      } else {
        coordinateSystemId = coordinateSystem.getCoordinateSystemId();
      }

      if (this.xYScale == FLOATING_SCALE) {
        this.geometryFactory = GeometryFactory.fixed(coordinateSystemId, 0.0, 0.0, this.zScale);
      } else {
        this.geometryFactory = GeometryFactory.fixed(coordinateSystemId, this.xYScale, this.xYScale,
          this.zScale);
      }
    }
    return this.geometryFactory;
  }

  public int getLatestWKID() {
    return this.latestWKID;
  }

  public double getLeftLongitude() {
    return this.leftLongitude;
  }

  public double getMOrigin() {
    return this.mOrigin;
  }

  public double getMScale() {
    return this.mScale;
  }

  public double getMTolerance() {
    return this.mTolerance;
  }

  public int getWKID() {
    return this.wkid;
  }

  public String getWKT() {
    return this.wkt;
  }

  public double getXOrigin() {
    return this.xOrigin;
  }

  public double getXYScale() {
    return this.xYScale;
  }

  public double getXYTolerance() {
    return this.xYTolerance;
  }

  public double getYOrigin() {
    return this.yOrigin;
  }

  public double getZOrigin() {
    return this.zOrigin;
  }

  public double getZScale() {
    return this.zScale;
  }

  public double getZTolerance() {
    return this.zTolerance;
  }

  public boolean isHighPrecision() {
    return this.highPrecision;
  }

  public void setHighPrecision(final boolean highPrecision) {
    this.highPrecision = highPrecision;
  }

  public void setLatestWKID(final int latestWKID) {
    this.latestWKID = latestWKID;
  }

  public void setLeftLongitude(final double leftLongitude) {
    this.leftLongitude = leftLongitude;
  }

  public void setMOrigin(final double mOrigin) {
    this.mOrigin = mOrigin;
  }

  public void setMScale(final double mScale) {
    this.mScale = mScale;
  }

  public void setMTolerance(final double mTolerance) {
    this.mTolerance = mTolerance;
  }

  public void setWKID(final int wkid) {
    this.wkid = wkid;
  }

  public void setWKT(final String wkt) {
    this.wkt = wkt;
  }

  public void setXOrigin(final double xOrigin) {
    this.xOrigin = xOrigin;
  }

  public void setXYScale(final double xYScale) {
    this.xYScale = xYScale;
  }

  public void setXYTolerance(final double xYTolerance) {
    this.xYTolerance = xYTolerance;
  }

  public void setYOrigin(final double yOrigin) {
    this.yOrigin = yOrigin;
  }

  public void setZOrigin(final double zOrigin) {
    this.zOrigin = zOrigin;
  }

  public void setZScale(final double zScale) {
    this.zScale = zScale;
  }

  public void setZTolerance(final double zTolerance) {
    this.zTolerance = zTolerance;
  }

  @Override
  public String toString() {
    return this.wkt;
  }
}