/** {@inheritDoc} */
public double limitZoom(View view, double value)
{
if (view == null)
{
String message = Logging.getMessage("nullValue.ViewIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
double minZoom = this.minZoom;
double maxZoom = this.maxZoom;
if (this.is2DGlobe(view.getGlobe())) // limit zoom to ~360 degrees of visible longitude on 2D globes
{
double max2DZoom = Math.PI * view.getGlobe().getEquatorialRadius() / view.getFieldOfView().tanHalfAngle();
if (minZoom > max2DZoom)
{
minZoom = max2DZoom;
}
if (maxZoom > max2DZoom)
{
maxZoom = max2DZoom;
}
}
return(WWMath.clamp(value, minZoom, maxZoom));
}
protected BufferedImageRaster chooseRasterForCanvas(BufferedImageRaster canvas)
{
int level = this.computeMipmapLevel(
this.getWidth(), this.getHeight(), this.getSector(),
canvas.getWidth(), canvas.getHeight(), canvas.getSector());
int maxLevel = this.levelRasters.length - 1;
level = (int)WWMath.clamp(level, 0, maxLevel);
return(this.levelRasters[level]);
}
/** {@inheritDoc} */
public Position limitCenterPosition(View view, Position position)
{
if (view == null)
{
String message = Logging.getMessage("nullValue.ViewIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
if (position == null)
{
String message = Logging.getMessage("nullValue.PositionIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
Sector sector = this.centerLocationLimits;
Angle lat = Angle.clamp(position.latitude, sector.getMinLatitude(), sector.getMaxLatitude());
Angle lon = Angle.clamp(position.longitude, sector.getMinLongitude(), sector.getMaxLongitude());
double alt = WWMath.clamp(position.elevation, this.minCenterElevation, this.maxCenterElevation);
return(new Position(lat, lon, alt));
}
