TriSplay.java

/* @file TriSplay.java
 *
 * @author marco corvi
 * @date nov 2011
 *
 * @brief TopoDroid centerline computationi: temporary splay shot
 * --------------------------------------------------------
 *  Copyright This sowftare is distributed under GPL-3.0 or later
 *  See the file COPYING.
 * --------------------------------------------------------
 */
package com.topodroid.DistoX;

public class TriSplay
{
  boolean used;
  public String from;   // splay station (usually "from")
  public int extend;
  public int reversed;  // -1 reversed, +1 normal 
                        // NOTE splay temp-shot can be reversed - leg temp-shot are always normal
                        // this is checked only in makeShotFromTmp to detect errors
  public DistoXDBlock block;

  public TriSplay( DistoXDBlock blk, String f, int e, int r )
  { 
    used = false;
    from = f;
    extend = e;
    reversed = r;
    block = blk;
  }

  float d() { return block.mLength; }

  float b( float decl )
  {
    if ( reversed == 1 ) return block.mBearing + decl ;
    float ret = block.mBearing + decl + 180;
    if ( ret >= 360 ) ret -= 360;
    return ret;
  }

  float c() { return reversed * block.mClino; }
}