Commit 04682dbd authored by Calvin Metcalf's avatar Calvin Metcalf
Browse files

sterea done

parent 46358b6a

src/projCode/sterea.js

+7 −5
Original line number Diff line number Diff line
@@ -3,7 +3,7 @@ proj4.Proj.sterea = { 
  dependsOn : 'gauss',



  init : function() {

    proj4.Proj['gauss'].init.apply(this);

    proj4.Proj.gauss.init.apply(this);

    if (!this.rc) {

      proj4.reportError("sterea:init:E_ERROR_0");

      return;
@@ -11,13 +11,15 @@ proj4.Proj.sterea = { 
    this.sinc0 = Math.sin(this.phic0);

    this.cosc0 = Math.cos(this.phic0);

    this.R2 = 2.0 * this.rc;

    if (!this.title) this.title = "Oblique Stereographic Alternative";

    if (!this.title){

      this.title = "Oblique Stereographic Alternative";

    }

  },



  forward : function(p) {

    var sinc, cosc, cosl, k;

    p.x = proj4.common.adjust_lon(p.x-this.long0); /* adjust del longitude */

    proj4.Proj['gauss'].forward.apply(this, [p]);

    proj4.Proj.gauss.forward.apply(this, [p]);

    sinc = Math.sin(p.y);

    cosc = Math.cos(p.y);

    cosl = Math.cos(p.x);
@@ -44,12 +46,12 @@ proj4.Proj.sterea = { 
      lon = Math.atan2(p.x * sinc, rho * this.cosc0 * cosc - p.y * this.sinc0 * sinc);

    } else {

      lat = this.phic0;

      lon = 0.;

      lon = 0.0;

    }



    p.x = lon;

    p.y = lat;

    proj4.Proj['gauss'].inverse.apply(this,[p]);

    proj4.Proj.gauss.inverse.apply(this,[p]);

    p.x = proj4.common.adjust_lon(p.x + this.long0); /* adjust longitude to CM */

    return p;

  }