From ace45f1ce4960527c6dc1188b322ca5f0a5ed397 Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@eclectronics.org>
Date: Wed, 22 Feb 2012 17:15:09 +0000
Subject: trying great circles

---
 vodaviz.pde | 103 +++---------------------------------------------------------
 1 file changed, 4 insertions(+), 99 deletions(-)

(limited to 'vodaviz.pde')

diff --git a/vodaviz.pde b/vodaviz.pde
index 89d82d1..368d2c8 100644
--- a/vodaviz.pde
+++ b/vodaviz.pde
@@ -94,102 +94,7 @@ cache points!
 import processing.pdf.*;
 import geomerative.*;
 
-float log10 (float x) {
-  return (log(x) / log(10));
-}
-class pointNormalise {
-  //take pixel coords and turn into lat/lng radians
-  float xo,xs,yo,ys;
-  pointNormalise(float _xo,float _xs,float _yo,float _ys) {
-    xo=_xo;
-    xs=_xs;
-    yo=_yo;
-    ys=_ys;
-  }
-  RPoint alise(RPoint p) {
-        //normalise
-        float px=(((p.x-xo)/xs)-0.5)*PI*2; //26)/736);
-        float py=(((p.y-yo)/ys)-0.5)*PI; //90)/390);
-        
-        return new RPoint(px,py);
-  }
-}
-
-class pointTransform  {
-  
-  RPoint form(RPoint in) {
-    //transform
-    return new RPoint (((in.x*0.053)+(PI/2)-.01),((in.y)*0.14)+(PI/2)-.1); //front half of sphere
-  }
-  
-}
-
-class sphereMap {
-        
-    RPoint per(RPoint p,float _r) {
-        
-
-        //map to 3D sphere
-        float r=getHeight()*_r;
-        float x=r*cos(p.x)*(sin(p.y)) *4;
-        float z=r*sin(p.x)*(sin(p.y)) -985;
-        float y=r*cos(p.y)+(getHeight()*1)-330;  
-        
-        //camera at 0,0,0 
-        //screen plane at 0,0,100
-        //(dx-ex)(ez/dz)
-        //(dy-ey)(ez/dz)
-        
-        //rotate camera
-        
-        //transform into 2D plane @100
-
-        return new RPoint(x*(100/z),y*(100/z));
-    }
-}
-
-RPoint screenMapper(RPoint p) {
-    p.x=((p.x*getWidth())/(PI*2))+(getWidth()/2);
-    p.y=((p.y*getHeight())/PI)+(getHeight()/2);
-    return p;
-}
 
-RPoint plerp(RPoint s,RPoint e,float a) {
-  return new RPoint(lerp(s.x,e.x,a),lerp(s.y,e.y,a));
-}
-
-float GSphereDist(RPoint p1,RPoint p2) {
-  return acos(sin(p1.y)*sin(p2.y)+cos(p1.y)*cos(p2.y)*cos(p1.x-p2.x));
-}
-
-RPoint GCircFract(RPoint sp,RPoint ep,float f) {
-        float d=GSphereDist(sp,ep);
-        float A=sin((1-f)*d)/sin(d);
-        float B=sin(f*d)/sin(d);
-        float x = A*cos(sp.y)*cos(sp.x) +  B*cos(ep.y)*cos(ep.x);
-        float y = A*cos(sp.y)*sin(sp.x) +  B*cos(ep.y)*sin(ep.x);
-        float z = A*sin(sp.y)           +  B*sin(ep.y);
-        return new RPoint(atan2(y,x),atan2(z,sqrt(pow(x,2)+pow(y,2))));
-}
-void ellipse3d(RPoint pos,float s,float r){
-  //take ellipse coord in UV space
-  //return in 3d globe space
-  float er=s*0.5;
-  curveTightness(-0.67);
-  RPoint s1=smap.per(new RPoint(pos.x-er,pos.y),r);
-  RPoint s2=smap.per(new RPoint(pos.x,pos.y-er),r);
-  RPoint s3=smap.per(new RPoint(pos.x+er,pos.y),r);
-  RPoint s4=smap.per(new RPoint(pos.x,pos.y+er),r);
-  beginShape();
-    curveVertex(s1.x+hw, s1.y+hh);
-    curveVertex(s2.x+hw, s2.y+hh);
-    curveVertex(s3.x+hw, s3.y+hh);
-    curveVertex(s4.x+hw, s4.y+hh);
-    curveVertex(s1.x+hw, s1.y+hh);
-    curveVertex(s2.x+hw, s2.y+hh);
-    curveVertex(s3.x+hw, s3.y+hh);
-  endShape();
-}
 
 RShape shp;
 pointNormalise pnorm;
@@ -203,7 +108,7 @@ calldata calls;
 
 bitmapcountry Ireland;
 bezierstroke bstroke;
-linear3D gstroke;
+greatcirclestroke3D gstroke;
 
 float hw,hh;
 
@@ -214,7 +119,7 @@ void setup(){
   println("vodaviz v0.6");
   RG.init(this);
 
-  mode="PDF";
+  //mode="PDF";
   if (mode=="PDF") size(832,220,PDF, "vodaviz_lines_220212.pdf"); //P3D); //832,220); //nb pdf is 800x600
   else size(832,220); //,PDF, "testoutput.pdf"); //P3D); //832,220); //nb pdf is 800x600
   
@@ -249,7 +154,7 @@ void setup(){
   float[] transpos={0.0,0.25,0.75,1.0};
   float[] transamt={1.0,1.0,1.0,1.0}; //{0.5,0.05,0.05,0.5};
   color col=color(0,0,0);
-  gstroke=new linear3D(startsize,col,smap);
+  gstroke=new greatcirclestroke3D(startsize,transpos,transamt,col,smap);
   
   RG.ignoreStyles();
   println("loaded svg in "+((millis()-m)*.001)+" seconds");
@@ -370,7 +275,7 @@ void draw() {
          
           if (true) { //draw gradient 3D lines
           if (calls.countries.get(i).points.size()>0) {
-            for (int j=0;j<log10(calls.countries.get(i).calls)*15;j++) {
+            for (int j=0;j<log10(calls.countries.get(i).calls)*1;j++) { //was *15
               weightedpixel px=calls.countries.get(i).getpixel();
               RPoint Sp=ptrans.form(pnorm.alise(px.randompt(5.0)));
               RPoint Ep=ptrans.form(pnorm.alise(Ireland.getpoint()));
-- 
cgit v1.2.3