Initial base for orthographic

panels/map2/display/bullseye.js

 function displayBullseye(scope, projection, path) {
 
-    var arc = d3.svg.arc()
-        .innerRadius(5)
-        .outerRadius(10)
-        .startAngle(0) //converting from degs to radians
-        .endAngle(2*Math.PI) //just radians
-
-    var coords = projection([parseFloat(scope.panel.display.bullseye.coord.lon), parseFloat(scope.panel.display.bullseye.coord.lat)]);
+    var degrees = 180 / Math.PI
 
 
     var circle = d3.geo.circle();
@@ -21,7 +15,7 @@ function displayBullseye(scope, projection, path) {
         .datum(function(d) {
             console.log(d);
 
-            return circle.origin([d.lon, d.lat]).angle(1)();
+            return circle.origin([d.lon, d.lat]).angle(1000 / 6371 * degrees)();
         })
         .attr("d", path)
         .attr("class", "arc");

panels/map2/module.js

@@ -40,8 +40,10 @@ angular.module('kibana.map2', [])
                     coord: {
                         lat: 0,
                         lon: 0
+                    }
                 },
-
+                map: {
+                    type: "mercator"
                 }
             },
             displayTabs: ["Geopoints", "Binning", "Choropleth", "Bullseye", "Data"],
@@ -257,9 +259,31 @@ angular.module('kibana.map2', [])
                     /**
                      * D3 and general config section
                      */
-                    var projection = d3.geo.mercator()
+
+                    var projection;
+
+                    if (typeof scope.panel.display.map === 'undefined') {
+                        scope.panel.display.map = {type: 'orthographic'};
+                    }
+
+
+                    if (scope.panel.display.map.type === 'mercator') {
+                        projection = d3.geo.mercator()
                             .translate([width/2, height/2])
                             .scale(scale);
+                    } else if (scope.panel.display.map.type === 'orthographic') {
+                        projection = d3.geo.orthographic()
+                            .scale(248)
+                            .clipAngle(90);
+
+                        var λ = d3.scale.linear()
+                            .domain([0, width])
+                            .range([-180, 180]);
+
+                        var φ = d3.scale.linear()
+                            .domain([0, height])
+                            .range([90, -90]);
+                    }
 
                     var zoom = d3.behavior.zoom()
                         .scaleExtent([1, 8])
@@ -301,6 +325,16 @@ angular.module('kibana.map2', [])
                      * D3 SVG Setup
                      */
 
+                    var ctrlKey = false;
+                    //set up listener for ctrl key
+                    d3.select("body")
+                        .on("keydown", function() {
+                            ctrlKey = d3.event.ctrlKey;
+                        })
+                        .on("keyup", function() {
+                            ctrlKey = d3.event.ctrlKey;
+                        });
+
                     //remove our old svg...is there a better way to update than remove/append?
                     d3.select(elem[0]).select("svg").remove();
 
@@ -342,6 +376,18 @@ angular.module('kibana.map2', [])
 
 
 
+                    if (scope.panel.display.map.type === 'orthographic') {
+                        scope.svg.style("cursor", "move")
+                            .call(d3.behavior.drag()
+                                .origin(function() { var rotate = projection.rotate(); return {x: 2 * rotate[0], y: -2 * rotate[1]}; })
+                                .on("drag", function() {
+                                    if (ctrlKey) {
+                                        projection.rotate([d3.event.x / 2, -d3.event.y / 2, projection.rotate()[2]]);
+                                        scope.svg.selectAll("path").attr("d", path);
+                                    }
+                                }));
+                    }
+
                     /**
                      * Display Options
                      */
@@ -373,6 +419,8 @@ angular.module('kibana.map2', [])
                     }
 
                     function move() {
+
+                        if (!ctrlKey) {
                             var t = d3.event.translate,
                                 s = d3.event.scale;
                             t[0] = Math.min(width / 2 * (s - 1), Math.max(width / 2 * (1 - s), t[0]));
@@ -381,7 +429,8 @@ angular.module('kibana.map2', [])
 
                             scope.panel.display.translate = t;
                             scope.panel.display.scale = s;
-                        scope.g.style("stroke-width", 1 / s).attr("transform", "translate(" + t + ")scale(" + s + ")");
+                            scope.g.style("stroke-width", 1 / s).attr("transform", "translate(" + t + ") scale(" + s + ")");
+                        }
                     }