diff --git a/photo-sphere-viewer.js b/photo-sphere-viewer.js
index b047b4193..03ab35f82 100644
--- a/photo-sphere-viewer.js
+++ b/photo-sphere-viewer.js
@@ -1,5 +1,5 @@
 /*
- * Photo Sphere Viewer v2.4
+ * Photo Sphere Viewer v2.4.1
  * http://jeremyheleine.me/photo-sphere-viewer
  *
  * Copyright (c) 2014,2015 Jérémy Heleine
@@ -150,11 +150,13 @@ var PhotoSphereViewer = function(args) {
 	 * Returns the measure of an angle (between 0 and 2π).
 	 * @private
 	 * @param {number} angle - The angle to reduce
+	 * @param {boolean} [is_2pi_allowed=false] - Can the measure be equal to 2π?
 	 * @return {number} The wanted measure
 	 **/
 
-	var getAngleMeasure = function(angle) {
-		return angle - Math.floor(angle / (2.0 * Math.PI)) * 2.0 * Math.PI;
+	var getAngleMeasure = function(angle, is_2pi_allowed) {
+		is_2pi_allowed = (is_2pi_allowed !== undefined) ? !!is_2pi_allowed : false;
+		return (is_2pi_allowed && angle == 2 * Math.PI) ? 2 * Math.PI :  angle - Math.floor(angle / (2.0 * Math.PI)) * 2.0 * Math.PI;
 	};
 
 	/**
@@ -581,7 +583,7 @@ var PhotoSphereViewer = function(args) {
 
 		var again = true;
 
-		if (PSV_MIN_LONGITUDE != PSV_MAX_LONGITUDE) {
+		if (!whole_circle) {
 			long = stayBetween(long, PSV_MIN_LONGITUDE, PSV_MAX_LONGITUDE);
 
 			if (long == PSV_MIN_LONGITUDE || long == PSV_MAX_LONGITUDE) {
@@ -596,7 +598,7 @@ var PhotoSphereViewer = function(args) {
 			}
 		}
 
-		long = getAngleMeasure(long);
+		long = getAngleMeasure(long, true);
 
 		render();
 
@@ -744,7 +746,7 @@ var PhotoSphereViewer = function(args) {
 	var moveTo = function(longitude, latitude) {
 		var long_tmp = parseAngle(longitude);
 
-		if (PSV_MIN_LONGITUDE != PSV_MAX_LONGITUDE)
+		if (!whole_circle)
 			long_tmp = stayBetween(long_tmp, PSV_MIN_LONGITUDE, PSV_MAX_LONGITUDE);
 
 		var lat_tmp = parseAngle(latitude);
@@ -912,10 +914,10 @@ var PhotoSphereViewer = function(args) {
 		if (mousedown) {
 			long += (x - mouse_x) * PSV_LONG_OFFSET;
 
-			if (PSV_MIN_LONGITUDE != PSV_MAX_LONGITUDE)
+			if (!whole_circle)
 				long = stayBetween(long, PSV_MIN_LONGITUDE, PSV_MAX_LONGITUDE);
 
-			long = getAngleMeasure(long);
+			long = getAngleMeasure(long, true);
 
 			lat += (y - mouse_y) * PSV_LAT_OFFSET;
 			lat = stayBetween(lat, PSV_TILT_DOWN_MAX, PSV_TILT_UP_MAX);
@@ -1340,14 +1342,29 @@ var PhotoSphereViewer = function(args) {
 	var PSV_TILT_UP_MAX = (args.tilt_up_max !== undefined) ? stayBetween(parseAngle(args.tilt_up_max), 0, Math.PI / 2.0) : Math.PI / 2.0;
 	var PSV_TILT_DOWN_MAX = (args.tilt_down_max !== undefined) ? -stayBetween(parseAngle(args.tilt_down_max), 0, Math.PI / 2.0) : -Math.PI / 2.0;
 
-	// Minimum and maximum visible longitudes ((min = max) => whole circle)
-	var PSV_MIN_LONGITUDE = (args.min_longitude !== undefined) ? parseAngle(args.min_longitude) : 0;
-	var PSV_MAX_LONGITUDE = (args.max_longitude !== undefined) ? parseAngle(args.max_longitude) : 0;
+	// Minimum and maximum visible longitudes
+	var min_long = (args.min_longitude !== undefined) ? parseAngle(args.min_longitude) : 0;
+	var max_long = (args.max_longitude !== undefined) ? parseAngle(args.max_longitude) : 0;
 
-	if (PSV_MAX_LONGITUDE < PSV_MIN_LONGITUDE) {
-		var long_tmp = PSV_MIN_LONGITUDE;
-		PSV_MIN_LONGITUDE = PSV_MAX_LONGITUDE;
-		PSV_MAX_LONGITUDE = long_tmp;
+	var whole_circle = (min_long == max_long);
+
+	if (whole_circle) {
+		min_long = 0;
+		max_long = 2 * Math.PI;
+	}
+
+	else if (max_long == 0)
+		max_long = 2 * Math.PI;
+
+	var PSV_MIN_LONGITUDE, PSV_MAX_LONGITUDE;
+	if (min_long < max_long) {
+		PSV_MIN_LONGITUDE = min_long;
+		PSV_MAX_LONGITUDE = max_long;
+	}
+
+	else {
+		PSV_MIN_LONGITUDE = max_long;
+		PSV_MAX_LONGITUDE = min_long;
 	}
 
 	// Default position
diff --git a/photo-sphere-viewer.min.js b/photo-sphere-viewer.min.js
index d5a51f27e..f05e9a96f 100644
--- a/photo-sphere-viewer.min.js
+++ b/photo-sphere-viewer.min.js
@@ -1 +1 @@
-var PhotoSphereViewer=function(e){var t=function(){var e=document.createElement("canvas");return!(!e.getContext||!e.getContext("2d"))},n=function(){var e=document.createElement("canvas");return!(!window.WebGLRenderingContext||!e.getContext("webgl"))},o=function(e,t,n){e.addEventListener?e.addEventListener(t,n,!1):e.attachEvent("on"+t,n)},i=function(e,t,n){return Math.max(t,Math.min(n,e))},r=function(e,t,n,o){var i=n-e,r=o-t;return i*i+r*r},a=function(e){return e-2*Math.floor(e/(2*Math.PI))*Math.PI};this.load=function(){if(ve.innerHTML="",De&&1===De.nodeType)ve.appendChild(De);else if(De&&"string"==typeof De)ve.innerHTML=De;else if(Le){var e=document.createElement("img");e.setAttribute("src",Le),e.setAttribute("alt",Ae),ve.appendChild(e)}else ve.textContent=Ae;return be=document.createElement("div"),be.style.width="100%",be.style.height="100%",be.style.position="relative",be.style.overflow="hidden",t()?void 0===window.THREE?void console.log("PhotoSphereViewer: Three.js is not 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i=o/Math.abs(o);F(ne+i),Ie=n}}},R=function(e,t){Se&&(ee+=(e-ze)*q,K!=Z&&(ee=i(ee,K,Z)),ee=a(ee),Q+=(t-Te)*V,Q=i(Q,U,j),ze=e,Te=t,h())},I=function(){Pe.start(),f(),$("device-orientation",!0)},M=function(){Pe.stop(),$("device-orientation",!1)};this.toggleDeviceOrientation=function(){Pe.isEventAttached()?M():I()};var H=function(e){ee=i(e.longitude,K,Z),Q=i(e.latitude,U,j),h()},P=function(e){e.preventDefault(),e.stopPropagation();var t=e.detail?-e.detail:e.wheelDelta;if(0!=t){var n=parseInt(t/Math.abs(t));F(ne+n)}},F=function(e){ne=i(parseInt(Math.round(e)),0,100),_e.fov=Y+ne/100*(G-Y),_e.updateProjectionMatrix(),h(),$("zoom-updated",ne)};this.zoom=function(e){F(e)},this.zoomIn=function(){100>ne&&F(ne+1)},this.zoomOut=function(){ne>0&&F(ne-1)};var 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D=function(){ge&&pe.show()},X=function(e){e=e.toString().trim();var t=parseFloat(e.replace(/^(-?[0-9]+(?:\.[0-9]*)?).*$/,"$1")),n=e.replace(/^-?[0-9]+(?:\.[0-9]*)?(.*)$/,"$1").trim();n.match(/(pm|per minute)$/)&&(t/=60);var o=0;switch(n){case"rpm":case"rev per minute":case"revolutions per minute":case"rps":case"rev per second":case"revolutions per second":o=2*t*Math.PI;break;case"dpm":case"deg per minute":case"degrees per minute":case"dps":case"deg per second":case"degrees per second":o=t*Math.PI/180;break;case"rad per minute":case"radians per minute":case"rad per second":case"radians per second":o=t;break;default:m_anim=!1}return o*ae/1e3},W=function(e){e=e.toString().trim();var t=parseFloat(e.replace(/^(-?[0-9]+(?:\.[0-9]*)?).*$/,"$1")),n=e.replace(/^-?[0-9]+(?:\.[0-9]*)?(.*)$/,"$1").trim();return"deg"==n&&(t*=Math.PI/180),a(t)},N=function(e){for(dim in e)if("width"==dim||"height"==dim){var t=e[dim].toString().trim(),n=parseFloat(t.replace(/^([0-9]+(?:\.[0-9]*)?).*$/,"$1")),o=t.replace(/^[0-9]+(?:\.[0-9]*)?(.*)$/,"$1").trim();"%"!=o&&(o="px"),be[dim]={css:n+o,unit:o}}};this.addAction=function(e,t){e in Oe||(Oe[e]=[]),Oe[e].push(t)};var $=function(e,t){if(e in Oe&&Oe[e].length)for(var n=0,o=Oe[e].length;o>n;++n)void 0!==t?Oe[e][n](t):Oe[e][n]()};if(void 0===e||void 0===e.panorama||void 0===e.container)return void console.log("PhotoSphereViewer: no value given for panorama or container");var q=void 0!==e.long_offset?parseFloat(e.long_offset):Math.PI/360,V=void 0!==e.lat_offset?parseFloat(e.lat_offset):Math.PI/180,G=void 0!==e.min_fov?i(parseFloat(e.min_fov),1,179):30,Y=void 0!==e.max_fov?i(parseFloat(e.max_fov),1,179):90,j=void 0!==e.tilt_up_max?i(W(e.tilt_up_max),0,Math.PI/2):Math.PI/2,U=void 0!==e.tilt_down_max?-i(W(e.tilt_down_max),0,Math.PI/2):-Math.PI/2,K=void 0!==e.min_longitude?W(e.min_longitude):0,Z=void 0!==e.max_longitude?W(e.max_longitude):0,J=K==Z;J?(K=0,Z=2*Math.PI):0==Z&&(Z=2*Math.PI);var Q,ee;Z>K?(Q=K,ee=Z):(Q=Z,ee=K);var te=0,ne=Q;if(void 0!==e.default_position){if(void 0!==e.default_position.lat){var oe=W(e.default_position.lat);oe>Math.PI&&(oe-=2*Math.PI),te=i(oe,U,j)}void 0!==e.default_position["long"]&&(ne=i(W(e.default_position["long"]),Q,ee))}var ie=0;void 0!==e.zoom_level&&(ie=i(parseInt(Math.round(e.zoom_level)),0,100));var re=60,ae=1e3/re,se=2e3;void 0!==e.time_anim&&(se="number"==typeof e.time_anim&&e.time_anim>=0?e.time_anim:!1);var le=X(void 0!==e.anim_speed?e.anim_speed:"2rpm"),de=!0;void 0!==e.reverse_anim&&(de=!!e.reverse_anim);var ce=X(void 0!==e.vertical_anim_speed?e.vertical_anim_speed:"2rpm"),ue=0;if(void 0!==e.vertical_anim_target){var he=W(e.vertical_anim_target);he>Math.PI&&(he-=2*Math.PI),ue=i(he,U,j)}var pe=new PSVNavBar(this),ge=void 0!==e.navbar?!!e.navbar:!1,me=void 0!==e.navbar_style?e.navbar_style:{},ve=void 0!==e.allow_user_interactions?!!e.allow_user_interactions:!0;ve||(ge=!1);var ye,fe=e.container,be={},xe={};void 0!==e.size&&N(e.size);var we,Ce,ke=e.panorama,_e=null,Ee=null,Se=null,ze=null,Te=!1,Re=0,Ie=0,Me=!1,Pe=0,He=null,Fe=null,Be=new Sphoords,Oe={},Ae=void 0!==e.usexmpdata?!!e.usexmpdata:!0,Le={full_width:null,full_height:null,cropped_width:null,cropped_height:null,cropped_x:null,cropped_y:null};if(void 0!==e.pano_size){for(attr in Le)void 0!==e.pano_size[attr]&&(Le[attr]=parseInt(e.pano_size[attr]));Ae=!1}var De=void 0!==e.loading_msg?e.loading_msg.toString():"Loading…",Xe=void 0!==e.loading_img?e.loading_img.toString():null,We=void 0!==e.loading_html?e.loading_html:null;void 0!==e.onready&&this.addAction("ready",e.onready);var Ne=void 0!==e.autoload?!!e.autoload:!0;Ne&&this.load()},PSVNavBar=function(e){var t=function(e,t){for(var n=0,o=t.length;o>n;++n)if(t[n]==e)return!0;return!1},n=function(e,n){return t(e,h)&&"string"==typeof n&&("transparent"==n||!!n.match(/^#([0-9A-Fa-f]{3}|[0-9A-Fa-f]{6})$/)||!!n.match(/^rgb\((1?[0-9]{1,2}|2[0-4][0-9]|25[0-5])(,\s*(1?[0-9]{1,2}|2[0-4][0-9]|25[0-5])){2}\)$/)||!!n.match(/^rgba\(((1?[0-9]{1,2}|2[0-4][0-9]|25[0-5]),\s*){3}(0(\.[0-9]*)?|1)\)$/))||t(e,p)&&!isNaN(parseFloat(n))&&isFinite(n)&&n>=0};this.setStyle=function(e){for(property in e)property in u&&n(property,e[property])&&(u[property]=e[property])},this.create=function(){r=document.createElement("div"),r.style.backgroundColor=u.backgroundColor,r.style.position="absolute",r.style.zIndex=10,r.style.bottom=0,r.style.width="100%",r.style.boxSizing="content-box",r.style.transition="bottom 0.4s ease-out",a=new PSVNavBarButton(e,"autorotate",u),r.appendChild(a.getButton()),s=new PSVNavBarButton(e,"zoom",u),r.appendChild(s.getButton()),l=new PSVNavBarButton(e,"fullscreen",u),r.appendChild(l.getButton()),Sphoords.isDeviceOrientationSupported&&(d=new PSVNavBarButton(e,"orientation",u),r.appendChild(d.getButton()),c=new PSVNavBarButton(e,"virtual-reality",u),r.appendChild(c.getButton()))},this.getBar=function(){return r};var o=function(){g&&(clearTimeout(g),!m&&v&&(g=setTimeout(i,5e3))),m&&(r.style.bottom=0,m=!1,v&&(g=setTimeout(i,5e3)))};this.show=function(){o()};var i=function(){m||(r.style.bottom=-r.offsetHeight+1+"px",m=!0)};this.hide=function(){i()},this.isHidden=function(){return m},this.mustBeHidden=function(e){v=void 0!==e?!!e:!0,v?i():o()};var r,a,s,l,d,c,u={backgroundColor:"rgba(61, 61, 61, 0.5)",buttonsColor:"rgba(255, 255, 255, 0.7)",buttonsBackgroundColor:"transparent",activeButtonsBackgroundColor:"rgba(255, 255, 255, 0.1)",buttonsHeight:20,autorotateThickness:1,zoomRangeWidth:50,zoomRangeThickness:1,zoomRangeDisk:7,fullscreenRatio:4/3,fullscreenThickness:2,gyroscopeThickness:1,virtualRealityRatio:4/3,virtualRealityBorderRadius:2},h=["backgroundColor","buttonsColor","buttonsBackgroundColor","activeButtonsBackgroundColor"],p=["buttonsHeight","autorotateThickness","zoomRangeWidth","zoomRangeThickness","zoomRangeDisk","fullscreenRatio","fullscreenThickness"],g=null,m=!1,v=!1},PSVNavBarButton=function(e,t,n){var o=function(e,t,n){e.addEventListener?e.addEventListener(t,n,!1):e.attachEvent("on"+t,n)},i=function(){switch(t){case"autorotate":var i=n.buttonsHeight-2*n.autorotateThickness,p=i/10;l=document.createElement("div"),l.style.cssFloat="left",l.style.boxSizing="inherit",l.style.padding="10px",l.style.width=n.buttonsHeight+"px",l.style.height=n.buttonsHeight+"px",l.style.backgroundColor=n.buttonsBackgroundColor,l.style.position="relative",l.style.cursor="pointer",o(l,"click",function(){e.toggleAutorotate()});var y=document.createElement("div");y.style.boxSizing="inherit",y.style.width=i+"px",y.style.height=i+"px",y.style.borderRadius="50%",y.style.border=n.autorotateThickness+"px solid "+n.buttonsColor,l.appendChild(y);var f=document.createElement("div");f.style.boxSizing="inherit",f.style.width=i+"px",f.style.height=p+"px",f.style.borderRadius="50%",f.style.border=n.autorotateThickness+"px solid "+n.buttonsColor,f.style.position="absolute",f.style.top="50%",f.style.marginTop=-(p/2+n.autorotateThickness)+"px",l.appendChild(f),e.addAction("autorotate",d);break;case"zoom":l=document.createElement("div"),l.style.cssFloat="left",l.style.boxSizing="inherit";var b=document.createElement("div");b.style.cssFloat="left",b.style.boxSizing="inherit",b.style.padding="10px",b.style.height=n.buttonsHeight+"px",b.style.backgroundColor=n.buttonsBackgroundColor,b.style.lineHeight=n.buttonsHeight+"px",b.style.color=n.buttonsColor,b.style.cursor="pointer",b.textContent="-",o(b,"click",function(){e.zoomOut()}),l.appendChild(b),r=document.createElement("div"),r.style.cssFloat="left",r.style.boxSizing="inherit",r.style.padding=10+(n.buttonsHeight-n.zoomRangeThickness)/2+"px 5px",r.style.backgroundColor=n.buttonsBackgroundColor,r.style.cursor="pointer",l.appendChild(r),a=document.createElement("div"),a.style.boxSizing="inherit",a.style.width=n.zoomRangeWidth+"px",a.style.height=n.zoomRangeThickness+"px",a.style.backgroundColor=n.buttonsColor,a.style.position="relative",r.appendChild(a),s=document.createElement("div"),s.style.position="absolute",s.style.top=(n.zoomRangeThickness-n.zoomRangeDisk)/2+"px",s.style.left=-(n.zoomRangeDisk/2)+"px",s.style.boxSizing="inherit",s.style.width=n.zoomRangeDisk+"px",s.style.height=n.zoomRangeDisk+"px",s.style.borderRadius="50%",s.style.backgroundColor=n.buttonsColor,e.addAction("zoom-updated",c),o(r,"mousedown",u),o(r,"touchstart",h),o(document,"mousemove",m),o(document,"touchmove",v),o(document,"mouseup",g),o(document,"touchend",g),a.appendChild(s);var x=document.createElement("div");x.style.cssFloat="left",x.style.boxSizing="inherit",x.style.padding="10px",x.style.height=n.buttonsHeight+"px",x.style.backgroundColor=n.buttonsBackgroundColor,x.style.lineHeight=n.buttonsHeight+"px",x.style.color=n.buttonsColor,x.style.cursor="pointer",x.textContent="+",o(x,"click",function(){e.zoomIn()}),l.appendChild(x);break;case"fullscreen":var w=n.buttonsHeight*n.fullscreenRatio,C=.3*n.buttonsHeight,k=(n.buttonsHeight-C)/2,_=.3*w,E=(w-_)/2-n.fullscreenThickness,S=n.buttonsHeight-2*n.fullscreenThickness;l=document.createElement("div"),l.style.cssFloat="right",l.style.boxSizing="inherit",l.style.padding="10px",l.style.width=w+"px",l.style.height=n.buttonsHeight+"px",l.style.backgroundColor=n.buttonsBackgroundColor,l.style.cursor="pointer",o(l,"click",function(){e.toggleFullscreen()});var z=document.createElement("div");z.style.cssFloat="left",z.style.boxSizing="inherit",z.style.width=n.fullscreenThickness+"px",z.style.height=C+"px",z.style.borderStyle="solid",z.style.borderColor=n.buttonsColor+" transparent",z.style.borderWidth=k+"px 0",l.appendChild(z);var T=document.createElement("div");T.style.cssFloat="left",T.style.boxSizing="inherit",T.style.width=E+"px",T.style.height=S+"px",T.style.borderStyle="solid",T.style.borderColor=n.buttonsColor+" transparent",T.style.borderWidth=n.fullscreenThickness+"px 0",l.appendChild(T);var R=document.createElement("div");R.style.cssFloat="left",R.style.boxSizing="inherit",R.style.marginLeft=_+"px",R.style.width=E+"px",R.style.height=S+"px",R.style.borderStyle="solid",R.style.borderColor=n.buttonsColor+" transparent",R.style.borderWidth=n.fullscreenThickness+"px 0",l.appendChild(R);var I=document.createElement("div");I.style.cssFloat="left",I.style.boxSizing="inherit",I.style.width=n.fullscreenThickness+"px",I.style.height=C+"px",I.style.borderStyle="solid",I.style.borderColor=n.buttonsColor+" transparent",I.style.borderWidth=k+"px 0",l.appendChild(I);var M=document.createElement("div");M.style.clear="left",l.appendChild(M),e.addAction("fullscreen-mode",d);break;case"orientation":var P=n.buttonsHeight-2*n.gyroscopeThickness,H=P-4*n.gyroscopeThickness,F=P/10;l=document.createElement("div"),l.style.cssFloat="right",l.style.boxSizing="inherit",l.style.padding="10px",l.style.width=n.buttonsHeight+"px",l.style.height=n.buttonsHeight+"px",l.style.backgroundColor=n.buttonsBackgroundColor,l.style.position="relative",l.style.cursor="pointer",o(l,"click",function(){e.toggleDeviceOrientation()});var B=document.createElement("div");B.style.boxSizing="inherit",B.style.width=P+"px",B.style.height=P+"px",B.style.borderRadius="50%",B.style.border=n.gyroscopeThickness+"px solid "+n.buttonsColor,l.appendChild(B);var O=document.createElement("div");O.style.boxSizing="inherit",O.style.width=H+"px",O.style.height=F+"px",O.style.borderRadius="50%",O.style.border=n.gyroscopeThickness+"px solid "+n.buttonsColor,O.style.position="absolute",O.style.top="50%",O.style.left="50%",O.style.marginTop=-(F/2+n.gyroscopeThickness)+"px",O.style.marginLeft=-(H/2+n.gyroscopeThickness)+"px",l.appendChild(O);var A=document.createElement("div");A.style.boxSizing="inherit",A.style.width=F+"px",A.style.height=H+"px",A.style.borderRadius="50%",A.style.border=n.gyroscopeThickness+"px solid "+n.buttonsColor,A.style.position="absolute",A.style.top="50%",A.style.left="50%",A.style.marginTop=-(H/2+n.gyroscopeThickness)+"px",A.style.marginLeft=-(F/2+n.gyroscopeThickness)+"px",l.appendChild(A),e.addAction("device-orientation",d);break;case"virtual-reality":var L=n.buttonsHeight*n.virtualRealityRatio,D=L/4,X=D/2;l=document.createElement("div"),l.style.cssFloat="right",l.style.position="relative",l.style.boxSizing="inherit",l.style.padding="10px",l.style.width=L+"px",l.style.height=n.buttonsHeight+"px",l.style.backgroundColor=n.buttonsBackgroundColor,l.style.cursor="pointer",o(l,"click",function(){e.toggleStereo()});var W=document.createElement("div");W.style.boxSizing="inherit",W.style.width=L+"px",W.style.height=n.buttonsHeight+"px",W.style.borderRadius=n.virtualRealityBorderRadius+"px",W.style.backgroundColor=n.buttonsColor,l.appendChild(W);var N=document.createElement("div");N.style.boxSizing="inherit",N.style.width=D+"px",N.style.height=D+"px",N.style.position="absolute",N.style.top=X+10+"px",N.style.left=X+10+"px",N.style.borderRadius="50%",N.style.backgroundColor=n.backgroundColor,l.appendChild(N);var $=document.createElement("div");$.style.boxSizing="inherit",$.style.width=D+"px",$.style.height=D+"px",$.style.position="absolute",$.style.top=X+10+"px",$.style.right=X+10+"px",$.style.borderRadius="50%",$.style.backgroundColor=n.backgroundColor,l.appendChild($);var q=document.createElement("div");q.style.boxSizing="inherit",q.style.width=D+"px",q.style.height=n.buttonsHeight/2+"px",q.style.position="absolute",q.style.left="50%",q.style.bottom="10px",q.style.marginLeft=-(D/2)+"px",q.style.borderTopLeftRadius="50% 60%",q.style.borderTopRightRadius="50% 60%",q.style.backgroundColor=n.backgroundColor,l.appendChild(q),e.addAction("stereo-effect",d)}};this.getButton=function(){return l};var r,a,s,l,d=function(e){e?l.style.backgroundColor=n.activeButtonsBackgroundColor:l.style.backgroundColor=n.buttonsBackgroundColor},c=function(e){s.style.left=e/100*n.zoomRangeWidth-n.zoomRangeDisk/2+"px"},u=function(e){p(parseInt(e.clientX))},h=function(e){var t=e.touches[0];(t.target==r||t.target==a||t.target==s)&&p(parseInt(t.clientX))},p=function(e){f=!0,y(e)},g=function(e){f=!1},m=function(e){e.preventDefault(),y(parseInt(e.clientX))},v=function(e){var t=e.touches[0];(t.target==r||t.target==a||t.target==s)&&(e.preventDefault(),y(parseInt(t.clientX)))},y=function(t){if(f){var o=t-a.getBoundingClientRect().left,i=o/n.zoomRangeWidth*100;e.zoom(i)}},f=!1;i()},Sphoords=function(){var e=function(){var e=navigator.userAgent;return/Gecko\/[0-9.]+/.test(e)?"Gecko":/Chrome\/[0-9.]+/.test(e)?"Blink":/AppleWebKit\/[0-9.]+/.test(e)?"WebKit":/Trident\/[0-9.]+/.test(e)?"Trident":/Opera\/[0-9.]+/.test(e)?"Presto":"Gecko"},t=function(e){return e-360*Math.floor(e/360)};this.start=function(){return Sphoords.isDeviceOrientationSupported?(window.addEventListener("deviceorientation",n,!1),i=!0,!0):(console.log("Device Orientation API not supported"),!1)},this.stop=function(){i&&(window.removeEventListener("deviceorientation",n,!1),i=!1)},this.toggle=function(){i?this.stop():this.start()},this.isEventAttached=function(){return i};var n=function(e){c=Sphoords.getScreenOrientation();var n=0,i=0;switch(c){case"portrait-primary":n=e.alpha+e.gamma,i=e.beta-90;break;case"landscape-primary":if(n=e.alpha+e.beta-90,i=-e.gamma-90,Math.abs(e.beta)>90)switch(u){case"Blink":i+=180;break;case"Gecko":default:i=-i}break;case"landscape-secondary":if(n=e.alpha-e.beta+90,i=e.gamma-90,Math.abs(e.beta)>90)switch(u){case"Blink":i+=180;break;case"Gecko":default:i=-i}break;case"portrait-secondary":n=e.alpha-e.gamma,i=180-(e.beta-90),i=270-e.beta}i=t(i),i>=180&&(i-=360),r=t(n),a=Math.max(-90,Math.min(90,i)),s=r*d,l=a*d,o()};this.getCoordinates=function(){return{longitude:s,latitude:l}},this.getCoordinatesInDegrees=function(){return{longitude:r,latitude:a}},this.getScreenOrientation=function(){return c},this.addListener=function(e){h.push(e)};var o=function(){if(h.length)for(var e=0,t=h.length;t>e;++e)h[e]({longitude:s,latitude:l})},i=!1,r=0,a=0,s=0,l=0,d=Math.PI/180,c=Sphoords.getScreenOrientation(),u=e(),h=[]};Sphoords.getScreenOrientation=function(){var e=null;return screen.orientation?e=screen.orientation:screen.mozOrientation?e=screen.mozOrientation:screen.msOrientation&&(e=screen.msOrientation),null!==e&&"object"==typeof e?e.type:e},Sphoords.isDeviceOrientationSupported=!1,function(){function e(t){null!==t&&null!==t.alpha&&(Sphoords.isDeviceOrientationSupported=!0,window.removeEventListener("deviceorientation",e))}window.DeviceOrientationEvent&&null!==Sphoords.getScreenOrientation()&&window.addEventListener("deviceorientation",e)}();
\ No newline at end of file
diff --git a/src/PSVNavBar.js b/src/PSVNavBar.js
index b2300d54d..53fe0e12c 100644
--- a/src/PSVNavBar.js
+++ b/src/PSVNavBar.js
@@ -1,28 +1,3 @@
-/*
- * Photo Sphere Viewer v2.4
- * http://jeremyheleine.me/photo-sphere-viewer
- *
- * Copyright (c) 2014,2015 Jérémy Heleine
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
 /**
  * Represents the navigation bar.
  * @class
diff --git a/src/PSVNavBarButton.js b/src/PSVNavBarButton.js
index 38272b37c..f82544f12 100644
--- a/src/PSVNavBarButton.js
+++ b/src/PSVNavBarButton.js
@@ -1,28 +1,3 @@
-/*
- * Photo Sphere Viewer v2.4
- * http://jeremyheleine.me/photo-sphere-viewer
- *
- * Copyright (c) 2014,2015 Jérémy Heleine
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
 /**
  * Represents a navigation bar button.
  * @class
diff --git a/src/PhotoSphereViewer.js b/src/PhotoSphereViewer.js
index d4c1bc500..6ca8cd708 100644
--- a/src/PhotoSphereViewer.js
+++ b/src/PhotoSphereViewer.js
@@ -1,5 +1,5 @@
 /*
- * Photo Sphere Viewer v2.4
+ * Photo Sphere Viewer v2.4.1
  * http://jeremyheleine.me/photo-sphere-viewer
  *
  * Copyright (c) 2014,2015 Jérémy Heleine
@@ -150,11 +150,13 @@ var PhotoSphereViewer = function(args) {
 	 * Returns the measure of an angle (between 0 and 2π).
 	 * @private
 	 * @param {number} angle - The angle to reduce
+	 * @param {boolean} [is_2pi_allowed=false] - Can the measure be equal to 2π?
 	 * @return {number} The wanted measure
 	 **/
 
-	var getAngleMeasure = function(angle) {
-		return angle - Math.floor(angle / (2.0 * Math.PI)) * 2.0 * Math.PI;
+	var getAngleMeasure = function(angle, is_2pi_allowed) {
+		is_2pi_allowed = (is_2pi_allowed !== undefined) ? !!is_2pi_allowed : false;
+		return (is_2pi_allowed && angle == 2 * Math.PI) ? 2 * Math.PI :  angle - Math.floor(angle / (2.0 * Math.PI)) * 2.0 * Math.PI;
 	};
 
 	/**
@@ -581,7 +583,7 @@ var PhotoSphereViewer = function(args) {
 
 		var again = true;
 
-		if (PSV_MIN_LONGITUDE != PSV_MAX_LONGITUDE) {
+		if (!whole_circle) {
 			long = stayBetween(long, PSV_MIN_LONGITUDE, PSV_MAX_LONGITUDE);
 
 			if (long == PSV_MIN_LONGITUDE || long == PSV_MAX_LONGITUDE) {
@@ -596,7 +598,7 @@ var PhotoSphereViewer = function(args) {
 			}
 		}
 
-		long = getAngleMeasure(long);
+		long = getAngleMeasure(long, true);
 
 		render();
 
@@ -744,7 +746,7 @@ var PhotoSphereViewer = function(args) {
 	var moveTo = function(longitude, latitude) {
 		var long_tmp = parseAngle(longitude);
 
-		if (PSV_MIN_LONGITUDE != PSV_MAX_LONGITUDE)
+		if (!whole_circle)
 			long_tmp = stayBetween(long_tmp, PSV_MIN_LONGITUDE, PSV_MAX_LONGITUDE);
 
 		var lat_tmp = parseAngle(latitude);
@@ -912,10 +914,10 @@ var PhotoSphereViewer = function(args) {
 		if (mousedown) {
 			long += (x - mouse_x) * PSV_LONG_OFFSET;
 
-			if (PSV_MIN_LONGITUDE != PSV_MAX_LONGITUDE)
+			if (!whole_circle)
 				long = stayBetween(long, PSV_MIN_LONGITUDE, PSV_MAX_LONGITUDE);
 
-			long = getAngleMeasure(long);
+			long = getAngleMeasure(long, true);
 
 			lat += (y - mouse_y) * PSV_LAT_OFFSET;
 			lat = stayBetween(lat, PSV_TILT_DOWN_MAX, PSV_TILT_UP_MAX);
@@ -1340,14 +1342,29 @@ var PhotoSphereViewer = function(args) {
 	var PSV_TILT_UP_MAX = (args.tilt_up_max !== undefined) ? stayBetween(parseAngle(args.tilt_up_max), 0, Math.PI / 2.0) : Math.PI / 2.0;
 	var PSV_TILT_DOWN_MAX = (args.tilt_down_max !== undefined) ? -stayBetween(parseAngle(args.tilt_down_max), 0, Math.PI / 2.0) : -Math.PI / 2.0;
 
-	// Minimum and maximum visible longitudes ((min = max) => whole circle)
-	var PSV_MIN_LONGITUDE = (args.min_longitude !== undefined) ? parseAngle(args.min_longitude) : 0;
-	var PSV_MAX_LONGITUDE = (args.max_longitude !== undefined) ? parseAngle(args.max_longitude) : 0;
+	// Minimum and maximum visible longitudes
+	var min_long = (args.min_longitude !== undefined) ? parseAngle(args.min_longitude) : 0;
+	var max_long = (args.max_longitude !== undefined) ? parseAngle(args.max_longitude) : 0;
 
-	if (PSV_MAX_LONGITUDE < PSV_MIN_LONGITUDE) {
-		var long_tmp = PSV_MIN_LONGITUDE;
-		PSV_MIN_LONGITUDE = PSV_MAX_LONGITUDE;
-		PSV_MAX_LONGITUDE = long_tmp;
+	var whole_circle = (min_long == max_long);
+
+	if (whole_circle) {
+		min_long = 0;
+		max_long = 2 * Math.PI;
+	}
+
+	else if (max_long == 0)
+		max_long = 2 * Math.PI;
+
+	var PSV_MIN_LONGITUDE, PSV_MAX_LONGITUDE;
+	if (min_long < max_long) {
+		PSV_MIN_LONGITUDE = min_long;
+		PSV_MAX_LONGITUDE = max_long;
+	}
+
+	else {
+		PSV_MIN_LONGITUDE = max_long;
+		PSV_MAX_LONGITUDE = min_long;
 	}
 
 	// Default position