diff --git a/inner/js/model/MMLayer.js b/inner/js/model/MMLayer.js
index 03ae323..8c4afd5 100644
--- a/inner/js/model/MMLayer.js
+++ b/inner/js/model/MMLayer.js
@@ -2,6 +2,11 @@ if (!window.mobmap) { window.mobmap={}; }
 
 (function(aGlobal) {
 	'use strict';
+	var gLayerNextId = 1;
+	aGlobal.mobmap.layerGetNextId = function() {
+		var i = gLayerNextId++;
+		return i;
+	};
 
 	var LayerEvent = {
 		LoadWillStart: 'mm-layer-model-event-load-will-start',
@@ -12,14 +17,16 @@ if (!window.mobmap) { window.mobmap={}; }
 	};
 	
 	var LayerCapability = {
-		MarkerRenderable: 0x01
+		MarkerRenderable: 0x01,
+		SpatialSelectable: 0x10
 	};
 
 	function MovingObjectLayer() {
+		this.layerId = mobmap.layerGetNextId();
 		this.jElement = $(document.createElement('span'));
 		this.ownerList = null;
 		this.primaryView = null;
-		this.capabilities = LayerCapability.MarkerRenderable;
+		this.capabilities = LayerCapability.MarkerRenderable | LayerCapability.SpatialSelectable;
 		this.dataTimeRange = {
 			start: 0,
 			end: 0
diff --git a/inner/js/model/MMMeshLayer.js b/inner/js/model/MMMeshLayer.js
index 3925967..208e5b5 100644
--- a/inner/js/model/MMMeshLayer.js
+++ b/inner/js/model/MMMeshLayer.js
@@ -4,6 +4,7 @@ if (!window.mobmap) { window.mobmap={}; }
 	'use strict';
 	
 	function MMMeshLayer() {
+		this.layerId = mobmap.layerGetNextId();
 		this.jElement = $(document.createElement('span'));
 		this.ownerList = null;
 		this.primaryView = null;
diff --git a/inner/js/model/MMProject.js b/inner/js/model/MMProject.js
index b513f4a..aebba54 100644
--- a/inner/js/model/MMProject.js
+++ b/inner/js/model/MMProject.js
@@ -14,6 +14,10 @@ if (!window.mobmap) { window.mobmap={}; }
 		eventDispatcher: function() {
 			return this.jElement;
 		},
+		
+		getLayerList: function() {
+			return this.layerList;
+		},
 
 		addMovingObjectLayer: function() {
 			var lyr = new mobmap.MovingObjectLayer();
diff --git a/inner/js/selection/selection-session.js b/inner/js/selection/selection-session.js
index 673ff2f..4d653d3 100644
--- a/inner/js/selection/selection-session.js
+++ b/inner/js/selection/selection-session.js
@@ -33,7 +33,15 @@ if (!window.mobmap) { window.mobmap={}; }
 		},
 
 		makeIDCollection: function(targetProject) {
+			var ls = targetProject.getLayerList();
+			var len = ls.getCount();
 			
+			for (var i = 0;i < len;++i) {
+				var lyr = ls.getLayerAt(i);
+				if (lyr.capabilities & mobmap.LayerCapability.SpatialSelectable) {
+					console.log("layer selection");
+				}
+			}
 		},
 
 		// - - - - - - - - - -