diff --git a/force_osm_live.html b/force_osm_live.html
new file mode 100644
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--- /dev/null
+++ b/force_osm_live.html
@@ -0,0 +1,721 @@
+<html>
+  <head>
+    <script src="https://aframe.io/releases/1.3.0/aframe.min.js"></script>
+    <script src="https://cdn.jsdelivr.net/gh/diarmidmackenzie/instanced-mesh@v0.6.0/src/instanced-mesh.min.js"></script>
+  </head>
+  <body>
+<script>
+if(window.location.protocol != 'https:') { location.href =   location.href.replace("http://", "https://"); }
+
+var simsrc = "simulations/initial_simulation_data/crop_outpy_"
+var forceSimulationSource = AFRAME.utils.getUrlParameter('simsrc');
+if ( forceSimulationSource ) {
+	simsrc = forceSimulationSource
+	console.log(simsrc,"switched from default simulation to this one")
+	// sould also update the src of id="debug_sim_cerema" with a specific step, e.g 50
+}
+var simscale = 0.035
+var forceDisplacementScale = AFRAME.utils.getUrlParameter('simscale');
+if ( forceDisplacementScale ) {
+	simscale = forceDisplacementScale
+	console.log(simsrc,"switched from default simulation scale to this one", simscale)
+}
+const vrHeight = 0.8
+const desktopHeight = 2.5
+const simext = ".jpg"
+const simstart = 1
+const simend = 95 // mostly correct as new simulations got to 96 steps
+const sim_filename_padding = true
+const animationSpeedStep = 900
+var animationCurrentStep = simstart
+
+var wsimanim 
+
+function animationStep(){
+	wsim.setAttribute("material", {
+		// offset: {x: animationCurrentStep/1000, y:0}, // impacts also the displacement map, not just the texture
+		displacementMap: simsrc+(animationCurrentStep++)+simext,
+	})
+	//wsim.setAttribute("material", "displacementMap", simsrc+(animationCurrentStep++)+simext)
+	//wsim.object3D.children[0].material.needsUpdate = true //no need to do this for every step...
+	//wsim.object3D.children[0].material.map.offset.setX(animationCurrentStep/1000) // same problem, that offset is not just for the texture but also for the displacement map
+		// should find a way to decouple
+		// otherwise could try a custom shader but might still encounter the same problem
+	if (animationCurrentStep >= simend) resetAnimations()
+}
+
+var currentGeoPose = null; // https://developer.mozilla.org/en-US/docs/Web/API/Geolocation/getCurrentPosition
+// navigator.geolocation.getCurrentPosition( geolocalized ) // should handle error, including being ignored
+	// disable for faster testing
+
+// to consider https://github.com/mourner/suncalc
+
+// otherwise have 2 fallbacks via menu
+var positionsCurated = [
+		{ position:[50.8365354, 4.3581719], hotspots: []},
+		{ shortname: "baquets", worldposition:[-38, 17], position:[49.3516400, 0.5461600], // way heavier!
+			offsetLandscapePosition: "-124.32254 0.78377 -46.41836", // TODO use, might prefer something easier to compute to add e.g Vector3, or do pose (position/rotation/scale) per id
+			// alternatively might show/hide per classname based on shortname
+			offsetWatersimPosition: "-124.32254 0.78377 -46.41836", // TODO use
+			hotspots: [
+				// done via the AFrame inspector then pasting here, then regex
+"-36.50124 3 18.52317", "-15.31684 3 26.46878", "-42.59553 3 32.46203", "12.26538 3 38.90027", "-0.69236 3 67.76877", "-49.01323 3 48.21272", "-79.56723 3 34.81311", "-94.0 3 25.0", "-19.2 3 60", "-86.58562 3 -5.73462", "-58.70357 3 8.36794",
+			],
+			visualMarkerPositions:[ 
+				// {rotation:"0 -90 0" , position:"54.31842 -0.21946 -335.17472"},
+				{rotation:"0 -22.49241 0", position:"-30.15801 0.05 14.66674"},
+				{rotation:"0 66.80401412327834 0" , position:"-41.94021 0.05 19.43"}
+			],
+		}, 
+		{ shortname: "ruelle", worldposition:[-126, -40], position:[49.3605700, 0.5031000], 
+			offsetLandscapePosition: "-124.32254 0.78377 -46.41836", // TODO use
+			offsetWatersimPosition: "-124.32254 0.78377 -46.41836", // TODO use
+			hotspots: [ "-134.62038 3 -13.29107", "-125.89544 3 -30.36393", "-119.72245 3 -49.78609", "-96.91944 3 -95.00968", "-90.17903 3 -109.1628", "-142.76086 3 11.1124"],
+			visualMarkerPositions:[ 
+				{position:"-125.67578 0.78377 -46.72093"},
+				{position:"-132.39466 0.78377 -30.06373"},
+				{position:"-138.95986 0.78377 -13.43454"},
+			],
+		},
+	]
+
+var textureOffsetStart = 0
+var textureOffsetEnd = 1
+AFRAME.registerComponent('texture-drift', {
+// should be able to animate instead... but somehow didn't manage.
+// animation_texture="property: components.material.material.map.offset.x; from: 0; to: 1; dur: 2000; easing: linear; loop: true; dir: alternate;"  
+  init: function () {
+	var el = this.el
+	el.addEventListener('materialtextureloaded', function () {
+	console.log(el,"text loaded")
+	  setTimeout(function () {  // setTimeout for good measure.
+		var x = el.components.material.material.map.offset.x  
+		setInterval( _ => { 
+			(x >= textureOffsetEnd) ? x = textureOffsetStart : x += .0001
+		}, 100)
+	  }, 200);
+	});
+  }
+})
+
+AFRAME.registerComponent('randomfx', {
+  init: function () {
+	var FXsounds = Array.from( document.querySelectorAll(".randomfx") )
+	setInterval( _ => { FXsounds[Math.floor(Math.random()*FXsounds.length)].components.sound.playSound() }, 9000 )
+  }
+})
+
+AFRAME.registerComponent('set-initial-camera-from-data', {
+  init: function () {
+	this.el.setAttribute("position", positionsCurated[selection].worldposition[0] + " "+vrHeight+" " + positionsCurated[selection].worldposition[1] )
+  }
+})
+var ignoreCache = true // should be joined as 1 or better be location dependent
+const disableWaysForGLTFExportInHubs = false
+
+var selection = 1 // default position fallback to faciliate tests
+
+// initially done as a different page at first with query parameter
+var forceSelection = AFRAME.utils.getUrlParameter('position');
+if ( forceSelection ) selection = forceSelection
+
+var position = positionsCurated[selection].position
+var hotspots = positionsCurated[selection].hotspots
+var visualmarkers = positionsCurated[selection].visualMarkerPositions
+
+var precision = 4
+var bbox_limit = 10/10**precision
+bbox_limit = 3*10/10**precision
+
+var elevation_res = 10
+
+// generate 3D model from the target location from OSM data
+var bbox = "" + (position[0]-bbox_limit/2)
+		+ "," + (position[1]-bbox_limit/2)
+		+ "," + (position[0]+bbox_limit-bbox_limit/2)
+		+ "," + (position[1]+bbox_limit-bbox_limit/2)
+
+var queryOSMgeom = `https://overpass-api.de/api/interpreter?data=[out:json];nwr(${bbox});out geom;`
+
+// fetch flood data of target location (should be only 2 available) as timeseries
+
+var locations = []
+for (var i=0;i<elevation_res;i++)
+	for (var j=0;j<elevation_res;j++)
+		locations.push({
+			latitude:Number( (position[0]+(bbox_limit/elevation_res)*i).toFixed(precision) ),
+			longitude:Number( (position[1]+(bbox_limit/elevation_res)*j).toFixed(precision) ),
+		})
+
+var queryElevation = 'https://api.open-elevation.com/api/v1/lookup'
+	// doesn't seem to have sufficient resolution, might use IGN instead
+
+var buildingHeight = 6
+var forceHeight = AFRAME.utils.getUrlParameter('height');
+if ( forceHeight ) buildingHeight = Number( forceHeight )
+var wayHeight = .5
+
+var globaljosm
+var offsets = { // used to re-center the map
+	"x": Number( position[0].toFixed(precision-1) ),
+	"y": 0.1, // try to avoid z-fighting
+	"z": Number( position[1].toFixed(precision-1) )}
+var scale = 10**(precision+1)
+
+function pointFromCoordinates( p ){
+	return new THREE.Vector3( (p.lat-offsets.x)*scale, 0, (p.lon-offsets.z)*scale ) 
+}
+
+function curvesTo3DElements( curves, el ){
+	curves.map( c => {
+		makeLine( c.geometry.coordinates.map( p => pointFromCoordinates({lat:p[1],lon:p[0]}) ) , c.properties.ALTITUDE, el )
+	})
+}
+
+function elevationTo3DElements( elevations, el ){
+	localStorage.setItem('elevation', JSON.stringify( elevations ) ) 
+	var minElevation = elevations.sort( (a,b) => a.elevation - b.elevation )[0].elevation
+	elevations.map( h => {
+		var pointEl = document.createElement("a-sphere")
+		pointEl.setAttribute("color", "blue")
+		pointEl.setAttribute("radius", "0.1")
+		// simplification, for a proper polygon see make3DFloor() but here shouldn't assume a centroid
+			// could instead rpointEly on a grid
+		var pos = pointFromCoordinates( {lat:h.latitude,lon:h.longitude} )
+		pos.y = h.elevation - minElevation
+		pointEl.setAttribute("position", AFRAME.utils.coordinates.stringify( pos ) )
+			// see pointFromCoordinates
+		// could find the minimum altitude then remove it from every other values
+		el.appendChild( pointEl )
+	})
+}
+
+function fromOSMTo3DElements( josm, el ){
+	localStorage.setItem('osm', JSON.stringify( josm ) ) 
+	globaljosm = josm // used for debug in console
+
+	// right click on elements on https://overpass-turbo.eu/s/1jbc allows to see type visually
+	//var houses = josm.elements.filter( e => (e.type == "way" && e.tags && e.tags["add:housenumber"]) ).map( e => e.geometry)
+	var houses = josm.elements.filter( e => (e.type == "way" && e.tags && e.tags["building"]) )
+		.filter( i => !loadedosmways.includes(i.id) )
+		.filter( i => (i.id < 561974951 || i.id > 561974997) ) // does not seem present in the model (assuming sequential OSM list, as of now)
+		.map( e => e.geometry)
+	houses.map( e => { makeBuilding( e, buildingHeight*(1+Math.random()), el ) })
+	idfound = josm.elements.filter( e => (e.type == "way" && e.tags && e.tags["building"]) )
+	idfoundfilter = josm.elements.filter( e => (e.type == "way" && e.tags && e.tags["building"]) )
+		.filter( i => !loadedosmways.includes(i.id) )
+	console.log("way IDs found", idfound)
+	console.log("way IDs filtered", idfoundfilter)
+
+	// to add trees 
+	var trees = josm.elements.filter( i => i.type == "node" && i.tags && i.tags.natural == "tree")
+	var lamp = josm.elements.filter( i => i.type == "node" && i.tags && i.tags.highway == "street_lamp")
+	// https://www.openstreetmap.org/node/9923232483
+
+	trees.map( e => { makeTree( e, el ) } )
+	lamp.map( e => { makeLamp( e, el ) } )
+
+	/* consider also
+		landuse forest e.g https://www.openstreetmap.org/way/42198660
+		waterway river e.g https://www.openstreetmap.org/way/112050282
+			or rather with type multipolygon https://www.openstreetmap.org/relation/8029633
+	*/
+
+	// console.log('comparing ways from OSM to glTF')
+	//	existing_houses = josm.elements.filter( e => (e.type == "way" && e.tags && e.tags["building"]) )
+	//		.filter( i => loadedosmways.includes(i.id) )
+	//		.map( e => e.geometry)
+	//	existing_houses.map( e => { makeBuilding( e, buildingHeight*(.5), el ) })
+	// used for alignment
+
+	//var highways = josm.elements.filter( e => (e.type == "way" && e.tags["highway"]) ).map( e => e.geometry)
+	var highways = josm.elements.filter( e => (e.type == "way" && e.tags && e.tags["highway"]) ).map( e => e.geometry)
+		// not so good, shows paths rather than a usable geometry
+	if (!disableWaysForGLTFExportInHubs)
+		highways.map( e => { makeWay( e, wayHeight, el, 0x120a06 ) })
+}
+
+function geolocalized( pos ){
+	console.log( pos.coords )
+}
+
+const loader = new THREE.TextureLoader();
+     
+function addWall(a, b, h, el, color=0x6d6a64){
+  var geometry = new THREE.BufferGeometry();
+  // create a simple rectangle shape. We duplicate the top left and bottom right
+  // vertices because each vertex needs to appear once per triangle.
+  var vertices = new Float32Array( [
+     a.x, a.y, a.z,
+     a.x, a.y+h, a.z,
+     b.x, b.y, b.z,
+
+     a.x, a.y+h, a.z,
+     b.x, b.y+h, b.z,
+     b.x, b.y, b.z,
+  ] );
+
+  // itemSize = 3 because there are 3 values (components) per vertex
+  geometry.setAttribute( 'position', new THREE.BufferAttribute( vertices, 3 ) );
+    const material = new THREE.MeshBasicMaterial({
+	color : new THREE.Color( 0x6d6a64 ).offsetHSL(0,0,-Math.random()/10),
+	side: THREE.DoubleSide,
+      //map: loader.load('Visuals/TEXTURE_BAT/TEXTURE_BAT_Base_Color.jpg'),
+    });
+
+  var mesh = new THREE.Mesh( geometry, material );
+  var entity = document.createElement("a-entity");
+		// not sure it's the best level of abstraction, maybe building instead
+  entity.object3D.add( mesh );
+  el.appendChild( entity );
+  
+}
+
+function addFan(a, b, c, el, verticalOffset, color ){
+  var geometry = new THREE.BufferGeometry();
+  var vertices = new Float32Array( [
+     a.x, a.y+verticalOffset, a.z,
+     b.x, b.y+verticalOffset, b.z,
+     c.x, c.y+verticalOffset, c.z,
+  ] );
+
+  // itemSize = 3 because there are 3 values (components) per vertex
+  geometry.setAttribute( 'position', new THREE.BufferAttribute( vertices, 3 ) );
+    const material = new THREE.MeshBasicMaterial({
+	color : color,
+	side: THREE.DoubleSide,
+    });
+  var mesh = new THREE.Mesh( geometry, material );
+  var entity = document.createElement("a-entity");
+  entity.object3D.add( mesh );
+  el.appendChild( entity );
+}
+
+function make3DFloor(points, el, color=0xedeceb ){ 
+  var entity = document.createElement("a-entity")
+  var centroid = getCentroid( points )
+  entity.id = "roomcentroid"
+  entity.setAttribute("position", centroid)
+  el.appendChild( entity )
+  
+	points.map( (e,i,arr) => {
+		(i==arr.length-1) ? addFan(arr[0], e, centroid, el, 0, color) : addFan(e, arr[i+1], centroid, el, 0, color)
+	})
+  
+}
+
+function make3DRoof(points, el , height, color=0x29465b){
+  var entity = document.createElement("a-entity")
+  var centroid = getCentroid( points )
+  centroid.y += 3 // pointy roof
+  entity.id = "roomcentroid"
+  entity.setAttribute("position", centroid)
+  el.appendChild( entity )
+  
+	points.map( (e,i,arr) => {
+		(i==arr.length-1) ? addFan(arr[0], e, centroid, el, height, color) : addFan(e, arr[i+1], centroid, el, height, color)
+	})
+  
+}
+
+function getCentroid(points){
+  var centroid = new THREE.Vector3(0,0,0);
+  // can probably be simplied now that we rely on threejs vectors rather than AFrame elements
+  for (var e of points) { 
+    centroid.add( e );
+  }
+  centroid.divideScalar(points.length);
+  return centroid;  
+}
+
+function makeWay( points, height, el, color=0xCCCCCC ){
+	var poly = points.map( p => pointFromCoordinates( p ) )
+	var way = document.createElement("a-entity")
+	//way.setAttribute("position", "0 1 0") // vertical offset to avoid z-fighting on large horizontal planes
+	way.className = "way"
+	way.setAttribute("shadow", "") // somehow doesn't seem to receive, only casts
+	el.appendChild( way )
+	make3DFloor( poly, way, color, "Visuals/TEXTURE_BAT/TEXTURE_SOL_Base_Color.jpg")
+}
+
+function makeLamp( treedata, el){
+	var tree = document.createElement("a-entity")
+	tree.setAttribute("position", AFRAME.utils.coordinates.stringify( 
+		pointFromCoordinates( {lat:treedata.lat, lon:treedata.lon} )
+	) )
+	tree.setAttribute("instanced-mesh-member", "mesh:#meshlamp")
+	el.appendChild( tree )
+}
+
+function makeTree( treedata, el){
+	var tree = document.createElement("a-entity")
+	tree.setAttribute("position", AFRAME.utils.coordinates.stringify( 
+		pointFromCoordinates( {lat:treedata.lat, lon:treedata.lon} )
+	) )
+	//tree.setAttribute("rotation", "0 "+ Math.random()*360 +" 0") // changing scale ever so slightly non uniformely could be interesting too
+	// double check documentation, seems to move them too
+	tree.setAttribute("instanced-mesh-member", "mesh:#meshtree")
+	el.appendChild( tree )
+}
+
+function makeBuilding( points, height, el ){
+	// somehow there is an angle, a slanting. Building usually have right angles at corners, not here.
+	var poly = points.map( p => pointFromCoordinates( p ) )
+	var building = document.createElement("a-entity")
+	building.className = "building"
+	building.setAttribute("position", "0 "+ Math.random()/10 + " 0") // could rely on elevation instead.
+		//Pavement would need to be high enough to make the connection between that and street.
+			//which might make it look pointless
+	el.appendChild( building )
+	makeWalls( poly, height, building )
+	// make3DFloor( poly, building ) // not visibile so might be removed
+	var color = new THREE.Color( 0x262D7B ).offsetHSL(0,0,-Math.random());
+	make3DRoof( poly, building, height, color )
+}
+
+function makeLine( poly, h, el ){
+	var color = 0x6d6a64 //+Math.floor( 100*Math.random() )
+	poly.map( (e,i,arr) => { if (i<arr.length-1) addWall(e, arr[i+1], h, el, color) })
+}
+
+function makeWalls( poly, h, el ){
+	var color = new THREE.Color( 0x808080 ).offsetHSL(0,0,-Math.random()/10);
+	poly.map( (e,i,arr) => { (i==arr.length-1) ? addWall(arr[0], e, h, el, color) : addWall(e, arr[i+1], h, el, color) })
+}
+
+var elevationDataFromCache = localStorage.getItem('elevation');
+// includes request date so might prefer to invalidate after a while
+var osmDataFromCache = localStorage.getItem('osm');
+
+if (ignoreCache){
+	elevationDataFromCache = null
+	osmDataFromCache = null
+}
+
+AFRAME.registerComponent('elevation', {
+  init: function () {
+	var el = this.el
+	if (!elevationDataFromCache){
+		console.log("no elevation data from cache, querying")
+
+		fetch(queryElevation, {
+		  method: 'POST',
+		  headers: {
+		    'Accept': 'application/json',
+		    'Content-Type': 'application/json',
+		  },
+		  body: JSON.stringify({locations:locations})
+		}).then(response => response.json()).then(data => elevationTo3DElements(data.results, el ) )
+	} else {
+		console.log("elevation data from cache")
+		elevationTo3DElements( JSON.parse( elevationDataFromCache ), el )
+	}
+  }
+})
+
+AFRAME.registerComponent('osm', {
+  init: function () {
+	var el = this.el
+	if (!osmDataFromCache){
+		console.log("no osm data from cache, querying")
+		fetch(queryOSMgeom).then(response => response.json()).then(data => fromOSMTo3DElements( data, el ) )
+		//console.log("no osm data from cache, querying locally for demo")
+		//fetch("cached_osm_request.json").then(response => response.json()).then(data => fromOSMTo3DElements( data, el ) )
+		// for demo safety, cached locally on 6/1/2023 as cached_osm_request.json
+	} else {
+		console.log("osm data from cache")
+		fromOSMTo3DElements( JSON.parse( osmDataFromCache ), el )
+	}
+  }
+})
+
+
+// includes request date so might prefer to invalidate after a while
+
+AFRAME.registerComponent('cerema', {
+  init: function () {
+	var el = this.el
+	wsim = el
+	animationCurrentStep = simstart
+	wsimanim = setInterval(animationStep, animationSpeedStep)
+  }
+})
+
+AFRAME.registerComponent('watervisuals', {
+  init: function () {
+	var el = this.el
+	visualmarkers.map( h => {
+		var pointEl = document.createElement("a-gltf-model")
+		pointEl.setAttribute("gltf-model", "Visuals/ASSETS_3D/AA_Crue.glb")
+		pointEl.setAttribute("scale", "60 60 60")
+		pointEl.setAttribute("rotation", "0 70 0")
+		pointEl.setAttribute("position", h.position)
+		if (h.rotation) pointEl.setAttribute("rotation", h.rotation)
+		el.appendChild( pointEl )
+	})
+
+  }
+})
+
+AFRAME.registerComponent('hotspots', {
+  init: function () {
+	var el = this.el
+	hotspots.map( h => {
+		var pointEl = document.createElement("a-gltf-model")
+		pointEl.setAttribute("gltf-model", "Visuals/ASSETS_3D/AA_Hotspot.glb")
+		pointEl.setAttribute("model-opacity", .3)
+		pointEl.setAttribute("scale", "50 50 50")
+		pointEl.setAttribute("teleport-via-cursor", true)
+		pointEl.setAttribute("position", h)
+		el.appendChild( pointEl )
+	})
+
+  }
+})
+
+// from https://stackoverflow.com/questions/43914818/alpha-animation-in-aframe-for-a-object-model
+AFRAME.registerComponent('model-opacity', {
+  schema: {default: 1.0},
+  init: function () {
+    this.el.addEventListener('model-loaded', this.update.bind(this));
+  },
+  update: function () {
+    var mesh = this.el.getObject3D('mesh');
+    var data = this.data;
+    if (!mesh) { return; }
+    mesh.traverse(function (node) {
+      if (node.isMesh) {
+        node.material.opacity = data;
+        node.material.transparent = data < 1.0;
+        node.material.needsUpdate = true;
+      }
+    });
+  }
+});
+
+AFRAME.registerComponent('teleport-via-cursor', {
+  init: function () {
+	var el = this.el
+	var cam = document.querySelector("#camera-rig")
+	this.el.addEventListener('click', function (evt) {
+		var pos = el.getAttribute("position")
+		if (!AFRAME.utils.device.checkHeadsetConnected())
+			cam.setAttribute("position", pos.x + " " + desktopHeight + " " + pos.z)
+		else
+			cam.setAttribute("position", pos.x + " " + vrHeight + " " + pos.z)
+		// might want to blink too, e.g black sphere around the camera for .5s
+	});
+	this.el.addEventListener('fusing', function (evt) {
+		//el.setAttribute("opacity", 1)
+		el.setAttribute("model-opacity", 1)
+	});
+	this.el.addEventListener('mouseleave', function (evt) {
+		//el.setAttribute("opacity", 0.3)
+		el.setAttribute("model-opacity", .3)
+	});
+  }
+});
+
+AFRAME.registerComponent('hud', {
+  init: function () {
+	var el = this.el
+	var ringEl = document.createElement("a-ring")
+	ringEl.setAttribute("theta-length", "0")
+	ringEl.setAttribute("position", "1.5 0 -3")
+	el.appendChild( ringEl )
+	var pointEl = document.createElement("a-text")
+	// consider a-text instead https://github.com/lojjic/aframe-troika-text
+		// CEREMA/Visuals/ASSETS_3D/TypoTimer/Abel/Abel-Regular.ttf
+	pointEl.setAttribute("value", "0")
+	pointEl.setAttribute("color", "white")
+	pointEl.setAttribute("negate", "false")
+	pointEl.setAttribute("text", "align", "center")
+	pointEl.setAttribute("text", "font", "Visuals/Abel-Regular-msdf.json")
+	pointEl.setAttribute("position", "0.4 0 -0.9")
+	el.appendChild( pointEl )
+	var backgroundModelEl = document.createElement("a-gltf-model")
+	backgroundModelEl.setAttribute("scale", "40 50 50")
+	backgroundModelEl.setAttribute("position", "0.5 -0.4 -1.1")
+	backgroundModelEl.setAttribute("gltf-model", "Visuals/ASSETS_3D/AA_Timer.glb")
+	el.appendChild( backgroundModelEl )
+	this.ring = ringEl
+	this.hud = pointEl
+  },
+
+  tick: function (time, timeDelta) {
+        animationTime++
+	if (animationTime > 20000) {
+		this.start = 0
+		animationTime = 0
+	}
+        this.hud.setAttribute("value", animationCurrentStep)
+	this.ring.setAttribute("theta-length", animationCurrentStep/simend*360)
+  }
+})
+
+AFRAME.registerComponent('listosmways', {
+  init: function () {
+	var el = this.el
+	this.el.addEventListener('model-loaded', function (evt) {
+		//el.object3D.traverse( i => { if (i.name && i.name !="Scene" && i.type=="Group") loadedosmways.push(Number( i.name )) })
+		el.object3D.traverse( i => { if (i.name && i.name !="Scene" && i.type=="Mesh") loadedosmways.push(Number( i.name )) })
+	});
+  }
+})
+
+AFRAME.registerComponent('resetanimations', {
+  init: function () {
+	var el = this.el
+	this.el.addEventListener('click', function (evt) {
+		resetAnimations()
+	});
+	this.el.addEventListener('fusing', function (evt) {
+		el.setAttribute("opacity", 0.3)
+	});
+	this.el.addEventListener('mouseleave', function (evt) {
+		el.setAttribute("opacity", 1)
+	});
+  }
+});
+
+AFRAME.registerComponent('displaymodels', {
+  init: function () {
+	// sufficient, removed the others otherwise causes raycaster bugs
+	Array.from( document.querySelectorAll('[class*="models_"]') ).map( m => {
+		m.setAttribute( "scale", ".01 .01 .01" )
+	})		
+	Array.from( document.querySelectorAll(".models_"+positionsCurated[selection].shortname) ).map( m => {
+		m.setAttribute( "scale", "1.2 1.2 1.2")
+		m.setAttribute( "visible", "true" )
+		m.setAttribute( "listosmways", "" )
+	})
+  }
+})
+
+AFRAME.registerComponent('forcestats', {
+  init: function () {
+	var forcestats = AFRAME.utils.getUrlParameter('forcestats');
+	if (forcestats == "true") this.el.setAttribute("stats", true)
+  }
+})
+
+AFRAME.registerComponent('customdebug', {
+  init: function () {
+	var el = this.el
+	var debugmode = AFRAME.utils.getUrlParameter('debugmode');
+	if (debugmode && debugmode == "true") {
+		Array.from( document.querySelectorAll(".debug") ).map( e => e.setAttribute("visible", true) )
+		document.querySelector("#mainbutton").style.display = "none";
+		el.addEventListener('loaded', function () {
+			el.components.inspector.openInspector()
+			setTimeout(function () {  // setTimeout for good measure.
+				AFRAME.scenes[0].camera.position.set(400,600,-30)
+				AFRAME.scenes[0].camera.rotation.set(-1.6,0.65,1.6); 
+			}, 1000)
+		});
+	}
+  }
+})
+
+function resetAnimations(){
+	Array.from( document.querySelectorAll("[animation]") )
+		.map( a => Object.keys( a.components )
+			.filter( k => k.match("animation") )
+			.map( key => a.components[key].time = 0 ) 
+			// could also use play() or pause()
+		)
+	animationTime = 0
+	animationCurrentStep = simstart
+	clearInterval(wsimanim)
+	wsimanim = setInterval(animationStep, animationSpeedStep)
+}
+
+var animationTime = 0 // this isn't exactly aligned with animations
+// because virtual and real time hasn't be decided yet (waiting on simulation results)
+// virtual time would amount to 2 to 3min total.
+
+loadedosmways = [];
+
+function playSound(){
+	var entity = document.querySelector('[sound]');
+	entity.components.sound.playSound();
+	document.querySelector("a-entity[sound]").components.sound.playSound()
+	document.querySelector("#mainbutton").style.display = "none";
+}
+
+function startExperience(){
+	document.querySelector("#watersim").setAttribute("material", "displacementScale", simscale)
+	AFRAME.scenes[0].enterVR();
+	playSound();
+	resetAnimations()
+	if (!AFRAME.utils.device.checkHeadsetConnected()){
+		document.querySelector("#camera-rig").object3D.position.y = desktopHeight
+		// works only at the beginning, not after teleporting
+	}
+}
+</script>
+ <button id=mainbutton style="z-index: 1; position: absolute; width:50%; margin: auto; text-align:center; top:45%; left:30%; height:30%;" onclick="startExperience()">Demarrer l'experience</button> 
+    <a-scene displaymodels forcestats customdebug >
+	<a-entity id="hotspots" hotspots ></a-entity>
+	<a-entity id="watervisuals" watervisuals ></a-entity>
+      <!-- Quest available only during event, otherwise cardboard -->
+      <a-entity id="leftHand" hand-tracking-controls="hand: left;"></a-entity>
+      <a-entity id="rightHand" hand-tracking-controls="hand: right;"></a-entity>
+      <a-entity id="camera-rig" set-initial-camera-from-data>
+	      <a-sound autoplay="false" loop="true" src="src: url(Sounds/AMBIANCES/CEREMA_AMB_VILLE.mp3)"></a-sound>
+	      <a-sound class="randomfx" autoplay="false" loop="false" src="src: url(Sounds/FX/CEREMA_CRACK_MAISON_01.mp3)"></a-sound>
+	      <a-sound class="randomfx" autoplay="false" loop="false" src="src: url(Sounds/FX/CEREMA_CRACK_MAISON_02.mp3)"></a-sound>
+	      <a-sound class="randomfx" autoplay="false" loop="false" src="src: url(Sounds/FX/CEREMA_CRACK_MAISON_03.mp3)"></a-sound>
+	      <a-sound class="randomfx" autoplay="false" loop="false" src="src: url(Sounds/FX/CEREMA_CRACK_MAISON_04.mp3)"></a-sound>
+	      <a-sound class="randomfx" autoplay="false" loop="false" src="src: url(Sounds/FX/CEREMA_SIRENNES_POMPIER.mp3)"></a-sound>
+	      <a-sound class="randomfx" autoplay="false" loop="false" src="src: url(Sounds/FX/CEREMA_SIRENNE_COMMUNALE.mp3)"></a-sound>
+	      <a-entity position="0 -1.2 0" sound="src: url(Sounds/FX/CEREMA_BOUCLE_EAU.mp3); loop:true; autoplay:false; volume:0;"
+		      animation="property: sound.volume; from:0; to: 1; dur: 9000; easing: linear; loop: false;"
+		      ></a-entity>
+	      <a-entity camera look-controls hud>
+			<!-- consider time as HUD text display-->
+		      <a-entity cursor="fuse: true; fuseTimeout: 500"
+			      position="0 0 -3"
+			      geometry="primitive: ring; radiusInner: 0.04; radiusOuter: 0.05"
+			      material="color: orange; shader: flat">
+		      </a-entity>
+	      </a-entity>
+	      <a-gltf-model resetanimations="" position="2 2 4" scale="50 50 50" rotation="29 -160 -10" gltf-model="Visuals/ASSETS_3D/AA_Reset.glb" opacity="1"></a-gltf-model>
+      </a-entity>
+      <a-entity id="meshlamp" gltf-model="Visuals/EXPORTS/EXPORTS_gltf/ModelsSolo/AA_Ruelle_Lampadaire.glb" instanced-mesh ></a-entity>
+      <a-entity id="meshtree" position="-25 0 9" gltf-model="Visuals/EXPORTS/EXPORTS_gltf/AA_Ruelle_Arbre.glb" instanced-mesh ></a-entity>
+
+      <a-plane id="ground" visible=false position="0 -.5 0" rotation="-90 0 0" width="1000" height="1000" color="lightgrey"></a-plane>
+      <a-entity light="type: ambient; color: #BBB"></a-entity>
+      <a-entity id="sun" light="type: directional; color: #FFF; castShadow:true;" position="-5 5 0"
+		animation="property: light.intensity; from:0.1; to: 0.6; dur: 20000; easing: linear; loop: true; dir:alternate;"
+		animation__pos="property: position; from:-50 50 100; to: 50 50 100; dur: 20000; easing: linear; loop: true">
+		</a-entity>
+
+      <a-entity position="0 -0.10 0" scale="1.3 1 1.3" osm id="osm"></a-entity>
+
+      <!-- offset on test data for easier vr testing -->
+      <a-gltf-model class="models_ruelle" visible="" position="-139.95628 0.73 -34.3154" scale="1.2 1.2 1.2" rotation="0 -111.8545396388247 0" gltf-model="Visuals/EXPORTS/EXPORTS_gltf/AA_Quaidelaruelle.glb" listosmways=""></a-gltf-model>
+      <a-gltf-model class="models_baquets" visible="" position="-28.39341 0 10.05424" scale="" rotation="0 66.68655777527651 0" gltf-model="Visuals/EXPORTS/EXPORTS_gltf/AA_Citedesbaquets.glb" listosmways=""></a-gltf-model>
+      <a-plane id="landscape" position="1135.38323 -36.66906 -1784.89792" scale="50 50 50" rotation="-90.00021045914971 -96.34743691360897 0" width="100" height="100" geometry="segmentsHeight: 128; segmentsWidth: 128" material="src: ign_terrain_cached.jpg; displacementScale: 5; displacementMap: ign_elevation_cached.jpg" visible=""></a-plane>
+
+      <a-plane id="watersim" cerema="" position="0 -51.55 0" rotation="-90 90 0" src="Visuals/EAU/Eau_01.jpg"
+      material="displacementScale: 0.04; wireframe: false; displacementMap: "
+      geometry="segmentsHeight: 128; segmentsWidth: 128" scale="1000 1000 100"></a-plane>
+      <!-- animation might fail due texture.neddUpdate unset -->
+
+      <a-image id="debug_baquet_osm" src="baquet_osm.png" visible=false position="-235 1.1 145" rotation="-90 90 0" scale="200 200 200" material="opacity: 0.5" class=debug></a-image>
+      <a-image id="debug_ruelle_osm" src="ruelle_osm.png" visible=false position="-40 1 -220" rotation="-90 90 0" material="opacity: 0.5" scale="200 200 200" class="debug"></a-image>
+      <a-image id="debug_sim_cerema" src="" visible=false position="0 1.2 0" rotation="-90 90 0" material="opacity: 0.5" scale="1000 1000 1000" class="debug"></a-image>
+      <a-sky src="cloudsky.jpg"
+	     animation="from: #000; to: #aaf; loop: true; dur: 20000; dir: alternate; loop:true; property: components.material.material.color; type: color;" 
+             animation_texture="property: material.offset; to: 1 1; dur: 200; easing: linear; loop: true; dir: alternate;"  
+></a-sky>
+    </a-scene>
+      <!--
+live layers (deactivated by default)
+
+material="src: https://wxs.ign.fr/ortho/geoportail/r/wms?LAYERS=ORTHOIMAGERY.ORTHOPHOTOS.BDORTHO&EXCEPTIONS=text/xml&FORMAT=image/jpeg&SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&STYLES=&CRS=CRS:84&BBOX=0.470286,49.338484,0.556117,49.381417&WIDTH=4096&HEIGHT=4096; displacementScale: 20; displacementMap: https://wxs.ign.fr/altimetrie/geoportail/r/wms?LAYERS=ELEVATION.ELEVATIONGRIDCOVERAGE.HIGHRES&EXCEPTIONS=text/xml&FORMAT=image/jpeg&SERVICE=WMS&VERSION=1.3.0&REQUEST=GETMAP&STYLES=&CRS=CRS:84&BBOX=0.470286,49.338484,0.556117,49.381417&WIDTH=1024&HEIGHT=1024;" ></a-plane>
+      -->
+  </body>
+</html>
diff --git a/index.html b/index.html
index 3b7441d..bbfcd77 100644
--- a/index.html
+++ b/index.html
@@ -134,10 +134,6 @@ var bbox = "" + (position[0]-bbox_limit/2)
 		+ "," + (position[1]-bbox_limit/2)
 		+ "," + (position[0]+bbox_limit-bbox_limit/2)
 		+ "," + (position[1]+bbox_limit-bbox_limit/2)
-var queryOSM = `https://overpass-api.de/api/interpreter?data=[out:json];nwr(${bbox});out;`
-// format https://overpass-api.de/output_formats.html#json
-// bounding box https://dev.overpass-api.de/overpass-doc/en/full_data/bbox.html
-	// testing https://overpass-turbo.eu
 
 var queryOSMgeom = `https://overpass-api.de/api/interpreter?data=[out:json];nwr(${bbox});out geom;`
 
@@ -421,8 +417,11 @@ AFRAME.registerComponent('osm', {
   init: function () {
 	var el = this.el
 	if (!osmDataFromCache){
-		console.log("no osm data from cache, querying")
-		fetch(queryOSMgeom).then(response => response.json()).then(data => fromOSMTo3DElements( data, el ) )
+		//console.log("no osm data from cache, querying")
+		//fetch(queryOSMgeom).then(response => response.json()).then(data => fromOSMTo3DElements( data, el ) )
+		console.log("no osm data from cache, querying locally for demo")
+		fetch("cached_osm_request.json").then(response => response.json()).then(data => fromOSMTo3DElements( data, el ) )
+		// for demo safety, cached locally on 6/1/2023 as cached_osm_request.json
 	} else {
 		console.log("osm data from cache")
 		fromOSMTo3DElements( JSON.parse( osmDataFromCache ), el )
