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index_3d_template.html
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index_3d_template.html
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<!doctype html>
<html lang="ja-JP">
<head>
<title>WebGL 3D</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
body { margin: 0; overflow: hidden; }
</style>
<script src="https://cyberjapandata.gsi.go.jp/3d/three.min.js"></script>
<script src="https://cyberjapandata.gsi.go.jp/3d/TrackballControls.js"></script>
<script>
//<!--
/****************************************************/
// 高さの強調度を変える場合は、
// vSceneMeshZRate = 数値を変更する
/****************************************************/
var vSceneMeshZRate = 1;
/****************************************************/
// 枠の表示変える場合は、
// vFrameMode = 透過'trans' | 表示しない'none'
/****************************************************/
var vFrameMode = 'trans';
/****************************************************/
var Dem = "./dem.csv";
var DemTextue = "./texture.png";
var IconTexture = "./icon.png";
/****************************************************/
var oRenderer = null;
var oScene = null;
var oSceneLight = null;
var oSceneMesh = null;
var oSceneMeshBase = null;
var oCamera = null;
var oCameraCtrl = null;
/****************************************************/
var vSceneMesh = null;
var vSceneMeshDistanceRate = 0.1;
/****************************************************/
var vWinSizeW = 0;
var vWinSizeH = 0;
/****************************************************/
var vTextureSizeW = /*[[texture_width]]*/;
var vTextureSizeH = /*[[texture_height]]*/;
/****************************************************/
var vMeshSizeW = /*[[mesh_width]]*/;
var vMeshSizeH = /*[[mesh_height]]*/;
/****************************************************/
var vGeomSizeW = /*[[geom_width]]*/;
var vGeomSizeH = /*[[geom_height]]*/;
var nGeomSizeX = vGeomSizeW;
var nGeomSizeY = vGeomSizeH;
/****************************************************/
var oSceneGEODataMeshArr = null;
var oGeo3DData = null;
var oTextureCanvas = null;
/*[[insertgeo3ddata]]*/
function Init(){
var xhr = new XMLHttpRequest();
xhr.addEventListener('load', function(evt){
vSceneMesh = (evt.target.response || evt.target.responseText).replace(/\n/g, ",").split(",");
LoadScene();
}, false);
xhr.open('GET', Dem, true);
xhr.send(null);
EvtResize();
};
/*-----------------------------------------------------------------------------------------------*/
// LoadScene
/*-----------------------------------------------------------------------------------------------*/
function LoadScene(){
oRenderer = new THREE.WebGLRenderer({ antialias: true });
oRenderer.setSize(vWinSizeW, vWinSizeH);
oRenderer.setClearColor(0xe6e6fa, 1.0);
document.getElementById('webgl').appendChild(oRenderer.domElement);
oScene = new THREE.Scene();
//oScene.add(new THREE.AmbientLight(0xffffff));
oScene.add(new THREE.AmbientLight(0x111111));
// 平行光源の設置
oSceneLight = new THREE.DirectionalLight(0xFFFFFF, 1.0, 0);
oSceneLight.position.set(100, -200, 200);
oScene.add(oSceneLight);
oCamera = new THREE.PerspectiveCamera(45, vWinSizeW / vWinSizeH, 1, 10000);
oCamera.position.set(0, -100, 100);
oCamera.up.set(0, 0, 1);
oCamera.lookAt( {x:0, y:0, z:0 } );
oCameraCtrl = new THREE.TrackballControls(oCamera);
var geometry = new THREE.PlaneGeometry( vGeomSizeW, vGeomSizeH, vMeshSizeW, vMeshSizeH );
oTextureCanvas = document.createElement("canvas");
oTextureCanvas.width = vTextureSizeW;
oTextureCanvas.height = vTextureSizeH;
var texture = new THREE.Texture(oTextureCanvas);
texture.needsUpdate = true;
texture.minFilter = THREE.LinearFilter;
texture.magFilter = THREE.LinearFilter;
var material = new THREE.MeshBasicMaterial({ map: texture });
material.side = THREE.DoubleSide;
material.opacity = 1;
material.transparent = true;
material.depthTest = true;
material.depthWrite = true;
var img = new Image();
img.style.width = vTextureSizeW;
img.style.height = vTextureSizeH;
img._material = material;
//img.crossOrigin = "anonymous";
img.onload = function()
{
try
{
var texture = oTextureCanvas.getContext("2d");
texture.drawImage( this, 0, 0 );
this._material.map.needsUpdate = true;
}
catch(e){
console.log( e );
}
};
img.src = DemTextue;
oSceneMesh = new THREE.Mesh(geometry, material);
oScene.add(oSceneMesh);
LoadSceneMeshBase();
Draw3DGEOData();
SceneGeometryZ();
SceneRender();
SceneRender();
};
function LoadSceneMeshBase(){
oSceneMeshBase = new Array(5);
var h = -1 * vSceneMeshDistanceRate * 100;
var i = 0;
//var material = new THREE.MeshBasicMaterial({color: 0x444444});
var material = new THREE.MeshPhongMaterial({color: 0xffffff, depthWrite:false, ambient: 0xffffff, specular: 0xcccccc, shininess:50, metal:true});
//var material = new THREE.MeshBasicMaterial( {color:0xffffff, transparent:true,wireframe: true, opacity: 0.5} );
if ( vFrameMode == "trans" )
{
material.transparent = true;
material.opacity = 0.5;
}
if ( vFrameMode != "none" )
{
var geometry = new THREE.PlaneGeometry(100, 100, 1, 1);
for(i = 0; i < geometry.vertices.length; i++){
geometry.vertices[i].z = h;
}
geometry.vertices[0].y = -(nGeomSizeY/2);
geometry.vertices[1].y = -(nGeomSizeY/2);
geometry.vertices[2].y = (nGeomSizeY/2);
geometry.vertices[3].y = (nGeomSizeY/2);
geometry.computeFaceNormals();
geometry.computeVertexNormals();
geometry.dynamic = true;
geometry.verticesNeedUpdate = true;
oSceneMeshBase[0] = new THREE.Mesh(geometry, material);
oScene.add(oSceneMeshBase[0]);
var nz = 0;
var x = null;
var y = null;
for(n = 1; n < 5; n++){
if (n == 1)geometry = new THREE.PlaneGeometry(nGeomSizeX, 1,vMeshSizeW, 1);
else if(n == 2)geometry = new THREE.PlaneGeometry(nGeomSizeY, 1,vMeshSizeH, 1);
else if(n == 3)geometry = new THREE.PlaneGeometry(nGeomSizeY, 1,vMeshSizeH, 1);
else if(n == 4)geometry = new THREE.PlaneGeometry(nGeomSizeX, 1,vMeshSizeW, 1);
for(i = 0; i < geometry.vertices.length; i++){
geometry.vertices[i].z = h;
x = null;
y = null;
if (n == 1){ x = null; y = -(nGeomSizeY/2); }
else if(n == 2){ x = -(nGeomSizeX/2); y = (nGeomSizeY/2)-nGeomSizeY/vMeshSizeH*(i%(vMeshSizeH+1)); }
else if(n == 3){ x = (nGeomSizeX/2); y = -(nGeomSizeY/2)+nGeomSizeY/vMeshSizeH*(i%(vMeshSizeH+1)); }
else if(n == 4){ x = (nGeomSizeX/2)-nGeomSizeX/vMeshSizeW*(i%(vMeshSizeW+1)); y = (nGeomSizeY/2); }
if(x != null){ geometry.vertices[i].x = x; }
if(y != null){ geometry.vertices[i].y = y; }
}
oSceneMeshBase[n] = new THREE.Mesh(geometry, material);
oScene.add(oSceneMeshBase[n]);
}
}
};
/*-----------------------------------------------------------------------------------------------*/
// Scene
/*-----------------------------------------------------------------------------------------------*/
function SceneGeometryZ(){
var n = 0;
var nz = 0;
for(ny = 0; ny <= vMeshSizeH; ny++){
for(nx = 0; nx <= vMeshSizeW; nx++){
nz = ny * (vMeshSizeW+1) + nx;
oSceneMesh.geometry.vertices[nz].z = vSceneMesh[nz] * vSceneMeshZRate;
}
}
oSceneMesh.geometry.computeFaceNormals();
oSceneMesh.geometry.computeVertexNormals();
oSceneMesh.geometry.dynamic = true;
oSceneMesh.geometry.verticesNeedUpdate = true;
if(oSceneMeshBase != null){
for(n = 1; n < 5; n++){
switch( n )
{
case 1:
//下
for(i = 0; i < (vMeshSizeW+1); i++){
nz = (vMeshSizeH) * (vMeshSizeW+1) + i;
try{
oSceneMeshBase[n].geometry.vertices[i].z = oSceneMesh.geometry.vertices[nz].z;
}catch(e){
}
}
break;
case 2:
//左
for(i = 0; i < (vMeshSizeH+1); i++){
nz = (vMeshSizeW+1) * i;
oSceneMeshBase[n].geometry.vertices[i].z = oSceneMesh.geometry.vertices[nz].z;
}
break;
case 3:
//右
for(i = 0; i < (vMeshSizeH+1); i++){
nz = (vMeshSizeW+1) * (vMeshSizeH - i) + vMeshSizeW;
oSceneMeshBase[n].geometry.vertices[i].z = oSceneMesh.geometry.vertices[nz].z;
}
break;
case 4:
//上
for(i = 0; i < (vMeshSizeW+1); i++){
nz = vMeshSizeW - i;
oSceneMeshBase[n].geometry.vertices[i].z = oSceneMesh.geometry.vertices[nz].z;
}
break;
}
oSceneMeshBase[n].geometry.computeFaceNormals();
oSceneMeshBase[n].geometry.computeVertexNormals();
oSceneMeshBase[n].geometry.dynamic = true;
oSceneMeshBase[n].geometry.verticesNeedUpdate = true;
}
}
if ( oSceneGEODataMeshArr != null )
{
for( var k=0; k<oSceneGEODataMeshArr.length; k++ )
{
var meshData = oSceneGEODataMeshArr[k];
var viewBox =getBoxLatLngBounds( {
lat: parseFloat(args["lat"]),
lng:parseFloat(args["lon"])},
parseInt(args["z"]),
parseInt(args["tile_n_px_w"]),
parseInt(args["tile_n_px_h"]) );
if ( meshData.points )
{
for( var i=0; i<meshData.points.length; i++ )
{
var p1 = _latLngToPointData( viewBox, meshData.points[i].lat, meshData.points[i].lng, meshData.points[i].h );
meshData.mesh.geometry.vertices[i].z = p1.z;
}
}
else if ( meshData.triangles )
{
for( var i=0, idx=0; i<meshData.triangles.length; i++, idx+=3 )
{
var p1 = _latLngToPointData( viewBox, meshData.triangles[i][0].lat, meshData.triangles[i][0].lng, meshData.triangles[i][0].h );//{x:triangles[0], y:triangles[1], z:vertexes[2]};
var p2 = _latLngToPointData( viewBox, meshData.triangles[i][1].lat, meshData.triangles[i][1].lng, meshData.triangles[i][1].h );//{x:vertexes[3], y:vertexes[4], z:vertexes[5]};
var p3 = _latLngToPointData( viewBox, meshData.triangles[i][2].lat, meshData.triangles[i][2].lng, meshData.triangles[i][2].h );//{x:vertexes[6], y:vertexes[7], z:vertexes[8]};
meshData.mesh.geometry.vertices[idx].z = p1.z;
meshData.mesh.geometry.vertices[idx+1].z = p2.z;
meshData.mesh.geometry.vertices[idx+2].z = p3.z;
}
}
else if (meshData.point)
{
var meshData = oSceneGEODataMeshArr[k];
var p = _latLngToPointData(
viewBox,
meshData.point.lat,
meshData.point.lng,
meshData.point.h );
meshData.mesh.position.set( p.x, p.y, p.z );
meshData.mesh.updateMatrix();
meshData.mesh.matrixWorldNeedsUpdate = true;
//var material = new THREE.M
}
if ( meshData.mesh.geometry )
{
meshData.mesh.geometry.computeFaceNormals();
meshData.mesh.geometry.computeVertexNormals();
meshData.mesh.geometry.dynamic = true;
meshData.mesh.geometry.verticesNeedUpdate = true;
}
}
}
};
function SceneRender(){
if(oRenderer != null && oScene != null && oCamera != null && oCameraCtrl != null){
oCameraCtrl.update();
requestAnimationFrame(SceneRender);
oRenderer.render(oScene, oCamera);
}
};
/*-----------------------------------------------------------------------------------------------*/
// イベント
/*-----------------------------------------------------------------------------------------------*/
function EvtResize(){
vWinSizeW = window.innerWidth;
vWinSizeH = window.innerHeight;
if(oCamera != null && oRenderer != null){
oRenderer.setSize(vWinSizeW, vWinSizeH);
oCamera.aspect = vWinSizeW / vWinSizeH;
oCamera.updateProjectionMatrix();
SceneRender();
}
};
function getBoxLatLngBounds(center, zoom, w, h)
{
// latLngToPoint
var DEG_TO_RAD = Math.PI / 180;
var RAD_TO_DEG = 180 / Math.PI;
var MAX_LATITUDE = 85.0511287798;
var _a = 0.5 / Math.PI;
var _b = 0.5;
var _c = -0.5 / Math.PI;
var _d = 0.5;
var latLngToPoint = function( latlng, zoom )
{
var d = DEG_TO_RAD;
var max = MAX_LATITUDE;
var lat = Math.max(Math.min(max, latlng.lat), -max);
var x = latlng.lng * d;
var y = lat * d;
y = Math.log(Math.tan((Math.PI / 4) + (y / 2)));
var projectedPoint = {x:x,y:y};
var scale = 256 * Math.pow(2, zoom);
scale = scale || 1;
var point = {x:0, y:0 };
point.x = scale * (_a * projectedPoint.x + _b);
point.y = scale * (_c * projectedPoint.y + _d);
return point;
};
var pointToLatLng = function( point,zoom )
{
var scale = 256 * Math.pow(2, zoom);
scale = scale || 1;
var untransformedPoint = {
x: (point.x / scale - _b) / _a,
y: (point.y / scale - _d) / _c
};
//var untransformedPoint = this.transformation.untransform(point, scale);
var d = RAD_TO_DEG;
var lng = untransformedPoint.x * d;
var lat = (2 * Math.atan(Math.exp(untransformedPoint.y)) - (Math.PI / 2)) * d;
return { lat : lat, lng : lng };
};
var centerPoint = latLngToPoint( center, zoom );
var ltLatLng = pointToLatLng( {
x : centerPoint.x - (w/2),
y : centerPoint.y - (h/2),
}, zoom );
var rbLatLng = pointToLatLng( {
x : centerPoint.x + (w/2),
y : centerPoint.y + (h/2),
}, zoom );
return { lt : ltLatLng, rb : rbLatLng, w:w, h:h };
}
var oGEODataTriangles = [];
function _latLngToPointData(viewBox,lat, lng, h)
{
var latLngToPoint = function( latlng, zoom )
{
var DEG_TO_RAD = Math.PI / 180;
var RAD_TO_DEG = 180 / Math.PI;
var MAX_LATITUDE = 85.0511287798;
var _a = 0.5 / Math.PI;
var _b = 0.5;
var _c = -0.5 / Math.PI;
var _d = 0.5;
var d = DEG_TO_RAD;
var max = MAX_LATITUDE;
var lat = Math.max(Math.min(max, latlng.lat), -max);
var x = latlng.lng * d;
var y = lat * d;
y = Math.log(Math.tan((Math.PI / 4) + (y / 2)));
var projectedPoint = {x:x,y:y};
var scale = 256 * Math.pow(2, zoom);
scale = scale || 1;
var point = {x:0, y:0 };
point.x = scale * (_a * projectedPoint.x + _b);
point.y = scale * (_c * projectedPoint.y + _d);
return point;
};
var ltPoint = latLngToPoint( viewBox.lt, parseInt( args["z"] ) );
var rbPoint = latLngToPoint( viewBox.rb, parseInt( args["z"] ) );
var targetPoint = latLngToPoint( {lat:lat,lng:lng}, parseInt( args["z"] ) );
var x=( ( targetPoint.x - ltPoint.x ) / ( rbPoint.x - ltPoint.x ) );
var y=( ( targetPoint.y - ltPoint.y) / Math.abs( ltPoint.y - rbPoint.y ) );
//var x=( ( lng - viewBox.lt.lng ) / ( viewBox.rb.lng - viewBox.lt.lng ) ) * viewBox.w;
//var y=( ( lat - viewBox.rb.lat ) / Math.abs( viewBox.rb.lat - viewBox.lt.lat ) ) * viewBox.h;
//var y=(viewBox.lt.lat - lat ) * (( ( viewBox.lt.lng - viewBox.rb.lng ) / viewBox.h ));
//var z=(h - vSceneMesh_ZMin) * vSceneMeshDistanceRate * vSceneMeshZRate;
var z=h * vSceneMeshDistanceRate * vSceneMeshZRate;
//x = ( x / viewBox.w ) * nGeomSizeX - (nGeomSizeX/2);
//y = ( y / viewBox.h ) * nGeomSizeY - (nGeomSizeY/2);
x = ( x * nGeomSizeX )- (nGeomSizeX/2);
y = ( (1-y) * nGeomSizeY )- (nGeomSizeY/2);
return {x:x, y:y,z:z};
}
function polyToriangles(pointArr)
{
var ret = [];
var p0 = {lng:0,lat:0};
var counter = 0;
var points = [];
for( var i=0; i<pointArr.length; i++ )
{
points.push( {
lat : pointArr[i].lat,
lng : pointArr[i].lng,
h : pointArr[i].h
} );
}
if ( points.length >= 3 && points[0].lng == points[points.length-1].lng && points[0].lat == points[points.length-1].lat )
points.splice(points.length-1,1);
var idx = _getFarPoint(p0,points);
while( points.length > 3 )
{
counter++;
var l = points.length;
var triangle = [
{lng:points[idx-1>=0?idx-1:l-1].lng,lat:points[idx-1>=0?idx-1:l-1].lat,h:points[idx-1>=0?idx-1:l-1].h},
{lng:points[idx].lng,lat:points[idx].lat,h:points[idx].h},
{lng:points[idx+1<l?idx+1:0].lng,lat:points[idx+1<l?idx+1:0].lat,h:points[idx+1<l?idx+1:0].h}
];
if ( _isTriangleInPoint(triangle,points ) )
{
idx --;
if ( idx < 0 ) idx =points.length - 1;
}
else
{
ret.push( triangle );
points.splice(idx,1);
idx = _getFarPoint(p0,points);
}
if ( counter > 10000 ) break;
}
if ( points.length == 3 )
{
ret.push( [
{lng:points[0].lng,lat:points[0].lat,h:points[0].h},
{lng:points[1].lng,lat:points[1].lat,h:points[1].h},
{lng:points[2].lng,lat:points[2].lat,h:points[2].h}
] );
return ret;
}
return null;
}
function _isTriangleInPoint( tri, points )
{
var subVector = function( a, b )
{
var ret = {};
ret.lng = a.lng - b.lng;
ret.lat = a.lat - b.lat;
return ret;
};
for( var i=0; i<points.length; i++ )
{
var p = points[i];
var AB = subVector(tri[1], tri[0]);
var BP = subVector(p, tri[1]);
var BC = subVector(tri[2], tri[1]);
var CP = subVector(p, tri[2]);
var CA = subVector(tri[0], tri[2]);
var AP = subVector(p, tri[0]);
var c1 = AB.x * BP.y - AB.y * BP.x;
var c2 = BC.x * CP.y - BC.y * CP.x;
var c3 = CA.x * AP.y - CA.y * AP.x;
if( ( c1 > 0 && c2 > 0 && c3 > 0 ) || ( c1 < 0 && c2 < 0 && c3 < 0 ) ) {
return true;
}
}
return false;
}
function _getFarPoint(p0,points)
{
var maxDistance = null;
var idx =0;
for( var i=0; i<points.length; i++ )
{
var p = points[i];
var distance = Math.sqrt(Math.pow(p0.lng-p.lng,2) + Math.pow(p0.lat-p.lat,2));
if ( maxDistance == null || maxDistance<distance )
{
maxDistance = distance;
idx=i;
}
}
return idx;
}
function Draw3DGEOData()
{
if (!oGeo3DData) return;
//var geometry = new THREE.Geometry();
var viewBox =getBoxLatLngBounds( {
lat: parseFloat(args["lat"]),
lng:parseFloat(args["lon"])},
parseInt(args["z"]),
parseInt(args["tile_n_px_w"]),
parseInt(args["tile_n_px_h"]) );
var iconNo = 0;
var iconArr = [];
for( var i=0; i<oGeo3DData.length; i++ )
{
if ( oGeo3DData[i].properties._markerType == "Polygon" )
{
var geometry = new THREE.Geometry();
var triangles = _draw3DGEODataPolygon( geometry, viewBox, oGeo3DData[i] );
oGeo3DData[i].properties._fillOpacity = ( oGeo3DData[i].properties._fillOpacity || oGeo3DData[i].properties._fillOpacity == 0 ? oGeo3DData[i].properties._fillOpacity : 0.2 );
var fillColor = oGeo3DData[i].properties._fillColor;
fillColor = ( fillColor ? fillColor : 0x0033ff );
var material = new THREE.MeshBasicMaterial(
{color: fillColor,
opacity: oGeo3DData[i].properties._fillOpacity, depthWrite:false, transparent: true});
material.side = THREE.DoubleSide;
geometry.computeFaceNormals();
geometry.computeVertexNormals();
var mesh = new THREE.Mesh(geometry, material);
if ( !oSceneGEODataMeshArr ) oSceneGEODataMeshArr = [];
oSceneGEODataMeshArr.push( {
type : "Polygon",
triangles : triangles,
mesh:mesh
} );
oScene.add(mesh);
if ( oGeo3DData[i].properties._weight )
{
var lineGeometry = new THREE.Geometry();
var points = _draw3DGEODataLineString( lineGeometry, viewBox, oGeo3DData[i] );
if ( points[0].h != points[points.length-1].h
|| points[0].lat != points[points.length-1].lat
|| points[0].lng != points[points.length-1].lng
)
points.push( {
h : points[0].h,
lat : points[0].lat,
lng : points[0].lng
});
oGeo3DData[i].properties._opacity = ( oGeo3DData[i].properties._opacity || oGeo3DData[i].properties._opacity == 0 ? oGeo3DData[i].properties._opacity : 0.5 );
var color = ( oGeo3DData[i].properties._color ? oGeo3DData[i].properties._color : 0x0033ff );
var weight = ( oGeo3DData[i].properties._weight ? oGeo3DData[i].properties._weight : 5 );
lineGeometry.computeFaceNormals();
lineGeometry.computeVertexNormals();
var lineMesh = new THREE.Line( lineGeometry, new THREE.LineBasicMaterial( {
color: color,linewidth:parseInt(weight),
opacity: oGeo3DData[i].properties._opacity, depthWrite:true, transparent: true
} ) );
//mesh.material.linewidth = 10;
if ( !oSceneGEODataMeshArr ) oSceneGEODataMeshArr = [];
oSceneGEODataMeshArr.push( {
type : "LineString",
"points" : points,
"mesh":lineMesh
} );
oScene.add(lineMesh);
}
}
else if ( oGeo3DData[i].properties._markerType == "LineString" )
{
var geometry = new THREE.Geometry();
var points = _draw3DGEODataLineString( geometry, viewBox, oGeo3DData[i] );
oGeo3DData[i].properties._opacity = ( oGeo3DData[i].properties._opacity || oGeo3DData[i].properties._opacity == 0 ? oGeo3DData[i].properties._opacity : 0.5 );
var color = ( oGeo3DData[i].properties._color ? oGeo3DData[i].properties._color : 0x0033ff );
var weight = ( oGeo3DData[i].properties._weight ? oGeo3DData[i].properties._weight : 5 );
geometry.computeFaceNormals();
geometry.computeVertexNormals();
var mesh = new THREE.Line( geometry, new THREE.LineBasicMaterial( {
color: color,linewidth:parseInt(weight), depthWrite:false,
opacity: oGeo3DData[i].properties._opacity, transparent: true
} ) );
if ( !oSceneGEODataMeshArr ) oSceneGEODataMeshArr = [];
oSceneGEODataMeshArr.push( {
type : "LineString",
points : points,
mesh:mesh
} );
oScene.add(mesh);
}
else if ( oGeo3DData[i].properties._markerType == "Icon" )
{
var latlngPoint = {
lat : oGeo3DData[i].geometry.coordinates[1],
lng : oGeo3DData[i].geometry.coordinates[0],
h : oGeo3DData[i].geometry.coordinates[2]
};
// latlngPoint.h = 0;
var point = _latLngToPointData(
viewBox,
latlngPoint.lat,
latlngPoint.lng,
latlngPoint.h);
var texture = null;// THREE.ImageUtils.loadTexture( IconTexture );
var iconScale = oGeo3DData[i].properties._iconScale;
if (!iconScale ) iconScale = 1;
var iconSize ={
w:oGeo3DData[i].properties._iconSize[0] * iconScale,
h:oGeo3DData[i].properties._iconSize[1] * iconScale
};
var screenSize = ( nGeomSizeX > nGeomSizeY ? nGeomSizeY :nGeomSizeX );
iconSize.w *= (nGeomSizeX / vTextureSizeW);
iconSize.h *= (nGeomSizeX / vTextureSizeW);
var material = new THREE.SpriteMaterial( { map: texture, useScreenCoordinates: false,transparent:true, depthWrite:true } );
var img = new Image();
img.style.width = 512;
img.style.height = 512;
img.width = 512;
img.height = 512;
img._material = material;
img._iconNo = iconNo;
img._iconSize = iconSize;
img.onload = function()
{
var imagecanvas = document.createElement('canvas');
imagecanvas.width = 512;
imagecanvas.height = 512;
var imagecontext = imagecanvas.getContext('2d');
imagecontext.drawImage( this, 0, 0, 512, 512 );
//for( var i=0; i<iconArr.length; i++ )
{
var material = this._material;
var iconNo = this._iconNo;
var iconSize = this._iconSize;
var srcX = ( (iconNo % 16 ) * 32 );
var srcY = ( Math.floor(iconNo / 16) * 32 );
var img02 = imagecontext.getImageData(srcX, srcY, 32, 32);
var imagecanvas2 = document.createElement('canvas');
imagecanvas2.width = 32;
imagecanvas2.height = 32;
var imagecontext2 = imagecanvas2.getContext('2d');
imagecontext2.putImageData(img02, 0, 0);
material.map = new THREE.Texture(imagecanvas2);
material.map.needsUpdate = true;
}
};
img.src = IconTexture;
var mesh = new THREE.Sprite( material );
mesh.position.set( point.x, point.y, point.z );
mesh.scale.set( iconSize.w,iconSize.h, 1.0 );
if ( !oSceneGEODataMeshArr ) oSceneGEODataMeshArr = [];
oSceneGEODataMeshArr.push( {
type : "Icon",
point : latlngPoint,
mesh:mesh,
iconSize : iconSize,
iconNo : iconNo
} );
oScene.add(mesh);
iconNo ++;
}
}
}
function _draw3DGEODataIcon(geometry,viewBox, data )
{
}
function _draw3DGEODataLineString(geometry,viewBox, data )
{
var points = [];
var coordinates = data.geometry.coordinates;
if ( coordinates.length <= 1 )
coordinates = coordinates[0];
for( var i=0; i<coordinates.length; i++ )
{
var p=coordinates[i];
points.push( {lng:p[0],lat:p[1],h:p[2]} );
}
for( var i=0; i<points.length; i++ )
{
var p1 = _latLngToPointData( viewBox, points[i].lat, points[i].lng, points[i].h );
geometry.vertices.push( new THREE.Vertex( new THREE.Vector3(p1.x, p1.y, p1.z) ) );
}
return points
}
function _draw3DGEODataPolygon(geometry,viewBox, data )
{
var points = [];
for( var i=0; i<data.geometry.coordinates[0].length; i ++ )
{
var p = data.geometry.coordinates[0][i];
points.push( {lng:p[0],lat:p[1],h:p[2]} );
}
var triangles = polyToriangles(points);
for( var j=0; j<triangles.length; j++ )
{
var p1 = _latLngToPointData( viewBox, triangles[j][0].lat, triangles[j][0].lng, triangles[j][0].h );//{x:triangles[0], y:triangles[1], z:vertexes[2]};
var p2 = _latLngToPointData( viewBox, triangles[j][1].lat, triangles[j][1].lng, triangles[j][1].h );//{x:vertexes[3], y:vertexes[4], z:vertexes[5]};
var p3 = _latLngToPointData( viewBox, triangles[j][2].lat, triangles[j][2].lng, triangles[j][2].h );//{x:vertexes[6], y:vertexes[7], z:vertexes[8]};
//var n = _normal( p1, p2, p3 );
var v1 = new THREE.Vector3(p1.x, p1.y, p1.z);
var v2 = new THREE.Vector3(p2.x, p2.y, p2.z);
var v3 = new THREE.Vector3(p3.x, p3.y, p3.z);
geometry.vertices.push(new THREE.Vertex(v1));
geometry.vertices.push(new THREE.Vertex(v2));
geometry.vertices.push(new THREE.Vertex(v3));
var face = new THREE.Face3( geometry.vertices.length-3, geometry.vertices.length-2, geometry.vertices.length-1 );
geometry.faces.push( face );
}
return triangles;
}
/*-----------------------------------------------------------------------------------------------*/
window.onresize = EvtResize;
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