1. A concise explanation of the problem you're experiencing.
i just use a method to convert daes to b3dm, and construt a tileset.json,but when i load the 3dtiles, it only load the root data,just as Tile_+055_+039.b3dm. i guess the geometricError or region is not correct.
2. A minimal code example. If you've found a bug, this helps us reproduce and repair it.
function buildTilesetJsons(files,startTime){
let tempTilset={
asset:{version:"0.0"},
geometricError:1200.0,
root:{
boundingVolume:{},
refine:"REPLACE",
geometricError:0.0,
children:
}
};
/*let children={
boundingVolume:{},
geometricError:0.0,
children:
};*/
/*let child = {
boundingVolume:{},
content:{}
};*/
let rootXmlData = fs.readFileSync(rootXml,'utf-8');
//console.log("开始读取===="+rootXml);
xmlreader.read(rootXmlData,function(errors,response){
var tiles = response.LODTreeExport.Tile;
//console.log("=========tiles.count()===="+tiles.count());
let jsonFile = path.join(outputDirName,tiles.at(0).attributes().name,tiles.at(0).attributes().name+".json");
tempTilset.root.boundingVolume = createBoundingBoxArray(files.map(tile => tile.extent).reduce(mergeExtents));
tempTilset.root.geometricError = 1200.0;
tempTilset.root.refine="REPLACE";
for(var i = 0;i < tiles.count();i++){//tiles.count()
var nodexml = path.join(inputDirName,tiles.at(i).attributes().path);
console.log("=========nodexml===="+nodexml);
//找到每个文件夹的根文件
let children={
boundingVolume:{},
geometricError:0.0,
children:
};
let curTile = findTile(files,tiles.at(i).attributes().name+".b3dm");
//console.log("=================name==========="+tiles.at(i).attributes().name+".b3dm");
//console.log("=================base==========="+path.basename(curTile.path));
children.boundingVolume = createBoundingBoxArray(curTile.extent);
children.geometricError=100.0;
let child = {
boundingVolume:{},
content:{}
};
child.boundingVolume=createBoundingBoxArray(curTile.extent);
child.content={url:tiles.at(i).attributes().path.replace(".xml",".json")};
children.children.push(child);
tempTilset.root.children.push(children);
//同步写入下属json 开始
var nodexmlData = fs.readFileSync(nodexml,'utf-8');
xmlreader.read(nodexmlData,function(errors,response){
if(null!=errors){
console.log(errors);
return;
}
let subJsonFile = path.join(outputDirName,tiles.at(i).attributes().path.replace(".xml",".json"));
var tile = response.LODTreeExport.Tile;
var tilename = tile.attributes().name;
var globalGeometricError = 64;
getAllNode(tile,tilename,subJsonFile,files,globalGeometricError,1);
//console.log("******tile："+tile+"*************tilename："+tilename+"****subJsonFile："+subJsonFile+"****files："+files+"******************");
});
//同步写入下属json 结束
}
//console.log(child);
//console.log(children);
var jsonStr = JSON.stringify(tempTilset,null,2);
//console.log(jsonStr);
//console.log(jsonFile);//jsonFile 其他json
//tilesetPath 根json
writeFile(tilesetPath,jsonStr);
let endTime=new Date().getTime();
var timeStr=Math.round((endTime-startTime)/(1000));//四舍五入取整
console.log("*******************总共耗时："+timeStr+"秒**************************");
});
}
function getAllNode(tile,tilename,rootJsonFile,files,globalGeometricError,indexStr){
var oneGeometricError = 0.0
if(indexStr==1){
oneGeometricError = 100.0;
}else{
globalGeometricError = globalGeometricError/2;
oneGeometricError = globalGeometricError;
}
let tempTilset={
asset:{version:"0.0"},
geometricError:oneGeometricError,
root:{
boundingVolume:{},
refine:"REPLACE",
geometricError:0.0,
content:{},
children:
}
};
//console.log(tile.ModelPath.text());
//第一级，存储数据路径和范围
tempTilset.root.content={url:tile.ModelPath.text().replace(".dae",".b3dm")};
let curTile = findTile(files,tile.ModelPath.text().replace(".dae",".b3dm"));
//console.log("=================name==========="+tile.ModelPath.text().replace(".dae",".b3dm"));
//console.log("=================base==========="+path.basename(curTile.path));
tempTilset.root.boundingVolume = createBoundingBoxArray(curTile.extent);
globalGeometricError = globalGeometricError/2;
tempTilset.root.geometricError = globalGeometricError;
//第二级，存储数据路径和范围
if(tile.Node!=undefined){
var globalGeometricError1 = globalGeometricError/2;
for(var i = 0;i < tile.Node.count();i++){
let subNode = tile.Node.at(i);
curTile = findTile(files,subNode.ModelPath.text().replace(".dae",".b3dm"));
let children1={
boundingVolume:{},
geometricError:0.0,
content:{},
children:
};
children1.boundingVolume = createBoundingBoxArray(curTile.extent);
children1.geometricError = globalGeometricError1;
children1.content={url:subNode.ModelPath.text().replace(".dae",".b3dm")};
tempTilset.root.children.push(children1);
//第三级，存储数据路径和范围
if(subNode.Node!=undefined){
var globalGeometricError2 = globalGeometricError1/2;
for(var j = 0;j<subNode.Node.count();j++){
let subNode2=subNode.Node.at(j);
curTile = findTile(files,subNode2.ModelPath.text().replace(".dae",".b3dm"));
let children2={
boundingVolume:{},
geometricError:0.0,
content:{},
children:
};
children2.boundingVolume = createBoundingBoxArray(curTile.extent);
children2.geometricError = globalGeometricError2;
//console.log(subNode2.ModelPath.text());
children2.content={url:subNode2.ModelPath.text().replace(".dae",".b3dm")};
children1.children.push(children2);
//第四级，存储json路径和范围
if(subNode2.Node!=undefined){
//如果接下来的节点还有数据，再进行循环
var globalGeometricError3 = globalGeometricError2/2;
for(var k=0;k<subNode2.Node.count();k++){
let subNode3 = subNode2.Node.at(k);
curTile = findTile(files,subNode3.ModelPath.text().replace(".dae",".b3dm"));
let child = {
boundingVolume:{},
geometricError:0.0,
content:{}
};
child.boundingVolume = createBoundingBoxArray(curTile.extent);
child.geometricError = globalGeometricError3;
let subrootJsonFile = path.join(outputDirName+"/"+tilename,subNode3.ModelPath.text().replace(".dae",".json"));
child.content={url:subNode3.ModelPath.text().replace(".dae",".json")};
children2.children.push(child);
//递归
//console.log("******subNode3："+subNode3+"*************tilename："+tilename+"****subrootJsonFile："+subrootJsonFile+"**********************");
getAllNode(subNode3,tilename,subrootJsonFile,files,globalGeometricError2,2);
}
}
}
}else{
delete children1.children;
}
}
writeFile(rootJsonFile, JSON.stringify(tempTilset,null,2));
}
//表示已经没有节点
else{
if(tile.ModelPath!=undefined){
//处理直接生成的dae文件
allFiles.push(path.join(outputDirName,tilename,tile.ModelPath.text()));
}
}
}
3. Context. Why do you need to do this? We might know a better way to accomplish your goal.
the json files is like this .
tileset.json
{
"asset": {
"version": "0.0"
},
"geometricError": 1200,
"root": {
"boundingVolume": {
"region": [
2.1093319223398894,
0.5150077332975972,
2.109353756774038,
0.5150425230102331,
32.41446422535516,
95.78644371496954
]
},
"refine": "REPLACE",
"geometricError": 1200,
"children": [
{
"boundingVolume": {
"region": [
2.1093319461156756,
0.5150077332975972,
2.109353756774038,
0.5150269905250859,
32.5293360463229,
55.02746174529106
]
},
"geometricError": 100,
"children": [
{
"boundingVolume": {
"region": [
2.1093319461156756,
0.5150077332975972,
2.109353756774038,
0.5150269905250859,
32.5293360463229,
55.02746174529106
]
},
"content": {
"url": "Tile_+055_+039/Tile_+055_+039.json"
}
}
]
},
{
"boundingVolume": {
"region": [
2.1093319223398894,
0.5150235951660699,
2.109353705038153,
0.5150425230102331,
32.41446422535516,
95.75807922109873
]
},
"geometricError": 100,
"children": [
{
"boundingVolume": {
"region": [
2.1093319223398894,
0.5150235951660699,
2.109353705038153,
0.5150425230102331,
32.41446422535516,
95.75807922109873
]
},
"content": {
"url": "Tile_+055_+040/Tile_+055_+040.json"
}
}
]
}
]
}
}
Tile_+055_+039.json is :
{
"asset": {
"version": "0.0"
},
"geometricError": 100,
"root": {
"boundingVolume": {
"region": [
2.1093319461156756,
0.5150077332975972,
2.109353756774038,
0.5150269905250859,
32.5293360463229,
55.02746174529106
]
},
"refine": "REPLACE",
"geometricError": 32,
"content": {
"url": "Tile_+055_+039.b3dm"
},
"children": [
{
"boundingVolume": {
"region": [
2.1093319460621607,
0.5150077622195713,
2.1093537567415472,
0.515026733610233,
34.53634721124402,
55.135626941890145
]
},
"geometricError": 1200,
"content": {
"url": "Tile_+055_+039_L16_0.b3dm"
},
"children": [
{
"boundingVolume": {
"region": [
2.109331951638152,
0.515007846358463,
2.109353681036058,
0.5150260126520895,
35.02518571728498,
55.54308124724792
]
},
"geometricError": 8,
"content": {
"url": "Tile_+055_+039_L17_00.b3dm"
},
"children": [
{
"boundingVolume": {
"region": [
2.1093319950306,
0.51500792289164,
2.1093536774276047,
0.5150259530985015,
34.69765550180329,
55.48124511645763
]
},
"geometricError": 4,
"content": {
"url": "Tile_+055_+039_L18_000.json"
}
}
]
}
]
}
]
}
}
Tile_+055_+039_L18_000.json is
{
"asset": {
"version": "0.0"
},
"geometricError": 4,
"root": {
"boundingVolume": {
"region": [
2.1093319950306,
0.51500792289164,
2.1093536774276047,
0.5150259530985015,
34.69765550180329,
55.48124511645763
]
},
"refine": "REPLACE",
"geometricError": 2,
"content": {
"url": "Tile_+055_+039_L18_000.b3dm"
},
"children": [
{
"boundingVolume": {
"region": [
2.1093326294231716,
0.5150084474898666,
2.109343904052999,
0.515017801207737,
34.6984176966166,
51.69418849532727
]
},
"geometricError": 1,
"content": {
"url": "Tile_+055_+039_L19_0000.b3dm"
},
"children": [
{
"boundingVolume": {
"region": [
2.1093334019986827,
0.5150086786124664,
2.109338589979018,
0.5150138369437016,
35.4894830864724,
47.555956998028385
]
},
"geometricError": 0.5,
"content": {
"url": "Tile_+055_+039_L20_00000.b3dm"
},
"children": [
{
"boundingVolume": {
"region": [
2.1093335586335265,
0.5150090405394767,
2.1093364116969733,
0.5150118500475287,
35.72076632943189,
47.283651041461205
]
},
"geometricError": 0.25,
"content": {
"url": "Tile_+055_+039_L21_000000.json"
}
},
{
"boundingVolume": {
"region": [
2.109335853742551,
0.5150092553511421,
2.1093385035490546,
0.5150116370656858,
35.866077035555456,
39.95043072501239
]
},
"geometricError": 0.25,
"content": {
"url": "Tile_+055_+039_L21_000001.json"
}
},
{
"boundingVolume": {
"region": [
2.1093335642546003,
0.5150110941489426,
2.1093364787744937,
0.5150136626727333,
35.49062453362607,
37.27399752769732
]
},
"geometricError": 0.25,
"content": {
"url": "Tile_+055_+039_L21_000002.json"
}
},
{
"boundingVolume": {
"region": [
2.109335488521534,
0.5150111421428142,
2.109338546962758,
0.5150134936736875,
35.765037166379614,
40.02897118691674
]
},
"geometricError": 0.25,
"content": {
"url": "Tile_+055_+039_L21_000003.json"
}
}
]
},
{
"boundingVolume": {
"region": [
2.1093378139207357,
0.5150084475665796,
2.1093430935849917,
0.5150136540810555,
35.79269408838976,
51.46967403927684
]
},
"geometricError": 0.5,
"content": {
"url": "Tile_+055_+039_L20_00001.b3dm"
},
"children": [
{
"boundingVolume": {
"region": [
2.1093381541738356,
0.5150088484711689,
2.10934102152032,
0.5150115264996691,
35.90065972580069,
51.02265823963113
]
},
"geometricError": 0.25,
"content": {
"url": "Tile_+055_+039_L21_000010.json"
}
},
{
"boundingVolume": {
"region": [
2.1093402548786635,
0.5150091504245817,
2.1093430429770135,
0.5150114892398922,
36.171273355354245,
51.16659366257611
]
},
"geometricError": 0.25,
"content": {
"url": "Tile_+055_+039_L21_000011.json"
}
},
{
"boundingVolume": {
"region": [
2.1093380860277096,
0.51501128918195,
2.109340741240338,
0.5150136012485844,
35.81740975441053,
40.15880095001122
]
},
"geometricError": 0.25,
"content": {
"url": "Tile_+055_+039_L21_000012.json"
}
},
{
"boundingVolume": {
"region": [
2.1093403757012417,
0.5150112573595658,
2.109343018331653,
0.5150136010150783,
35.83696254026294,
40.0501805787861
]
},
"geometricError": 0.25,
"content": {
"url": "Tile_+055_+039_L21_000013.json"
}
}
]
},
{
"boundingVolume": {
"region": [
2.109333184629391,
0.5150127314259489,
2.1093390996549424,
0.5150175203772145,
34.801492883194896,
51.6896739483047
]
},
"geometricError": 0.5,
"content": {
"url": "Tile_+055_+039_L20_00002.b3dm"
},
"children": [
{
"boundingVolume": {
"region": [
2.109333397034311,
0.515012914534666,
2.1093363525980764,
0.5150157632586028,
35.516555328363665,
50.69651998388941
]
},
"geometricError": 0.25,
"content": {
"url": "Tile_+055_+039_L21_000020.json"
}
},
{
"boundingVolume": {
"region": [
2.109335711926486,
0.5150130791753982,
2.109338793461332,
0.515015706518722,
35.79626461943211,
51.72437116226651
]
},
"geometricError": 0.25,
"content": {
"url": "Tile_+055_+039_L21_000021.json"
}
},
{
"boundingVolume": {
"region": [
2.1093333630500894,
0.5150148540887698,
2.1093363995814327,
0.5150175031490964,
34.802579734660334,
50.697356220725176
]
},
"geometricError": 0.25,
"content": {
"url": "Tile_+055_+039_L21_000022.json"
}
},
{
"boundingVolume": {
"region": [
2.1093357913252238,
0.5150149516111081,
2.109338793688316,
0.5150175086630449,
35.713758160776734,
50.41599398403622
]
},
"geometricError": 0.25,
"content": {
"url": "Tile_+055_+039_L21_000023.json"
}
}
]
},
{
"boundingVolume": {
"region": [
2.1093378558009435,
0.5150130551965755,
2.109343772625253,
0.5150174562300327,
35.722260779959626,
51.33560817073643
]
},
"geometricError": 0.5,
"content": {
"url": "Tile_+055_+039_L20_00003.b3dm"
},
"children": [
{
"boundingVolume": {
"region": [
2.1093381402418716,
0.5150132066409419,
2.109340730326114,
0.5150157390954833,
35.70538086762666,
51.332037016301776
]
},
"geometricError": 0.25,
"content": {
"url": "Tile_+055_+039_L21_000030.json"
}
},
{
"boundingVolume": {
"region": [
2.1093403705057145,
0.5150132171824268,
2.1093430326040576,
0.5150155613594196,
35.73859696192506,
51.11126107325546
]
},
"geometricError": 0.25,
"content": {
"url": "Tile_+055_+039_L21_000031.json"
}
},
{
"boundingVolume": {
"region": [
2.1093379226096536,
0.5150150692701031,
2.109340770133357,
0.5150174819108542,
35.82161142160388,
51.17627169512974
]
},
"geometricError": 0.25,
"content": {
"url": "Tile_+055_+039_L21_000032.json"
}
},
{
"boundingVolume": {
"region": [
2.109340413920311,
0.5150150474675188,
2.109343655620423,
0.5150174366274801,
35.76014169751965,
51.13459009384219
]
},
"geometricError": 0.25,
"content": {
"url": "Tile_+055_+039_L21_000033.json"
}
}
]
}
]
},
{
"boundingVolume": {
"region": [
2.109342308701009,
0.5150086911965511,
2.1093527477783707,
0.5150178005390136,
35.648559535552856,
51.86735323560816
]
},
"geometricError": 1,
"content": {
"url": "Tile_+055_+039_L19_0001.b3dm"
},
"children": [
{
"boundingVolume": {
"region": [
2.109342488728113,
0.5150089525122308,
2.1093489923836435,
0.5150136528096799,
35.88573127601493,
51.83558349910617
]
},
"geometricError": 0.5,
"content": {
"url": "Tile_+055_+039_L20_00010.b3dm"
},
"children": [
{
"boundingVolume": {
"region": [
2.1093425859372377,
0.5150090045647916,
2.1093453632660166,
0.5150116450615274,
36.11584121953065,
51.466308159045745
]
},
"geometricError": 0.25,
"content": {
"url": "Tile_+055_+039_L21_000100.json"
}
},
{
"boundingVolume": {
"region": [
2.1093447658316897,
0.5150092133501911,
2.1093479391324297,
0.5150116536552239,
36.16083895124384,
51.80542705514009
]
},
"geometricError": 0.25,
"content": {
"url": "Tile_+055_+039_L21_000101.json"
}
},
{
"boundingVolume": {
"region": [
2.1093426257648256,
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2.109345405215261,
0.5150135726822396,
35.878948155899955,
40.14467811907044
]
},
"geometricError": 0.25,
"content": {
"url": "Tile_+055_+039_L21_000102.json"
}
},
{
"boundingVolume": {
"region": [
2.1093446922587886,
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0.5150134752906865,
35.91716487050623,
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]
},
"geometricError": 0.25,
"content": {
"url": "Tile_+055_+039_L21_000103.json"
}
}
]
},
{
"boundingVolume": {
"region": [
2.109346886300046,
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2.1093526033627987,
0.5150140180964954,
35.963555288710275,
51.79500059441171
]
},
"geometricError": 0.5,
"content": {
"url": "Tile_+055_+039_L20_00011.b3dm"
},
"children": [
{
"boundingVolume": {
"region": [
2.1093470735332196,
0.5150092866831515,
2.109350027206989,
0.5150116393254772,
36.14032685330628,
51.485800257774926
]
},
"geometricError": 0.25,
"content": {
"url": "Tile_+055_+039_L21_000110.json"
}
},
{
"boundingVolume": {
"region": [
2.109349199382181,
0.5150091755178622,
2.109352187272844,
0.5150116504436918,
36.19349040758112,
51.75977670039742
]
},
"geometricError": 0.25,
"content": {
"url": "Tile_+055_+039_L21_000111.json"
}
},
{
"boundingVolume": {
"region": [
2.1093471115153255,
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2.1093499989800075,
0.5150135108960621,
36.084767942722095,
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]
},
"geometricError": 0.25,
"content": {
"url": "Tile_+055_+039_L21_000112.json"
}
},
{
"boundingVolume": {
"region": [
2.1093494390009955,
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2.1093522652813403,
0.5150136382597607,
35.966807873678746,
39.84861351722068
]
},
"geometricError": 0.25,
"content": {
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4. The Cesium version you're using, your operating system and browser.
