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Why methods enumNodeFragments undefined?

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2

I am working on a project in which we load two models. Loaded two models opened in the same viewer. At the moment I am looking for a way to establish transparency or hide elements.
For some reason, the hide and isolate methods work on one model, although I am passing the dbId elements of the two models.
I was advised to use the enumNodeFragments method, but in my case it is always undefined, it simply does not exist. I've tried a lot of options, so that this method has appeared, but it was all in vain.
I would like to ask for advice on how I can find this method.
By the way, let me say that for me the most important thing is to find a way to hide the elements of the two models.

javascript autodesk-forge

share|improve this question

asked Mar 24 at 13:13

Alisa BondarchukAlisa Bondarchuk

536

add a comment | 

2

I am working on a project in which we load two models. Loaded two models opened in the same viewer. At the moment I am looking for a way to establish transparency or hide elements.
For some reason, the hide and isolate methods work on one model, although I am passing the dbId elements of the two models.
I was advised to use the enumNodeFragments method, but in my case it is always undefined, it simply does not exist. I've tried a lot of options, so that this method has appeared, but it was all in vain.
I would like to ask for advice on how I can find this method.
By the way, let me say that for me the most important thing is to find a way to hide the elements of the two models.

javascript autodesk-forge

share|improve this question

asked Mar 24 at 13:13

Alisa BondarchukAlisa Bondarchuk

536

add a comment | 

I am working on a project in which we load two models. Loaded two models opened in the same viewer. At the moment I am looking for a way to establish transparency or hide elements.
For some reason, the hide and isolate methods work on one model, although I am passing the dbId elements of the two models.
I was advised to use the enumNodeFragments method, but in my case it is always undefined, it simply does not exist. I've tried a lot of options, so that this method has appeared, but it was all in vain.
I would like to ask for advice on how I can find this method.
By the way, let me say that for me the most important thing is to find a way to hide the elements of the two models.

javascript autodesk-forge

share|improve this question

asked Mar 24 at 13:13

Alisa BondarchukAlisa Bondarchuk

536

share|improve this question

asked Mar 24 at 13:13

Alisa BondarchukAlisa Bondarchuk

536

share|improve this question

asked Mar 24 at 13:13

Alisa BondarchukAlisa Bondarchuk

536

asked Mar 24 at 13:13

Alisa BondarchukAlisa Bondarchuk

536

asked Mar 24 at 13:13

Alisa BondarchukAlisa Bondarchuk

536

1 Answer
1

active

oldest

votes

1

Like we discussed in the other thread this method is only available after the geometry data of the model is loaded - Viewer needs to tell whether the model is suitable for node fragment enumeration before it exposes the method:

viewer.addEventListener(Autodesk.Viewing.GEOMETRY_LOADED_EVENT,()=> viewer.model.getData().instanceTree.enumNodeFragments(dbid, fragId => console.log(fragId)))

See live code here.

share|improve this answer

edited Mar 26 at 2:58

answered Mar 25 at 2:30

Bryan HuangBryan Huang

1,8251912

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you very much. Sorry, but I still get undefined. Here is my code that I use.
  
  – Alisa Bondarchuk
  Mar 25 at 5:22
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I also tried to get in the console enumNodeFragments using the code you suggested, but I just do not get anything.
  
  – Alisa Bondarchuk
  Mar 25 at 5:33
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Did you pass in the correct dbid? My live code runs because 4 is a valid dbid for the model I am using...
  
  – Bryan Huang
  Mar 26 at 2:59
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Sorry, it was my mistake, your code is working. I don’t know why, but I can’t convert my code so that it works. I added your code to my project and it worked. It turned out that you use viewer.start (), and I use a completely different code to load several models. I need to convert my code so that it works as it should. I will be glad to advice, thank you very much.
  
  – Alisa Bondarchuk
  Mar 26 at 5:37
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Hello Bryan Huang. I continued to look for a solution for this problem and came to the following result. When I bring my svfUrl the value that you passed to options.document in your code, you get everything you need, but if I instead use the following code as I get undefined. The problem is in this code, but how can I change it? doc.getViewablePath (initialViewable)
  
  – Alisa Bondarchuk
  Mar 28 at 7:24
  

  
  
  
  

 | 
show 1 more comment

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1

Like we discussed in the other thread this method is only available after the geometry data of the model is loaded - Viewer needs to tell whether the model is suitable for node fragment enumeration before it exposes the method:

viewer.addEventListener(Autodesk.Viewing.GEOMETRY_LOADED_EVENT,()=> viewer.model.getData().instanceTree.enumNodeFragments(dbid, fragId => console.log(fragId)))

See live code here.

share|improve this answer

edited Mar 26 at 2:58

answered Mar 25 at 2:30

Bryan HuangBryan Huang

1,8251912

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you very much. Sorry, but I still get undefined. Here is my code that I use.
  
  – Alisa Bondarchuk
  Mar 25 at 5:22
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I also tried to get in the console enumNodeFragments using the code you suggested, but I just do not get anything.
  
  – Alisa Bondarchuk
  Mar 25 at 5:33
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Did you pass in the correct dbid? My live code runs because 4 is a valid dbid for the model I am using...
  
  – Bryan Huang
  Mar 26 at 2:59
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Sorry, it was my mistake, your code is working. I don’t know why, but I can’t convert my code so that it works. I added your code to my project and it worked. It turned out that you use viewer.start (), and I use a completely different code to load several models. I need to convert my code so that it works as it should. I will be glad to advice, thank you very much.
  
  – Alisa Bondarchuk
  Mar 26 at 5:37
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Hello Bryan Huang. I continued to look for a solution for this problem and came to the following result. When I bring my svfUrl the value that you passed to options.document in your code, you get everything you need, but if I instead use the following code as I get undefined. The problem is in this code, but how can I change it? doc.getViewablePath (initialViewable)
  
  – Alisa Bondarchuk
  Mar 28 at 7:24
  

  
  
  
  

 | 
show 1 more comment

1

Like we discussed in the other thread this method is only available after the geometry data of the model is loaded - Viewer needs to tell whether the model is suitable for node fragment enumeration before it exposes the method:

viewer.addEventListener(Autodesk.Viewing.GEOMETRY_LOADED_EVENT,()=> viewer.model.getData().instanceTree.enumNodeFragments(dbid, fragId => console.log(fragId)))

See live code here.

share|improve this answer

edited Mar 26 at 2:58

answered Mar 25 at 2:30

Bryan HuangBryan Huang

1,8251912

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you very much. Sorry, but I still get undefined. Here is my code that I use.
  
  – Alisa Bondarchuk
  Mar 25 at 5:22
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I also tried to get in the console enumNodeFragments using the code you suggested, but I just do not get anything.
  
  – Alisa Bondarchuk
  Mar 25 at 5:33
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Did you pass in the correct dbid? My live code runs because 4 is a valid dbid for the model I am using...
  
  – Bryan Huang
  Mar 26 at 2:59
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Sorry, it was my mistake, your code is working. I don’t know why, but I can’t convert my code so that it works. I added your code to my project and it worked. It turned out that you use viewer.start (), and I use a completely different code to load several models. I need to convert my code so that it works as it should. I will be glad to advice, thank you very much.
  
  – Alisa Bondarchuk
  Mar 26 at 5:37
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Hello Bryan Huang. I continued to look for a solution for this problem and came to the following result. When I bring my svfUrl the value that you passed to options.document in your code, you get everything you need, but if I instead use the following code as I get undefined. The problem is in this code, but how can I change it? doc.getViewablePath (initialViewable)
  
  – Alisa Bondarchuk
  Mar 28 at 7:24
  

  
  
  
  

 | 
show 1 more comment

Like we discussed in the other thread this method is only available after the geometry data of the model is loaded - Viewer needs to tell whether the model is suitable for node fragment enumeration before it exposes the method:

viewer.addEventListener(Autodesk.Viewing.GEOMETRY_LOADED_EVENT,()=> viewer.model.getData().instanceTree.enumNodeFragments(dbid, fragId => console.log(fragId)))

See live code here.

share|improve this answer

edited Mar 26 at 2:58

answered Mar 25 at 2:30

Bryan HuangBryan Huang

1,8251912

viewer.addEventListener(Autodesk.Viewing.GEOMETRY_LOADED_EVENT,()=> viewer.model.getData().instanceTree.enumNodeFragments(dbid, fragId => console.log(fragId)))

share|improve this answer

edited Mar 26 at 2:58

answered Mar 25 at 2:30

Bryan HuangBryan Huang

1,8251912

answered Mar 25 at 2:30

Bryan HuangBryan Huang

1,8251912

answered Mar 25 at 2:30

Bryan HuangBryan Huang

1,8251912