I am use to develop one web app using Forge API. It's working well and good. At the same time am using design automation in forge. I can able to create Package and it's working fine.
I will process the dwg file using forge api preparing to viewer. I can able to view dwg in browser.
My issue is I have viewer click event the event click populate the element id. However, my package I can get only the object id. element id and object id totally different.
What is the conman id each object client and server side.
Summary: when user click the object in viewer I want to capture id and store my local database. and using package I need to process the user clicked object.
Example: when user click the drawing number in viewer. From the next time I want change the drawing number dynamically using call package from C# code.
For an RVT file, one easy way to handle this is to extract the Forge externalId from the Forge object properties. That is equal to the Revit element UniqueId property. The RvtMetaProp Revit add-in makes use of this.
Oh, now I just found a better, more complete and succinct explanation of Unique IDs for Forge Viewer Elements:
The Viewer gives access to three types of IDs when dealing with Revit files:
dbId: this is viewer specific and used to manipulate elements within the viewer, such as for the .getProperties() method.
Revit ElementID: exposed as part of the Name property in the viewer. When you select something, the Property panel title is in the form of 'Name [12345]'. You can parse this name string and extract the element id.
Revit UniqueID: exposed as the externalId property in the .getProperty() response.
Related
we are working on to get element property from elementid and dbid, that we can get by loading model on viewer and access the method, but is there any api that forge provide, can we get element property without loading model for that is there any api is available or not.
Thank you.
If you want to get element parameters without opening the Forge Viewer, you can take advantage of the Model Derivative API itself. Here are three endpoints for your reference. Please execute them after your svf/svf2 translation job is completed&successful, then run them by sequence.
https://forge.autodesk.com/en/docs/model-derivative/v2/reference/http/urn-metadata-GET/
https://forge.autodesk.com/en/docs/model-derivative/v2/reference/http/urn-metadata-guid-GET/
https://forge.autodesk.com/en/docs/model-derivative/v2/reference/http/urn-metadata-guid-properties-GET/
I'm trying to get the Discipline Property of a Revit Model uploaded to BIM 360. I was able to get the list of views by GET
https://developer.api.autodesk.com/modelderivative/v2/designdata/URL_SAFE_URN_OF_SOURCE_FILE/metadata
However there is no data on Discipline. Where and how can I get it?
I'm not familiar with "Discipline Properties" in Revit but I can comment on the Forge side of things:
The GET :urn/metadata endpoint simply returns a list of "viewables" that were extracted from the source design file. In case of Revit, these are typically 3D views or 2D sheets. I'm not aware of any other types of viewables that could be extracted by the Model Derivative service.
If the "discipline property" is a property available on some of the Revit elements, you might want to take a look at the GET :urn/metadata/:guid/properties endpoint. This one returns a JSON with properties of objects in one of the extracted viewables. Note that those properties are also accessible from Forge Viewer using its APIs.
In general, the Model Derivative service is trying to extract the "right" amount of information, making sure that the viewer gets all the important data for visualization and analysis, but also making sure that the size of the converted output stays in bounds. If there is some specific information in Revit designs that you need that is not extracted automatically, you can consider using the Design Automation service to process your Revit models in the cloud and extract all the information with your custom Revit plugin.
I am trying to make a function that click a button in javascript to go to a specific location.
I want to use "viewer.isolate (dbid) or viewer.fitToView (dbid)".
(Is it possible with Autodesk Forge?)
How do I specify "dbid" when creating a dwg file with autodesk cad?
A dbId is defined when Forge translates your design files (whether it's AutoCAD, Inventor, SolidWorks, Revit, etc.) for the viewer, so you cannot really specify dbIds in the CAD application. You can however use the viewer APIs to search for objects with specific properties, for example, with a specific AutoCAD handle or with a specific Revit ID, and obtain the dbId that way.
Once you have a dbId of an object you're interested in, you can use any of the viewer APIs to select it, hide it, navigate to it, etc.
In my Revit model I have groups of objects that I can select when working in Revit. Now, using this model in Forge viewer, I can only select the single elements (or their parent elements in the browser structure), but I cannot reconstruct my groups from Revit.
Is there a possibility, or some proposed workaround?
Do you see those groups in the viewer model browser? For example you get components grouped by Walls, Floors and so on. If the components are grouped by another way, then there is probably no direct way to select them in the viewer.
You would need to establish the mapping yourself, for example you can access the Revit elementId for a given component dbId using viewer.getProperties(dbid, function(res)) > res.externalId is the revit Id. If you store - eg. in a custom DB - your Revit groups along with the list of Revit Ids in each group, then you can map that to the Viewer components dbIds when you load the model. Using the selection event, when you select a component, check in which group it belongs to and select programmatically other components of that group. You could also create a custom UI to visualize that or derive the model browser to show those groups. It requires programming work obviously.
I agree with Philippe. The Forge translation process does not have the same notion of groups as Revit. Remember that Forge has to implement mechanisms that are valid for all kinds of different types of CAD seed files. You can implement Philippe's suggestion by retrieving all groups in Revit using the Revit API and a FilteredElementCollector, determine their member element and instance ids, and use that information to create the required mapping.
I am trying to integrate the autodesk a360 viewer into my web application. However, we'll like to extract the object properties of the selected object to fetch additional information from within our database. For example, when user clicks on a door, we wan to extract the tag id of this door from the object properties and perform some sql query with this tag id.
I've seen autodesk forge, but it i m not too sure if it is an overkill or its to direction to go.
Yes, what you want to achieve is absolutely possible within Forge. Actually, there are 2 ways to get the properties for an object. Either from server side(Model Derivate API) or client side(Forge Viewer API), I listed both of them here in case you are interested. But for your case, I think the 2nd way to use Forge Viewer API is more suitable.
1st solution, with Model Derivative API, it provides the following 3 APIs, the 1st API is used to get a list of model view Ids for a design model. Then, you can use the 2nd API to get a hierarchical list of objects for the model view. With the last API, you can get all the properties for the specified object that is represented by guid.
Please check the Model Derivative API for the details about following 3 APIs.
GET :urn/metadata
GET :urn/metadata/:guid
GET :urn/metadata/:guid/properties
2nd Solution is using Forge Viewer API, first, you need to register an event of SELECTION_CHANGED_EVENT, within that event, it’s easy to get dbId of the selected object, and use the API getProperties as follow to fetch all the properties you want, then perform some sql query with this property as you want. The code snippet is as follow, and I have a small sample code to demonstrate the solution if you are interested.
currentModel.getProperties(dbId, function(result) {
console.log("List properties of DbId:" + dbId);
if (result.properties) {
result.properties.forEach(function(prop) {
// call API to perform sql query with the property you are interested
console.log(prop);
});
};
});
Hope it helps.