HOOPS Web Viewer

Topic Replies Activity
I’m seeing this error in the web browser debug console: Could not create canvas: Web page was not allowed to create a WebGL context

This usually means that the user’s machine doesn’t have a sufficient graphics card/GPU to run 3D graphics apps in the browser. Often times we’ll see this when the user is trying to access HOOPS Communicator from a VM or …

2 September 16, 2019
How does HOOPS Communicator handle units?

A PRC file can have multiple units for different subassemblies which is something HOOPS Communicator keeps track of and resolves. You can query the unit multiplier from the model object which is the same for the whole mo…

3 October 8, 2019
Are the IDs for a node in the HOOPS Communicator web viewer persistent?

Yes the IDs for a node in the HOOPS Communicator web viewer are persistent

2 September 16, 2019
Does the HOOPS Communicator Web Viewer use an open source JavaScript library like Three.js, Scene.js, <insert newest javascript library> behind the scenes?

No. The Web GL viewer in HOOPS Communicator was written from the ground up to work with our streaming technology and leverages 20+ years of graphics experts in our development team.

2 September 16, 2019
Can I save camera locations/views to return to that spot?

Yes, this is a supported function of HOOPS Communicator

2 September 16, 2019
Will the node IDs always be the same between loads of the viewer?

Yes, but loading multiple models in the same scene requires accounting for a shift in node IDs. Here’s how to do this: After you’ve loaded your first model, you’ll want to keep track of the shift before loading a new mo…

2 September 16, 2019
I’m seeing a “no status file” error in the web viewer when I try to load it

This indicates there is an issue with your stream cache directory. It’s usually one of the following: The root file in your stream cache is corrupt/damaged/not there The stream cache directory is not accessible fro…

2 September 16, 2019
Is there a way I can hide the model tree widget in hoops_web_viewer_sample.html?

Yes. I recommend that each customer build out their own viewer, but using the sample is perfectly fine, and you can hide the model tree by editing some of the JavaScript UI classes that are built into the sample viewer.…

2 September 16, 2019
When I start my web application the default viewer just displays a spinner in the bottom left and never does anything else

This means there was some kind of error in your JavaScript or error contacting the Service Broker that wasn’t handled. Open the debugger in your web browser and have a look at the console output. There is usually an erro…

2 September 16, 2019
How to install Hoops Communicator in Mac 2 January 14, 2020

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