# \#faq **URL:** https://forum.techsoft3d.com/tag/faq/20.md [Latest](https://forum.techsoft3d.com/latest.md) · [Categories](https://forum.techsoft3d.com/categories.md) · [Tags](https://forum.techsoft3d.com/tags.md) --- ## [HOOPS Envision Web HTTPS server using reverse proxy](https://forum.techsoft3d.com/t/hoops-envision-web-https-server-using-reverse-proxy/1683)
**Author:** [@Toshi-TS3D](https://forum.techsoft3d.com/u/Toshi-TS3D)\ **Replies:** 0\ **Last updated:** [March 7, 2023, 4:27am UTC](https://forum.techsoft3d.com/t/hoops-envision-web-https-server-using-reverse-proxy/1683 "2023-03-07T04:27:00Z")
Introduction This article is step-by-step guide to create CEETRON Envision Web server with HTTPS (SSL) server. When UG server is configured, there is a non-standard port: 8998 that is open to the internet, posing a secu… --- ## [FAQ: When I turn on back face culling, why are the front faces culled?](https://forum.techsoft3d.com/t/faq-when-i-turn-on-back-face-culling-why-are-the-front-faces-culled/1500)
**Author:** [@gabriel.peragine](https://forum.techsoft3d.com/u/gabriel.peragine)\ **Replies:** 1\ **Last updated:** [August 14, 2025, 3:10pm UTC](https://forum.techsoft3d.com/t/faq-when-i-turn-on-back-face-culling-why-are-the-front-faces-culled/1500 "2025-08-14T15:10:02Z")
When I create a cube and insert the vertices in a left-handed orientation like this: And I set polygon handedness to right using: mySegmentKey.GetDrawingAttributeControl().SetPolygonHandedness(HPS::Drawing::Handedne… --- ## [FAQ: Can I use the Communicator Web Viewer with CSP Rules?](https://forum.techsoft3d.com/t/faq-can-i-use-the-communicator-web-viewer-with-csp-rules/1307)
**Author:** [@gabriel.peragine](https://forum.techsoft3d.com/u/gabriel.peragine)\ **Replies:** 5\ **Last updated:** [July 19, 2025, 1:05am UTC](https://forum.techsoft3d.com/t/faq-can-i-use-the-communicator-web-viewer-with-csp-rules/1307 "2025-07-19T01:05:09Z")
What is a Content Security Policy? Content Security Policy (CSP) is an added layer of security that helps to detect and mitigate certain types of attacks, including Cross-Site Scripting (XSS) and data injection attacks. … --- ## [FAQ: Telemetry Data Collection in HOOPS Exchange](https://forum.techsoft3d.com/t/faq-telemetry-data-collection-in-hoops-exchange/4733)
**Author:** [@gabriel.peragine](https://forum.techsoft3d.com/u/gabriel.peragine)\ **Replies:** 0\ **Last updated:** [June 20, 2025, 3:06pm UTC](https://forum.techsoft3d.com/t/faq-telemetry-data-collection-in-hoops-exchange/4733 "2025-06-20T15:06:46Z")
Introduction What Is Telemetry Data Collection In HOOPS Exchange ? In order to better understand the license usage by the evaluators of HOOPS Exchange, HOOPS Native Platform and HOOPS Web Platform, some data like licens… --- ## [FAQs: USD for HOOPS Exchange](https://forum.techsoft3d.com/t/faqs-usd-for-hoops-exchange/4696)
**Author:** [@gabriel.peragine](https://forum.techsoft3d.com/u/gabriel.peragine)\ **Replies:** 0\ **Last updated:** [May 28, 2025, 12:38am UTC](https://forum.techsoft3d.com/t/faqs-usd-for-hoops-exchange/4696 "2025-05-28T00:38:38Z")
HOOPS Exchange supports an experimental integration with OpenUSD — Universal Scene Description to export USD files. How do I create USD files with HOOPS Exchange? Detailed information is available about our USD Writer,… --- ## [FAQ: Is there a reference guide for the Resource Monitor?](https://forum.techsoft3d.com/t/faq-is-there-a-reference-guide-for-the-resource-monitor/1490)
**Author:** [@gabriel.peragine](https://forum.techsoft3d.com/u/gabriel.peragine)\ **Replies:** 0\ **Last updated:** [December 20, 2021, 5:00am UTC](https://forum.techsoft3d.com/t/faq-is-there-a-reference-guide-for-the-resource-monitor/1490 "2021-12-20T05:00:00Z")
Resource Monitor / Stats In HPS, the Resource Monitor is a valuable debugging tool. This is a Driver Option known as display stats in 3DF. Quick Reference Guide Resource Monitor / stats Displayed Stat Definition St… --- ## [FAQ: HSF Version](https://forum.techsoft3d.com/t/faq-hsf-version/1399)
**Author:** [@gabriel.peragine](https://forum.techsoft3d.com/u/gabriel.peragine)\ **Replies:** 0\ **Last updated:** [July 10, 2021, 4:00am UTC](https://forum.techsoft3d.com/t/faq-hsf-version/1399 "2021-07-10T04:00:00Z")
HSF Version by HOOPS Visualize Release The HSF version (included as readable text at the beginning of an HSF file) precludes HOOPS toolkits from reading HSF files written by future toolkit versions unless a target versio… --- ## [How-to: Communicator ESM with Next.js and TypeScript](https://forum.techsoft3d.com/t/how-to-communicator-esm-with-next-js-and-typescript/3871)
**Author:** [@beau.trifiro](https://forum.techsoft3d.com/u/beau.trifiro)\ **Replies:** 17\ **Last updated:** [February 17, 2025, 11:54pm UTC](https://forum.techsoft3d.com/t/how-to-communicator-esm-with-next-js-and-typescript/3871 "2025-02-17T23:54:37Z")
\*\* Edit (2/17/25): click here for an updated version of this guide. \*\* \*\* Original post is below \*\* We recently released ESM for Communicator for an improved development experience. Here is a guide for setting up Commu… --- ## [FAQS - HPS - using multiple threads to access HPS](https://forum.techsoft3d.com/t/faqs-hps-using-multiple-threads-to-access-hps/1377)
**Author:** [@gabriel.peragine](https://forum.techsoft3d.com/u/gabriel.peragine)\ **Replies:** 0\ **Last updated:** [May 1, 2021, 4:00am UTC](https://forum.techsoft3d.com/t/faqs-hps-using-multiple-threads-to-access-hps/1377 "2021-05-01T04:00:00Z")
HPS is completely thread- safe. Everything is synchronized internally. That is a fundamental behavior of HPS. All Keys, including SegmentKeys are 100% thread-safe. All Database operations, including Updates, are 100% th… --- ## [BAD\_NETWORK\_VERSION when connection to SC server](https://forum.techsoft3d.com/t/bad-network-version-when-connection-to-sc-server/4101)
**Author:** [@nicola.esposito](https://forum.techsoft3d.com/u/nicola.esposito)\ **Replies:** 1\ **Last updated:** [October 10, 2024, 1:19pm UTC](https://forum.techsoft3d.com/t/bad-network-version-when-connection-to-sc-server/4101 "2024-10-10T13:19:12Z")
Hello everyone, starting an sc-server on a linux machine with the following command: ./ts3d\_sc\_server --license-file license.txt --model-search-directories ./converted\_models/standard/sc\_models --sc-port 50001 --initia… --- ## [FAQ : What is "Selection Honors Scene Visibility" in Settings of webviewer?](https://forum.techsoft3d.com/t/faq-what-is-selection-honors-scene-visibility-in-settings-of-webviewer/4067)
**Author:** [@rie](https://forum.techsoft3d.com/u/rie)\ **Replies:** 0\ **Last updated:** [September 27, 2024, 1:54am UTC](https://forum.techsoft3d.com/t/faq-what-is-selection-honors-scene-visibility-in-settings-of-webviewer/4067 "2024-09-27T01:54:31Z")
his setting, "Selection Honors Scene Visibility” is used for forceEffectiveSceneVisibilityMask of Selection, as you can see in \\web\_viewer\\demo-app\\app\\desktop\\ViewerSettings.js "Selection Honors Scene Visibility” is o… --- ## [FAQ: Is it possible to eliminate all culling in 3DF?](https://forum.techsoft3d.com/t/faq-is-it-possible-to-eliminate-all-culling-in-3df/1390)
**Author:** [@gabriel.peragine](https://forum.techsoft3d.com/u/gabriel.peragine)\ **Replies:** 2\ **Last updated:** [August 30, 2024, 5:07pm UTC](https://forum.techsoft3d.com/t/faq-is-it-possible-to-eliminate-all-culling-in-3df/1390 "2024-08-30T17:07:20Z")
When zooming out you may notice that certain geometry may abruptly disappear. The following 3DF code produces a scene with a few markers: HC\_Open\_Segment\_By\_Key(m\_pHView-\>GetModelKey()); HC\_Set\_Visibility("markers=on,fa… --- ## [HOOPS Visualize Web HTTPS server with reverse proxy](https://forum.techsoft3d.com/t/hoops-visualize-web-https-server-with-reverse-proxy/1682)
**Author:** [@Toshi-TS3D](https://forum.techsoft3d.com/u/Toshi-TS3D)\ **Replies:** 1\ **Last updated:** [July 23, 2024, 3:12am UTC](https://forum.techsoft3d.com/t/hoops-visualize-web-https-server-with-reverse-proxy/1682 "2024-07-23T03:12:45Z")
Introduction Although the HOOPS Visualize Web SC server can be configured with an HTTPS server as described in this article: HOOPS Visualize Web Server with HTTPS (SSL) , a non-standard port (11182) remains open to the… --- ## [FAQ: How ProE/Creo family tables, flexible components and boolean operations are handled by HOOPS?](https://forum.techsoft3d.com/t/faq-how-proe-creo-family-tables-flexible-components-and-boolean-operations-are-handled-by-hoops/1554)
**Author:** [@gabriel.peragine](https://forum.techsoft3d.com/u/gabriel.peragine)\ **Replies:** 1\ **Last updated:** [May 31, 2024, 7:58pm UTC](https://forum.techsoft3d.com/t/faq-how-proe-creo-family-tables-flexible-components-and-boolean-operations-are-handled-by-hoops/1554 "2024-05-31T19:58:23Z")
It is possible to specify several ProE/Creo specific options (in A3DRWParamsCreoData) while importing such CAD files with the HOOPS Exchange API, including the following ones: Table of Contents Family tables (m\_eFamil… --- ## [FAQ: Does HOOPS support FBX animation?](https://forum.techsoft3d.com/t/faq-does-hoops-support-fbx-animation/2571)
**Author:** [@rie](https://forum.techsoft3d.com/u/rie)\ **Replies:** 1\ **Last updated:** [September 12, 2023, 10:47am UTC](https://forum.techsoft3d.com/t/faq-does-hoops-support-fbx-animation/2571 "2023-09-12T10:47:37Z")
Since HOOPS Exchange doesn’t import animation in FBX file, FBX animation is not supported in HOOPS. --- ## [FAQ: Which format can have ExternalData when importing CAD file?](https://forum.techsoft3d.com/t/faq-which-format-can-have-externaldata-when-importing-cad-file/2574)
**Author:** [@rie](https://forum.techsoft3d.com/u/rie)\ **Replies:** 0\ **Last updated:** [August 29, 2023, 8:13am UTC](https://forum.techsoft3d.com/t/faq-which-format-can-have-externaldata-when-importing-cad-file/2574 "2023-08-29T08:13:51Z")
An external is a subassembly tree that has been created in a different CAD system than its parent file. Externals are represented by a product occurrence node. You can have A3DAsmProductOccurrenceData::m\_pExternalData w… --- ## [HOOPS Communicator server with HTTPS (SSL)](https://forum.techsoft3d.com/t/hoops-communicator-server-with-https-ssl/1681)
**Author:** [@Toshi-TS3D](https://forum.techsoft3d.com/u/Toshi-TS3D)\ **Replies:** 2\ **Last updated:** [August 18, 2023, 5:02am UTC](https://forum.techsoft3d.com/t/hoops-communicator-server-with-https-ssl/1681 "2023-08-18T05:02:24Z")
Introduction This article is step-by-step guide to create HOOPS Communicator SC server with HTTPS (SSL) server. If you haven’t created HTTPS server, please refer this article: How to setup HTTPS server with AWS Instruc… --- ## [My font isn't showing up in HOOPS Communicator](https://forum.techsoft3d.com/t/my-font-isnt-showing-up-in-hoops-communicator/2376)
**Author:** [@gabriel.peragine](https://forum.techsoft3d.com/u/gabriel.peragine)\ **Replies:** 0\ **Last updated:** [July 19, 2023, 11:20pm UTC](https://forum.techsoft3d.com/t/my-font-isnt-showing-up-in-hoops-communicator/2376 "2023-07-19T23:20:42Z")
If your font isn’t showing up like it should there’s a pretty easy way to fix and troubleshoot this using three of the Converter command-line options. --output\_model\_info This command will output a text file that cont… --- ## [How to change default environment map for image based lighting](https://forum.techsoft3d.com/t/how-to-change-default-environment-map-for-image-based-lighting/2291)
**Author:** [@tino](https://forum.techsoft3d.com/u/tino)\ **Replies:** 2\ **Last updated:** [July 6, 2023, 11:46am UTC](https://forum.techsoft3d.com/t/how-to-change-default-environment-map-for-image-based-lighting/2291 "2023-07-06T11:46:05Z")
For image based lighting applied to physically based materials, Communicator is using a default environment image. However, it’s possible to use your own image via the function setImageBasedLightingEnvironment. Our Com… --- ## [When upgrading to a newer version of Communicator, why am I now getting the error: unable to verify the first certificate?](https://forum.techsoft3d.com/t/when-upgrading-to-a-newer-version-of-communicator-why-am-i-now-getting-the-error-unable-to-verify-the-first-certificate/1927)
**Author:** [@tino](https://forum.techsoft3d.com/u/tino)\ **Replies:** 0\ **Last updated:** [April 24, 2023, 7:14pm UTC](https://forum.techsoft3d.com/t/when-upgrading-to-a-newer-version-of-communicator-why-am-i-now-getting-the-error-unable-to-verify-the-first-certificate/1927 "2023-04-24T19:14:32Z")
Please make sure that you are appropriately setting the variable NODE\_EXTRA\_CA\_CERTS in addition to updating the various settings to enable SSL in the server configuration file of the newer version of HC. Typically , th… --- ## [FAQ: Does Communicator have a flat shading render mode?](https://forum.techsoft3d.com/t/faq-does-communicator-have-a-flat-shading-render-mode/1926)
**Author:** [@tino](https://forum.techsoft3d.com/u/tino)\ **Replies:** 0\ **Last updated:** [April 24, 2023, 6:31pm UTC](https://forum.techsoft3d.com/t/faq-does-communicator-have-a-flat-shading-render-mode/1926 "2023-04-24T18:31:28Z")
Communicator does not have a flat/faceted shading renderer as part of the Communicator::RenderingMode enum. However, it is possible to get flat shading by removing the normals of the source geometry via the Converter op… --- ## [How to setup HTTPS server with AWS](https://forum.techsoft3d.com/t/how-to-setup-https-server-with-aws/1680)
**Author:** [@Toshi-TS3D](https://forum.techsoft3d.com/u/Toshi-TS3D)\ **Replies:** 0\ **Last updated:** [March 7, 2023, 2:42am UTC](https://forum.techsoft3d.com/t/how-to-setup-https-server-with-aws/1680 "2023-03-07T02:42:27Z")
Introduction This article explains how to setup HTTPS (SSL) server with ASW using Ubuntu server for HOOPS Visualize Web or Envision Web server. Instructions Create a Ubuntu EC2 instance Create a Ubuntu Server 24.04 LT… --- ## [FAQ: How units are handled in HOOPS Exchange?](https://forum.techsoft3d.com/t/faq-how-units-are-handled-in-hoops-exchange/1555)
**Author:** [@gabriel.peragine](https://forum.techsoft3d.com/u/gabriel.peragine)\ **Replies:** 0\ **Last updated:** [July 18, 2022, 4:00am UTC](https://forum.techsoft3d.com/t/faq-how-units-are-handled-in-hoops-exchange/1555 "2022-07-18T04:00:00Z")
How are units represented in HOOPS Exchange ? All units inside of PRC files are stored with decimal numbers, representing multiples of mm. So for example, a meter will correspond to a value of 1000 while an inch is repr… --- ## [FAQ: What command line options are used in convert\_file.bat?](https://forum.techsoft3d.com/t/faq-what-command-line-options-are-used-in-convert-file-bat/1341)
**Author:** [@gabriel.peragine](https://forum.techsoft3d.com/u/gabriel.peragine)\ **Replies:** 0\ **Last updated:** [June 22, 2022, 4:00am UTC](https://forum.techsoft3d.com/t/faq-what-command-line-options-are-used-in-convert-file-bat/1341 "2022-06-22T04:00:00Z")
You can convert your CAD models by simply dragging them on convert\_file.bat in the quick\_start directory. The converter command line options are specified in quick\_start\\scripts\\easy\_convert.js. --- ## [FAQ: Is Construction Entities related geometry to PMI in CATIA V5?](https://forum.techsoft3d.com/t/faq-is-construction-entities-related-geometry-to-pmi-in-catia-v5/1445)
**Author:** [@gabriel.peragine](https://forum.techsoft3d.com/u/gabriel.peragine)\ **Replies:** 0\ **Last updated:** [June 21, 2022, 4:00am UTC](https://forum.techsoft3d.com/t/faq-is-construction-entities-related-geometry-to-pmi-in-catia-v5/1445 "2022-06-21T04:00:00Z")
When importing CATIA V5 file which contains PMI which are linked to Construction geometries, ‘Construction geometries’ in ‘annotation set’ is imported as set of Representation item named “Construction Entities”. (In Cat… --- ## [Why are some SolidWorks configurations are missing in HOOPS Exchange?](https://forum.techsoft3d.com/t/why-are-some-solidworks-configurations-are-missing-in-hoops-exchange/1451)
**Author:** [@gabriel.peragine](https://forum.techsoft3d.com/u/gabriel.peragine)\ **Replies:** 0\ **Last updated:** [May 16, 2022, 4:00am UTC](https://forum.techsoft3d.com/t/why-are-some-solidworks-configurations-are-missing-in-hoops-exchange/1451 "2022-05-16T04:00:00Z")
As you can see in the screenshot below, some SolidWorks configurations may present greyed dashes: That’s because they’re purged by SolidWorks in order to save some space, however such models have to be regenerated by… --- ## [FAQ : Why can't I import a 3D-PDF with HOOPS Exchange](https://forum.techsoft3d.com/t/faq-why-cant-i-import-a-3d-pdf-with-hoops-exchange/1441)
**Author:** [@gabriel.peragine](https://forum.techsoft3d.com/u/gabriel.peragine)\ **Replies:** 0\ **Last updated:** [April 11, 2022, 4:00am UTC](https://forum.techsoft3d.com/t/faq-why-cant-i-import-a-3d-pdf-with-hoops-exchange/1441 "2022-04-11T04:00:00Z")
Problem When importing a 3D-PDF file, HOOPS Exchange returns an error. Solution The 3D-PDF is protected: HOOPS Exchange can’t import a 3D-PDF if it is password protected : HOOPS Exchange, PDF Reader specifications To … --- ## [FAQ: What are the AdaptAndReplace/CopyAndAdapt parameters used during a STEP export?](https://forum.techsoft3d.com/t/faq-what-are-the-adaptandreplace-copyandadapt-parameters-used-during-a-step-export/1453)
**Author:** [@gabriel.peragine](https://forum.techsoft3d.com/u/gabriel.peragine)\ **Replies:** 0\ **Last updated:** [April 11, 2022, 4:00am UTC](https://forum.techsoft3d.com/t/faq-what-are-the-adaptandreplace-copyandadapt-parameters-used-during-a-step-export/1453 "2022-04-11T04:00:00Z")
During a STEP export with HOOPS Exchange, some NURBS conversion of the model is performed. The same result can be reproduced by calling the AdaptAndReplace or CopyAndAdapt functions, as shown in the BrepAdaptor sample, … --- ## [FAQ: As part of the “quick start” menu, there is the example call “Multiple Instance”. When I change the model to landinggear (instead of microengine), colors of the created instance are NOT identical to the original. How do I get the same colors?](https://forum.techsoft3d.com/t/faq-as-part-of-the-quick-start-menu-there-is-the-example-call-multiple-instance-when-i-change-the-model-to-landinggear-instead-of-microengine-colors-of-the-created-instance-are-not-identical-to-the-original-how-do-i-get-the-same-colors/1317)
**Author:** [@gabriel.peragine](https://forum.techsoft3d.com/u/gabriel.peragine)\ **Replies:** 0\ **Last updated:** [April 1, 2022, 4:00am UTC](https://forum.techsoft3d.com/t/faq-as-part-of-the-quick-start-menu-there-is-the-example-call-multiple-instance-when-i-change-the-model-to-landinggear-instead-of-microengine-colors-of-the-created-instance-are-not-identical-to-the-original-how-do-i-get-the-same-colors/1317 "2022-04-01T04:00:00Z")
Language: JavaScript The multiple\_instance example is using the function (getNodesEffectiveFaceColor()): https://docs.techsoft3d.com/communicator/latest/api\_ref/viewing/classes/Communicator.Model.html?highlight=getnode… --- ## [FAQ: What are HPS 3rd Party dlls descriptions?](https://forum.techsoft3d.com/t/faq-what-are-hps-3rd-party-dlls-descriptions/1472)
**Author:** [@gabriel.peragine](https://forum.techsoft3d.com/u/gabriel.peragine)\ **Replies:** 0\ **Last updated:** [March 18, 2022, 4:00am UTC](https://forum.techsoft3d.com/t/faq-what-are-hps-3rd-party-dlls-descriptions/1472 "2022-03-18T04:00:00Z")
HPS core Dlls: hps\_core.dll hps\_sprk.dll hps\_sprk\_ops.dll Driver Libaries: hps\_directx11.dll, d3dcompiler\_47.dll hps\_opengl2\_mesa.dll hps\_vulkan.dll Dlls required when using Exchange/Publish hps\_sprk\_exchange.dl… [Next page](https://forum.techsoft3d.com/tag/faq/20.md?match_all_tags=true&page=1&tags%5B%5D=faq)