# \#plus

**URL:** https://discourse.slicer.org/tag/plus/35.md

[Latest](https://discourse.slicer.org/latest.md) · [Categories](https://discourse.slicer.org/categories.md) · [Tags](https://discourse.slicer.org/tags.md)

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## [RF data streaming from the BK Activ](https://discourse.slicer.org/t/rf-data-streaming-from-the-bk-activ/48025)

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**Author:** [@J.vd.Zee](https://discourse.slicer.org/u/J.vd.Zee)\
**Replies:** 2\
**Last updated:** [August 31, 2026, 7:26pm UTC](https://discourse.slicer.org/t/rf-data-streaming-from-the-bk-activ/48025 "2026-08-31T19:26:01Z")

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We would like to perform research on the raw RF data acquired with a BK Activ ultrasound scanner, with the aim of developing and evaluating methods for improving ultrasound image quality. Could anyone advise us on: whi…

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## [PlusToolkit with GE Ultrasound using AppAPI + OpenIGTLink](https://discourse.slicer.org/t/plustoolkit-with-ge-ultrasound-using-appapi-openigtlink/47133)

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**Author:** [@nicxo99](https://discourse.slicer.org/u/nicxo99)\
**Replies:** 0\
**Last updated:** [May 24, 2026, 8:34am UTC](https://discourse.slicer.org/t/plustoolkit-with-ge-ultrasound-using-appapi-openigtlink/47133 "2026-05-24T08:34:32Z")

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Hello! I am trying to connect a GE ultrasound machine to the Plus framework for free-hand calibration (fCal). I am using Slicer to check that the data is valid. I wrote a small program in C++ that sends image data using…

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## [PLUS server support for motion capture systems (Optitrack with Motive 3.x and VICON)](https://discourse.slicer.org/t/plus-server-support-for-motion-capture-systems-optitrack-with-motive-3-x-and-vicon/38111)

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**Author:** [@modenaxe](https://discourse.slicer.org/u/modenaxe)\
**Replies:** 5\
**Last updated:** [May 6, 2026, 12:40pm UTC](https://discourse.slicer.org/t/plus-server-support-for-motion-capture-systems-optitrack-with-motive-3-x-and-vicon/38111 "2026-05-06T12:40:04Z")

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Hello, I am looking into the PLUS toolkit documentation and tutorials with the aim of building a 3D Ultrasound setup and I am writing with the hope of understanding if the support to the Optitrack motion capture system…

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## [Help with Transform Inversion and Modifying PLUS Transformation in Slicer](https://discourse.slicer.org/t/help-with-transform-inversion-and-modifying-plus-transformation-in-slicer/44284)

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**Author:** [@daimon2](https://discourse.slicer.org/u/daimon2)\
**Replies:** 2\
**Last updated:** [August 31, 2025, 7:41pm UTC](https://discourse.slicer.org/t/help-with-transform-inversion-and-modifying-plus-transformation-in-slicer/44284 "2025-08-31T19:41:18Z")

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Dear Slicer Community, I am a beginner working through the tutorial “day2\_PrototypingImageGuidedTherapyApplications,” and I need some help with transformations. The transformation I am receiving from Optitrack through P…

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## [CMake Error during PlusLib SuperBuild: "The source does not match..."](https://discourse.slicer.org/t/cmake-error-during-pluslib-superbuild-the-source-does-not-match/43972)

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**Author:** [@Jaeseong](https://discourse.slicer.org/u/Jaeseong)\
**Replies:** 0\
**Last updated:** [August 5, 2025, 3:40pm UTC](https://discourse.slicer.org/t/cmake-error-during-pluslib-superbuild-the-source-does-not-match/43972 "2025-08-05T15:40:36Z")

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Hi everyone, I’m encountering an error during the building of Pluslib, which is a dependency for Slicer on Ubuntu. My goal is to acquire ultrasound images from a Windows machine using the PLUS server. I followed the in…

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## [Real-time mesh deformation within PLUS Server](https://discourse.slicer.org/t/real-time-mesh-deformation-within-plus-server/43799)

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**Author:** [@naomi-rc](https://discourse.slicer.org/u/naomi-rc)\
**Replies:** 3\
**Last updated:** [July 23, 2025, 6:24am UTC](https://discourse.slicer.org/t/real-time-mesh-deformation-within-plus-server/43799 "2025-07-23T06:24:43Z")

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Hello :waving\_hand:, I’ve been using PLUS Server for generating real-time ultrasound in a Unity simulation. I know the models specified in the configuration file are loaded once at the start into PLUS. I’m wondering if…

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## [Set PlusServerLauncher remote control port number](https://discourse.slicer.org/t/set-plusserverlauncher-remote-control-port-number/10113)

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**Author:** [@brynpitt](https://discourse.slicer.org/u/brynpitt)\
**Replies:** 3\
**Last updated:** [February 4, 2020, 9:34pm UTC](https://discourse.slicer.org/t/set-plusserverlauncher-remote-control-port-number/10113 "2020-02-04T21:34:06Z")

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OS: Windows 10 PLUS Version: PlusApp-2.8.0.20191105-Telemed-Win32 Expected behavior: Running command PlusServerLauncher --port=18905 should start plus server launcher with remote control server at port number 18905 …

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## [Increasing latency issues using Plus Server](https://discourse.slicer.org/t/increasing-latency-issues-using-plus-server/42936)

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**Author:** [@orionwiersma](https://discourse.slicer.org/u/orionwiersma)\
**Replies:** 3\
**Last updated:** [May 15, 2025, 5:36pm UTC](https://discourse.slicer.org/t/increasing-latency-issues-using-plus-server/42936 "2025-05-15T17:36:40Z")

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Hello, I’m having issues with an increase in latency in slicer. The outputted stream suffers from a constant increase in latency. I suspect the issue has to do with a delay in plus server. When I run the stream directly…

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## [Issue connecting to Vega VT Through PLUS](https://discourse.slicer.org/t/issue-connecting-to-vega-vt-through-plus/41967)

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**Author:** [@mariedemeyy](https://discourse.slicer.org/u/mariedemeyy)\
**Replies:** 0\
**Last updated:** [March 4, 2025, 8:48pm UTC](https://discourse.slicer.org/t/issue-connecting-to-vega-vt-through-plus/41967 "2025-03-04T20:48:49Z")

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Hi, I am getting the following error when I try to connect to a Vega VT camera. |INFO|2072.377000| Server process started successfully| in E:\\D\\PSNP64b\\PlusApp\\PlusServerLauncher\\PlusServerLauncherMainWindow.cxx(329) |…

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## [More efficient alternative to while/for loop for periodic action?](https://discourse.slicer.org/t/more-efficient-alternative-to-while-for-loop-for-periodic-action/41031)

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**Author:** [@achiravu](https://discourse.slicer.org/u/achiravu)\
**Replies:** 0\
**Last updated:** [January 10, 2025, 7:07pm UTC](https://discourse.slicer.org/t/more-efficient-alternative-to-while-for-loop-for-periodic-action/41031 "2025-01-10T19:07:33Z")

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Hello! I have a script (copied below) that records the mean and standard deviation of intensity values in a particular visible segment. I want to use this to periodically check the intensity values in the segmented regi…

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## [Seeking Guidance: IMU-based Tracking for Real-time 3D Ultrasound Reconstruction using Plus Toolkit and Slicer](https://discourse.slicer.org/t/seeking-guidance-imu-based-tracking-for-real-time-3d-ultrasound-reconstruction-using-plus-toolkit-and-slicer/40539)

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**Author:** [@MasatoshiOBA](https://discourse.slicer.org/u/MasatoshiOBA)\
**Replies:** 1\
**Last updated:** [December 7, 2024, 5:47am UTC](https://discourse.slicer.org/t/seeking-guidance-imu-based-tracking-for-real-time-3d-ultrasound-reconstruction-using-plus-toolkit-and-slicer/40539 "2024-12-07T05:47:47Z")

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Dear Slicer and Plus Toolkit Community, I am currently working on a project for real-time 3D ultrasound reconstruction. My work is largely guided by the excellent tutorials provided by the developers of 3D Slicer and th…

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## [Upscale cropped videostream](https://discourse.slicer.org/t/upscale-cropped-videostream/40054)

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**Author:** [@J.vd.Zee](https://discourse.slicer.org/u/J.vd.Zee)\
**Replies:** 0\
**Last updated:** [November 6, 2024, 2:44pm UTC](https://discourse.slicer.org/t/upscale-cropped-videostream/40054 "2024-11-06T14:44:51Z")

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Hi all, In the Plus Server Launcher, videos can be streamed to 3D Slicer. Moreover, within this configuration (i.e., .xml file, mmfVideo, Media Foundation) users can crop the incoming video stream by the ClipRectangle… …

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## [Tracker device error - Data collector configuration](https://discourse.slicer.org/t/tracker-device-error-data-collector-configuration/40034)

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**Author:** [@jonortegav](https://discourse.slicer.org/u/jonortegav)\
**Replies:** 0\
**Last updated:** [November 5, 2024, 10:36am UTC](https://discourse.slicer.org/t/tracker-device-error-data-collector-configuration/40034 "2024-11-05T10:36:58Z")

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Hi everyone, I’m attempting to perform spatial calibration with the PLUS Toolkit, but I keep running into issues, and I’m not entirely sure why. Initially, I suspected that the problem was due to the NDI Polaris Spectr…

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## [IJCARS paper using Slicer for neurosurgery research](https://discourse.slicer.org/t/ijcars-paper-using-slicer-for-neurosurgery-research/17657)

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**Author:** [@pieper](https://discourse.slicer.org/u/pieper)\
**Replies:** 1\
**Last updated:** [October 15, 2024, 9:43pm UTC](https://discourse.slicer.org/t/ijcars-paper-using-slicer-for-neurosurgery-research/17657 "2024-10-15T21:43:46Z")

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This paper just came out about neurosurgery work at University College London in the UK using Slicer. They have a lot of good things to say, but I particularly liked this line: We chose to build the system using 3D …

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## [Can't view Clarius IMU using PLUS server?](https://discourse.slicer.org/t/cant-view-clarius-imu-using-plus-server/37991)

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**Author:** [@achiravu](https://discourse.slicer.org/u/achiravu)\
**Replies:** 0\
**Last updated:** [August 21, 2024, 9:28pm UTC](https://discourse.slicer.org/t/cant-view-clarius-imu-using-plus-server/37991 "2024-08-21T21:28:07Z")

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I have been trying to look at Clarius data live using the PLUS server and 3D Slicer. This works fine with just B-mode data, but doesn’t work at all when using the configuration file for streaming IMU data. How would I ge…

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## [Which .xml file is needed to configure the PLUS server of NDI Polaris Vega ST](https://discourse.slicer.org/t/which-xml-file-is-needed-to-configure-the-plus-server-of-ndi-polaris-vega-st/37770)

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**Author:** [@ning\_w](https://discourse.slicer.org/u/ning_w)\
**Replies:** 1\
**Last updated:** [August 8, 2024, 2:35pm UTC](https://discourse.slicer.org/t/which-xml-file-is-needed-to-configure-the-plus-server-of-ndi-polaris-vega-st/37770 "2024-08-08T14:35:21Z")

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This is my first time to learn about plus server. I just downloaded the plus software and want to configure the plus server software for NDI polaris Vega ST, but I don’t know which .xml file I need to use. Can anyone tel…

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## [Temporal Calibration](https://discourse.slicer.org/t/temporal-calibration/37324)

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**Author:** [@J.vd.Zee](https://discourse.slicer.org/u/J.vd.Zee)\
**Replies:** 7\
**Last updated:** [July 16, 2024, 3:05am UTC](https://discourse.slicer.org/t/temporal-calibration/37324 "2024-07-16T03:05:28Z")

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Hello, I defined the temporal calibration, in ms, via the Fcal module. However, if I add the TemporalTimeOffsetSec for the trackerstream, nothing happens. Does someone can assist on this topic? I have a delay in the ima…

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## [Streaming of live images from PlusApp to 3DSlicer/Python code (TELEMED Probe)](https://discourse.slicer.org/t/streaming-of-live-images-from-plusapp-to-3dslicer-python-code-telemed-probe/36194)

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**Author:** [@Viktor\_Sokolov](https://discourse.slicer.org/u/Viktor_Sokolov)\
**Replies:** 3\
**Last updated:** [May 17, 2024, 3:51pm UTC](https://discourse.slicer.org/t/streaming-of-live-images-from-plusapp-to-3dslicer-python-code-telemed-probe/36194 "2024-05-17T15:51:39Z")

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I am trying to stream messages from PlusApllication to 3D Slicer. I use TELEMED probe and follow this tutorial. I use default config file in Plus from here. Everything seems to work, but VolumeResliceDriver for some re…

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## [How to connect two video streams into slicer using plus server](https://discourse.slicer.org/t/how-to-connect-two-video-streams-into-slicer-using-plus-server/35611)

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**Author:** [@David.Xu](https://discourse.slicer.org/u/David.Xu)\
**Replies:** 8\
**Last updated:** [April 22, 2024, 1:58pm UTC](https://discourse.slicer.org/t/how-to-connect-two-video-streams-into-slicer-using-plus-server/35611 "2024-04-22T13:58:16Z")

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I have two cameras to access, how to achieve through plus server and openigtlinkif . The access of a single camera has been completed, how to modify the configuration parameters of plus server when accessing two cameras …

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## [Plus remote necessity](https://discourse.slicer.org/t/plus-remote-necessity/35600)

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**Author:** [@MReza](https://discourse.slicer.org/u/MReza)\
**Replies:** 2\
**Last updated:** [April 18, 2024, 3:03pm UTC](https://discourse.slicer.org/t/plus-remote-necessity/35600 "2024-04-18T15:03:40Z")

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Hello everyone, I am currently using 3D Slicer for freehand ultrasound via IGT. My process involves running Plus and activating my server through OpenIGTLinkIF, which allows me to reconstruct the volume using live recon…

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## [How can I record multiple video inputs at the same time from Slicer?](https://discourse.slicer.org/t/how-can-i-record-multiple-video-inputs-at-the-same-time-from-slicer/20928)

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**Author:** [@lb123](https://discourse.slicer.org/u/lb123)\
**Replies:** 16\
**Last updated:** [March 25, 2024, 11:59am UTC](https://discourse.slicer.org/t/how-can-i-record-multiple-video-inputs-at-the-same-time-from-slicer/20928 "2024-03-25T11:59:54Z")

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Hi, I’m broadcasting 2 acquired videos through OpenIGTLink from Plus Server to Slicer 4.13.0. The videos consist in live data coming from 2 epiphan frame grabbers. I can correctly see both the live videos on Slicer. I…

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## [Poor resolution ultrasound stream](https://discourse.slicer.org/t/poor-resolution-ultrasound-stream/33459)

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**Author:** [@J.vd.Zee](https://discourse.slicer.org/u/J.vd.Zee)\
**Replies:** 1\
**Last updated:** [December 19, 2023, 4:28pm UTC](https://discourse.slicer.org/t/poor-resolution-ultrasound-stream/33459 "2023-12-19T16:28:55Z")

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Hi all! I have a question regarding the streaming quality of my framegrabber to 3D Slicer (using the Plus Sever). I use the coding script for streaming named ‘Video for Windows compatible imaging device’ and change the …

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## [Various errors with PLUS Toolkit Ultrasound Simulator](https://discourse.slicer.org/t/various-errors-with-plus-toolkit-ultrasound-simulator/32168)

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**Author:** [@olivares471](https://discourse.slicer.org/u/olivares471)\
**Replies:** 0\
**Last updated:** [October 11, 2023, 10:37pm UTC](https://discourse.slicer.org/t/various-errors-with-plus-toolkit-ultrasound-simulator/32168 "2023-10-11T22:37:52Z")

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Hi everyone, My question regards more the PLUS Toolkit library and maybe IGT, but I’ve been recommended this forum for support with this issue since PLUS is often used with Slicer3D and IGT. Here’s my original post on t…

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## [Trouble setting up OptiTrack duo with Plus](https://discourse.slicer.org/t/trouble-setting-up-optitrack-duo-with-plus/31045)

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**Author:** [@deringur](https://discourse.slicer.org/u/deringur)\
**Replies:** 8\
**Last updated:** [August 9, 2023, 11:23pm UTC](https://discourse.slicer.org/t/trouble-setting-up-optitrack-duo-with-plus/31045 "2023-08-09T23:23:23Z")

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I am following the tutorial (Slicer Tutorial #4: Opening the PLUS Connection — Andy's Brain Book 1.0 documentation) and have successfully exported the configuration and profile .xml files. When I click “Launch server” on…

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## [ImageStream-Cropping Plus/3dSlicer](https://discourse.slicer.org/t/imagestream-cropping-plus-3dslicer/29162)

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**Author:** [@alex\_johnson](https://discourse.slicer.org/u/alex_johnson)\
**Replies:** 0\
**Last updated:** [April 27, 2023, 2:34am UTC](https://discourse.slicer.org/t/imagestream-cropping-plus-3dslicer/29162 "2023-04-27T02:34:34Z")

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Hello, I have encountered a problem while trying to Crop a transmitted image stream from a Video Capture Card to Slicer. The stream is working fine but in 3dSlicer the images stay unchanged. I’ve already tried the ClipR…

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## [Fcal Temporal calibration with live streaming data](https://discourse.slicer.org/t/fcal-temporal-calibration-with-live-streaming-data/28150)

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**Author:** [@Qianqian\_Cai](https://discourse.slicer.org/u/Qianqian_Cai)\
**Replies:** 0\
**Last updated:** [March 3, 2023, 6:14am UTC](https://discourse.slicer.org/t/fcal-temporal-calibration-with-live-streaming-data/28150 "2023-03-03T06:14:40Z")

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Hardware: OptiTrack for tracking Clarius probe for imaging In the example configuration file of the temporal calibration, the two datasets from the tracker and probe were recorded and provided to fcal as sequence file…

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## [Fcal Lego phantom: configuration file and 3D model](https://discourse.slicer.org/t/fcal-lego-phantom-configuration-file-and-3d-model/28037)

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**Author:** [@Qianqian\_Cai](https://discourse.slicer.org/u/Qianqian_Cai)\
**Replies:** 3\
**Last updated:** [February 24, 2023, 7:38pm UTC](https://discourse.slicer.org/t/fcal-lego-phantom-configuration-file-and-3d-model/28037 "2023-02-24T19:38:40Z")

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Hi! I am following the instruction to perform freehand 3D ultrasound calibration using the Lego phantom. It is stated in the pdf tutorial that the 3D model and XML file of the lego phantom is provided. Plus version: Plu…

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## [Plus Server error when connecting NDI Aurora tracker to Slicer](https://discourse.slicer.org/t/plus-server-error-when-connecting-ndi-aurora-tracker-to-slicer/27729)

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**Author:** [@sm-philips](https://discourse.slicer.org/u/sm-philips)\
**Replies:** 1\
**Last updated:** [February 9, 2023, 7:53pm UTC](https://discourse.slicer.org/t/plus-server-error-when-connecting-ndi-aurora-tracker-to-slicer/27729 "2023-02-09T19:53:37Z")

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Hi, I have been trying to connect a NDI Aurora tracker to Slicer. Initially I just want to visualize the points coming in from the tracker in 3D space. I have couple of issues I am running into. The Plus Server launch…

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## [Ways to Fix Video Lag Issue with Plus Server](https://discourse.slicer.org/t/ways-to-fix-video-lag-issue-with-plus-server/21894)

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**Author:** [@Srijeet\_Chatterjee](https://discourse.slicer.org/u/Srijeet_Chatterjee)\
**Replies:** 7\
**Last updated:** [May 17, 2022, 7:12am UTC](https://discourse.slicer.org/t/ways-to-fix-video-lag-issue-with-plus-server/21894 "2022-05-17T07:12:59Z")

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Hi everyone, I am trying to record videos (.mkv format) using the PlusServerRemoteControl.exe from two different epiphan framegrabbers. I find that there is a lag in the recorded videos when I am playing it. Can anyone …

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## [PlusToolkit compatible with GE Ultrasound](https://discourse.slicer.org/t/plustoolkit-compatible-with-ge-ultrasound/23085)

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**Author:** [@J.vd.Zee](https://discourse.slicer.org/u/J.vd.Zee)\
**Replies:** 3\
**Last updated:** [April 25, 2022, 12:25pm UTC](https://discourse.slicer.org/t/plustoolkit-compatible-with-ge-ultrasound/23085 "2022-04-25T12:25:00Z")

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Dear all, Anyone with experience in connecting a General Electric Ultrasound device to the Plus Server? The devices of GE are not in the list of compatible hardware. Thanks in advance!

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