====== Install iTwin Capture Analysis Engine for Manage & Extract ======

This page describes the system requirements and installation of iTwin Capture Analysis Engine for iTwin Capture Manage & Extract. \\
For documentation on how to use iTwin Capture Analysis Engine for iTwin Capture Manage & Extract, see [[237:desktop_ext:Context Insights|]].

===== Requirements =====

Requirements for iTwin Capture Analysis 2023

==== System ====

Specific system requirements for iTwin Capture Analysis 2023

  * Operating System: Windows 8, 8.1, 10, and Windows Server 2012, 2016, 2019 
  * Memory: 8Gb RAM 
  * Graphic Card: NVIDIA Graphics Card > 4.0Gb and up-to-date driver 

==== Software ====

  * iTwin Capture Extract & Manage 2023 - 23.07.00.xx or higher
  * Python 3.9.13

===== Installation =====

Installation of iTwin Capture Analysis and its dependencies on top of the installation of iTwin Capture Manage and Extract.

==== Install iTwin Capture Analysis =====

  - Download & install iTwin Capture Analysis 2023 \\ https://softwaredownloads.bentley.com/en/ProductDetails/3108 
  - Verify iTwin Capture Analysis Settings > Configuration > GPU AI compatibility > "Your computer can run AI jobs." \\ If not update or install a new GPU driver.
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==== Install Python ====

  - Download & install Phyton 3.9.13 \\ https://www.python.org/ftp/python/3.9.13/python-3.9.13-amd64.exe
  - Advised customized installation directory: ''C:\Programs\Python39'' 

==== Add "iTwin Capture Analysis" Environment Variables for Python ====

Add new "iTwin Capture Analysis" User Variables matching your Python installation directory.



  - Go to "Edit the system environment variables"
  - Add new user variables
    * Name: ''ITWIN_CAPTURE_ANALYSIS_VENV'', Value: ''C:\Programs\Python39\venv'' ((Or "venv" subfolder of alternative installation root directory))
    * Name: ''ITWIN_CAPTURE_ANALYSIS_PYTHON'', Value: ''C:\Programs\Python39'' ((Or alternative installation root directory))
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==== Create "iTwin Capture Analysis" Virtual Environment for Python ====

  - Execute batch file \\ ''C:\Program Files\Bentley\iTwin Capture Analysis\sdk\iTwinCaptureAnalysis\create_venv.bat''
  - Verify the message “Successfully installed itwincapturemodeler-23.0.0.2059” towards the end. 

===== Add Detectors =====

Detectors can be added on-the-fly. 

==== Get "iTwin Capture Analysis" Detectors  ====

  - Download and unzip detectors \\ [[https://communities.bentley.com/products/itwin-capture/w/itwin-capture-wiki/66882/itwin-capture-detectors-download-page|https://communities.bentley.com/products/itwin-capture]] \\ Supported Detector Types are: ''Photo Object'', ''Photo Segmentation'', ''Pointcloud Segmentation''
  - Open iTwin Capture Manage and Extract > Preferences > Insights / iTwin Capture Analysis
  - Set the root directory of unzipped detectors