OnWorks favicon

loch - Online in the Cloud

Run loch in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command loch that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator



loch — Therion model viewer


loch [FILE]


This manual page documents loch, which is part of the therion-viewer package.

loch is a 3D viewer which displays .lox files produced by therion and allows them to be


loch optionally takes a .lox, Survex .3d or Compass .plt file to open.


Key and Mouse Controls

Function Mouse action Key
Zoom & Rotate Left click + drag
Zoom only Left click + drag up/down, then hold left and click right Ctrl + Up/Down
Rotate only Left click + drag left/right, then hold left and click right Left/Right
Pan Right click + drag Shift + Arrows
Tilt Middle (wheel) click + drag or wheel rotate Up/Down
Full screen Left double click F11
Context menu Right click

If continuous rotation is turned on, then rotation mouse movements change the speed or
direction of rotation. If rotation is locked, then rotation mouse movements have no


Loch is able to render large bitmaps that can be afterwards post processed and printed.
Bitmaps can be exported in PDF, PNG or BMP formats. Configuration of export is done via
the Rendering setup dialog. You can set the following features:

Size and Scaling

Screen shot: Screen copy will be saved into a file with no other changes.

Image width: The screen image will be exported with the specified width.

Image height: The screen image will be exported with the specified height.

Scale: The screen image will be exported with the specified scale.

Image options

Rendering resolution: Resolution of the image file used when image size or scale are

Image size: Image size in pixels and uncompressed bytes calculated from previous settings.

White background: Force white background in exported image.


Sometimes empty rectangles appear in off screen rendered file. Changing the window size
usually helps.

* Crashes have been observed on intel graphics cards unless the
texture initialisations are removed in the code.

* Stereo mode does not work correctly on some graphics adapters.

* This help does not work.

Use loch online using onworks.net services

Free Servers & Workstations

Download Windows & Linux apps

  • 1
    Extreme Cluster Administration Toolkit.
    xCAT is a scalable cluster management
    and provisioning tool that provides
    hardware control, discovery, and OS
    Download xCAT
  • 2
    Psi is cross-platform powerful XMPP
    client designed for experienced users.
    There are builds available for MS
    Windows, GNU/Linux and macOS.. Audience:
    End Users...
    Download Psi
  • 3
    Blobby Volley 2
    Blobby Volley 2
    Official continuation of the famous
    Blobby Volley 1.x arcade game..
    Audience: End Users/Desktop. User
    interface: OpenGL, SDL. Programming
    Language: C++, Lua. C...
    Download Blobby Volley 2
  • 4
    SuiteCRM is the award-winning Customer
    Relationship Management (CRM)
    application brought to you by authors
    and maintainers, SalesAgility. It is the
    world�s mos...
    Download SuiteCRM
  • 5
    Poweradmin is a web-based DNS
    administration tool for PowerDNS server.
    The interface has full support for most
    of the features of PowerDNS. It has full
    Download Poweradmin
  • 6
    Gin Web Framework
    Gin Web Framework
    Gin is an incredibly fast web framework
    written in Golang that can perform up to
    40 times faster, thanks to its
    martini-like API and custom version of
    Download Gin Web Framework
  • More »

Linux commands