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NAME

       loch -- Therion model viewer

SYNOPSIS

       loch

DESCRIPTION

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

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

OPTIONS

       loch takes no options.

BASIC CONTROL

       Key and Mouse Controls

       Function                                                        Mouse action            Key
       Zoom & Rotate                                                   Left click + drag
       Zoom only                                                       T{
       Left click + drag up/down, then hold left and click right
       T}                                                              Ctrl + Up/Down
       Rotate only                                                     T{
       Left click + drag left/right, then hold left and click right
       T}                                                              Left/Right
       Pan                                                             Right click + drag      Shift + Arrows
       Tilt                                                            T{
       Middle (wheel) click + drag  or wheel rotate
       T}                                                              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 effect.

OFF SCREEN RENDERING

       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 specified.

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

       White background: Force white background in exported image.

KNOWN BUGS

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

       * Surface texture does not work.

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

       * This help does not work.

SEE ALSO

       therion (1), xtherion (1).

       For full information see the Therion Manual in  /usr/doc/therion/thbook
       which describes therion-viewer and its use in detail.

AUTHOR

       This   manual   page   was   adapted   from  existing  docs  by  Wookey
       wookey@debian.org for the Debian system (but may be  used  by  others).
       Permission  is  granted to copy, distribute and/or modify this document
       under the terms of the GNU General Public Licence,  Version  2  or  any
       later version published by the Free Software Foundation.

                                                                    THERION(1)