L-VIS User Manual 19 LOYTEC
Version 6.2 LOYTEC electronics GmbH
camera streams can start, and to better handle some corner cases with hidden controls and
use of input and output data points to control the playback source.
2.1.5 Bidirectional data point references
Data point references on controls can now be marked bidirectional, in which case they are
used to receive incoming updates for display, as well as write out new values which were
entered via the control. It is no longer necessary to connect the same data point twice in
input and output direction.
2.1.6 Improved BACnet support
Some improvements were made to support a project-wide configurable default write
priority, as well as a new client map type to receive unsolicited COV updates from other
devices.
2.1.7 New system registers
Apart from the new system registers to display and set the current project locale on LVIS-
3ME devices, there are new registers to read the current local time and UTC time from
date/time structures instead of a single timestamp value, as well as registers which output
the current calculated sun position based on device location and local time.
2.2 New in L-Vis 6.1.0
This section describes major changes and new features in L-Vis 6.1.0
2.2.1 Support for complex writing systems
Release 6.1.0 adds support for complex writing systems such as Arabic, Devanagari,
Bengali, Thai, Hebrew and many others belonging to the family of Abjad or Abugida
scripts. These scripts are often bidirectional and require complex text shaping and layout
engines to display correctly.
Even though great care was taken to archive the same layout results for previously
supported scripts when using the new layout engine, there are some cases where the new
engine will produce different output due to the use of ligatures or other advanced features
regarding text layout and composition. To avoid unexpected changes in text layout after a
firmware upgrade, existing projects continue to use the old text layout engine until support
for complex writing systems is enabled in the project settings. New projects start with the
option enabled by default, if the target device supports it.
For preview of LWEB projects, the new layout engine is used at all times, since it closer
resembles the expected rendering of the LWEB-802/803 client software.
2.2.2 New Control: Webcam
A new control to display live video streams of web cams in many different formats,
including RTSP, was added for LVIS-3ME devices and LWEB projects. Due to hardware
limitations, this control is not supported by older LVIS hardware like the LVIS-3E112/115
or the even older LVIS-3E100 model. See Section 9.5.14 for details.
2.2.3 New Control: Rotating Knob
A new control to build rotating knobs was added for LVIS-3ME devices and LWEB
projects. Due to hardware limitations, this control is not supported by older LVIS hardware
like the LVIS-3E112/115 or the even older LVIS-3E100 model. See Section 9.5.13 for a
description of the controls properties.
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