Getting Started - Linux: Difference between revisions

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'''Before You Start...'''
<!--


These instructions assume you have some tools installed on your
TODO:
system. Here is a list:


<dl>
the information on this page needs to be split up into the several pieces,
<dt>[http://wget.sunsite.dk/ <code>wget</code>]
for example all documentation about LDView should go onto LDView's wiki page, not here!


<dd>
remove everything here which duplicates http://www.ldraw.org/help/getting-started.html
You can check if you have <code>wget</code> installed with the
command:
<pre>
wget --version
</pre>
If you don't have it, you may download it from [http://wget.sunsite.dk/ http://wget.sunsite.dk/].


-->


<dt>[http://www.perl.org/ Perl]
==Download and Install the LDraw parts Library==


<dd>
===Basic setup (applies to any Linux distribution or operating system - Recommended approach)===
You can check if you have Perl installed with the command:
<pre>
perl --version
</pre>
If you don't have it, you may download it from [http://www.perl.org/ http://www.perl.org/].


*Download the latest <code>complete.zip</code> from [http://www.ldraw.org/parts/latest-parts.html LDraw.org download page].
*Extract the <code>complete.zip</code> archive in the directory of your choice - your home directory is recommended for simplicity (<code>~/ldraw/</code>).


<dt>[http://sources.redhat.com/bzip2/ <code>bzip2</code>]
====Updating your parts list====


<dd>
If, for any reason you have decided to alter the original parts directory (<code>~/ldraw/parts.lst</code>), Nathanel Titane has made a Linux native 'mklist.exe' equivalent: 'make-list'.
You can check if you have <code>bzip2</code> installed with the
The make-list utility operates exactly like its Windows counterpart, and generates a 'parts.lst' file that can be either sorted by part number or part description.
command:
*Download the utility [https://raw.githubusercontent.com/nathaneltitane/ldraw/master/make-list here] (right click: 'Save link as...')
<pre>
*Save the utility as 'make-list' to your LDraw parts library directory (<code>~/ldraw/</code>).
bzip2 --version
*Run the utility in the terminal: <code>chmod +x make-list && ./make-list</code> and follow the prompts.
</pre>
If you don't have it, you may download it from [http://sources.redhat.com/bzip2/ http://sources.redhat.com/bzip2/].


'''Note:''' If present, the previous version of the 'parts.lst' file will be backed up.


<dt>[http://gcc.gnu.org/ GNU Compiler Collection]
==Install an editor==


<dd>LDraw tools for Linux come in source code form, so you need the GNU
===LeoCAD (recommended)===
Compiler collection (at least <code>gcc</code> and <code>make</code>)
to translate the programs to executable form. These tools usually come
in the &quot;development&quot; section of your Linux distribution.
</dl>


'''Step 1 (latest update 2006-01-06):'''
Leonardo Zide's LeoCAD is readily available for install for both Debian and Red Hat based distributions. You can download a no-install AppImage from https://www.leocad.org/download.html (recommended), alternatively, you can install the editor by looking for and installing the <code>leocad</code> package using your preferred package manager or command package management tool.


Download and install the LDraw Parts Library.
*Install LeoCAD:
<pre>
**All systems (AppImage method, recommended): Go to https://www.leocad.org/download.html, select "Download LeoCAD for Linux", make the AppImage executable (<code>chmod +x</code>), and double-click to run.
user$ cd /tmp
**APT-based systems (e.g. Ubuntu, Mint): <code>sudo apt-get install leocad</code>
user$ wget [http://www.ldraw.org/files/unix-complete.tgz http://www.ldraw.org/files/unix-complete.tgz]
**YUM-based systems (e.g. Fedora): <code>sudo yum install leocad</code>
...
user$ su -
Password:
root# cd /usr/local/share/
root# tar xzf /tmp/unix-complete.tgz &amp;&amp; echo OK
...
OK
root# mkdir -p ldraw/bitmap
root# chmod a+w ldraw/bitmap
root# chown -R root.root ldraw
root# exit
exit
user$
</pre>


'''Step 2 (latest update 2006-01-06):'''
*Run LeoCAD and point it to the LDraw parts library:
**Go to View > Preferences... and set your library directory by either typing it in the field or browsing to it via '...'. Make sure to select the topmost directory (normally 'ldraw') that contains the 'parts' directory.


To view ldraw model use [http://ldview.sf.net LDView].
'''Notes:'''
You can install RPM or tar.gz version (available on
*LeoCAD can use either a zip file or a regular folder as its parts library directory.
[http://sourceforge.net/project/showfiles.php?group_id=120592&package_id=131411 sf.net]),
*You can start Leocad with a different library setup using: <code>$ leocad -l <library directory path></code>
or build from source.
*LeoCAD also supports setting the library path as a system environment variable like so: <code>$ set LEOCAD_LIB=<library directory path></code>
To install LDView3.tgz (root permission is not required):
*LeoCAD supports redirection to the official LDraw parts library. If you have downloaded and/or set up the LDraw parts directory on your system, you can modify LeoCAD's preferences to use your library directory as its parts database. To do so, navigate to View > Preferences and browse to the corresponding directory under the 'Custom parts library' field.
<pre>
user$ tar zxvf LDView3.tgz
user$ cd LDView3
user$ ./LDView
</pre>
To install from RPM (root privilege is required):
<pre>
root# rpm -i ldview-3.0-1.i386.rpm
</pre>
To build from source:
<pre>
user$ su -
root# cvs -z3 -d:pserver:anonymous@cvs.sourceforge.net/cvsroot/ldview co LDView
root# cd LDView/QT
root# ./makeall
root# make install
root# exit
user$ LDView
</pre>


'''Step 3 (latest update 2002-05-23):'''
===LDCad===


Install LDGLite. LDGLite is a rather
*Go to [http://www.melkert.net/LDCad/download LDCad's download page]
efficient tool for showing building instructions &quot;on the fly&quot;, when you
*Select and download the latest generic archive of the LDCad editor.
download them as &quot;<code>.dat</code>&quot;, &quot;<code>.ldr</code>&quot; or
*Extract the archive in the directory of your choice - your home directory (or a subfolder of it) is recommended for simplicity.
&quot;<code>.mpd</code>&quot; files from the web.
*Run LDCad, follow the prompts and point it to the LDraw parts library. Make sure to select the topmost directory (normally 'ldraw') that contains the 'parts' directory.
<pre>
user$ cd /tmp
user$ wget [http://ldglite.sourceforge.net/ldglitesrc0_9_5.zip http://ldglite.sourceforge.net/ldglitesrc0_9_5.zip]
...
user$ unzip -uoa ldglitesrc0_9_5.zip
...
user$ cd ldglite
user$ make -f makefile.linux &amp;&amp; echo OK
...
OK
</pre>


There is a small risk that you may run into errors at this point, if
'''Note:''' LDCad assumes you have GTK2 installed (just about any distro should have it). Make sure you have installed the required packages and libraries to avoid any issues.
your system lacks some libraries. These errors will probably be of the
form <code>.../bin/ld: cannot find -lX11</code>. If you don't know how to
handle this, please contact an experienced Linux system
administrator.
<pre>
user$ su
Password:
root# chown root.root l3glite l3gledit ldglite readme.txt
root# mv l3glite l3gledit ldglite /usr/local/bin
root# mv readme.txt /usr/local/share/ldraw/ldglite.readme
root# exit
exit
user$ cd ..
user$ rm -rf ldglite
</pre>


Now you should be ready to run LDGLite - as the command ldglite - but
===LDGLite===
since the LDraw library has been placed differently from what LDGLite
expects, you have to set the environment variable LDRAWDIR to that
directory (/usr/local/share/ldraw). You can do that in your runtime
configuration scripts, just before you run ldglite, or you can create a
script that sets LDRAWDIR and then calls ldglite. I have chosen the last
of these three solutions (where I also make sure that there is no limits
on the stack size):
<pre>
user$ su
Password:
root# cat &gt; /usr/local/bin/ldglite-run &lt;&lt; THE-END
? #!/bin/tcsh
? setenv LDRAWDIR /usr/local/share/ldraw
? limit stacksize unlimited
? /usr/local/bin/ldglite \$*
? THE-END
root# chmod a+x /usr/local/bin/ldglite-run
root# cat &gt;&gt; /etc/mailcap &lt;&lt; THE-END
? application/x-ldraw;/usr/local/bin/ldglite-run -mc %s
? application/x-multi-part-ldraw;/usr/local/bin/ldglite-run -mc %s
? THE-END
root# exit
exit
user$
</pre>


'''Step 4 (latest update 2002-05-23):'''
LDglite is only available as a standalone 64bit binary for Linux. Compared to the other editors, it does pale in comparison to the amount of features present on the more modern ones.
If for curiosity's sake you still want to install it, proceed as follows:
*Download the [http://ldglite.sourceforge.net/ldglite1_2_3beta64bit.gz LDGLite binary archive]
*Extract the archive in the directory of your choice - your home directory is recommended to avoid any file permission conflict or having to tamper with your system as 'root'.
*Run LDGlite, right click on its background to get started.


Now your browser should be ready to open LEGO building instructions
'''Notes:'''
directly in LDGLite, when you click on links to them on the internet. You
*Make sure that the binary is set as executable before attempting to run it: <code>$ sudo chmod +x ldglite</code>
can test it by clicking on [http://jacob.sparre.dk/LEGO/Byggevejledninger/Tux/tux.dat tux.dat],
*This specific standalone requires libraries such as the DRI-accelerated OpenGL libraries, glut, glu, libpng and zlib to be installed.
which should open a window with building instructions for a penguin (Tux,
*If, for whatever reason LDGlite fails to start by clicking on the binary, you may run it via a terminal and verify its output, like so: <code>./ldglite</code>
the mascot of Linux). You may have to restart your browser to make it
recognise the existence of LDGLite.


'''Step 5:'''
===MLCAD (Hybrid setup)===


There are currently two ways to create LEGO building instructions on
*Install [http://www.winehq.org/ Wine] via your distribution's package manager or application repository.
your computer. You can either write/edit the raw text LDraw files or you
**APT-based systems (e.g. Ubuntu, Mint): <code>sudo apt-get install wine</code>
can use an interactive drawing program, where you can move pieces around
**YUM-based systems (e.g. Fedora): <code>sudo yum-install wine</code>
on the screen. If you chose the former method, you should just use your
*Download the [http://mlcad.lm-software.com/MLCad_V3.40.zip MLCad archive].
usual text editor and skip this step. If you would like to try the latter
*Extract the <code>MLCad_V3.40.zip</code> archive in the directory of your choice - your home directory is recommended to avoid any file permission conflict or having to tamper with your system as 'root'.
method, you should install the program LeoCAD.
**Run MLCad by selecting <code>MLCAD.exe</code> and follow the usual prompts (LDraw parts library directory location and file type registration setup)
**Select Wine as the default method to open an executable on your system and proceed with the previously mentioned steps.


'''
'''Note:''' MLCad runs exceptionally well ([http://appdb.winehq.org/objectManager.php?sClass=application&iId=1354 Platinum status on Wine's AppDB scale]).  Any encountered problem, whatever it may be, should be troubleshooted or reported to the Wine developers as they are responsible for maintaining Wine's underlying code base that makes running Windows executables on Linux distributions possible.
[http://www.leocad.org/" target="_top
<img src="/gallery/album47/leocad.png" width="150" height="128" alt="" border="0" align="right LeoCAD
]'''


LeoCAD is a great 3D editor for Linux (and Windows) which has offered
==Additional applications==
several improvements to the straight LDraw .dat format. It supports some
basic animation (via keyframing) and can also export to 3DStudioMax,
POV-Ray, and Alias Wavefront.


To compile: (last update 2006-01-06)
===LPub3D===
<pre>
user$ svn co http://svn.gerf.org/svn/leocad/tags/leocad-0-74 leocad
user$ cd leocad
user$ make
user# strip bin/leocad
user$ su -
Password:
root# cp bin/leocad /usr/local/bin/
</pre>


LeoCAD has different part database, what is available at [http://www.leocad.org/files http://www.leocad.org/files]
LPub3D is Trevor Sandy's continuation and modernization of Kevin Clague's LDraw building instruction editor. This tool is extremely powerful as it enables the creation of highly detailed, professional looking instructions. It uses external rendering applications to generate the model's step thumbnails to be included in the document. Both LDView and LDGlite are supported.
<pre>
root# cd /tmp
root# wget [http://www.leocad.org/files/pieces.zip http://www.leocad.org/files/pieces.zip]
root# wget [http://www.leocad.org/files/update18.zip http://www.leocad.org/files/update18.zip]
root# mkdir /usr/local/share/leocad
root# cd /usr/local/share/leocad
root# unzip /tmp/pieces.zip
root# unzip /tmp/update18.zip
root#
root# leocad -l /usr/local/share/leocad


</pre>
The latest version can be found as a no-installation-required AppImage at https://github.com/trevorsandy/lpub3d/releases; download <code>LPub3D-<version>-x86_64.AppImage</code>, set it as executable (<code>chmod +x</code>), and double click to open.


===LDView===


'''Step 6:'''
LDView, by Travis Cobbs, is a real-time 3D viewer for displaying LDraw models using hardware-accelerated 3D graphics. It is an essential tool in the creation of a model as it can be used to view and debug, in real-time and with full 3D graphics capacity, the model currently being edited (using the auto-update polling preference). It can also generate snapshots of the displayed content or of specific selected views of the given model. LDView is native to the Linux platform and is readily available for install for both Debian and Red Hat based distributions.


'''Dive In!'''<br>
*Download the latest installer package from LDView's [http://ldview.sourceforge.net/Downloads.html#Linux4200B1 downloads page].
Learning how to use your new editor or understanding the LDraw file
*Install LDView by using your preferred package manager or command package management tool.
format may be a challenge, but with a little practice you will get the
hang of it. The [http://www.leocad.org/manual/index.htm LeoCAD
Manual] by Leonardo Zide will help you getting started.


'''Step 7:'''
'''Notes:'''


'''[http://www.ldraw.org/article/140 Introduction to LDraw
'''APT-based systems (e.g. Ubuntu, Mint):''' Your system may complain about either missing packages or unresolved dependencies. You may resolve these by running a "fix install" fix like so: <code>$ sudo apt-get -f install</code>
Utilities]'''


There is a lot you can do with LDraw files beyond just creating LEGO
'''YUM-based systems (e.g. Fedora):''' LDView's Linux maintainer, Peter Bartfai, has an [http://download.opensuse.org/repositories/home:/pbartfai/ LDView repository] set up using the OpenSuse build server system, from which you can get the latest LDView version, provided you add the yum repository information as follows:
models! Many contributors have developed utilities to make the most of
the LDraw file format. Check out a brief introduction to a few utilities,
and then move on to download them.


'''Step 8:'''
<code> $ sudo cat > /etc/yum.repos.d/ldview.repo << FILE<br>
[ldview]<br>
name=LDView Repository<br>
baseurl=http://download.opensuse.org/repositories/home:/pbartfai/Fedora_$(rpm -E %fedora)/<br>
gpgkey=http://download.opensuse.org/repositories/home:/pbartfai/Fedora_$(rpm -E %fedora)/repodata/repomd.xml.key<br>
enabled=1<br>
gpgcheck=0<br>
FILE</code>


'''[http://www.ldraw.org/modules.php?op=modload&amp;name=Downloads&amp;file=index Download Software]'''
'''Tip:''' The variable <code>"$(rpm -E %fedora)"</code> refers to RPM's way (on the Fedora distribution) of finding the current version and attributing the proper number to the URL.


Check out LDraw.org's (incomplete) list of software packages to
'''Note:''' The OpenSUSE build server team automatically generates the configurations for upcoming or newer versions of any supported Red Hat distribution, ONLY when those distribution versions are finalized, stable and made available to the public.
download which supplement the standard editors. Download programs like
L3P, POV-Ray, various file format converters and rendering tools.


'''Help!'''
===LDraw Linux Command Line Utilities (L2CU)===


Need help with any of this? Check out [http://www.ldraw.org/article/7 LDraw.org's Help Section], pr check out the [http://news.lugnet.com/cad/ Lugnet CAD]
L2CU is a set of command line utilities developed By Nathanel Titane to enable bulk LDraw model file parsing, editing, exporting, conversion and upload (to Sketchfab.com) without the direct need to use an LDraw CAD editor (though it needs to be installed to enable certain application features). Amongst certain modification options, the user can have parts, colors and/or part's colors, for any ldr and/or mpd file modified to his/her choice, within a selected directory.
discussion groups and ask a large group of users for help.
 
These tools are especially suited for bulk model file updates, upgrades or modifications: you can attend to deprecated or modified parts in an especially effective manner by:
 
* replacing an old part entry by a newer one
* replacing a specified color by a different one
* replacing a specific part's color with a new color
 
'''Notes:'''
*The use of these utilities assumes that the user has previously tested the part/color replacement option manually before parsing all files in bulk.'''
*This application assumes that the model files to be edited abide by the LDraw ldr/mpd file specification.'''
 
To get the utilities, please visit the dedicated Github page: [http://github.com/nathaneltitane/ldraw LDraw Utilities Github repository]
 
<!--
 
Not really directly applicable to this page
 
===Buf3D/Buf3D+ (Android)===
 
Buf3D is an application aimed at bringing the most actual developments of OpenGL technology for model viewing purposes to the Android mobile platform. Among many of its supported file formats and model viewing features it includes the ability to view LDraw models. It will prompt you to make use (online) or download of the official LDraw parts library.
 
The newly released Buf3D+ is a bugfix and ad-free version of the initial Buf3D application. Purchasing this version of the application would be of great help in enticing the developer to optimize the current state of the application, updating the framework to the latest Android standards and possibly adding requested features to make it even more formidable.
 
* Buf3D on the [https://play.google.com/store/apps/details?id=com.cimplus.buf3d Google Play Store]
* Buf3D+ on the [https://play.google.com/store/apps/details?id=com.cimplus.buf3dp Google Play Store]
 
'''Note:'''
'''The author of this wiki, Nathanel Titane, has contacted the application developer to help enhance the application and bring it to the latest Android and LDraw compatibility standards. The current version is highly efficient in displaying models, though it can still benefit much improvement in the likes of parts database updating and OpenGL shader display functions. Stay tuned!'''
 
-->
==Dive in==
 
Learning how to use your new editor or understanding the LDraw file format may be a challenge, but with a little practice you will get the hang of it. Take a look at the tutorials [[:Category:Tutorials|on the wiki]] or [http://www.ldraw.org/article/58.html on the main website] for further help.
 
==Help==
 
Forums are also a great way to discuss techniques, issues or features of editors or applications used to create or edit your LDraw model files. If you require any further help with any of this content, please visit the [http://forums.ldraw.org LDraw.org Forums], sign up, and ask a large group of users for help.
 
==Disclaimer==
 
The author(s) of this Wiki hereby releases himself/themselfs of any responsibility consequent of the actions taken by any user inside or outside of the specified information and steps listed within this Wiki.
 
[[Category:Linux]]
[[Category:Tutorials]]

Latest revision as of 22:05, 28 April 2018


Download and Install the LDraw parts Library

Basic setup (applies to any Linux distribution or operating system - Recommended approach)

  • Download the latest complete.zip from LDraw.org download page.
  • Extract the complete.zip archive in the directory of your choice - your home directory is recommended for simplicity (~/ldraw/).

Updating your parts list

If, for any reason you have decided to alter the original parts directory (~/ldraw/parts.lst), Nathanel Titane has made a Linux native 'mklist.exe' equivalent: 'make-list'. The make-list utility operates exactly like its Windows counterpart, and generates a 'parts.lst' file that can be either sorted by part number or part description.

  • Download the utility here (right click: 'Save link as...')
  • Save the utility as 'make-list' to your LDraw parts library directory (~/ldraw/).
  • Run the utility in the terminal: chmod +x make-list && ./make-list and follow the prompts.

Note: If present, the previous version of the 'parts.lst' file will be backed up.

Install an editor

LeoCAD (recommended)

Leonardo Zide's LeoCAD is readily available for install for both Debian and Red Hat based distributions. You can download a no-install AppImage from https://www.leocad.org/download.html (recommended), alternatively, you can install the editor by looking for and installing the leocad package using your preferred package manager or command package management tool.

  • Install LeoCAD:
    • All systems (AppImage method, recommended): Go to https://www.leocad.org/download.html, select "Download LeoCAD for Linux", make the AppImage executable (chmod +x), and double-click to run.
    • APT-based systems (e.g. Ubuntu, Mint): sudo apt-get install leocad
    • YUM-based systems (e.g. Fedora): sudo yum install leocad
  • Run LeoCAD and point it to the LDraw parts library:
    • Go to View > Preferences... and set your library directory by either typing it in the field or browsing to it via '...'. Make sure to select the topmost directory (normally 'ldraw') that contains the 'parts' directory.

Notes:

  • LeoCAD can use either a zip file or a regular folder as its parts library directory.
  • You can start Leocad with a different library setup using: $ leocad -l <library directory path>
  • LeoCAD also supports setting the library path as a system environment variable like so: $ set LEOCAD_LIB=<library directory path>
  • LeoCAD supports redirection to the official LDraw parts library. If you have downloaded and/or set up the LDraw parts directory on your system, you can modify LeoCAD's preferences to use your library directory as its parts database. To do so, navigate to View > Preferences and browse to the corresponding directory under the 'Custom parts library' field.

LDCad

  • Go to LDCad's download page
  • Select and download the latest generic archive of the LDCad editor.
  • Extract the archive in the directory of your choice - your home directory (or a subfolder of it) is recommended for simplicity.
  • Run LDCad, follow the prompts and point it to the LDraw parts library. Make sure to select the topmost directory (normally 'ldraw') that contains the 'parts' directory.

Note: LDCad assumes you have GTK2 installed (just about any distro should have it). Make sure you have installed the required packages and libraries to avoid any issues.

LDGLite

LDglite is only available as a standalone 64bit binary for Linux. Compared to the other editors, it does pale in comparison to the amount of features present on the more modern ones. If for curiosity's sake you still want to install it, proceed as follows:

  • Download the LDGLite binary archive
  • Extract the archive in the directory of your choice - your home directory is recommended to avoid any file permission conflict or having to tamper with your system as 'root'.
  • Run LDGlite, right click on its background to get started.

Notes:

  • Make sure that the binary is set as executable before attempting to run it: $ sudo chmod +x ldglite
  • This specific standalone requires libraries such as the DRI-accelerated OpenGL libraries, glut, glu, libpng and zlib to be installed.
  • If, for whatever reason LDGlite fails to start by clicking on the binary, you may run it via a terminal and verify its output, like so: ./ldglite

MLCAD (Hybrid setup)

  • Install Wine via your distribution's package manager or application repository.
    • APT-based systems (e.g. Ubuntu, Mint): sudo apt-get install wine
    • YUM-based systems (e.g. Fedora): sudo yum-install wine
  • Download the MLCad archive.
  • Extract the MLCad_V3.40.zip archive in the directory of your choice - your home directory is recommended to avoid any file permission conflict or having to tamper with your system as 'root'.
    • Run MLCad by selecting MLCAD.exe and follow the usual prompts (LDraw parts library directory location and file type registration setup)
    • Select Wine as the default method to open an executable on your system and proceed with the previously mentioned steps.

Note: MLCad runs exceptionally well (Platinum status on Wine's AppDB scale). Any encountered problem, whatever it may be, should be troubleshooted or reported to the Wine developers as they are responsible for maintaining Wine's underlying code base that makes running Windows executables on Linux distributions possible.

Additional applications

LPub3D

LPub3D is Trevor Sandy's continuation and modernization of Kevin Clague's LDraw building instruction editor. This tool is extremely powerful as it enables the creation of highly detailed, professional looking instructions. It uses external rendering applications to generate the model's step thumbnails to be included in the document. Both LDView and LDGlite are supported.

The latest version can be found as a no-installation-required AppImage at https://github.com/trevorsandy/lpub3d/releases; download LPub3D-<version>-x86_64.AppImage, set it as executable (chmod +x), and double click to open.

LDView

LDView, by Travis Cobbs, is a real-time 3D viewer for displaying LDraw models using hardware-accelerated 3D graphics. It is an essential tool in the creation of a model as it can be used to view and debug, in real-time and with full 3D graphics capacity, the model currently being edited (using the auto-update polling preference). It can also generate snapshots of the displayed content or of specific selected views of the given model. LDView is native to the Linux platform and is readily available for install for both Debian and Red Hat based distributions.

  • Download the latest installer package from LDView's downloads page.
  • Install LDView by using your preferred package manager or command package management tool.

Notes:

APT-based systems (e.g. Ubuntu, Mint): Your system may complain about either missing packages or unresolved dependencies. You may resolve these by running a "fix install" fix like so: $ sudo apt-get -f install

YUM-based systems (e.g. Fedora): LDView's Linux maintainer, Peter Bartfai, has an LDView repository set up using the OpenSuse build server system, from which you can get the latest LDView version, provided you add the yum repository information as follows:

$ sudo cat > /etc/yum.repos.d/ldview.repo << FILE
[ldview]
name=LDView Repository
baseurl=http://download.opensuse.org/repositories/home:/pbartfai/Fedora_$(rpm -E %fedora)/
gpgkey=http://download.opensuse.org/repositories/home:/pbartfai/Fedora_$(rpm -E %fedora)/repodata/repomd.xml.key
enabled=1
gpgcheck=0
FILE

Tip: The variable "$(rpm -E %fedora)" refers to RPM's way (on the Fedora distribution) of finding the current version and attributing the proper number to the URL.

Note: The OpenSUSE build server team automatically generates the configurations for upcoming or newer versions of any supported Red Hat distribution, ONLY when those distribution versions are finalized, stable and made available to the public.

LDraw Linux Command Line Utilities (L2CU)

L2CU is a set of command line utilities developed By Nathanel Titane to enable bulk LDraw model file parsing, editing, exporting, conversion and upload (to Sketchfab.com) without the direct need to use an LDraw CAD editor (though it needs to be installed to enable certain application features). Amongst certain modification options, the user can have parts, colors and/or part's colors, for any ldr and/or mpd file modified to his/her choice, within a selected directory.

These tools are especially suited for bulk model file updates, upgrades or modifications: you can attend to deprecated or modified parts in an especially effective manner by:

  • replacing an old part entry by a newer one
  • replacing a specified color by a different one
  • replacing a specific part's color with a new color

Notes:

  • The use of these utilities assumes that the user has previously tested the part/color replacement option manually before parsing all files in bulk.
  • This application assumes that the model files to be edited abide by the LDraw ldr/mpd file specification.

To get the utilities, please visit the dedicated Github page: LDraw Utilities Github repository

Dive in

Learning how to use your new editor or understanding the LDraw file format may be a challenge, but with a little practice you will get the hang of it. Take a look at the tutorials on the wiki or on the main website for further help.

Help

Forums are also a great way to discuss techniques, issues or features of editors or applications used to create or edit your LDraw model files. If you require any further help with any of this content, please visit the LDraw.org Forums, sign up, and ask a large group of users for help.

Disclaimer

The author(s) of this Wiki hereby releases himself/themselfs of any responsibility consequent of the actions taken by any user inside or outside of the specified information and steps listed within this Wiki.

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