POV-Ray : Newsgroups : povray.windows : Notes on multiple user setups : Notes on multiple user setups Server Time
12 Jun 2024 13:28:24 EDT (-0400)
  Notes on multiple user setups  
From: Erich
Date: 5 Mar 2015 10:00:01
Message: <web.54f86f031557c88775fef6f50@news.povray.org>
There is a previous message thread that this is related to, but it was long and
contentious and I thought this might be more helpful at the top of a new

I appreciate that some effort was put into this latest version of POV-Ray to try
to accommodate multiple users.  Unfortunately, I think the effort was directed
toward offering options for defining paths in a specific type of multi-user
environment (roaming profiles and apps on shared drives) and less on options
that would help both that environment and the general user or even home users).
I suspect a vast majority of multi-user environments would be happy with the
default locations, but they need the program to work for everyone logging in.  I
think there are two big issues to point out.

1) The documentation (as I comprehend it) about non-standard installations is
not about the _install_ process, but rather the POV-Ray initial start-up
process.  The /INSTALL and /QINSTALL switches are not intended to and *do not
work* with the downloaded installer.  They work with the POV-Ray executable(s).
While this is covered in the documentation, it is not made clear in the
"Non-Standard Installations" section which many people seeking help for this are
directly linked to.  Having a switch named "/Install" for something that is
already installed adds to the confusion.  I think "\paths" would make more

The documentation states that "it may not be necessary to install anything", but
gives no information on how to get POV-Ray on the machine short of

The documentation also states that if the "documents" directory doesn't exist,
"it will be automatically created along with the INI directory beneath it."
What it doesn't say is that those will be empty directories.  It doesn't state
anywhere that it is the responsibility of the user/lab manager to put all the
necessary (and default) documents into that location regardless of whether it is
"inferred" or expressly stated.  What is the point of the code that creates
empty directories when there are files that are clearly needed in those
directories?  This code should be easily extended to resolve the next issue...

2) The required, user-editable documents are only installed for the installing
user (administrator or not).  When a new user tries to start POV-Ray and the
machine they are using was not configured by a competent administrator (with
available time to work out these issues), the first thing they get is an error.
That doesn't look good.

A few years ago, I posted about this and included a simple batch file to be
disguised as POV-Ray.  The .bat checks for the user POV-Ray files and
copies/creates them if they don't exist.  It works fine *except* that most users
don't start POV-Ray from the icon (.bat).  They call POV-Ray directly from
another application and then we get a call because "POV-Ray isn't working."  One
solution is to include the POV-Ray user files in the default profile, but that
doubles our default profile size causing all user's initial log in (which may be
every time with Deep Freeze) to take longer and makes the user profile that much
bigger -- a problem for entities that don't use Deep Freeze or who store
profiles on the network.  This doesn't make sense when only a small (but
significant) percentage of users ever use POV-Ray.

All other software with which I am familiar (which is a significant library)
except for a few packages NOT designed for multiple users (such as to collect
data from equipment that takes a highly trained technician to run) will create
any missing-but-required, default, user-editable files when it starts.  Why
can't POV-Ray do something similar?  You could include a default copy of all the
"documents" files in it's "Home" directory and upon reaching the point that it
currently does where it creates the empty "documents" directory, simply
create/copy the default set of initial user-editable files?

I saw a mention in the other message thread about using a pre-install and
needing MSI support.  I am not a developer, so I am not entirely sure of the
details of those functions, but I know what I have observed with other software.
 Look at Mozilla products for example.  They distinctly do not offer MSI
installation (much to many lab manager's frustration), but they do manage to
create default files on first start for any user whether they had a Windows user
profile at the time of installation or not.  Are they using "MSI support"?

If I get time (and you are interested), I will take a stab at specific
suggestions for the documentation related to multiple users to make it less
"developery" and more friendly for lab manager types who are the ones most
likely to be using it.

Sorry for the long post, but I'm trying to logically explain the frustration of
the end user (like "Nick") without frustrating the developers who have worked so
hard on this.


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