Re: What makes a line a line in a chunk expression?

2009-09-07 Thread Jim Ault


I would suggest you do some testing to find the real cause(s) of the  
situation.

There is a disconnect somewhere.
-- try this handler in a new stack with a single new option menu  
button named taskBar


on menuPick theItem -- in a pulldown menu
   get the text of button taskBar
   --the dashes will indicate extra spaces
   get it  cr  --  the short name of button taskBar  --
   get it  cr  --  the label of button taskBar  --
   get it  cr  --  theItem  --
   put theItem is among the lines of IT into success

   put it  cr  cr  success into msg
end menuPick

This success shows true.

Jim Ault
Las Vegas

On Sep 6, 2009, at 10:31 PM, Len Morgan wrote:

I wish it was that simple but if that DOES turn out to be the  
problem, there's something not quite right with Rev itself.  From an  
earlier post, I am comparing the pChoice that is passed by the  
menuPick handler with the text of button taskBar which is the  
button that sent me the pChoice in the first place so they should  
both be getting their data from the same object and should therefore  
be the same.


That is of course, unless the menuPick parameter is not a true  
line but I would think I'd get a chunk types don't match message  
or something like that.


This seems like a very simple thing but it's giving me fits!

len morgan

J. Landman Gay wrote:

Len Morgan wrote:

If I type the lines:

put Movement History into myChoice
put the text of button taskBar into tLines
put (myChoice is among the lines of tLines)

into the message box, the result I get is false


When you use is among, the entire line must match to get a hit.  
If the line you are trying to match has any extra characters (maybe  
Movement History for Dummies) then the result is false. The two  
strings must be identical.


If you are trying to match only the beginnings of lines, try  
something like this:


if offset(cr  myChoice, cr  tLines)  0 then...


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Re: 6 Year Old Stack Runs Fine as a Revlet

2009-09-07 Thread Richmond Mathewson
I understand that in the next build of the revlet-webby-thingy-plugin thething
about the layering being wrong with substacks will be sorted out.

On Mon, Sep 7, 2009 at 3:36 AM, Sivakatirswami ka...@hindu.org wrote:

 http://www.himalayanacademy.com/runrev/dws-youth/

 Amazing... built in late 2003 I would be embarrassed to
 let anyone see the mess of code that runs this thing...
 The beauty of RunRev: any amateur with a little concept
 can still do something quit amazing.

 .. I just built a revlet and put it up. it works...

 I dare anyone to do this in Flash in the same time
 it took me to build the original

 (about 18 man hours or so, first draft,
 4-5 hours tweaking later over time.)

 Caveats:
 1) Known issue:

 When you click Begin the substack opens behind the browser.

 So go back and bring it forward. Enjoy the artwork

 2) Some sub-stacks have no close button, but only a quit ... this
 promptly terminates RevWebPlayer, but leaves all the stack posters as
 artifacts up all over the screen... Not a big problem... just switch to the
 browser and close the web page.

 Time to dust off the old edu tools and add some sound and interactive
 things.

 Dreams I had back in 1999-2003 can now be realized...long live
 runrev-revtalk.

 Sivakatirswami

 p.s. ideas on what might be done to enhance this would be more than
 welcome. I don't have the mental re-estate right now to build out a broader
 functional specification, but it begs for more...please pile on!







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Re: What makes a line a line in a chunk expression?

2009-09-07 Thread Len Morgan

Jim,

This works on my machine but as Sarah pointed out to me, it's actually 
pointless since they should NEVER be different (i.e., it should never 
pick something that is not on the list of options so why check?  What I 
really wanted to do was see if a CARD with that name existed (something 
like if pChoice is among the cards of this stack... which doesn't work 
because apparently, the cards of this stack is not a valid command.


len

Jim Ault wrote:


I would suggest you do some testing to find the real cause(s) of the 
situation.

There is a disconnect somewhere.
-- try this handler in a new stack with a single new option menu 
button named taskBar


on menuPick theItem -- in a pulldown menu
   get the text of button taskBar
   --the dashes will indicate extra spaces
   get it  cr  --  the short name of button taskBar  --
   get it  cr  --  the label of button taskBar  --
   get it  cr  --  theItem  --
   put theItem is among the lines of IT into success

   put it  cr  cr  success into msg
end menuPick

This success shows true.

Jim Ault
Las Vegas

On Sep 6, 2009, at 10:31 PM, Len Morgan wrote:

I wish it was that simple but if that DOES turn out to be the 
problem, there's something not quite right with Rev itself.  From an 
earlier post, I am comparing the pChoice that is passed by the 
menuPick handler with the text of button taskBar which is the 
button that sent me the pChoice in the first place so they should 
both be getting their data from the same object and should therefore 
be the same.


That is of course, unless the menuPick parameter is not a true line 
but I would think I'd get a chunk types don't match message or 
something like that.


This seems like a very simple thing but it's giving me fits!

len morgan

J. Landman Gay wrote:

Len Morgan wrote:

If I type the lines:

put Movement History into myChoice
put the text of button taskBar into tLines
put (myChoice is among the lines of tLines)

into the message box, the result I get is false


When you use is among, the entire line must match to get a hit. If 
the line you are trying to match has any extra characters (maybe 
Movement History for Dummies) then the result is false. The two 
strings must be identical.


If you are trying to match only the beginnings of lines, try 
something like this:


if offset(cr  myChoice, cr  tLines)  0 then...


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Quicktime and the Snow Leopard

2009-09-07 Thread Richmond Mathewson
I have just been reading this:
http://www.appleinsider.com/articles/09/09/01/inside_mac_os_x_snow_leopard_quicktime_x.html

this, particularly:

the new QuickTime X doesn't do everything that the previous QuickTime 7.x
does, such as providing complex transcoding options, component plugins for
installing alternative codecs, or the ability to hint tracks for RTSP
streaming via QuickTime Streaming Server. That's why Apple includes an
updated version of the previous QuickTime 7.x player as an optional install
in Snow Leopard to handle all of those features. 

which would seem to suggest that if one authors for Mac OS 10.6 one cannot
really rely on Quicktime as we
on Mac 10.4 and 10.5 understand it. This may impinge on how Revolution
leverages Quicktime for its
multimedia capabilities.
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Re: What makes a line a line in a chunk expression?

2009-09-07 Thread Thierry


Le 7 sept. 09 à 17:09, Len Morgan a écrit :


Jim,

... which doesn't work because apparently, the cards of this  
stack is not a valid command.


Hi,

See : CardNames and/or CardIDs in the Dictionary
Should do what you want

HTH
THierry

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Rev Dbase OBDC with 4thDimension

2009-09-07 Thread Sivakatirswami
Is anyone using Rev with 4D?  I've just come into a need to be able to 
create my own GUI to access the dBase, the tables and fields are all 
good, but the layout is not and the team that does this work is way to 
busy to take any input so  I need to cook up my own if I can.


I needs some guidance on the basic connection framework.

thanks
skts

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Graphic speed comparison between webLets and desktop stacks

2009-09-07 Thread James Hurley
I enjoyed  Ben Beaumont's presentation of planetary motion at the  
conference. I couldn't tell from the streaming video how smoothly the  
planets moved around the Sun. It was very bumpy on my screen, but most  
of that was surely due to the nature of streaming video. To see this  
for myself, I built a stack (see below) to compare the moving planets  
on the desktop with the webLet.  We know that the speeds will change,  
but by how much?


(By the way,  I thought it was terrific. I was really impressed by how  
bright and articulate the presenters were. Lots of really good  
information.)


In order to get some quantitative data I made a stack to simulate a  
ball (planet)  moving along a set of points on a circle--see stack and  
web site below.


In dealing with graphics (or images) moving along a set of points on a  
line there are three ways to cycle through the points:


(1)  Use a Send message in x millisec to cycle recursively through  
the points using x to control speed. (Asynchronous--i.e. allows for  
concurrent message sending)
(2) Use a simple repeat loop, using a Wait x millisec between repeat  
to control speed (Not asynchronous)
(3) Or use the Rev Move command, using the DragSpeed propterty to  
control speed. (Asynchronous)


And there are generally two methods of moving an object from one point  
to the next:


(A) Using the set location command
(B) Using the Move command.

In all of these options, the number of points on the graphic line is a  
potential variable and will affect the speed and the smoothness of the  
motion. It is the smoothness of the motion that to me is the critical  
factor, not too difficult to achieve on the desktop but much more  
difficult on the Web. I failed on the Web task. I don't know if Rev is  
still working on this. It is not a high priority issue at this time.


Here is what I found from playing with the parameters (1, 2, 3, A, B  
above) using the OnWebGraphicTImer stack below:


(1) Speed: The web is much faster than the desktop, as much as five  
and a half times faster if one uses Set Loc to cycle through the  
points. If one uses the Move command to move through the points THERE  
IS NO CHANGE in speed. I presume that Rev redefined Move to have this  
effect.


(2) Smooth motion: On the desktop, Set Loc and Send Message In TIme is  
the best way to go. The synchronous repeat loop is bumpy, as it the  
Move command. On the Web I couldn't find any combination of parameters  
and modes and number of points on the line to achieve smooth motion.


You can also see this bumpy motion on Rev's own Web site: http://revmedia.runrev.com/revMedia/ 
   Notice how the Rev icon bumps along the set of line points.


There is another problem intrinsic to the Move command: The speed  
along the points is uniform regardless of the distance between points.  
The speed along the entire path is governed by the MoveSpeed property.  
Because of this it cannot be used to deal with planetary motion (or  
simple projectile motion) since the planet should speed up as it nears  
the Sun at the focal point of the ellipse and slow down as it move  
away from the focal point. And of course a bouncing ball does not move  
with uniform speed.


Someone at the conference asked about this speed issue (slow on the  
desktop--much faster on the web) but I couldn't hear the answer, only  
that it sounded like it was Kevin who responded. I suspect it must be  
a matter of timing of the screen refresh rate. But I have no real  
understanding of what goes on behind the scenes. Can anyone fill me in  
on what Kevin said? And it still under consideration?  It is surely  
not a high priority at this early stage.


On the Mac there has been a longstanding problem in using repeat loops  
to control the movement of screen objects. It is necessary to insert a  
forced screen refresh every time through the loop on the desktop. That  
problem goes away on the Web. A screen refresh is no longer needed.


The stack I wrote is very busy, lots of factors to vary in order to  
compare all the possibilities. If you have the courage you  can  
compare these things for yourself  on the desktop using the stack:


   go url http://jamesphurley.on-rev.com/OnRevGraphicTimer.rev;

And on the Web, go to

http://jamesphurley.on-rev.com/OnRevTimer/test.html

The stack is a little busy. Jim Hurley

(P.S. On the third card of the stack above I added is a simulation of  
planetary motion. The speed is fine on the desktop and the motion is  
very smooth,  but it is WAY too speedy on the Web. I didn't include  
any accommodation for the speed change on the Web. A good example of  
the need to do so.

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Re: Graphic speed comparison between webLets and desktop stacks

2009-09-07 Thread Ian Wood





Someone at the conference asked about this speed issue (slow on the  
desktop--much faster on the web) but I couldn't hear the answer,  
only that it sounded like it was Kevin who responded. I suspect it  
must be a matter of timing of the screen refresh rate. But I have no  
real understanding of what goes on behind the scenes. Can anyone  
fill me in on what Kevin said?


From what I can remember, he said that Rev apps on OS X use three  
layers of buffering to draw to the screen, but due to the way the plug- 
in interacts with the browser only two layers of buffering are required.


Ian 
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Re: Quicktime and the Snow Leopard

2009-09-07 Thread Bernard Devlin
I've been exploring QT a lot in the past few months for a project I
have in mind.  And the changes from QT7 to QTX do give me cause for
concern.  Especially since so much of the information on QT on
developer.apple.com has been marked as 'legacy'.

Since Apple has spent so long building on top of QT, it probably was
in need of a re-write (which appears to be what they've done).  The
question is what is left of the old QT, and what past functionality
has been lost.  Following the link on developer.apple.com for What's
New in Quicktime brings one to this page:
http://developer.apple.com/quicktime/whatsnew.htm , where there is
absolutely zero information on QTX (in fact, there's nothing there on
QT7.3 to QT7.6) .  That gives me the impression of a technology that
Apple does not see as relevant to developers.

It seems that there are many businesses that were built around adding
functionality to QT that have gone to the wall.  And many books on QT
can be picked up on amazon for a couple of dollars (I bought a handful
myself in the last few months).

I've no doubt that QT is still an important part of Apple's delivery
mechanism for iTunes.  But maybe they've ceded the area of multimedia
delivery to Flash.  It's a pity, as working with QT seems a lot easier
than working with Flash.

I don't think that QT can be particularly important for RunRev anyway,
since there's been a long-standing bug with stacks that have QT
players on them being able to have a title
(http://quality.runrev.com/qacenter/show_bug.cgi?id=6235).

Bernard

On Mon, Sep 7, 2009 at 4:13 PM, Richmond
Mathewsonrichmondmathew...@gmail.com wrote:
 I have just been reading this:
 http://www.appleinsider.com/articles/09/09/01/inside_mac_os_x_snow_leopard_quicktime_x.html

 this, particularly:

 the new QuickTime X doesn't do everything that the previous QuickTime 7.x
 does, such as providing complex transcoding options, component plugins for
 installing alternative codecs, or the ability to hint tracks for RTSP
 streaming via QuickTime Streaming Server. That's why Apple includes an
 updated version of the previous QuickTime 7.x player as an optional install
 in Snow Leopard to handle all of those features. 

 which would seem to suggest that if one authors for Mac OS 10.6 one cannot
 really rely on Quicktime as we
 on Mac 10.4 and 10.5 understand it. This may impinge on how Revolution
 leverages Quicktime for its
 multimedia capabilities.
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RE: Quicktime and the Snow Leopard

2009-09-07 Thread Lynn Fredricks
 which would seem to suggest that if one authors for Mac OS 
 10.6 one cannot really rely on Quicktime as we on Mac 10.4 
 and 10.5 understand it. This may impinge on how Revolution 
 leverages Quicktime for its multimedia capabilities.

I found this to be interesting:
http://arstechnica.com/apple/reviews/2009/08/mac-os-x-10-6.ars/6

What disturbs me is that Apple hasn't been forthcoming about QuicktimeVR.
Ive read some reports that some things work with Quicktime X player while
others not. There are a number of vertical markets (and a lot of Mac games)
that utilize QTVR.

Some of the new playback features of the player - to me - are non issues.
Apple wants to position its products as the center of your digital
lifestyle, so no stutter full screen playback should be a consistently high
quality on every Apple platform, without dinking you $30 for Pro.

Best regards,

Lynn Fredricks
President
Paradigma Software
http://www.paradigmasoft.com

Valentina SQL Server: The Ultra-fast, Royalty Free Database Server 


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Re: Quicktime and the Snow Leopard

2009-09-07 Thread Colin Holgate
The new QuickTime Player is fairly neat, and will do most of the  
things that most people will need to do. For us who need to do more  
complex editing, or adding of multiple tracks and so on, we can  
install the QuickTime Player 7.


As for what Rev can play back, it's probably best to just try it, on  
both a 10.6 machine that has had the optional QT7 install, and one  
that hasn't. I have it installed, so if you have any QuickTIme files  
you want me to try in Rev, let me know.


The only things that I know of that QTX has trouble playing is .MID  
and QTVR. In RevMedia I can play an old QTVR panorama, a cubic QTVR,  
and an MOV with a MID track in it (Rev hates just MID on its own, but  
is fine with a MOV that has a video track and a MID track). This all  
suggests that Rev is using QT7 features, so I'm not sure how a machine  
that didn't have the optional install would get on.

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Re: Quicktime and the Snow Leopard

2009-09-07 Thread Neal Campbell
In would caution that you are also dealing with a version 1.0 or a very
majory rewrite. It will grow and accumulate fixes, new functionalities and
weirdnesses all its own.


Neal Campbell
Abroham Neal Software
www.dxbase.com
www.abrohamnealsoftware.com
www.sdrsystems.com
(540) 242 0911

Amateur Radio: K3NC
Blog: http://www.abrohamnealsoftware.com/blog/
DXBase bug reports: email to ca...@dxbase.fogbugz.com
Abroham Neal forums: http:/www.abrohamnealsoftware.com/community/

DX Cluster: dxc.k3nc.com port 23





On Mon, Sep 7, 2009 at 12:18 PM, Colin Holgate co...@verizon.net wrote:

 The new QuickTime Player is fairly neat, and will do most of the things
 that most people will need to do. For us who need to do more complex
 editing, or adding of multiple tracks and so on, we can install the
 QuickTime Player 7.

 As for what Rev can play back, it's probably best to just try it, on both a
 10.6 machine that has had the optional QT7 install, and one that hasn't. I
 have it installed, so if you have any QuickTIme files you want me to try in
 Rev, let me know.

 The only things that I know of that QTX has trouble playing is .MID and
 QTVR. In RevMedia I can play an old QTVR panorama, a cubic QTVR, and an MOV
 with a MID track in it (Rev hates just MID on its own, but is fine with a
 MOV that has a video track and a MID track). This all suggests that Rev is
 using QT7 features, so I'm not sure how a machine that didn't have the
 optional install would get on.

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RE: Quicktime and the Snow Leopard

2009-09-07 Thread Lynn Fredricks
Hi Colin,

 The only things that I know of that QTX has trouble playing 
 is .MID and QTVR. In RevMedia I can play an old QTVR 
 panorama, a cubic QTVR, and an MOV with a MID track in it 
 (Rev hates just MID on its own, but is fine with a MOV that 
 has a video track and a MID track). This all suggests that 
 Rev is using QT7 features, so I'm not sure how a machine that 
 didn't have the optional install would get on.

Can you confirm if the QTVRs are working with Quicktime 7 not installed, or
if it requires Quicktime 7? Also, did you try anything with hotspots?

Best regards,

Lynn Fredricks
President
Paradigma Software
http://www.paradigmasoft.com

Valentina SQL Server: The Ultra-fast, Royalty Free Database Server 

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Re: Quicktime and the Snow Leopard

2009-09-07 Thread Colin Holgate


On Sep 7, 2009, at 1:29 PM, Lynn Fredricks wrote:

Can you confirm if the QTVRs are working with Quicktime 7 not  
installed, or

if it requires Quicktime 7? Also, did you try anything with hotspots?


Not easily, and no to hotspots. Is there a movie online I can try?


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RE: Quicktime and the Snow Leopard

2009-09-07 Thread Lynn Fredricks
Hi Colin,

  Can you confirm if the QTVRs are working with Quicktime 7 not 
  installed, or if it requires Quicktime 7? Also, did you try 
 anything 
  with hotspots?
 
 Not easily, and no to hotspots. Is there a movie online I can try?

The VR Worx is a good example site for the various types - not a lot there,
but some of each:

http://www.vrtoolbox.com/gallery/scene_gallery/scene_gallery.html

The roman collesium has a couple of hotspots on it. There are also some
object movies there too.

Best regards,

Lynn Fredricks
President
Paradigma Software
http://www.paradigmasoft.com

Valentina SQL Server: The Ultra-fast, Royalty Free Database Server 

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Re: Quicktime and the Snow Leopard

2009-09-07 Thread Colin Holgate


On Sep 7, 2009, at 1:43 PM, Lynn Fredricks wrote:



http://www.vrtoolbox.com/gallery/scene_gallery/scene_gallery.html


I tried the scene one, and an object one, and they both worked fine.


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Re: Rev Dbase OBDC with 4thDimension

2009-09-07 Thread Malte Pfaff-Brill

Hi Sivakatirswami,

I am currently working on a project, where 4d and Rev share the same  
database. The database in this case is mySQL though, so the connection  
is pretty straight forward. As 4d, (and Rev) can work with a multitude  
of databases, it would be best to ask the fellows, which db is working  
under the hood.


All the best,

Malte
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Re: Rev Dbase OBDC with 4thDimension

2009-09-07 Thread stephen barncard
Sorry for the misinformation. It's been a long time since I worked with
4d (93?)
-
Stephen Barncard
San Francisco
http://houseofcubes.com/disco.irev


2009/9/7 Malte Pfaff-Brill revolut...@derbrill.de

 Hi Sivakatirswami,

 I am currently working on a project, where 4d and Rev share the same
 database. The database in this case is mySQL though, so the connection is
 pretty straight forward. As 4d, (and Rev) can work with a multitude of
 databases, it would be best to ask the fellows, which db is working under
 the hood.

 All the best,

 Malte
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Re: What makes a line a line in a chunk expression?

2009-09-07 Thread Sarah Reichelt
On Tue, Sep 8, 2009 at 1:09 AM, Len Morganlen-mor...@crcom.net wrote:
 Jim,

 This works on my machine but as Sarah pointed out to me, it's actually
 pointless since they should NEVER be different (i.e., it should never pick
 something that is not on the list of options so why check?  What I really
 wanted to do was see if a CARD with that name existed (something like if
 pChoice is among the cards of this stack... which doesn't work because
 apparently, the cards of this stack is not a valid command.



 I use:
   if there is a card pChoice then

Cheers,
Sarah
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4.0 DP4 Dictionary only showing Mac Entries

2009-09-07 Thread Derek Bump
Is there any way to get the built-in dictionary on the 4.0 DP4 release
to show more than just Mac OS, Mac OS X and Linux entries.  I'm running
the Developer Preview 4 on Vista and Snow Leopard and both platforms are
only showing Mac entries in the dictionary.


Derek Bump
Dreamscape Software
http://www.dreamscapesoftware.com

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Re: 4.0 DP4 Dictionary only showing Mac Entries

2009-09-07 Thread Sarah Reichelt
On Tue, Sep 8, 2009 at 8:51 AM, Derek
Bumpuserevolut...@dreamscapesoftware.com wrote:
 Is there any way to get the built-in dictionary on the 4.0 DP4 release
 to show more than just Mac OS, Mac OS X and Linux entries.  I'm running
 the Developer Preview 4 on Vista and Snow Leopard and both platforms are
 only showing Mac entries in the dictionary.


While there is something strange going on, this is not quite what I see.
Sort the dictionary entries by platform and you will see a bunch of
entries with no specified platform.
Then there are entries labelled Linux, Mac OS X  Windows which
seem to be for entries that are unique to a single platform.
Everything else seems to be labelled MacOS seen though they are
terms used in every platform e.g. me.

On a side note, I think using MacOS as a platform descriptor is
confusing as people assume it applies to all Mac systems where in fact
it means Mac Classic systems i.e. OS 9 or earlier. I think this needs
to be changed in the docs to clarify this point.

Cheers,
Sarah
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Re: Rev Dbase OBDC with 4thDimension

2009-09-07 Thread Sivakatirswami

Malte Pfaff-Brill wrote:

Hi Sivakatirswami,

I am currently working on a project, where 4d and Rev share the same 
database. The database in this case is mySQL though, so the connection 
is pretty straight forward. As 4d, (and Rev) can work with a multitude 
of databases, it would be best to ask the fellows, which db is working 
under the hood.


All the best,

Malte


We are using the latest 4D V 11 which was completely written. the Data 
storage format is SQL compliant, It was a major upgrade (headache) for 
the team to convert, but it runs really well.



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