[arriscad] database format

[Gary Thill]

    As Roger mentioned, I believe you meant to say "...has changed the 
/input /units from feet to inches".
    Output display values can be changed at any time. /Input/ values 
(database units) can only be changed
    in an empty database.

    Layers which are copied from any target drawing to a different 
source drawing will automatically inherit
    the database units (i.e. feet or inches) of the /source 
/drawing...regardless of the drawings units set in the /target /
    drawing.

    The only exception is if the /source /drawing is completely empty, 
such as database noname (noname.db).
    In the case, the source drawing will automatically inherit the 
database units of the /target /drawing.

    This can happen when layers from an AutoCAD drawing (.dwg) are 
translated into an ARRIS database
    without indicating you wish to change the database units from feet 
to inches along the way. Once there is data (i.e. graphics)
    in n ARRIS layer, you can no longer change the database unit 
value...unless you clear all the layers or make some crucial   
    low-level modifications which Roger describes but I would not 
necessarily recommend except as a last resort (no offense Roger).

    After an /inches-to-feet /conversion oversight has been made, the 
only way I know of to safely change the inches over to feet (without
    using Roger's nifty workaround) is to copy the layers into another 
drawing that already contains a database unit value of feet.
  
    The Paste From Clipboard function should not have the ability to 
override the existing database unit value (i.e. feet) in a non-empty drawing
    regardless of the target drawings database units. If it does, there 
is something amiss.

Robert Head wrote:
> I have copied a layer using the clipboard function and find that it 
> has changed the output display format from feet to inches.  This is an 
> ongoing problem and I know that it has to do with a database that was 
> translated. 
> I then go into Arris to try to change it back with the error message 
> of "Cannot change UNITS - database not empty" although "Arris" did 
> allow on the copy.  This has also rescaled all of my database by a 
> factor of 3.91836735 including my existing sheets. 
> Is it possible to make Arris reset the format? as it did on it's own?
> At a loss :-(
>
>  
> Robert Head
> CLM Architect LLC
> 248 231 4838
> ------------------------------------------------------------------------
>
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