[arriscad] Sheets rescaling

[Jim Bennett]

Robert,

Databases deal with scale using 3 different variables - Units (i.e. 
Feet, inches, millimeters), Increments, and Scale. In order for data 
within the project (or the entire office) to relate properly scale-wise, 
two of the three variables must be consistent. For this reason it is 
highly recommended that you set office standards for increments and 
units, and not vary these between databases. If only the scale varies, 
then the databases will relate to one another properly. For the US, we 
recommend increments of 3072 and units of feet (#udbunt setting of 5). 
Once a database is created and there is data present, these two 
variables should not be changed.

Dean is basically correct in his post. It looks like the database from 
which the viewport came has a unit setting of inches while the rest of 
the databases are in feet. I will bet that the database that you cut the 
offending viewport from started as a translation. AutoCAD uses a base 
unit of inches. The DWG/DXF Translator can handle this conversion 
easily, however you have to set it to do so.

In his post Eric advocates never loading viewports from another 
database. I disagree as this ability is one of the great strengths of 
ARRIS. Different databases can have different scales. If I use 
viewports, I create a separate database (full scale) just for the 
sheets. All viewports come from a different database in the project. As 
long as the basic rule of thumb of having consistent increments and 
units is followed, this will never be a problem.

Jim

On 8/2/2011 6:12 AM, Robert Head wrote:
> One additional item that I noticed is the scaling that is listed under 
> the v. port name changed from 1/2" = 1'-0" to 1" =24"  Not sure if 
> this has anything to do with it but more information.
> Robert Head
> CLM Architect LLC
> 248 231 4838
>
>     ------------------------------------------------------------------------
>     *From:* Robert Head <rhead78 at att.net>
>     *To:* "arriscad at lists.arriscad.com" <arriscad at lists.arriscad.com>
>     *Sent:* Tuesday, August 2, 2011 7:04 AM
>     *Subject:* [arriscad] Sheets rescaling
>
>     I have a issue with the rescaling (arbitrarily) of all the sheets
>     in a db.  The sheet size on the template is 24 x 36 and scaling
>     the sheet the sheet is 6 1/8" x 9 3/16" .  Not all the sheets in
>     the data base are rescaled only the ones which have view ports
>     placed on them from one particular database.  Any suggestions why
>     this happened.  I printed out the sheets 2 days ago with proper
>     scaling.  Should I remake the sheets and replace the v.ports or is
>     there another way to fix?
>     Robert Head
>     CLM Architect LLC
>     248 231 4838
>
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-- 
Jim Bennett, AIA
Product Director
Sigma Design
www.arriscad.com