Ceiling Height

General support questions regarding the use of DraftLogic Electrical that don't fit into any of the more specific forums.

Ceiling Height

Postby HaoS » Sat Nov 13, 2010 10:12 am

Why there is only option (inch) for the ceiling height unit?
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Re: Ceiling Height

Postby forumadmin » Tue Nov 16, 2010 10:37 am

Hi Hao,

As you know from the Units setting in the project parameter, DraftLogic Electrical supports a number of drawing units. This is the most important of all 100+ project parameters since all the automation relies heavily upon it. We needed to create this setting and 'mark' drawings with an assigned value since Autodesk has been dancing around a definitive 'what units has this drawing been drawn in' setting for many years now--there are a number of drawing units related settings, but none were giving us the definitive value we needed for all the AutoCAD versions we support (2006-2011).

Enough background on why the 'Units' project parameter exists!

You are asking why all the project parameters and symbol attributes that are units related have all been standardized on 'Inches' for input. There are actually several reasons.

First and foremost, it would be very difficult to manage the situation where the user goes in and selects 'millimeters' as his drawing units and sets all the project parameters using millimeters...but then realizes that the architect drawing is actually drawn in inches. Do we change all the settings by a factor of 25.4? Do we leave them and have the user decide how to resolve? What if the second units project parameter change was a mistake and the user immediately flips back to mm? Due to all these questions and risk related to monitoring the units project parameter and changing user selected values for related parameters automatically, we opted to standardize all such settings on inches so the rest of the project parameters can stay as-is when the user is changing their units project parameter.

Secondly, we want users to be able to leverage the value of existing information in the libraries. By standardizing on inches for the project parameters we enable users to copy existing projects as a starting point for any new projects they get in, regardless of whether the drawing units match or not. This is also better for enforcing corporate standards/policies as we can set the default values for project parameters to be one value in the project database.

Thirdly, we wanted to reduce possible confusion. By sticking with 'Inches' throughout and being able to label the fields as such, users have an easier time of understanding what they have set the project parameters to without having to constantly refer back to their units project parameter or haul out a calculator to convert between measurement systems. This is especially important when someone has four projects on the go that are using three different units settings and works on each of them for a bit each day.

Lastly, you may be wondering why we selected 'Inches' as what we used for the parameters instead of 'mm'...since we are a North American product, we went with what the majority of the users would be most familiar with.

Hopefully I have answered your question satisfactorily--please let me know if otherwise!
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