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Rooms Move When Drawing is Opened

Monday, November 1st, 2010

Problem

When you open a drawing, the room outlines move to a new location. The rooms are all in the same relative location to each other, but have all shifted or rotated by the same amount.

Cause

This typically happens when a drawing crashes without saving after the alignment point has been modified. When the alignment point is modified, the locations of the rooms in the database are updated. Crashing without saving causes the alignment point to lose the changes made to it. When the drawing is reopened, the drawings appear to be in the wrong location relative to the alignment point and are updated.

Solution

The solution to this problem is the same as the cause, namely, modify the alignment point, and then intentionally close the drawing without saving. In most cases, closing a Design Master drawing without saving is bad. This is one of those cases where it is necessary.

If the rooms all appear to have been rotated about the alignment point, you need to rotate the alignment point when you modify it. If the rooms all appear to have been shifted, you need to move the alignment point when you modify it. You need to move or rotate the alignment point in the opposite direction you want the rooms to move. If you are unsure what to do, try making the change one way and see what happens. If it turns out to be wrong, you can then make the change the other way. (Rotate clockwise, then rotate counterclockwise if that did not fix it, or move left, then move right if that did not fix it).

Make sure to save the drawing before modifying the alignment point. After you modify the alignment point, close the drawing and do not save it. When you reopen the drawing, the rooms will move.

After the rooms are in the correct location, we recommend you run a Coordinate Drawings and Database command on this drawing to fix any other areas that might have been caused by the original AutoCAD crash.

2 Responses to “Rooms Move When Drawing is Opened”

  1. Mark Simpson says:

    can you tell me how many degrees equals 1 full rotation in DM? I’ve spent a whole hour trying to decipher a pattern. 180-degrees barely rotates, 185-deg rotates almost 90-deg. etc. Even though autocad is set up in degrees it almost looks like DM is interpreting as radians? (When I go negative the pattern does not mirror).

  2. Our software rotates the room based upon how the alignment point is rotated. You use standard AutoCAD commands to rotate the alignment point, so those units are controlled by AutoCAD.

    If that is not what you are experiencing, you will probably need to send us a copy of the project using the DM HVAC->Help->Send Project to Design Master Software command.

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