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Autocad - Bpoly not working as expected

Posted on 2015-01-10
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Last Modified: 2015-01-18
Why does bpoly not work for the individual boxes 47 to 56 on the attached Autocad 2008 file?
BpolyFail.txt
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Question by:Saqib Husain, Syed
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Expert Comment

by:dhsindy Sparrow
ID: 40543653
I don't have a current AutoCAD available to open your file.  But, I would suggest that you verify that none of the lines cross over each other which might make it an illegal boundry.
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by:dhsindy Sparrow
ID: 40543766
Kind of strange - it looks like 56 is highlighted indicating it was found.  Does the input near 52 have to identify a line like between 61 and 62?  Also, the long line at the bottom of the squares in question looks like it could be a different polyline.  I was able to find a viewer to look at it but I couldn't manipulate it.
bpoly question.
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Saqib Husain, Syed earned 0 total points
ID: 40543836
Hi, thanks for the response. I have stumbled upon these lines being at different elevations. I have been able to solve this by bringing every thing down to elevation 0.
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LVL 16

Expert Comment

by:dhsindy Sparrow
ID: 40545153
That sounds reasonable.  I do remember doing that in the past.  When, joining lines into polylines I think the ends must match closely or the program adds in small lines to join.  I know it is difficult to get the endpoints to match up.  I remember using snap to endpoint to make sure they form a closed area.

I don't know if I helped all the much.  Do you have any more questions about this?
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Expert Comment

by:dhsindy Sparrow
ID: 40547818
Sounds okay to me.  Save the points for the next question.
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Author Closing Comment

by:Saqib Husain, Syed
ID: 40556006
Since what I have done is working, I guess it is appropriate to close this as such. Thanks for your input.
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