Wednesday, March 10, 2010

Extracting Line work from Shape Files Drawings

Good morning everyone . So today I learned how to extract line work from a drawing created by shape files. To do this test I downloaded the Town of Flowermound parcel and street shp files.

OPTION 1.

  • First switch your workspace to tool based geospatial
  • click on your mapconnect icon on the left.
  • select “Add SHP Connection” then select the folder icon on the right
  • browse to your parcel folder then hit ok
  • Name your Connection name as Parcel then click on the connect button
  • Mark sure the parcel coordinate system is check and click Add to Map
  • Repeat the same steps for the street shape files
  • Now can either go to your file pull down menu and select export then Current Map as DWG
  • Or you can go to your Output tab and select the same export option
  • Once you select the save button it may take you from 3-10 minutes depending on your computer capabilities. It may seem locked up but just be patient.
  • Once saved, open the drawing and select one of the parcels and streets. The street line work are polylines but the parcels areas are just hatched areas.
  • now select all the parcels areas you want to create a boundary. (you can not use the window selection option ,you will have to click on each parcel hatch. the selection is cumulative though.)
  • now right click and select generate boundary. The boundary created will be a AEC polygon. If you explode the boundary the parcel will become a referenced block. If you explode it again it will become just lines
  • And that’s basically it. Now you email the drawing to any client or engineer
  • One thing I did notice was my original file was 677 kb with the shp files but my new drawing was about 10 mb. Just something to think about.

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OPTION 2

  • First select your Feature Edit tab
  • select the street and parcels that you want to extract then select the “extract feature from geometry icon”
  • your parcels and line work will change colors (maybe white)
  • now just simply explode those hatched parcel areas and a polyline will be created for you.
  • you can now disconnect the shape files and save the drawing or copy and paste the new line work into a new drawing.
  • That is it :)

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