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Proposed Changes to DDR Address Issues with DWG/DXF Files in AutoCAD

This proposal addresses several issues encountered with DWG and DXF files via DDR, particularly the crashes caused by the current block creation method when opening large areas in AutoCAD, as well as slow draw times and cleanup work. The proposed resolution includes using a different template to improve visibility and reduce file sizes significantly while maintaining essential attribute data. Discussions will focus on evaluating the current method's effectiveness for organizations and exploring other datasets that could benefit from DDR accessibility.

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Proposed Changes to DDR Address Issues with DWG/DXF Files in AutoCAD

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  1. Proposed DDR Changes Travis Wagner

  2. Problems with DWG/DXF files via DDR • Issues we have heard: • Current method of block creation causes AutoCAD to crash when opening large areas (Utility & Planimetrics) • Slow draw times • Clean up work on user end • Any others we haven’t heard about?

  3. Proposed Resolution • Use different template that shows points as an “X” where they are still visible by changing PDMode = 3 and PDSize = 5 • For attribute data, export method as “extended entity data”

  4. Extended Entity Data (EED) • Benefits • Smaller file size (2 quarter sections: Planimetrics 1.54 MB vs 616 KB) • Does not create points as blocks • Still get attribute data • Load .lsp file “eedcnvrt.lsp” • Gives you “eedconvert” command to create object data from eed data • Creates a new table for the converted eed data • Ability to select exactly what features to extract from the eed data and exactly what fields • Cleaner files (no fme block to purge out or explode)

  5. Thoughts • Does the current method work for your organization? • Would the proposed change benefit your organization? • Discussion

  6. Other DDR Topics • How are you currently accessing DDR? • Via cities • Via public DDR interface

  7. Other DDR Topics • How are you currently accessing DDR? • Via cities • Via public DDR interface • Are there any other datasets that would benefit you from being accessible via DDR?

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