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OpenBuildings | AECOsim | Speedikon Wiki Large File Sizes in OpenBuildings Designer Projects
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        • Disable the Drawing boundary callouts from the model
        • Make color table of the object in the reference file same as the model in the Master file
        • Elements are missing in a Cached drawing view
        • Customize The Detailing Symbol Style In The Place Callout Tools Dialog
        • Differences between Dynamic and Cached representations
        • Dynamic View Creation Affected by Compress Options
        • Elements In The Drawing View's Background Are Highlighted
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        • Incorrect display of complex solids in cached drawing output
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        • Large File Sizes in OpenBuildings Designer Projects
        • Missing edges after saving cached view to separate DGN file using the To Tolerance accuracy setting
        • Missing resymbolized graphics in promoted Drawing View
        • Missing section symbology at clipped Clip Volume boundaries
        • Modification of Annotation Scale in DWG mode
        • Reference Visible Edges setting displays as "Child References Cached"
        • Referenced graphics from 3D model are missing in Drawing Model
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        • Customize the default Visible Edges mode
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        • Cannot Place Text Along Element in Cached View Visible Edges
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        • How to change stair break line Representation?
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     Questions about this article, topic, or product? Click here. 

    Large File Sizes in OpenBuildings Designer Projects

    Product(s): OpenBuildings Designer
    Version(s): CONNECT Edition & V8i
    Area: Drawing Views
    Subarea: N\A

    OpenBuildings Designer DGN files can be considerably larger than would be expected for the content, particularly when compared to visually similar MicroStation files.

    If the files concerned have been used to create Drawing Views this is generally due to the caching carried out by OpenBuildings Designer where we cache data used to create Drawing Views into the file to improve the graphics display performance of the file. The cached data should result in files opening faster as the Drawing View content can be displayed far more quickly using the cached data.

    Unless there are network bottlenecks that impose significant delays when opening larger files, increased file size should not mean reduced performance.

    As described in Compress Options in AECOSim Building Designer - Behaviour and Configuration, compressing Building Elements and Display Accelerators will clear this cached information reducing file size.

    However, this will slow the graphics performance of the file as the cached data will be recreated when the file is opened, increasing the time taken for the file to be opened and displayed ready for use.

    this related content may be relevant: Use of BB_ACCELERATE_DYNAMICS configuration variable

    • OpenBuildings Designer
    • Cached Visible Edges
    • Drawing Views
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    • Marc Thomas Created by Bentley Colleague Marc Thomas
    • When: Mon, Sep 14 2015 5:56 AM
    • Shivam Soni Last revision by Bentley Colleague Shivam Soni
    • When: Thu, Mar 31 2022 8:39 AM
    • Revisions: 5
    • Comments: 0
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