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This 33 minute lesson shows a variety of applications of Virtual Trace for coordinating elements in model views, layouts and 2D drawings. In addition, important tips are shared about several potential issues, and some advanced options are considered.
Virtual Trace is a versatile resource that has so many ways that it can be used. 3D model elements may be aligned and coordinated between plan views from distinct stories or with different layers or other settings. In addition, plans may be reviewed in conjunction with elevations and sections, which may also be viewed in relationship to each other.
Using a Layout as reference, drawings can be adjusted to fit better or work around other drawings. Drawings from one Layout can be placed in alignment with related drawings on other Layouts to facilitate comparison on a light table.
ArchiCAD provides a built-in system of referencing 2D drawings such as Details or Worksheets (for wall sections or enlarged plans) to their Source View (often a Section or a Plan View). This allows the user to see the project or model context while working on the drawing, and coordinate with any changes to the source view.
2D drawings may be imported into Worksheets and used as a reference for tracing and building the model. Examples of this include building a site model based on a survey DWG, creating the actual building model by tracing a set of drawings imported from an as-built or design set created in another CAD program. In addition, consultant drawings may be placed into a Worksheet then compared and analyzed in relation to the current model for coordination purposes.
POTENTIAL ISSUES WITH VIRTUAL TRACE
There are a few instances in which Virtual Trace can cause performance issues. In large projects, referencing a View with different Dimension Preferences and/or Model View Options will cause ArchiCAD to do extra work (since it has to prepare the View using rather different options) and in certain cases may cause subtle or dramatic slow-downs in 2D redraw. If this occurs, use Views with similar settings, or use the Story Below, Story Above or Previous Story options in the Reference menu (which will always show these stories with the currently active settings), or simply turn off Virtual Trace when it is not necessary to have it visible.
The option to for transparent Fills, which is found in the lower right of the Trace and Reference palette, may cause confusion at times. With this option activated, if you draw a new Fill you will find that may not appear the way you expect; likewise, existing fills will also be displayed differently.
A few other minor issues are described in this lesson, including difficulty in selection and displacement of special snap points when elements in the reference overlap ones in the active window.
USE OF VIRTUAL TRACE WITH INTERACTIVE LEGENDS
The lesson finishes with an examination of the use of Virtual Trace with Interactive Legends as used in MasterTemplate. Since it is possible to eye-drop elements from the reference, this may be used to obtain quick access to favorite settings. In the simple case, this may be a Worksheet or other dedicated viewpoint with frequently used elements arranged in a convenient manner.
To facilitate Interactive Legends that contain 3D elements such as walls, windows, doors, roofs, slabs etc., a blank Worksheet is set up with a Trace Reference to a special Plan view of these 3D elements. Visibility of these 3D elements is managed by setting them up as part of a Hotlinked Module (HLM), and turning on and off the Master Layer of the HLM with standard Layer Combinations.
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|Thank you for visiting the Best Practices Course website. The video lessons are available for members only. If you are an active member and would like to watch the ArchiCAD training video on this page, please login to the website. If you are not currently a member, please visit the following pages for more information and to sign up for the Best Practices Course, the QuickStart Course or for the Best Practices ArchiCAD Coaching Program. Eric Bobrow, Creator of the Best Practices Course|
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