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Tamsin Slatter

Vectorworks, Inc Employee
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Posts posted by Tamsin Slatter


  1. I would recommend that all referenced files are using the same user coordinate system. So, for each file in the project, after importing, draw a circle with a radius large enough to cover the entire set of geometry. If possible, this circle should be centred on exactly the same place in the project. Then, run Tools > Origin > Center Drawing on Internal Origin. This will ensure that the same point in the project is positioned over the internal origin, across the set of files. Then, run Tools > Origin > User Origin. Choose Next Mouse Click is and type in the true X and Y coordinates for that point on the site. Click OK and click on the internal origin. This will overlay the world coordinates on the internal coordinates and will ensure that everything aligns when referencing. (Of course, you can delete the circles - they are just a convenient way of ensuring the the center operation is centering the same point in the project).


  2. Yes, it's definitely available in Landmark, and is definitely in the Visualisation tool set. Could it be that you've migrated an older template forwards which won't have the new tools on it? 

     


  3. When you put annotations in the viewport (or even directly on the sheet layer), they can be classed, just as objects on the design layer can. Just right-click on the viewport and choose Annotations. Then add dimensions and notes as if you were on the design layer. These annotations will be part of the viewport but can be classed as you wish.

    • Like 1

  4. Eric, the plants are placed using whichever preferences are currently set in the Plant Tool Preferences.

    Click the Plant tool, and then click Plant Tool Preferences. Here you can choose if you want to insert plants according to their style definition or according to an override value.

    Once these preferences are set, insert the plants.

    To avoid any problems in the future, set the preferences as you wish, and then save a template. Tool preferences are saved with the file, so this will mean all projects are set to your favourite way of working before you start. This can include tag preferences too (although I would advocate the use of Data Tags now for plant tags (and any other tags) as they are so flexible and the future.


  5. 10 hours ago, unearthed said:

    IDK if this is helpful as I'm on 2012 and just importing not referencing but I've just had an issue with a site which is approx 7km across and objects in supplied dxf would not scale correctly to my existing space. I had to go to 11 figures after decimal to get a perfect fit. I've noticed a lot of this sort of thing in VW over the last ~10 years, It feels like underlying code still in inches too, as many errors come out suggesting an imperial base.

    With 2012 the georeferencing was more limited. With any geometry that spans more than a 5KM radius, you will find that any CAD system struggles with floating point maths. For this reason, we recommend that you keep the geometry close to the internal origin and set the user coordinates to match the real world coordinates of the site. With 2012 this is not a straightforward process. Later versions of Vectorworks include options in the Tools > Origin > User Origin command to set the precise coordinates of the site over the internal origin. There is also a command under the Tools > Origin menu to Center the Drawing on the Internal Origin (while preserving the real world coordinates). This would help you enormously, but with 7KM that will potentially cause problems. 


  6. Actually, I was a little hasty in that pronouncement. It seems that this IS an issue, and I will file a bug report immediately. I don't know that we can get this resolved in SP3 at this stage, but the good news is, there is workaround:

     

    Here's the workflow I would suggest:

    • Edit Vectorworks Preferences, and on the first tab, uncheck Offset Duplicates.
    • Create the copies using CMD+D/CTRL+D (shortcut for Edit > Duplicate)
    • The duplicates remain selected. 
    • Change their design layer on the Object Info palette.

    I hope that helps.


  7. Here's my high level overview.

    1. Open blank document.
    2. Edit document georeferencing settings and choose the appropriate geographic coordinate system. If you are in the UK, the standard UK templates are automatically set to 27700 which is the geographic coordinate system equivalent to the OS British National Grid. On this dialogue, the coordinates at the top relate to the position of the file's INTERNAL origin, within that coordinate system. In a UK file, we set this to the Greenwich Meridian as a default. This can be changed.
    3. Import the DWG file, but use the checkbox This file contains georeferenced geometry. Click the Advanced button and take a look at the GIS tab - this will confirm that the DWG will be brought into the georeferencing settings set at the document level. Click OK and again to complete the import. 
    4. The geometry will land in the correct place within the GIS system (as long as it was actually created in the correct place in the first place.)
    5. Use the Geoimage tool and draw a rectangle around the site. This will load the imagery associated with the site.
    6. Use the Geolocate tool and click on a location on the site to move the internal origin close to the geometry.
    7. From this point on, X and Y are no longer relevant, and you should use Easting and Northing instead. The GIS Stake tool can be used to report these.
    8. If you want the numbers on the User Coordinate system to match, use Tools > Origin > User Origin. Choose the option to Set the user origin to match the origin of the geographic coordinate system.

    Why might it not work?

    • Your DWG is not created in the same coordinate system as the GIS coordinate system.
    • Like 2

  8. Yes, the GIS system uses a Geographic Coordinate System which is different to the X and Y values. You should use Easting and Northing instead. But you can also use Tools > Origin > User Origin and then use the new checkbox to align the User Coordinate System with the Geographic Coordinate System. And make sure you are using SP2 or you won't have the checkbox.

     

    Essentially, X and Y is a rectilinear system, which requires considerable distortion to represent a curved surface on a flat plane.  Once you introduce GIS, the X and Y is no longer relevant. Northing and Easting is used instead. However, the new checkbox described above aligns the X and Y numbers with this coordinate system.

    • Like 3

 

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