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Z coordinates

9 REPLIES 9
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Message 1 of 10
Goxy
453 Views, 9 Replies

Z coordinates

Is there any way to multiply the value of Z coordinate for many points selected, in the same time? For example, I selected many points, and need to double their Z value, but on an easier way, not one by one? Thanks

9 REPLIES 9
Message 2 of 10
antoniovinci
in reply to: Goxy

One way is to export those points to a shapefile, then perform the calculation in the .DBF (in Excel or similar), and _MAPIMPORT the edited shapefile back to Autocad.

Message 3 of 10
Goxy
in reply to: Goxy

Thanks a lot. I'll try, and hope it will work, cause I'm beginner in Map 3D. Thanks again.

Message 4 of 10
antoniovinci
in reply to: Goxy

Please pay attention to this point: if you manually edit a .DBF file belonging to a shape-set, you can add or erase columns in the spreadsheet, but it's NOT allowed to add or erase rows.

Message 5 of 10
parkr4st
in reply to: antoniovinci

If you only need the calculation, export the pint with the z value as a property, put  the sdf into a map and open the data table, calculate z*2.

 

Do you need to move the points or create a new set of points at the new z value?

 

 

Message 6 of 10
Goxy
in reply to: antoniovinci

Thank you

Message 7 of 10
Goxy
in reply to: parkr4st

Actually, I attended to move plenty of points along the Z axe. To duplicate Z value for all the points in the same time, but as I'm a beginner, didn't know how. I tought, it must be that it is easy. Maybe it actually is, but when you are not familiar with Map 3D, it seems dificult. Now I have some inputs and ideas, so I'll try. Of course, it needs much more time for me. Thanks a lot

Message 8 of 10
thepworth
in reply to: antoniovinci

I believe that a recent problem with the suggestion of editing a .dbf is that MS Excel 2010 no longer allows you to save back in the DBase IV format.  However, a work-around I found was a gentleman in Australia selling a "add-on" re-enabling this feature for $30 US.

 

Just want folks to be aware before investing too much labor. 🙂

Message 9 of 10
NateMoore
in reply to: thepworth

OpenOffice will allow a save back to .dbf also.(and it's free and will handle the native .xls files as well)



Nate Moore, GISP
Geospatial Premium Support Specialist
Global Services
Autodesk, Sarl
Message 10 of 10
thepworth
in reply to: NateMoore

True, thanks for bringing it up - I use it on my personal machine & forgot to mention.... 🙂

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