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Forums >> Revit Building >> Technical Support >> Topography: importing CVS only created single line
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Joined: Fri, Oct 3, 2008
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i have a dxf with 3d points 85,918 in total - i cant make a toposurface using revit! i have extracted the point data from the dxf file into a cvs file that revit recognises, however revit reproduces it as a single line only with no topography - see attached. why is this? the cvs has all the relevant data. thanks
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Joined: Tue, May 22, 2007
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Hi, forgot to attached the screenshots...
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I Hope and I Wish to LEARN more, and more, and more.... REVIT |
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Hi, revit will not show me anything now, so there will be nothing to see ! but i have now attached the 3d data as a text file - it appears just like this in the CVS file
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apologies . was over file size limit, here it an example of the 3D data
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Joined: Tue, May 22, 2007
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Hi, did you check this in Help menu? did you see the file?
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I Hope and I Wish to LEARN more, and more, and more.... REVIT |
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Joined: Tue, May 16, 2006
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Typhoon's post seems to make the problem perfectly clear and also points out why the original poster should learn to use his help file. Many problems can be averted.
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Hi. The help file was obviously the first thing i looked at and it seems i am following it accordingly. The 3D data text file i uploaded is an example of the data i extracted (using AutoCAD Data Extraction) and seems to contain the required info that is referred to in the help file (X,Y,Z). The import>points file recognises and uses both the CVS and txt files i created but it doesnt display the land. First it offers me 2 warnings (see attached) then when i click on 3D it only shows a single line (see attached) with the elevation being the same for each of the points. I have also attached an example of what the CVS file looks like - just like the txt. The only thing i am doing different i can see is not having the x,y,z coords as "the first numerical values in the file" as per the help file. Thanks in advance
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Joined: Tue, May 22, 2007
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Hi again, look at your image file points and the Help image, "they" said: "ANY ADDITIONAL NUMERIC INFORMATION FOR A POINT MUST OCCUR AFTER THE X,Y AND Z COORDINATE VALUES" in your file in column "A" I see numbers (1). "They" said: "THE FILE MUST ALSO BE IN A COMMA-DELIMITED FILE FORMAT..." You have points ".", i don't know if this is the problem with your file but i think so, "Some rows from the file could not be used" - this warning i think it's the "First and Last" ROWS, delete them, also delete Column "A-B", you don't need them, also, check the 4 image you post with the "Line", did you see in the "Options Bar" the Value of "Elevation"? what Units are you working? By your 3 image your Z=METERS, that elevation in the line is: 221960000.0m???
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I Hope and I Wish to LEARN more, and more, and more.... REVIT |
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Hi. I managed to sort it out earlier today but many thanks to you Typhoon. One problem was the CAD file itself and the other was the data extraction method.........FIRSTLY I obtained the 3D point file from PROMAP (online company) and it was provided with the X&Y values extremely high compared to the Z (re: the first warning), so i moved the bottom left corner to 0,0 (to make the X,Y,Z look more like 5,5,20 compared to the original 38200,29500,20)......and SECONDLY you were right Typhoon, while extracting the data i had to make sure i was only extracting the XYZ data (using AutoCAD data extraction check boxes) and not the name and count columns. Cheers
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Joined: Tue, May 22, 2007
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You Welcome, next time you KNOW what to do and you don't need to come here and ask anymore....
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I Hope and I Wish to LEARN more, and more, and more.... REVIT |
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charming
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