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  1. #11
    Super Member qball's Avatar
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    marmo,
    DTM worked the first time I tried, but now it says "Optimizing ... ; error: bad argument type: listp 352" . what happened?

  2. #12
    Senior Member marmo's Avatar
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    Hello,

    I have not seen such an error.
    To me it has always worked.
    I just tried DTM trying to generate an error. For example, trying to select the points with even blocks, polylines, overlapping dots ... always works.
    Questions:
    1 - with which command does not work: DTM, DTMRND, DTMFLOW or other?
    2 - you are able to isolate the problem, limiting the selection to items that are the cause?
    3 - With some commands, DTMZ for example, the lisp works if the model view is "TOP" and without perspective.
    4-The program works with a maximum of 2000 points at a time.

    If you still have problems trying to post dwg.

    Regards

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    Super Member qball's Avatar
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    there are 177 points. The error message comes up when I try to pick all at once. It seems to work if I do smaller segments at a time. So that should work for me. Strange though.

  4. #14
    Senior Member marmo's Avatar
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    Hello,

    maybe just depends on the position of the points.
    The lisp of this type are influenced by the UCS, and thus the position of objects.
    I think it's a good idea to work for segments.
    To test the lisp you could generate a cloud of random points with the command DTMRND and try DTM with that cloud.
    Regards

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    would it be possible if someone can take me through this... i have got to the point of curve to mesh and from there nothing

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    Angry

    marmo my man, i must say this is possibly the worst illustration on how to do get the map like you have it... The pics have no instructions or directions...perhaps some in depth guidance would be greatly appreciated... im sorry i just cant get this thing to work at all... i find manually "joining the dots" and then lofting time consuming but well worth it...

  7. #17
    Senior Member marmo's Avatar
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    Hi therealsaint01,

    1- "The pics have no instructions or directions..." : this is a collection of lisp that relate to terrain modeling.
    If you know how the lisp works, you will know that the instructions are contained in the text of lisp before the routine.
    Rewrite all seemed useless. For DTM lisp there is a file txt with instructions.
    2 - " i find manually "joining the dots" and then lofting time consuming ": that you have patience!
    3- "but well worth it... " : For each pattern you see in the photos I took me 3 seconds: command, choose the points, result.
    I repeat: the instructions are contained in the zip file, generally in the lisp file and written before the routine.
    Just look at that picture i have posted, if you like and if you need them at the bottom there is a file zip.
    Regards

  8. #18
    Senior Member marmo's Avatar
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    Write if you have a specific problem, I will try to help.
    Regards

  9. #19
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    realsaint: after you've loaded all the lisps into the file and have your topo points:
    step 1: type DTM, select points - should draw 3dfaces
    step 2: type AC, select 3dfaces - draws contour lines
    step 3: explode pline contour lines as marmo said "Lisp curve to mesh works only with line: need to explode pline obtained with Autocurve. ", type LV, select contour lines
    then the lisp seems to freeze all layers and creates a mesh
    step 4: type m2s, turns mesh into a solid

    marmo, note that picking the smaller segments sometimes does some really goofy stuff. It's best to pick as many points as possible, but I don't know why there is an error sometimes.
    Don't know if it was mentioned before but if you need more than this you probably need Civil 3d, but this works well for what I will need it for. (I had to figure out retaining wall heights and tie-back concrete walls, etc, for an elevator in some big shot's house.)

  10. #20
    Senior Member marmo's Avatar
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    Hi qball,
    The examples I posted are made of 500 points and I have selected only once.
    Have you tried the test of lisp with the command DTMRND, as I wrote in previous post?
    I attach a file with 2000 points. I designed the DTM with a single selection.
    Try it and let me know.
    If the point cloud is very complex (not in terms of number of points but the height differences) is not realistic to expect autocad return a task of interpreting the model.
    I think this is a problem that has to do even the software professional.
    Regards


    2000pt.dwg

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