Dear Rocio: Your message was a surprise to me, because that problem I had many years ago, using ILWIS 1.2 and thought it was already solved in ILWIS. My believe was that ILWIS automatically reads the elevation from the DXF as an attribute and then you could use directly that attribute to interpolate the DEM. As that is not possible (if I am wrong, somebody please clarify...) then I can give you two ways to do what you want: 1) Ask a programmer to write a simple task over the DXF (can be done in Auto Lisp, in Visual Basic or virtually in any language) the main task is to convert all the elevation values into Layer names, in order to make ILWIS recognize the layer names as elevation values. I know this looks odd, but that is exactly what you need to do. In the past I use to have that program, but I have lost it because am not doing that kind of conversion anymore. 2) As an alternative, much more tedious an time consuming (depending on how much you will have to do it), is to create a layer in AutoCAD for each of the values you have as contour elevation, check the elevation attributes of each contour line in your map, and manually changing the layer of all the entities to the corresponding layer (with the elevation as a name). The problem is that you will have to do that manually, and one by one. Good luck! Reinaldo ROCIO CASTILLO wrote: > Some Help please!!! > > I have a problem with a DXF file, I wonder to know how > to change the elevation value and put it as layer name > in order to be able to construct a MDT in ILWIIS. > > Thanks in advance. > > Roc�o Castillo > > ===== > Departamento de Geograf�a y Ordenaci�n Territorial > CUCSH, Universidad de Guadalajara > Av. de los Maestros y M. B�rcena 1er. piso > Sector Hidalgo > Tel 3819-3381, 3819-3386 > Fax 3819-3387 > email [EMAIL PROTECTED] > > __________________________________________________ > Do You Yahoo!? > Yahoo! Auctions - buy the things you want at great prices > http://auctions.yahoo.com/
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