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Hi!! Check this post (http://forums.arcgis.com/threads/2368-trying-to-set-some-parameters-as-optional-in-modelbuilder) Apparently, in ArcGis 9.3, if the input is connected to a tool it cannot be declared as optional. Just disconnect it, set it as optional and then connect it again
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08-22-2012
08:18 AM
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Hello all, Sorry if that???s really basic, but I???m having problems with the Coordinate System of a Model already created. I have already finished it and now I don???t know how to correct the error. I have 6 model parameters, four of them are in ETRS89 and the other two (which I convert during the process) are in ED50. The final result is in ETRS89. I was experimenting problems in the transformation of these two point features. In the coordinate system conversion some information is lost??? After running the model many times, I???ve realized that when executing the model in an mxd in ED50 it works, but when doing it in an ETRS89 mxd some of the information disappeared. How can I fix it now?? How should I set the cartographic coordinate system in the model properties environments? I know this issue, but the model is run by more people. Any help would be really helpful. Thank you in advance! Vero.
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08-22-2012
03:14 AM
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wow!!! that works perfectly!!!!! Thank you veeery much!
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08-08-2012
08:14 AM
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Hi all, I'm just starting with Python and I'm a bit stuck... so sorry if the question is very basic, but I cannot find it anywhere. I'm working with ArcGis 9.3 I am developing a model builder, in one step I have to calculate a field (field3) based on two other different fields, lets say [FIELD_1= a, b, c, d???] and [FIELD_2= 1, 2, 3..]. From here no problem, the point is that FIELD_3 takes different values depending on Field_1 value. For one unique value in FIELD_1 I have the following code working properly [ATTACH=CONFIG]16760[/ATTACH] def Reclass(FIELD_2): if (FIELD_2 < 92): return 0 elif (FIELD_2 >= 92 and FIELD_2 < 93.5): return 1 elif (FIELD_2 >= 93.5): return 2 The problem is that I don???t know how to add that if ???FIELD_1== 1 or 2 or 4??? do the calculation above, but if FIELD_1 == 3, 5, 7 do a different one. Any help would be really helpful Thank you very much in advance!! Veronica.
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08-08-2012
02:14 AM
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