Latest Contributions by DanPatterson_Retired

Start here   http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//000v00000001000000.htm  and keep reading. other tips from within Pythonwin or other command line IDE >>> import arcpy >>> dir(arcpy) ['ASCII3DToFeatureClass_3d', 'ASCIIToRaster_conversion', 'AddCADFields_conversion', 'AddCodedValueToDomain_management', 'AddColormap_management', 'AddError', 'AddFeatureClassToTerrain_3d', 'AddFeatureClassToTopology_management', 'AddFieldDelimiters', 'AddFieldToAnalysisLayer_na', 'AddField_management', 'AddGlobalIDs_management', 'AddIDMessage', 'AddIndex_management', 'AddItem_arc', 'AddJoin_management', 'AddLocations_na', 'AddMessage', 'AddRastersToMosaicDataset_management', 'AddRepresentation_cartography', 'AddReturnMessage', 'AddRuleToTopology_management', 'AddSpatialIndex_management',.....etc etc Or for a particular class... >>> dir(arcpy.Point) ['ID', 'M', 'X', 'Y', 'Z', '__class__', '__delattr__', '__dict__', '__doc__', '__eq__', '__format__', '__getattribute__', '__hash__', '__init__', '__module__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', '__weakref__', '_arc_object', '_go', 'clone', 'contains', 'crosses', 'disjoint', 'equals', 'overlaps', 'touches', 'within'] >>> Or for help... >>> help(arcpy.Point) Help on class Point in module arcpy.arcobjects.arcobjects: class Point(arcpy.arcobjects.mixins.PointMixin, arcpy.arcobjects._base._BaseArcObject) |  The point object is used frequently with cursors. Point features return a |  single point object instead of an array of point objects. All other feature |  typesâ�?��?�polygon, polyline, and multipointâ�?��?�return an array of point |  objects or an array containing multiple arrays of point objects if the |  feature has multiple parts. |  |  Method resolution order: etc etc etc Have fun ... View more

as of version 10, properties are case sensitive, hence your line point.x should be point.X and point.Y    and   point.ID ... View more

your destination folder contains a space and a $ neither of which behave well with most SA functions, change source and/or destination folders to be compliant (ie c:\test ) ... View more

try http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//009z0000007q000000.htm ... View more

assuming that the files have the same coordinate system, I suspect that they are two big.  Did you try it on a subset? ... View more

edit your original post and throw the script within code blocks (the # symbol in the html editor) ... View more

this has been reported before but I don't think it has been reported, so you would be advised to do so.  see this thread http://forums.arcgis.com/threads/17237-problem-running-region-group-tool ... View more

Also, you cannot use single backslashes in folder paths, either preface them with raw notation or use double backslashes or single forward slashes ie "c:\temp" is wrong correct versions are r"c:\temp" "c:\\temp" "c"/temp" ... View more

a labelled screen grab demonstrating the above would help dissect what is going on ... View more

check to see how you are creating the object from the example in the 9.3.1 help files http://webhelp.esri.com/arcgisdesktop/9.3/index.cfm?id=966&pid=951&topicname=Using_geometry_objects_with_geoprocessing_tools ... View more

Also see this blog for information on converting models to scripts. ... View more

Doug I am assuming that the output is also a polyline since it is the lower geometry.  The intersect should produce a single segment for each traversal through a polygon so the section that traverses a particular polygon can be identified.  Are you saying that this is not the case? ... View more

To ensure that you know what units your are working in, project all data sets to a common projection...close arcmap...then add the projected data back in, in that situation the dataframe coordinate system and its units and the coordinate system and the units of all the participating layers will be the same.  Projection-on-the-fly is only useful for data exploration and should be avoided at all costs when one goes to the analysis phase. ... View more

You might also want to check out the arcpy mapping module http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#/Geoprocessing_scripts_for_map_document_management_and_output/00s300000032000000/ ... View more

tried PyScripter today....pretty awesome environment and "so far" it seems to behave well with ArcMap etc... I am just wondering if the the "dev people" have been using it for a while have any further comment.  BLOG ???  It would be nice to have a real Python IDE installed in the next version. the Python window (I am being gentle) that they use now is totally useless and i get my students to do all of there work outside of ArcMap or develop tools for Arctoolbox.  It would really be nice to integrate a good Python IDE inside of Arcmap, but I think that a silent install of Pythonwin wasn't possible at the last go. ... View more