Latest Contributions by babakkasraei

Thanks Lauren,  Your message was really helpful.  Best  Babak ... View more

Great help, Thank you  I changed the parameter value to string and it worked.  Best  ... View more

Hi Babak, In the query, try stripping the double quotes: lyr.definitionQuery =  '{0} in ({1})' .format(newName.strip('"'), queryList) Thank you Kerry It works. ... View more

not sure if i completely understand, but your script looks like you´re working with layers inside arcmap in the current mxd. If you want to copy selected features of a layer to a new feature class, CopyFeatures will respect the selection: http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//001700000035000000 Dear Rafael My problem looks simple. I need to get rid of quotes in my SQL expression. I will post a new thread for it. I appreciate if you please give me yor idea. Thak you for your help. Babak ... View more

as the others before said, you can use the same code you used for a shapefile:   # describe the feature layer to access the the selected set       desc = arcpy.Describe(lyr)     # FIDSet will contain the selected features       selectedFids = desc.FIDSet But you will only get a list of values if you have selected some features before running the code. Dear Rafael You and other friends are right FIDSet still works in my script. My problem is in another part of the script. I first write the whole codes to illustrate what I am doing and then I show you the problem . These are the codes: import sys,os,math,string,arcpy from arcpy import env # Read from current map mxd = arcpy.mapping.MapDocument("CURRENT") df = arcpy.mapping.ListDataFrames(mxd, "Data Themes")[0] layer = arcpy.mapping.ListLayers(mxd, "*", df ) #layer_list = [layer for layer in arcpy.mapping.ListLayers(mxd) if 'FID' in [field.name for field in arcpy.ListFields(layer, 'FID')]] for lyr in layer:    if lyr.isGroupLayer == False:     # describe the feature layer to access the the selected set       desc = arcpy.Describe(lyr)    # FIDSet will contain the selected features       selectedFids = desc.FIDSet     # If there are selectedFids (a selection set), write them to a new feature     # class in the current workspace.       if len(selectedFids) > 0:                      queryList = selectedFids.replace(';', ',')           newName = arcpy.AddFieldDelimiters(lyr, 'OBJECTID')           lyr.definitionQuery =  '{0} in ({1})' .format(newName, queryList)           arcpy.RefreshActiveView() This script must exclude unselected features in the feature class. My problem is in the last three lines here         queryList = selectedFids.replace(';', ',')         newName = arcpy.AddFieldDelimiters(lyr, "OBJECTID") # This query will exclude unselected fatures             lyr.definitionQuery =  '{0} in ({1})' .format(newName, queryList) For query it must be something like [OBJECTID] in ...... But if I don't put quotes in newName line it will be wrong. How should I write it? Thank you for your help. Babak ... View more

You can use describe to figure out what the 'oidFieldName' is (whether it be FID, OID, OBJECTID, or something else). oidFieldName = arcpy.Describe(myLayer).oidFieldName Worth mentioning - If you have v10.1, the data access cursors allow a MUCH faster and better way of getting a list of the selected OID values than the .fidSet describe property: oidValueList = [r[0] for r in arcpy.da.SearchCursor(myLayer, ["OID@"])] Hi Chris Thank you for your and other friends' help. 1- I have to write the codes for V 10.0. 2- When I use the following codes:   # describe the feature layer to access the the selected set       desc = arcpy.Describe(lyr)     # FIDSet will contain the selected features       selectedFids = desc.FIDSet It returns a list of selected FIDs then I can manipulate them. When there is no FID field and I use the following codes as you suggested. desc = arcpy.Describe(lyr)    if desc.hasOID:      selectedOID = desc.OIDFieldName It returns only the name of OID for example OBJECTID nothing more. I want it to work like FIDSet. What is the problem. I appreciate your help. Babak ... View more

For future reference, "doesn't work" is not useful and makes it difficult for people to answer your question. What was the problem exactly - i.e. did you get an error message, did your script crash, what line did it crash on, did python crash with some sort of windows error, did your computer reboot, did smoke come out of your computer vents, etc...? 😉 Luckily, I think I can see your problem. MX is a number, you can't add a number to a string, you'll get a TypeError. You can use the following instead: "CHARTSCALE = '" + str(MX) + "'" #or "CHARTSCALE = '%s'"%MX Hi Luck You are absolutely right. I had to describe what exactly happened. Thanks for the codes. I will try them and thank you for your reminder. Cheers Babak ... View more

One thing you could do is to have a template .lyr file that has the symbology set up exactly as you want. Then, use Apply Symbology from Layer. Thank you for your help and reply Best regards Babak ... View more