topic Re: help with a python code in ArcGIS Pro Questions

help with a python code

matu89 — Sat, 22 Jan 2022 09:13:37 GMT

hey , i have the basic licence therere for i cant use Feature Vertices to Points tool.

i've found a code over the internet from this blog:

Emil's Arc/GIS/Python: ArcGIS polygon to lines and feature vertices to points without an ArcGIS advanced license (emilsarcpython.blogspot.com)

this is the code:

#feature vertices to points
import arcpy
def VerticesToPoints (inFc, workspace, fcName):

    outFc = UniqueFileName(workspace, fcName)
    try:
        #let esri do it (advanced license)
        arcpy.FeatureVerticesToPoints_management (inFc, outFc)
        return outFc
    except:
        pass
    #no advanced license
    sr = arcpy.Describe (inFc).spatialReference
    outPath, outName = os.path.split (outFc)
    arcpy.CreateFeatureclass_management (outPath,
                                         outName,
                                         "POINT",
                                         spatial_reference = sr)
    with arcpy.da.InsertCursor (outFc, "SHAPE@") as iCurs:
        with arcpy.da.SearchCursor (inFc, "SHAPE@") as sCurs:
            for geom, in sCurs:
                for i in range (geom.partCount):
                    part = geom.getPart (i)
                    for pnt in part:
                        if not pnt:
                            continue
                        row = (pnt,)
                        iCurs.insertRow (row)
    del iCurs
    del sCurs
    return outFc


now, i tried to put my inputs in this code but it wont run..

my inputs are:
the existing polyine is called :'zpoints.shp'
and my output directory is :'c:/gis/project'
the new point layer to be created is called: 'test.shp'

where i need to write my inputs in the code?

thanks for the help!

Re: help with a python code

Luke_Pinner — Sat, 22 Jan 2022 10:13:40 GMT

It's a function. You need to call it:

VerticesToPoints ("C:/path/to/zpoints.shp", "c:/gis/project", "test.shp")

You could also research how to create a python script tool.

Re: help with a python code

MicZatorsky_AEC — Sun, 23 Jan 2022 22:57:18 GMT

As Luke said, you need to call the function AND you need to define the function UniqueFileName() - as this code calls it.

The code below adds a small function to do what I guess UniqueFileName() was trying to do, and shows you how to call VerticesToPoints() without having to create a script tool.

#feature vertices to points import arcpy def UniqueFileName(workspace, fcName): return workspace + "\\" + fcName def VerticesToPoints(inFc, workspace, fcName): outFc = UniqueFileName(workspace, fcName) try: #let esri do it (advanced license) arcpy.FeatureVerticesToPoints_management (inFc, outFc) return outFc except: pass #no advanced license sr = arcpy.Describe (inFc).spatialReference outPath, outName = os.path.split (outFc) arcpy.CreateFeatureclass_management (outPath, outName, "POINT", spatial_reference = sr) with arcpy.da.InsertCursor (outFc, "SHAPE@") as iCurs: with arcpy.da.SearchCursor (inFc, "SHAPE@") as sCurs: for geom, in sCurs: for i in range (geom.partCount): part = geom.getPart (i) for pnt in part: if not pnt: continue row = (pnt,) iCurs.insertRow (row) del iCurs del sCurs return outFc inFc = "tmp_ln" # input line feature class workspace = r"C:\temp\Scratch.gdb" # GDB fcName = "tmp_pt" # output point FC VerticesToPoints(inFc, workspace, fcName)

Re: help with a python code

matu89 — Mon, 24 Jan 2022 09:02:53 GMT

hey,

still dont work for me:

here is the data from Arcgis Pro:

what i did wrong?

Re: help with a python code

HuubZwart — Mon, 24 Jan 2022 21:19:13 GMT

The describe function fails because the path to 'zzpoints' does not exist. Note it takes it path relative to the currently active workspace: you could set the active workspace in your script before you access the feature class:

arcpy.env.workspace = r"C:\Users\sasim\Documents\ArcGIS\Projects\MyProjects\MyProject.gdb"

Re: help with a python code

MicZatorsky_AEC — Mon, 24 Jan 2022 21:21:35 GMT

Exactly. Or provide a fully qualified path to the feature class:

inFc = r"C:\Users\sasim\Documents\ArcGIS\Projects\MyProject\MyProject.gdb\zpointss" # input line feature class

Re: help with a python code

matu89 — Tue, 25 Jan 2022 18:13:51 GMT

thank you very much! it works !!

Re: help with a python code

JoshuaBixby — Wed, 26 Jan 2022 15:15:10 GMT

@matu89, please mark some responses as accepted solution to close out this thread.