https://community.esri.com/t5/geoprocessing-questions/creating-parallel-line-in-arcmap-using/m-p/1178197#M26348 <P>i need help model builder to duplicate feature parallel with specified distance&nbsp;</P><P>i have a script in arcpy but i can not run coz i did not understand the code :</P><LI-CODE lang="python">import arcpy, math infc=r'..\SCRARCH\clone.shp' def CopyParallel(plyP,sLength): part=plyP.getPart(0) lArray=arcpy.Array();rArray=arcpy.Array() for ptX in part: dL=plyP.measureOnLine(ptX) ptX0=plyP.positionAlongLine (dL-0.01).firstPoint ptX1=plyP.positionAlongLine (dL+0.01).firstPoint dX=float(ptX1.X)-float(ptX0.X) dY=float(ptX1.Y)-float(ptX0.Y) lenV=math.hypot(dX,dY) sX=-dY*sLength/lenV;sY=dX*sLength/lenV leftP=arcpy.Point(ptX.X+sX,ptX.Y+sY) lArray.add(leftP) rightP=arcpy.Point(ptX.X-sX, ptX.Y-sY) rArray.add(rightP) array = arcpy.Array([lArray, rArray]) section=arcpy.Polyline(array) return section with arcpy.da.UpdateCursor(infc,("Shape@","Width")) as cursor: for shp,w in cursor: twoLines=CopyParallel(shp,w) cursor.updateRow((twoLines,w))</LI-CODE> Sun, 29 May 2022 13:05:20 GMT MahmoudHegazy 2022-05-29T13:05:20Z https://community.esri.com/t5/geoprocessing-questions/creating-parallel-line-in-arcmap-using/m-p/1178197#M26348 <P>i need help model builder to duplicate feature parallel with specified distance&nbsp;</P><P>i have a script in arcpy but i can not run coz i did not understand the code :</P><LI-CODE lang="python">import arcpy, math infc=r'..\SCRARCH\clone.shp' def CopyParallel(plyP,sLength): part=plyP.getPart(0) lArray=arcpy.Array();rArray=arcpy.Array() for ptX in part: dL=plyP.measureOnLine(ptX) ptX0=plyP.positionAlongLine (dL-0.01).firstPoint ptX1=plyP.positionAlongLine (dL+0.01).firstPoint dX=float(ptX1.X)-float(ptX0.X) dY=float(ptX1.Y)-float(ptX0.Y) lenV=math.hypot(dX,dY) sX=-dY*sLength/lenV;sY=dX*sLength/lenV leftP=arcpy.Point(ptX.X+sX,ptX.Y+sY) lArray.add(leftP) rightP=arcpy.Point(ptX.X-sX, ptX.Y-sY) rArray.add(rightP) array = arcpy.Array([lArray, rArray]) section=arcpy.Polyline(array) return section with arcpy.da.UpdateCursor(infc,("Shape@","Width")) as cursor: for shp,w in cursor: twoLines=CopyParallel(shp,w) cursor.updateRow((twoLines,w))</LI-CODE> Sun, 29 May 2022 13:05:20 GMT https://community.esri.com/t5/geoprocessing-questions/creating-parallel-line-in-arcmap-using/m-p/1178197#M26348 MahmoudHegazy 2022-05-29T13:05:20Z