Kml To Wkt Converter
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| #Author: Jose Antonio Ciccio C. |
| #Script intended to handle and convert wkt multipolygons into kml multipolygons |
| #File input format: |
| #Poloygon name -8-AL-PB94457 0100007 010000600303 NAME P 1.13.4 2 MULTIPOLYGON (((-86.716765469999984 34.670241110000063, ..) |
| #Expecting to have a name at field 4 and to process a multypolygon |
| #!/usr/bin/env python |
| importsys |
| importre |
| importsimplekml |
| importargparse |
| importrandom |
| importos |
| importpdb |
| importcopy |
| defcreateKMLPolygon(lines): |
| kml=simplekml.Kml() |
| foridx,linenumerate(lines): |
| splitted=re.findall(r'[^ ,]+', l) |
| spl= [float(i) foriinsplitted] |
| coords=zip(splitted[::2],splitted[1::2]) |
| pol=kml.newpolygon(name='Polygon '+str(idx) ) |
| pol.outerboundaryis=coords |
| pol.style.polystyle.color=simplekml.Color.red |
| returnkml |
| defsplitArrayByPolygons(array): |
| splittedArray= [] |
| foriteminarray: |
| splittedArray.append(splitByPolygons(item)) |
| returnsplittedArray |
| defsplitByPolygons(wkt): |
| returnre.findall(r'(?((([^)]*)', wkt) |
| defreadFile(filename): |
| array= [] |
| withopen(filename, 'r') asins: |
| forlineinins: |
| array.append(line) |
| defcreateDirectory (name): |
| ifnotos.path.exists(name): |
| os.makedirs(name) |
| defwriteFile(filename, data): |
| fo=open(filename, 'wb') |
| fo.write(data); |
| defmain(): |
| # Argument Parser |
| print'Going to split wkt into files to be processed' |
| parser=argparse.ArgumentParser(description='Converter of WKT's linestrings to KML') |
| parser.add_argument('infile', nargs='?', type=argparse.FileType('r'),default=sys.stdin) |
| args=parser.parse_args() |
| content=args.infile.read().splitlines() |
| lineNumber=1 |
| extension='.wkt' |
| kmlExtension='.kml' |
| wktDirectory='wkt_splitted/' |
| kmlDirectory='kml_splitted/' |
| kmlDirectoryGrouped='kml_grouped/' |
| content_data= {} |
| #directory creation for outputs |
| createDirectory(wktDirectory) |
| createDirectory(kmlDirectory) |
| createDirectory(kmlDirectoryGrouped) |
| #processing and generating a single file per each entry |
| foritemincontent: |
| parts=item.split(' ') |
| print'Processing line %s with name %s'% (lineNumber , parts[3]) |
| filename=parts[3].replace(' ', '_').lower() |
| forpartinparts: |
| #print '%s n' %part |
| if'MULTIPOLYGON'inpart: |
| file='%s%d%s'%(filename, lineNumber, extension) |
| kmlFile='%s%d%s'%(filename, lineNumber, kmlExtension) |
| ifnotfilenameincontent_data: |
| content_data[filename] = [] |
| content_data[filename].append(part) |
| print'Creating wkt file called: %s'% (file) |
| writeFile(wktDirectory+file, part) |
| print'Creating kml file called: %s'% (kmlFile) |
| cleanInput=splitByPolygons(part) |
| kmlUnit=createKMLPolygon(cleanInput) |
| writeFile(kmlDirectory+kmlFile, kmlUnit.kml()) |
| lineNumber=lineNumber+1 |
| #grouping files per location name |
| forkey, groupincontent_data.iteritems(): |
| group=list(set(group)) |
| print'Processing group %s'%key |
| kmlGroupFile='%s%s'%(key, kmlExtension) |
| print'Creating kml file called: %s'% (kmlGroupFile) |
| cleanInput=splitArrayByPolygons(group) |
| #we can proceed and create a kml with the consolidated school data |
| flattenList=sum(cleanInput,[]) #converts array of arrays into a single array |
| kmlUnit=createKMLPolygon(flattenList) |
| writeFile(kmlDirectoryGrouped+kmlGroupFile, kmlUnit.kml()) |
| if__name__'__main__': |
| main() |
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