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# gabmap tools
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Gabmap is a tool to crate linguistics maps, found here [https://www.gabmap.nl/](https://www.gabmap.nl/).
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This package provides tools to prepare gabmap data needed by the above website.
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(Currently) Only supports conversion from geojson to gabmap-supported kml. Tested on Python3.6, probably also works in 2.7 and 3.x
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## Installation
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pip install gabmap
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## Example
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from gabmap import as_gabmap_kml
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example_geojson = {
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'features': [
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{
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'type': 'Feature',
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'properties': {'ignored_property': 9000, 'name': 'Just a point'},
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'geometry': {
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'type': 'Point',
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'coordinates': [5.97218371298345, 53.321051722346],
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}
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}, {
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'type': 'Feature',
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'properties': {'ignored_property': 9000, 'name': 'Dongeradeel, Dokkum'},
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'geometry': {
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'type': 'Polygon',
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'coordinates': [[
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[5.972183712989529, 53.321051729937366],
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[5.972649444783667, 53.323459310428774],
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[5.974617105244615, 53.323094551891245],
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[5.971118458390794, 53.33136874824667],
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[5.97290140328097, 53.33401217805459],
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[5.988828240487099, 53.33466079566186],
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[5.989652143461869, 53.336091863094985],
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[5.995516626556427, 53.3347625832367],
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[6.013581255175037, 53.33771098627605],
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[6.014977791112734, 53.33648059762006],
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[6.017554860173514, 53.337095328467285],
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[6.019363005880393, 53.3350016111794],
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[6.024782600074181, 53.33467072960145],
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[6.024756446131901, 53.33273031950157],
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[6.026498893390842, 53.332221897746145],
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[6.023034030721839, 53.32918544731246],
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[6.022876144124088, 53.32602381606865],
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[6.024719847213362, 53.32464644597469],
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[6.022437903780341, 53.32403096499117],
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[6.022954478786472, 53.32210829964382],
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[6.02124132025574, 53.320333445464456],
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[6.020151965590102, 53.30822359787938],
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[5.998101020604852, 53.310500200623295],
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[5.975852806584123, 53.30692731635925],
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[5.970668783608778, 53.31367328171959],
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[5.97429990442482, 53.31599867168855],
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[5.972183712989529, 53.321051729937366]
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]]
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}
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}, {
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'type': 'Feature',
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'properties': {'yet_another_ignored_property': 12, 'name': 'Dongeradeel, Metslawier'},
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'geometry': {
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'type': 'Polygon',
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'coordinates': [[
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[6.046967750144655, 53.371937895154524],
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[6.0549222966439515, 53.371918076451],
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[6.059352072721314, 53.36890643371235],
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[6.062417104803104, 53.37132443327753],
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[6.067905957583034, 53.371022203976416],
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[6.0687084280154, 53.374887587170115],
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[6.073009736850938, 53.3788555365375],
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[6.078403346142309, 53.374857801982635],
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[6.072748066948085, 53.37023019614317],
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[6.075265557823207, 53.36579886593933],
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[6.086521267398217, 53.363239356148796],
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[6.082574229596272, 53.35279822069439],
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[6.094621430086393, 53.353315989005495],
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[6.080085673717988, 53.34335756890432],
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[6.08081474997191, 53.34237156076051],
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[6.066679950835733, 53.33685889893402],
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[6.065234168475946, 53.33835014728265],
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[6.062546118146774, 53.3376267442749],
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[6.063205060821552, 53.33530061406535],
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[6.066655308724881, 53.33344964672852],
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[6.065649785255536, 53.331609521110835],
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[6.067338586918196, 53.330997322012905],
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[6.065897005115673, 53.33004223482746],
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[6.067404400613272, 53.327763855588465],
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[6.066227593986628, 53.32751948129203],
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[6.071219889834814, 53.32470721385325],
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[6.066774308653418, 53.32363525036028],
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[6.052876005968958, 53.32492390130383],
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[6.035816537863838, 53.324268920519664],
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[6.03296256575084, 53.325630418778424],
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[6.024599190974769, 53.32459415257276],
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[6.022839175519536, 53.32764410733526],
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[6.023531219120203, 53.330156874845095],
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[6.026498893390842, 53.332221897746145],
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[6.024756446131901, 53.33273031950157],
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[6.024782600074181, 53.33467072960145],
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[6.019363005880393, 53.3350016111794],
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[6.017554860173514, 53.337095328467285],
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[6.014977791112734, 53.33648059762006],
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[6.014092972385168, 53.33765968957119],
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[5.995516626556427, 53.3347625832367],
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[5.993100803235959, 53.3362054938723],
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[5.989652143461869, 53.336091863094985],
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[5.988828240487099, 53.33466079566186],
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[5.982843753781665, 53.33523634257272],
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[5.9827015425321495, 53.338134792094905],
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[5.987148944429796, 53.338733894585175],
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[5.991707200958003, 53.34276042605685],
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[5.98904704189495, 53.34456541977238],
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[5.9898349659695755, 53.34834022603107],
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[6.0062691176055925, 53.3511085885891],
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[6.011797802445011, 53.34664176084195],
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[6.018332928979364, 53.347611115387366],
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[6.023471458821317, 53.352392212983766],
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[6.021372827495325, 53.35663887555595],
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[6.020588676561126, 53.365296580714286],
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[6.029768573248898, 53.368983093660454],
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[6.0392376282345115, 53.369450978110535],
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[6.045416701652879, 53.37286274340197],
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[6.046967750144655, 53.371937895154524]
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]]
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},
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}
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]
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}
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print(as_gabmap_kml(example_geojson, document_name='Happy KML', name_property='name'))
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## Result
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<?xml version="1.0" encoding="utf-8" ?>
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<kml xmlns="http://www.opengis.net/kml/2.2">
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<Document>
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<name>Happy KML</name>
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<visibility>1</visibility>
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<Placemark>
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<name>Just a point</name>
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<visibility>1</visibility>
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<Point>
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<coordinates>5.972184,53.321052</coordinates>
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</Point>
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</Placemark>
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<Placemark>
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<name>Dongeradeel, Dokkum</name>
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<visibility>1</visibility>
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<Point>
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<coordinates>5.997798,53.322503</coordinates>
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</Point>
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</Placemark>
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<Placemark>
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<name>Dongeradeel, Dokkum</name>
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<visibility>1</visibility>
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<Polygon>
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<outerBoundaryIs>
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<LinearRing>
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<coordinates>5.972184,53.321052 5.972649,53.323459 5.974617,53.323095 5.971118,53.331369 5.972901,53.334012 5.988828,53.334661 5.989652,53.336092 5.995517,53.334763 6.013581,53.337711 6.014978,53.336481 6.017555,53.337095 6.019363,53.335002 6.024783,53.334671 6.024756,53.332730 6.026499,53.332222 6.023034,53.329185 6.022876,53.326024 6.024720,53.324646 6.022438,53.324031 6.022954,53.322108 6.021241,53.320333 6.020152,53.308224 5.998101,53.310500 5.975853,53.306927 5.970669,53.313673 5.974300,53.315999 5.972184,53.321052</coordinates>
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</LinearRing>
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</outerBoundaryIs>
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</Polygon>
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</Placemark>
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<Placemark>
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<name>Dongeradeel, Metslawier</name>
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<visibility>1</visibility>
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<Point>
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<coordinates>6.044516,53.348356</coordinates>
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</Point>
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</Placemark>
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<Placemark>
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<name>Dongeradeel, Metslawier</name>
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<visibility>1</visibility>
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<Polygon>
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<outerBoundaryIs>
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<LinearRing>
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<coordinates>6.046968,53.371938 6.054922,53.371918 6.059352,53.368906 6.062417,53.371324 6.067906,53.371022 6.068708,53.374888 6.073010,53.378856 6.078403,53.374858 6.072748,53.370230 6.075266,53.365799 6.086521,53.363239 6.082574,53.352798 6.094621,53.353316 6.080086,53.343358 6.080815,53.342372 6.066680,53.336859 6.065234,53.338350 6.062546,53.337627 6.063205,53.335301 6.066655,53.333450 6.065650,53.331610 6.067339,53.330997 6.065897,53.330042 6.067404,53.327764 6.066228,53.327519 6.071220,53.324707 6.066774,53.323635 6.052876,53.324924 6.035817,53.324269 6.032963,53.325630 6.024599,53.324594 6.022839,53.327644 6.023531,53.330157 6.026499,53.332222 6.024756,53.332730 6.024783,53.334671 6.019363,53.335002 6.017555,53.337095 6.014978,53.336481 6.014093,53.337660 5.995517,53.334763 5.993101,53.336205 5.989652,53.336092 5.988828,53.334661 5.982844,53.335236 5.982702,53.338135 5.987149,53.338734 5.991707,53.342760 5.989047,53.344565 5.989835,53.348340 6.006269,53.351109 6.011798,53.346642 6.018333,53.347611 6.023471,53.352392 6.021373,53.356639 6.020589,53.365297 6.029769,53.368983 6.039238,53.369451 6.045417,53.372863 6.046968,53.371938</coordinates>
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</LinearRing>
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</outerBoundaryIs>
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</Polygon>
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</Placemark>
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</Document>
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</kml>
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from fastkml import kml
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from shapely.geometry import shape, Polygon, MultiPolygon, Point
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__version__ = '0.0.1'
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__author__ = 'Herbert Kruitbosch'
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def as_gabmap_kml(geojson, document_name='Python Generated gabmap KML', name_property='gemeente_en_wijk_naam'):
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"""Creates a string with kml, accepted by gabmap, based on the (multi)polygons and points in a GeoJSON.
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If a feature in the geojson is a (Multi)Polygon, then both the (multi)polygon and the centroid point are
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added to the KML output. `name_property` is used as the key in `'properties'` of the geojson to determine
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the name used in the Placemarks of the KML. `document_name` is the name used in the Document element of the
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KML."""
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document = kml.Document(name=document_name, ns='')
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illigal_symbols = set('"\'&')
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intersection = set(document_name).intersection(illigal_symbols) == set()
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assert intersection, (
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"Gabmap cannot deal with some symbols ({}) in the document_name: {}".format(intersection, document_name))
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names = set()
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for feature in geojson['features']:
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shape_ = shape(feature['geometry'])
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name = feature['properties'][name_property]
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assert isinstance(shape_, Polygon) or isinstance(shape_, MultiPolygon) or isinstance(shape_, Point), (
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"gabmap.as_gabmap_kml was only tested on Polygons, Multipolygons and "
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"Points, not on {}: ".format(type(shape_), name)
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)
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assert name not in names, "Gabmap cannot deal with duplicate names: {}".format(name)
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intersection = set(name).intersection(illigal_symbols) == set()
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assert intersection, (
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"Gabmap cannot deal with some symbols ({}) in a name: {}".format(intersection, name))
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if isinstance(shape_, Polygon) or isinstance(shape_, MultiPolygon):
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names.add(name)
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point_placemark = kml.Placemark(name=name, ns='')
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point_placemark.geometry=shape_.centroid
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document.append(point_placemark)
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polygon_placemark = kml.Placemark(name=name, ns='')
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polygon_placemark.geometry=shape_
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document.append(polygon_placemark)
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k = kml.KML()
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k.append(document)
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return (
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"""<?xml version="1.0" encoding="utf-8" ?>
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""" +
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k.to_string(prettyprint=True)
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# prettyprint is important, as gabmap requires the name-attributes of (multi)polygon-placemarkers to have a newline after the closing tag.
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)
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Binary file not shown.
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@ -0,0 +1,28 @@
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from setuptools import setup
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setup(
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name='gabmap',
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version=__import__('gabmap').__version__,
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url='https://www.gabmap.nl/',
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author='Martijn Wieling, Herbert Kruitbosch, Research and Innovation Support',
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author_email='H.T.Kruitbosch@rug.nl',
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description='Python module with tools to prepare gabmap data. (Currently) Only supports conversion from geojson to gabmap-supported kml. Tested on Python3.6, probably also works in 2.7 and 3.x',
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license='BSD',
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packages=[
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'gabmap',
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],
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include_package_data=True,
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install_requires=[
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'fastkml>=0.11,<2',
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'shapely>=1.5.17,<2'
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],
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extras_require={},
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zip_safe=True,
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classifiers=[
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'Intended Audience :: Developers',
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'Programming Language :: Python',
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'Programming Language :: Python :: 3',
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'Programming Language :: Python :: 3.6',
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'Topic :: Software Development :: Libraries :: Python Modules',
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],
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)
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