intersection v_zh
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@ -2,10 +2,11 @@
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# -*- coding: UTF-8 -*-.
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import geopandas as gpd
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from pycen import con
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from pycen import con,zh
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from os import path,listdir
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from re import findall
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v_zh = zh().v_zoneshumides()
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PATH = '/media/colas/SRV/FICHIERS/OUTILS/CARTOGRAPHIE/ESPACE DE TRAVAIL/ETUDES/Zones humides'
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lst_layer = [x for x in listdir(PATH) if (x.endswith('.shp') or x.endswith('.gpkg')) and x.startswith('ZHP')]
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@ -61,6 +62,7 @@ if __name__ == "__main__":
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gdf.sort_values(['datemodif'],inplace=True,ignore_index=True,ascending=False)
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gdf.drop(columns=['X','Y'],inplace=True,errors='ignore')
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gdf.rename_geometry('geom',inplace=True)
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# Suppression des doublons de géometries - temps de calcul long
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gdf.drop_duplicates(subset='geom',inplace=True,ignore_index=True,keep='first')
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tmp = (gdf.descripti2
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@ -200,6 +202,9 @@ if __name__ == "__main__":
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statut_isna = gdf['statut'].isna()
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gdf.loc[is_interpret&statut_isna,'statut'] = 'A visiter'
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is_zh2 = gdf['statut'].isna()&gdf['comment'].str.startswith('Zh',na=False)
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gdf.loc[is_zh2,'statut'] = 'A décrire'
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dict_type = {
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**dict.fromkeys(['Barrage','Bassin','Lagunage'],'Artificiel'),
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**dict.fromkeys(['Mégaphorbiaie','Prairie','Prairie humide','Roselière'],'Prairie humide et roselière'),
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@ -210,18 +215,58 @@ if __name__ == "__main__":
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gdf['classe'] = (gdf['type']
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.replace(dict_type))
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# Harmonisation des observateurs
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dict_obs = {
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'NB':'CEN Isère (N. Biron)',
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'Nico':'CEN Isère (N. Biron)',
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'Alix':'CEN Isère (A. Guedou)',
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'N BIRON':'CEN Isère (N. Biron)',
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'N. Biron (CEN Isère)':'CEN Isère (N. Biron)',
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'Nicolas Biron':'CEN Isère (N. Biron)',
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'M. Juton (CEN Isère)':'CEN Isère (M. Juton)',
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'CEN Isère (J.-L. Grossi)':'CEN Isère (J. L. Grossi)',
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'Lpo Isère (F. Frossard)':'LPO Isère (F. Frossard)',
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'Lpo Isère (H. Coffre)':'LPO Isère (H. Coffre)',
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'Lpo Isère (D. Loose)':'LPO Isère (D. Loose)',
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'J. F. Noblet':'Le Pic Vert (J. F. Noblet)',
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'R. Fonters':'LPO Isère (R. Fonters)',
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'R. Marciau':'CEN Isère (R. Marciau)',
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}
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gdf.replace(dict_obs,inplace=True)
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# Suppression des ZH taguer Absence
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not_zh = gdf['statut']=='Absence ZH'
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idx_notzh = gdf[not_zh].index
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gdf.drop(idx_notzh,inplace=True)
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# Intersection des zh_ponctuelles et zh_surfacique - temps de calcul long
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v_zh_union = v_zh.unary_union
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is_intersect = gdf.intersects(v_zh_union)
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lst_drop = ['Tourbière','Culture','Boisement','Prairie humide','Roselière','Grève','Barrage','Lac']
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drop_prospect_pontc = ~gdf['type'].isin(lst_drop)
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gdf_zh = gdf[is_intersect&drop_prospect_pontc].copy()
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gdf_ponct= gdf[~is_intersect].copy()
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# A faire :
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# - Vérifier la suppression des zhAbsentes
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# - Intersecter avec la couche zh surfacique,
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# dissocier les donner d'intersection et conserver
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# dans une autre couche les zones ponctuelles correspondant à des Mares/Etangs/bassin/Lac
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bdd_table = 'zh_ponctuelles'
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gdf_ponct.to_postgis(bdd_table,con,'zones_humides',if_exists='replace',index=True if 'gid' not in gdf.columns else False,index_label='gid')
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sql = """
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ALTER TABLE zones_humides.{tab} ADD PRIMARY KEY (gid);
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GRANT ALL ON TABLE zones_humides.{tab} TO grp_admin;
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GRANT SELECT ON TABLE zones_humides.{tab} TO grp_consult;
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""".format(tab=bdd_table)
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with con.begin() as cnx:
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cnx.execute(sql)
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bdd_table = 'zh_ponctuelles_encours'
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gdf.to_postgis(bdd_table,con,'zones_humides',if_exists='replace',index=True if 'gid' not in gdf.columns else False,index_label='gid')
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bdd_table = 'zh_ponctuelles_in_zh'
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gdf_zh.to_postgis(bdd_table,con,'zones_humides',if_exists='replace',index=True if 'gid' not in gdf.columns else False,index_label='gid')
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sql = """
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ALTER TABLE zones_humides.{tab} ADD PRIMARY KEY (gid);
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