Source code for geometric_features.__main__

from __future__ import absolute_import, division, print_function, \
    unicode_literals

import argparse
import os
import geometric_features
from geometric_features import GeometricFeatures
from geometric_features.feature_collection import FeatureCollection, \
    read_feature_collection


[docs] def combine_features(): """ Entry point for combining features from a file """ parser = argparse.ArgumentParser( description=__doc__, formatter_class=argparse.RawTextHelpFormatter) parser.add_argument("-f", "--feature_file", dest="feature_file", help="feature file with features to be combined", metavar="FILE", required=True) parser.add_argument("-n", "--new_feature_name", dest="new_feature_name", help="The new name of the combined feature", metavar="NAME", required=True) parser.add_argument("-o", "--output", dest="output_file_name", help="Output file, e.g., features.geojson.", metavar="PATH", default="features.geojson") parser.add_argument('-v', '--version', action='version', version='geometric_features {}'.format( geometric_features.__version__), help="Show version number and exit") args = parser.parse_args() fc = read_feature_collection(args.feature_file) fc = fc.combine(args.new_feature_name) fc.to_geojson(args.output_file_name)
[docs] def difference_features(): """ Entry point for differencing features from a file """ parser = argparse.ArgumentParser( description=__doc__, formatter_class=argparse.RawTextHelpFormatter) parser.add_argument("-f", "--feature_file", dest="feature_file", help="Feature file to be clipped", metavar="FILE1", required=True) parser.add_argument("-m", "--mask_file", dest="mask_file", help="Feature file with one or more features whose " "overlap with features in feature_file should be " "removed", metavar="FILE2", required=True) parser.add_argument("-o", "--output", dest="output_file_name", help="Output file, e.g., features.geojson.", metavar="PATH", default="features.geojson") parser.add_argument('-v', '--version', action='version', version='geometric_features {}'.format( geometric_features.__version__), help="Show version number and exit") args = parser.parse_args() fc = read_feature_collection(args.feature_file) maskingFC = read_feature_collection(args.mask_file) fc = fc.difference(maskingFC) fc.to_geojson(args.output_file_name)
[docs] def fix_features_at_antimeridian(): """ Entry point for splitting features that cross +/- 180 degrees """ parser = argparse.ArgumentParser( description=__doc__, formatter_class=argparse.RawTextHelpFormatter) parser.add_argument("-f", "--feature_file", dest="feature_file", help="Feature file to be clipped", metavar="FILE1", required=True) parser.add_argument("-o", "--output", dest="output_file_name", help="Output file, e.g., features.geojson.", metavar="PATH", default="features.geojson") parser.add_argument('-v', '--version', action='version', version='geometric_features {}'.format( geometric_features.__version__), help="Show version number and exit") args = parser.parse_args() fc = read_feature_collection(args.feature_file) fc = fc.fix_antimeridian() fc.to_geojson(args.output_file_name)
[docs] def merge_features(): """ Entry point for merging features from the geometric_data cache """ parser = argparse.ArgumentParser( description=__doc__, formatter_class=argparse.RawTextHelpFormatter) parser.add_argument("-f", "--feature_file", dest="feature_file", help="Single feature file to append to " "output_file_name", metavar="FILE") parser.add_argument("-c", "--component", dest="component", help="The component (ocean, landice, etc.) from which " "to retrieve the geometric features", metavar="COMP") parser.add_argument("-b", "--object_type", dest="object_type", help="The type of geometry to load, a point (0D), " "transect (1D) or region (2D)", metavar="TYPE") parser.add_argument("-n", "--feature_names", dest="feature_names", help="Semicolon separated list of features", metavar='"FE1;FE2;FE3"') parser.add_argument("-t", "--tags", dest="tags", help="Semicolon separated list of tags to match " "features against.", metavar='"TAG1;TAG2;TAG3"') parser.add_argument("-o", "--output", dest="output_file_name", help="Output file, e.g., features.geojson.", metavar="PATH", default="features.geojson") parser.add_argument("--cache", dest="cache_location", help="Location of local geometric_data cache.", metavar="PATH") parser.add_argument('-v', '--version', action='version', version='geometric_features {}'.format( geometric_features.__version__), help="Show version number and exit") args = parser.parse_args() fc = FeatureCollection() if os.path.exists(args.output_file_name): fc = read_feature_collection(args.output_file_name) if args.feature_file: fc.merge(read_feature_collection(args.feature_file)) if args.component and args.object_type: gf = GeometricFeatures(args.cache_location) if args.feature_names: featureNames = args.feature_names.split(';') else: featureNames = None if args.tags: tags = args.tags.split(';') else: tags = None fc.merge(gf.read(args.component, args.object_type, featureNames, tags)) fc.to_geojson(args.output_file_name)
[docs] def plot_features(): """ Entry point for plotting features from a file """ parser = argparse.ArgumentParser( description=__doc__, formatter_class=argparse.RawTextHelpFormatter) parser.add_argument("-f", "--feature_file", dest="feature_file", help="Feature file to be clipped", metavar="FILE1", required=True) parser.add_argument("-m", "--map_type", dest="map_type", help="The map type on which to project", metavar="FILE") parser.add_argument("--max_length", dest="max_length", type=float, default=4.0, help="Maximum allowed segment length after subdivision" " (0.0 indicates skip subdivision)") parser.add_argument('-v', '--version', action='version', version='geometric_features {}'.format( geometric_features.__version__), help="Show version number and exit") args = parser.parse_args() fc = read_feature_collection(args.feature_file) if not args.map_type: mapTypes = ['cyl', 'merc', 'mill', 'mill2', 'moll', 'moll2', 'robin', 'robin2', 'ortho', 'northpole', 'southpole', 'atlantic', 'pacific', 'americas', 'asia'] else: mapTypes = args.map_type.split(',') for mapType in mapTypes: print('plot type: {}'.format(mapType)) if mapType in ['cyl', 'merc', 'mill', 'mill2', 'moll', 'moll2', 'robin', 'robin2']: figsize = (12, 6) else: figsize = (12, 9) fig = fc.plot(mapType, args.max_length, figsize) plotFileName = '{}_{}.png'.format( os.path.splitext(args.feature_file)[0], mapType) fig.savefig(plotFileName)
[docs] def set_group_name(): """ Set the group name of the feature collection """ parser = argparse.ArgumentParser( description=__doc__, formatter_class=argparse.RawTextHelpFormatter) parser.add_argument("-f", "--feature_file", dest="feature_file", required=True, help="Input and output feature file where group name " "is to be set", metavar="FILE") parser.add_argument("-g", "--group", dest="groupName", help="Feature group name", metavar="GROUPNAME", required=True) parser.add_argument('-v', '--version', action='version', version='geometric_features {}'.format( geometric_features.__version__), help="Show version number and exit") args = parser.parse_args() fc = read_feature_collection(args.feature_file) fc.set_group_name(args.groupName) fc.to_geojson(args.feature_file)
[docs] def simplify_features(): """ Features in the collection are simplified using ``shapely`` """ parser = argparse.ArgumentParser( description=__doc__, formatter_class=argparse.RawTextHelpFormatter) parser.add_argument("-f", "--feature_file", dest="feature_file", help="Feature file to be simplified", metavar="FILE", required=True) parser.add_argument("-t", "--tolerance", dest="tolerance", type=float, default=0.0, help="A distance in deg lon/lat by which each point " "in a feature can be moved during simplification", metavar="TOLERANCE") parser.add_argument("-o", "--output", dest="output_file_name", help="Output file, e.g., features.geojson.", metavar="PATH", default="features.geojson") parser.add_argument('-v', '--version', action='version', version='geometric_features {}'.format( geometric_features.__version__), help="Show version number and exit") args = parser.parse_args() fc = read_feature_collection(args.feature_file) fc = fc.simplify(args.tolerance) fc.to_geojson(args.output_file_name)
[docs] def split_features(): """ Features in the collection are split into individual files in the geometric_data cache """ parser = argparse.ArgumentParser( description=__doc__, formatter_class=argparse.RawTextHelpFormatter) parser.add_argument("-f", "--feature_file", dest="feature_file", help="File containing features to split up", metavar="FILE", required=True) parser.add_argument("-o", "--output_dir", dest="output_dir_name", help="Output directory, default is determined by the " "component property", metavar="PATH", default="./geometric_data") parser.add_argument('-v', '--version', action='version', version='geometric_features {}'.format( geometric_features.__version__), help="Show version number and exit") args = parser.parse_args() fc = read_feature_collection(args.feature_file) gf = GeometricFeatures() gf.split(fc, args.output_dir_name)
[docs] def tag_features(): """ Features in the collection are tagged with the given tag(s) """ parser = argparse.ArgumentParser( description=__doc__, formatter_class=argparse.RawTextHelpFormatter) parser.add_argument("-f", "--feature_file", dest="feature_file", help="Features collection file to be tagged", metavar="FILE", required=True) parser.add_argument("-t", "--tag", dest="tag", help="Tag to add to all features", metavar="TAG", required=True) parser.add_argument("-r", "--remove", dest="remove", action='store_true', help="Use this flag to signal removing a tag instead " "of adding") parser.add_argument("-o", "--output", dest="output_file_name", help="Output file, e.g., features.geojson.", metavar="PATH", default="features.geojson") parser.add_argument('-v', '--version', action='version', version='geometric_features {}'.format( geometric_features.__version__), help="Show version number and exit") args = parser.parse_args() fc = read_feature_collection(args.feature_file) fc.tag(args.tag.split(';'), args.remove) fc.to_geojson(args.output_file_name)