mirror of
https://github.com/wassname/PyCRS.git
synced 2026-06-27 16:10:29 +08:00
Karim Bahgat
114 lines
2.1 KiB
Python
114 lines
2.1 KiB
Python
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def find(ellipsname, crstype, strict=False):
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if not strict:
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ellipsname = ellipsname.lower().replace(" ","_")
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for itemname,item in globals().items():
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if itemname.startswith("_"):
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continue
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try:
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if hasattr(item, crstype):
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itemname = getattr(item, crstype)
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if not strict:
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itemname = itemname.lower().replace(" ","_")
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if ellipsname == itemname:
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return item
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except:
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pass
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else:
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return None
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class WGS84:
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proj4 = "WGS84"
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ogc_wkt = "WGS_1984"
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esri_wkt = "WGS_1984"
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semimaj_ax = 6378137
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inv_flat = 298.257223563
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class WGS72:
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proj4 = "WGS72"
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ogc_wkt = "WGS 72"
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esri_wkt = "WGS_1972"
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semimaj_ax = 6378135
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inv_flat = 298.26
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class International:
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proj4 = "intl"
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ogc_wkt = "International_1924"
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esri_wkt = "International_1924"
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semimaj_ax = 6378388.0
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inv_flat = 297.0
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class GRS80:
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proj4 = "GRS80"
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ogc_wkt = "GRS_1980"
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esri_wkt = "GRS_1980"
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semimaj_ax = 6378137.0
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inv_flat = 298.257222101
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class Clarke1866:
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proj4 = "clrk66"
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ogc_wkt = "Clarke_1866"
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esri_wkt = "Clarke_1866"
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semimaj_ax = 6378206.4
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inv_flat = 294.9786982
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class Airy1830:
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proj4 = "airy"
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ogc_wkt = "Airy 1830"
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esri_wkt = "Airy_1830"
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semimaj_ax = 6377563.396
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inv_flat = 299.3249646
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class SphereArcInfo:
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proj4 = "" # no name
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ogc_wkt = "Sphere_ARC_INFO"
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esri_wkt = "Sphere_ARC_INFO"
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semimaj_ax = 6370997.0
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inv_flat = 0.0
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class Krassowsky1940:
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proj4 = "krass"
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ogc_wkt = "Krassowsky 1940"
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esri_wkt = "Krassowsky_1940"
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semimaj_ax = 6378245.0
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inv_flat = 298.3
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class Bessel1841:
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proj4 = "bessel"
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ogc_wkt = "Bessel 1841"
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esri_wkt = "Bessel_1841"
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semimaj_ax = 6377397.155
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inv_flat = 299.1528128
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class Unknown:
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proj4 = ""
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ogc_wkt = "Unknown"
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esri_wkt = "Unknown"
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# values have to be set manually in Ellipsoid class
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semimaj_ax = None
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inv_flat = None
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