from pyproj import Proj, transform
import time
start = time.time()
outProj = Proj(init='epsg:3003')
inProj = Proj("+proj=cass +lat_0=43.318293 +lon_0=11.332212 +x_0=0.000000000000000 +y_0=0.000000000000000 +datum=WGS84 +units=m +no_defs")
x = 61759.831
y = -41125.585
ret = transform(inProj, outProj, y, x)
stop = time.time()
print "TIME: {}".format(stop - start)
print ret
TIME: 0.00243186950684
(1646302.7175562638, 4859396.617420217)
TIME: 0.000527143478394
(1646302.7175562638, 4859396.617420217)
I hope this can help..
v 1.9.6:
TIME: 0.000527143478394
(1646302.7175562638, 4859396.617420217)
v 2.0.0
TIME: 0.0132768154144
(1646279.7128513593, 4859469.284666889)
v 2.0.1
TIME: 0.0472819805145
(1646279.7128513593, 4859469.284666889)
v 2.1.0
TIME: 0.0480349063873
(1646279.7128513593, 4859469.284666889)
v 2.1.1
TIME: 0.0479390621185
(1646279.7128513593, 4859469.284666889)
v 2.1.2
TIME: 0.142739057541
(1646302.7175560538, 4859396.61741957)
v 2.1.3
TIME: 0.149616956711
(1646302.7175560538, 4859396.61741957)
v 2.2.0
TIME: 0.0712070465088
(1646302.7175560538, 4859396.61741957)
v 2.2.1
TIME: 0.0708930492401
(1646302.7175560538, 4859396.61741957)
v 2.2.2
TIME: 0.0708050727844
(1646302.7175560538, 4859396.61741957)
# https://pyproj4.github.io/pyproj/stable/gotchas.html#upgrading-to-pyproj-2-from-pyproj-1
from pyproj import Transformer
import time
start = time.time()
x = 61759.831
y = -41125.585
transformer = Transformer.from_crs("+proj=cass +lat_0=43.318293 +lon_0=11.332212 +x_0=0.000000000000000 +y_0=0.000000000000000 +datum=WGS84 +units=m +no_defs", "epsg:3003")
ret = transformer.transform(y, x)
stop = time.time()
print "TIME: {}".format(stop - start)
print ret
TIME: 0.0580408573151
(1646302.7175560538, 4859396.61741957)
TIME: 0.0537190437317
(1646302.7175560538, 4859396.61741957)
TIME: 0.0591440200806
(1646302.7175560538, 4859396.61741957)
TIME: 0.0580699443817
(1646302.7175560538, 4859396.61741957)
TIME: 0.0595941543579
(1646302.7175560538, 4859396.61741957)
TIME: 0.0600090026855
(1646302.7175560538, 4859396.61741957)
TIME: 0.059278011322
(1646302.7175560538, 4859396.61741957)
TIME: 0.0588028430939
(1646302.7175560538, 4859396.61741957)
TIME: 0.0584590435028
(1646302.7175560538, 4859396.61741957)
TIME: 0.0585939884186
(1646302.7175560538, 4859396.61741957)
TIME: 0.0572869777679
(1646302.7175560538, 4859396.61741957)
TIME: 0.0574839115143
(1646302.7175560538, 4859396.61741957)
TIME: 0.0569059848785
(1646302.7175560538, 4859396.61741957)
TIME: 0.0589108467102
(1646302.7175560538, 4859396.61741957)
TIME: 0.0600910186768
(1646302.7175560538, 4859396.61741957)
TIME: 0.0592269897461
(1646302.7175560538, 4859396.61741957)
TIME: 0.058445930481
(1646302.7175560538, 4859396.61741957)
TIME: 0.0585761070251
(1646302.7175560538, 4859396.61741957)
TIME: 0.0573010444641
(1646302.7175560538, 4859396.61741957)
TIME: 0.067663192749
(1646302.7175560538, 4859396.61741957)
TIME: 0.0576071739197
(1646302.7175560538, 4859396.61741957)
TIME: 6.41345977783e-05
(1646302.7175560538, 4859396.61741957)
TIME: 1.50203704834e-05
(1646302.7175560538, 4859396.61741957)
TIME: 1.21593475342e-05
(1646302.7175560538, 4859396.61741957)
TIME: 1.31130218506e-05
(1646302.7175560538, 4859396.61741957)
TIME: 9.77516174316e-06
(1646302.7175560538, 4859396.61741957)
TIME: 1.09672546387e-05
(1646302.7175560538, 4859396.61741957)
TIME: 1.38282775879e-05
(1646302.7175560538, 4859396.61741957)
TIME: 9.05990600586e-06
(1646302.7175560538, 4859396.61741957)
TIME: 1.00135803223e-05
(1646302.7175560538, 4859396.61741957)
TIME: 1.09672546387e-05
(1646302.7175560538, 4859396.61741957)
TIME: 8.10623168945e-06
(1646302.7175560538, 4859396.61741957)
TIME: 7.86781311035e-06
(1646302.7175560538, 4859396.61741957)
TIME: 1.69277191162e-05
(1646302.7175560538, 4859396.61741957)
TIME: 1.09672546387e-05
(1646302.7175560538, 4859396.61741957)
TIME: 8.10623168945e-06
(1646302.7175560538, 4859396.61741957)
TIME: 1.4066696167e-05
(1646302.7175560538, 4859396.61741957)
TIME: 1.4066696167e-05
(1646302.7175560538, 4859396.61741957)
TIME: 1.09672546387e-05
(1646302.7175560538, 4859396.61741957)
TIME: 1.71661376953e-05
(1646302.7175560538, 4859396.61741957)
TIME: 1.69277191162e-05
(1646302.7175560538, 4859396.61741957)
+proj=geos
projection. I was thinking of defining my own EPSG code for this, but with the changes to PROJ where it uses a sqlite DB now, is it possible to do this any more?