New issue 1319: fields as contiguous arrays for idealized galaxies https://bitbucket.org/yt_analysis/yt/issues/1319/fields-as-contiguous-arrays... Desika Narayanan: This is related to a previous bugfix: https://bitbucket.org/yt_analysis/yt/pull-requests/2498/ensure-fields-are-co... If I try a related test with an idealized gadget galaxy (a test snapshot can be found here: https://www.dropbox.com/s/q817i6w6wpb42we/snapshot_050.hdf5?dl=0 with the following code: http://paste.yt-project.org/show/7015/ it returns an error similar to PR 2498: ``` jam:scratch desika$ python vel_proj_idealized.py yt : [INFO ] 2017-02-07 11:14:47,621 Omega Lambda is 0.0, so we are turning off Cosmology. yt : [INFO ] 2017-02-07 11:14:47,630 Parameters: current_time = 0.25 yt : [INFO ] 2017-02-07 11:14:47,630 Parameters: domain_dimensions = [2 2 2] yt : [INFO ] 2017-02-07 11:14:47,631 Parameters: domain_left_edge = [-1000. -1000. -1000.] yt : [INFO ] 2017-02-07 11:14:47,631 Parameters: domain_right_edge = [ 1000. 1000. 1000.] yt : [INFO ] 2017-02-07 11:14:47,632 Parameters: cosmological_simulation = 0 yt : [INFO ] 2017-02-07 11:14:47,634 Allocating for 2.515e+07 particles (index particle type 'all') yt : [INFO ] 2017-02-07 11:14:51,665 Identified 1.540e+06 octs [ 0. 0. 0. ..., 0. 0. 0.] code_velocity Traceback (most recent call last): File "vel_proj_idealized.py", line 23, in <module> vy = arb[ ('deposit', 'PartType0_sum_velocity_y')] File "/Users/desika/yt/yt/data_objects/data_containers.py", line 281, in __getitem__ self.get_data(f) File "/Users/desika/yt/yt/data_objects/construction_data_containers.py", line 635, in get_data if len(gen) > 0: self._generate_fields(gen) File "/Users/desika/yt/yt/data_objects/data_containers.py", line 1353, in _generate_fields fd = self._generate_field(field) File "/Users/desika/yt/yt/data_objects/data_containers.py", line 318, in _generate_field tr = self._generate_fluid_field(field) File "/Users/desika/yt/yt/data_objects/data_containers.py", line 338, in _generate_fluid_field rv = finfo(gen_obj) File "/Users/desika/yt/yt/fields/derived_field.py", line 220, in __call__ dd = self._function(self, data) File "/Users/desika/yt/yt/data_objects/static_output.py", line 1260, in _deposit_field method=method, kernel_name=kernel_name), File "/Users/desika/yt/yt/data_objects/construction_data_containers.py", line 728, in deposit op.process_grid(self, positions, fields) File "yt/geometry/particle_deposit.pyx", line 120, in yt.geometry.particle_deposit.ParticleDepositOperation.process_grid (yt/geometry/particle_deposit.c:5181) ValueError: Buffer and memoryview are not contiguous in the same dimension. ```