# plot to check : #db2.data['mask'][db2.data['mask'] == 1] = 0 #imshow(db2.data['mask'][::-1,:]) #colorbar() #tight_layout() #show() imshow(db2.data['B'][::-1]) colorbar() #show() print db2.data['B'].max() # generate the contour : m = MeshGenerator(db2, 'mesh', '') # Manually create a circular contour angles = linspace(0, 1, 1000)*2*pi xs = 2999000*cos(angles) ys = 2999000*sin(angles) contour = array(zip(xs, ys)) m.set_contour(contour) m.write_gmsh_contour(1000, boundary_extend=False) m.add_edge_attractor(1) #field, ifield, lcMin, lcMax, distMin, distMax m.add_threshold(2, 1, 5000, 5000, 1, 100000) m.finish(4) m.close_file()
# -*- coding: utf-8 -*- """ Create a uniform mesh of Antarctica for plotting. """ from varglas.utilities import DataInput, MeshGenerator from varglas.data.data_factory import DataFactory from pylab import * thklim = 0 # create meshgrid for contour : bedmap2 = DataFactory.get_bedmap2() # process the data : dbm = DataInput(bedmap2, gen_space=False) dbm.set_data_val("H", 32767, thklim) m = MeshGenerator(dbm, 'mesh', '') m.create_contour('H', 0.0, 5) m.eliminate_intersections(dist=20) m.write_gmsh_contour(1000, boundary_extend=False) m.add_edge_attractor(1) #field, ifield, lcMin, lcMax, distMin, distMax m.add_threshold(2, 1, 3000, 3000, 1, 100000) m.finish(4) #m.create_2D_mesh('mesh') #FIXME: fails #m.convert_msh_to_xml('mesh', 'mesh')