source: development/dam_2006/create_mesh.py @ 3420

"""Create mesh for lwru2 validation of the Oshiri island tsunami
"""

#!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
# Assume that the root AnuGA dir is included in your pythonpath
#!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

from pmesh.mesh import *
from coordinate_transforms.geo_reference import Geo_reference

import project
def generate(gate_position, is_course = False):
    #Basic geometry
    
    xleft   = - gate_position
    xright  = 3.0 - gate_position
    ybottom = 0
    ytop    = 0.4
    xdam = 0.0 

    #Outline 
    point_sw = [xleft, ybottom]
    point_se = [xright, ybottom]
    point_nw = [xleft, ytop]    
    point_ne = [xright, ytop]

    # Dam seperation (left)
    point_dam_top = [xdam, ytop]
    point_dam_bottom = [xdam, ybottom]


    m = Mesh()

    #Boundary
    # FIXME (DSG-DSG): Update this to use new interface.
    dict = {}
    dict['points'] = [point_se,   #se
                      point_ne,
                      point_dam_top,
                      point_nw,
                      point_sw,
                      point_dam_bottom]

    dict['segments'] = [[0,1], [1,2], [2,3], [3,4],
                        [4,5], [5,0],  #The outer border
                        [2,5]]         #Separator
    
    dict['segment_tags'] = ['wall',
                            'wall',
                            'wall',
                            'wall', #back of the dam
                            'wall',
                            'wall',
                            '']           #Interior

        
    m.addVertsSegs(dict)
    
    dam = m.add_region(0.0000001,(ytop - ybottom)/2)
    # this is the location of the region.

    dam.setTag("dam")
    if is_course:
        m.generate_mesh(maximum_triangle_area=0.01)
    else:
        m.generate_mesh(maximum_triangle_area=0.0001)

    m.export_mesh_file(project.mesh_filename)
    print "mesh created"

#-------------------------------------------------------------
if __name__ == "__main__":
    pass