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! Copyright (C) 2006 Imperial College London and others.
!
! Please see the AUTHORS file in the main source directory for a full list
! of copyright holders.
!
! Prof. C Pain
! Applied Modelling and Computation Group
! Department of Earth Science and Engineeringp
! Imperial College London
!
! amcgsoftware@imperial.ac.uk
!
! This library is free software; you can redistribute it and/or
! modify it under the terms of the GNU Lesser General Public
! License as published by the Free Software Foundation,
! version 2.1 of the License.
!
! This library is distributed in the hope that it will be useful,
! but WITHOUT ANY WARRANTY; without even the implied warranty of
! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
! Lesser General Public License for more details.
!
! You should have received a copy of the GNU Lesser General Public
! License along with this library; if not, write to the Free Software
! Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
! USA
#include "fdebug.h"
subroutine project_vtu(input_filename, input_filename_len, donor_basename, donor_basename_len, target_basename, target_basename_len, output_filename, output_filename_len)
use conservative_interpolation_module
use fields
use fldebug
use global_parameters, only : current_debug_level
use intersection_finder_module
use linked_lists
use solvers
use spud
use state_module
use read_triangle
use vtk_interfaces
use write_triangle
implicit none
integer, intent(in) :: input_filename_len
integer, intent(in) :: donor_basename_len
integer, intent(in) :: target_basename_len
integer, intent(in) :: output_filename_len
character(len = input_filename_len), intent(in) :: input_filename
character(len = donor_basename_len), intent(in) :: donor_basename
character(len = target_basename_len), intent(in) :: target_basename
character(len = output_filename_len), intent(in) :: output_filename
character(len = *), parameter :: fields_path = "/dummy"
integer :: i
integer, parameter :: quad_degree = 4
type(element_type), pointer :: shape
type(ilist), dimension(:), allocatable :: map_BA
type(mesh_type) :: output_mesh
type(mesh_type), pointer :: input_mesh
type(state_type) :: input_state, output_state
type(scalar_field) :: output_s_field
type(scalar_field), pointer :: input_s_field
type(vector_field) :: donor_positions, output_v_field, target_positions
type(vector_field), pointer :: input_v_field
type(tensor_field) :: output_t_field
type(tensor_field), pointer :: input_t_field
ewrite(1, *) "In project_vtu"
call set_solver_options(fields_path // "/galerkin_projection/continuous", &
& ksptype = "cg", pctype = "sor", atol = epsilon(0.0), rtol = 0.0, max_its = 2000, start_from_zero = .true.)
call vtk_read_state(trim(input_filename), input_state, quad_degree = quad_degree)
donor_positions = extract_vector_field(input_state, "Coordinate")
input_mesh => extract_mesh(input_state, "Mesh")
target_positions = read_triangle_files(trim(target_basename), quad_degree = quad_degree)
shape => ele_shape(donor_positions, 1)
output_mesh = make_mesh(target_positions%mesh, shape, continuity = continuity(donor_positions))
donor_positions = read_triangle_files(trim(donor_basename), quad_degree = quad_degree)
allocate(map_BA(ele_count(target_positions)))
map_BA = rtree_intersection_finder(target_positions, donor_positions)
call insert(input_state, donor_positions, "Coordinate")
call insert(output_state, target_positions, "Coordinate")
call insert(output_state, output_mesh, "Mesh")
do i = 1, scalar_field_count(input_state)
input_s_field => extract_scalar_field(input_state, i)
if(input_s_field%name == "vtkGhostLevels") then
call remove_scalar_field(input_state, input_s_field%name)
cycle
end if
call allocate(output_s_field, output_mesh, input_s_field%name)
call zero(output_s_field)
output_s_field%option_path = fields_path
call insert(output_state, output_s_field, output_s_field%name)
call deallocate(output_s_field)
end do
do i = 1, vector_field_count(input_state)
input_v_field => extract_vector_field(input_state, i)
if(input_v_field%name == "Coordinate") cycle
call allocate(output_v_field, input_v_field%dim, output_mesh, input_v_field%name)
call zero(output_v_field)
output_v_field%option_path = fields_path
call insert(output_state, output_v_field, output_v_field%name)
call deallocate(output_v_field)
end do
do i = 1, tensor_field_count(input_state)
input_t_field => extract_tensor_field(input_state, i)
call allocate(output_t_field, output_mesh, input_t_field%name)
call zero(output_t_field)
output_t_field%option_path = fields_path
call insert(output_state, output_t_field, output_t_field%name)
call deallocate(output_t_field)
end do
call deallocate(donor_positions)
call deallocate(target_positions)
if(current_debug_level >= 2) then
ewrite(2, *) "Options tree:"
call print_options()
ewrite(2, *) "Input state:"
call print_state(input_state)
ewrite(2, *) "Output state:"
call print_state(output_state)
end if
call interpolation_galerkin(input_state, output_state, map_BA = map_BA)
call deallocate(map_BA)
deallocate(map_BA)
call deallocate(input_state)
call vtk_write_state(trim(output_filename), model = "Mesh", state = (/output_state/))
call deallocate(output_state)
call deallocate(output_mesh)
call print_references(0)
ewrite(1, *) "Exiting project_vtu"
end subroutine project_vtu
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