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UsesCase_MEDmesh_3.f90
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1 !* This file is part of MED.
2 !*
3 !* COPYRIGHT (C) 1999 - 2021 EDF R&D, CEA/DEN
4 !* MED is free software: you can redistribute it and/or modify
5 !* it under the terms of the GNU Lesser General Public License as published by
6 !* the Free Software Foundation, either version 3 of the License, or
7 !* (at your option) any later version.
8 !*
9 !* MED is distributed in the hope that it will be useful,
10 !* but WITHOUT ANY WARRANTY; without even the implied warranty of
11 !* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 !* GNU Lesser General Public License for more details.
13 !*
14 !* You should have received a copy of the GNU Lesser General Public License
15 !* along with MED. If not, see <http://www.gnu.org/licenses/>.
16 !*
17
18 !*
19 !* Use case 3 : read an unstructured mesh : generic approach
20 !* - Computation step : NO
21 !*
22
23 program usescase_medmesh_3
24
25 implicit none
26 include 'med.hf90'
27
28 integer cret
29 integer*8 fid
30 integer nmesh, imesh, naxis, igeo, geotyp, nelt
31 character(64) :: mname, gtname
32 character(200) :: desc
33 character(16) :: dtunit
34 integer nstep, mdim, sdim, stype, mtype, atype
35 integer coocha, geotra, nnodes, ngeo
36 character(16), dimension(:), allocatable :: aname
37 character(16), dimension (:), allocatable :: aunit
38 real*8, dimension(:), allocatable :: ncoord
39
40 integer, dimension(:), allocatable :: connectivity
41
42 ! open file **
43 call mfiope(fid,'UsesCase_MEDmesh_1.med',med_acc_rdonly, cret)
44 if (cret .ne. 0 ) then
45 print *,'ERROR : open file'
46 call efexit(-1)
47 endif
48
49 ! how many mesh in the file ? **
50 call mmhnmh(fid,nmesh,cret)
51 if (cret .ne. 0 ) then
52 print *,'Read how many mesh'
53 call efexit(-1)
54 endif
55 print *,'Number of mesh = ',nmesh
56
57 do imesh=1,nmesh
58
59 print *,'mesh iterator =',imesh
60
61 ! read computation space dimension **
62 call mmhnax(fid,imesh,naxis,cret)
63 if (cret .ne. 0 ) then
64 print *,'Read number of axis in the mesh'
65 call efexit(-1)
66 endif
67 print *,'Number of axis in the mesh = ',naxis
68
69 allocate ( aname(naxis), aunit(naxis) ,stat=cret )
70 if (cret > 0) then
71 print *,'Memory allocation'
72 call efexit(-1)
73 endif
74 ! read mesh informations **
75 call mmhmii(fid, imesh, mname, sdim, mdim, mtype, desc, dtunit, stype, nstep, atype, aname, aunit, cret)
76 if (cret .ne. 0 ) then
77 print *,'Read mesh informations'
78 call efexit(-1)
79 endif
80 print *,"mesh name =", mname
81 print *,"space dim =", sdim
82 print *,"mesh dim =", mdim
83 print *,"mesh type =", mtype
84 print *,"mesh description =", desc
85 print *,"dt unit = ", dtunit
86 print *,"sorting type =", stype
87 print *,"number of computing step =", nstep
88 print *,"coordinates axis type =", atype
89 print *,"coordinates axis name =", aname
90 print *,"coordinates axis units =", aunit
91 deallocate(aname, aunit)
92
93 ! read how many nodes in the mesh
94 call mmhnme(fid,mname,med_no_dt,med_no_it,med_node,med_no_geotype,med_coordinate,med_no_cmode,coocha,geotra,nnodes,cret)
95 if (cret .ne. 0 ) then
96 print *,'Read how many nodes in the mesh'
97 call efexit(-1)
98 endif
99 print *,"number of nodes in the mesh =", nnodes
100
101 ! read mesh nodes coordinates
102 allocate ( ncoord(nnodes*2) ,stat=cret )
103 if (cret > 0) then
104 print *,'Memory allocation'
105 call efexit(-1)
106 endif
107
108 call mmhcor(fid,mname,med_no_dt,med_no_it,med_full_interlace,ncoord,cret)
109 if (cret .ne. 0 ) then
110 print *,'Nodes coordinates'
111 call efexit(-1)
112 endif
113 print *,"Nodes coordinates =", ncoord
114 deallocate(ncoord)
115
116 ! read number of geometrical types for cells
117 call mmhnme(fid,mname,med_no_dt,med_no_it,med_cell,med_geo_all,med_connectivity,med_nodal,coocha,geotra,ngeo,cret)
118 if (cret .ne. 0 ) then
119 print *,'Read number of geometrical types for cells'
120 call efexit(-1)
121 endif
122 print *,"number of geometrical types for cells =", ngeo
123
124 do igeo=1,ngeo
125
126 print *,'mesh iterator =',imesh
127
128 ! get geometry type
129 call mmheni(fid,mname,med_no_dt,med_no_it,med_cell,igeo,gtname,geotyp,cret)
130 if (cret .ne. 0 ) then
131 print *,'Read geometry type'
132 call efexit(-1)
133 endif
134 print *,"Geometry type =", geotyp
135
136 ! how many cells of type geotype ?
137 call mmhnme(fid,mname,med_no_dt,med_no_it,med_cell,geotyp,med_connectivity,med_nodal,coocha,geotra,nelt,cret)
138 if (cret .ne. 0 ) then
139 print *,'Read number of cells in the geotype'
140 call efexit(-1)
141 endif
142 print *,"number of cells in the geotype =", nelt
143
144 ! read mesh nodes coordinates
145 allocate ( connectivity(nelt*4) ,stat=cret )
146 if (cret > 0) then
147 print *,'Memory allocation - connectivity'
148 call efexit(-1)
149 endif
150
151 ! read cells connectivity in the mesh
152 call mmhcyr(fid,mname,med_no_dt,med_no_it,med_cell,geotyp,med_nodal,med_full_interlace,connectivity,cret)
153 if (cret .ne. 0 ) then
154 print *,'Connectivity'
155 call efexit(-1)
156 endif
157 print *,"Connectivity =", connectivity
158 deallocate(connectivity)
159
160 enddo
161 enddo
162
163 ! close file **
164 call mficlo(fid,cret)
165 if (cret .ne. 0 ) then
166 print *,'ERROR : close file'
167 call efexit(-1)
168 endif
169
170 end program usescase_medmesh_3
171
mmhnme
subroutine mmhnme(fid, name, numdt, numit, entype, geotype, datype, cmode, chgt, tsf, n, cret)
Cette routine permet de lire le nombre d'entités dans un maillage pour une étape de calcul donnée.
Definition: medmesh.f:551
mficlo
subroutine mficlo(fid, cret)
Fermeture d'un fichier MED.
Definition: medfile.f:82
mmhnmh
subroutine mmhnmh(fid, n, cret)
Cette routine permet de lire le nombre de maillages dans un fichier.
Definition: medmesh.f:41
mfiope
subroutine mfiope(fid, name, access, cret)
Ouverture d'un fichier MED.
Definition: medfile.f:42
mmhcor
subroutine mmhcor(fid, name, numdt, numit, swm, coo, cret)
Cette routine permet de lire dans un maillage le tableau des coordonnées des noeuds,...
Definition: medmesh.f:320
mmheni
subroutine mmheni(fid, name, numdt, numit, entype, it, geoname, geotype, cret)
Cette routine indique de façon itérative les types géométriques disponibles dans un maillage.
Definition: medmesh.f:1229
mmhmii
subroutine mmhmii(fid, it, name, sdim, mdim, mtype, desc, dtunit, stype, nstep, atype, aname, aunit, cret)
Cette routine permet de lire les informations relatives à un maillage dans un fichier.
Definition: medmesh.f:110
mmhnax
subroutine mmhnax(fid, it, naxis, cret)
Cette routine permet de lire dans un maillage le nombre d'axes du repère des coordonnées des noeuds.
Definition: medmesh.f:64
usescase_medmesh_3
program usescase_medmesh_3
Definition: UsesCase_MEDmesh_3.f90:23
mmhcyr
subroutine mmhcyr(fid, name, numdt, numit, entype, geotype, cmode, swm, con, cret)
Cette routine permet de lire dans un maillage le tableau des connectivités pour un type géométrique d...
Definition: medmesh.f:600