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UsesCase_MEDmesh_13.f
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1 C* This file is part of MED.
2 C*
3 C* COPYRIGHT (C) 1999 - 2023 EDF R&D, CEA/DEN
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12 C* GNU Lesser General Public License for more details.
13 C*
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15 C* along with MED. If not, see <http://www.gnu.org/licenses/>.
16 C*
17 
18 C******************************************************************************
19 C*
20 C* Use case 13 : a 2D unstructured mesh with 10 nodes and 2 polygons
21 C*
22 C* poly1 : 1,4,7,9,6,3
23 C* poly2 : 2,5,8,10,7,4
24 C
25 C* 9 10
26 C*
27 C* 6 7 8
28 C*
29 C* 3 4 5
30 C*
31 C* 1 2
32 C*
33 C *****************************************************************************
35 C
36  implicit none
37  include 'med.hf77'
38 C
39 C
40  integer cret
41  integer*8 fid
42 
43 C space dim, mesh dim
44  integer sdim, mdim
45 C axis name, unit name
46  character*16 axname(2), unname(2)
47 C mesh name, file name
48  character*64 mname, finame
49  character*64 dtunit
50 C coordinates
51  real*8 coords(2*10)
52  integer nnodes
53  integer isize
54  integer index(3)
55  integer conity(12)
56 C comment 1, mesh description
57  character*200 cmt1, mdesc
58 C
59  parameter(sdim = 2, mdim = 2)
60  parameter(mname = "2D unstructured mesh")
61  parameter(dtunit = "")
62  parameter(finame = "UsesCase_MEDmesh_13.med")
63 C Dix noeuds dont deux communs aux deux polygones */
64  parameter(nnodes = 10)
65  parameter(isize = 3)
66  parameter(cmt1 ="A 2D unstructured mesh : 10 nodes, 2 polygons")
67  parameter(mdesc = "A 2D mesh with 2 polygons")
68 C
69  data axname /"x ","y "/
70  data unname /"cm ","cm "/
71  data coords / 0.5, 0.,
72  & 1.5, 0.,
73  & 0., 0.5,
74  & 1., 0.5,
75  & 2., 0.5,
76  & 0., 1.,
77  & 1., 1.,
78  & 2., 1.,
79  & 0.5, 2.,
80  & 1.5, 2. /
81  data index / 1, 7, 13 /
82  data conity / 1,4,7,9,6,3,
83  & 2,5,8,10,7,4 /
84 C
85 C
86 C file creation
87  call mfiope(fid,finame,med_acc_creat,cret)
88  if (cret .ne. 0 ) then
89  print *,'ERROR : file creation'
90  call efexit(-1)
91  endif
92 C
93 C
94 C write a comment in the file
95  call mficow(fid,cmt1,cret)
96  if (cret .ne. 0 ) then
97  print *,'ERROR : write file description'
98  call efexit(-1)
99  endif
100 C
101 C
102 C mesh creation : a 2D unstructured mesh
103  call mmhcre(fid, mname, sdim, mdim, med_unstructured_mesh, mdesc,
104  & dtunit, med_sort_dtit, med_cartesian,
105  & axname, unname, cret)
106  if (cret .ne. 0 ) then
107  print *,'ERROR : mesh creation'
108  call efexit(-1)
109  endif
110 C
111 C
112 C nodes coordinates in a cartesian axis in full interlace mode
113 C (X1,Y1, X2,Y2, X3,Y3, ...) with no iteration and computation step
114  call mmhcow(fid,mname,med_no_dt,med_no_it, med_undef_dt,
115  & med_full_interlace,nnodes,coords,cret)
116  if (cret .ne. 0 ) then
117  print *,'ERROR : write nodes coordinates description'
118  call efexit(-1)
119  endif
120 C
121 C
122 C cells connectiviy is defined in nodal mode
123 C 2 polygons
124  call mmhpgw(fid, mname, med_no_dt, med_no_it, med_undef_dt,
125  & med_cell, med_nodal, isize, index, conity, cret)
126  if (cret .ne. 0 ) then
127  print *,'ERROR : polygon connectivity ...'
128  call efexit(-1)
129  endif
130 C
131 C
132 C create family 0 : by default, all mesh entities family number is 0
133  call mfacre(fid,mname,med_no_name,0,0,med_no_group,cret)
134  if (cret .ne. 0 ) then
135  print *,'ERROR : create family 0'
136  call efexit(-1)
137  endif
138 C
139 C
140 C close file
141  call mficlo(fid,cret)
142  if (cret .ne. 0 ) then
143  print *,'ERROR : close file'
144  call efexit(-1)
145  endif
146 C
147 C
148 C
149  end
150 C
mmhpgw
subroutine mmhpgw(fid, name, numdt, numit, dt, entype, cmode, isize, index, con, cret)
Cette routine permet l'écriture des connectivités de polygones.
Definition: medmesh.f:890
usescase_medmesh_13
program usescase_medmesh_13
Definition: UsesCase_MEDmesh_13.f:34
mmhcre
subroutine mmhcre(fid, name, sdim, mdim, mtype, desc, dtunit, stype, atype, aname, aunit, cret)
Cette routine permet de créer un maillage dans un fichier.
Definition: medmesh.f:20
mficow
subroutine mficow(fid, cmt, cret)
Ecriture d'un descripteur dans un fichier MED.
Definition: medfile.f:99
mficlo
subroutine mficlo(fid, cret)
Fermeture d'un fichier MED.
Definition: medfile.f:82
mfacre
subroutine mfacre(fid, name, fname, fnum, ngro, gname, cret)
Cette routine permet la création d'une famille portant sur les entités d'un maillage.
Definition: medfamily.f:19
mmhcow
subroutine mmhcow(fid, name, numdt, numit, dt, swm, n, coo, cret)
Cette routine permet d'écrire dans un maillage le tableau des coordonnées des noeuds,...
Definition: medmesh.f:299
mfiope
subroutine mfiope(fid, name, access, cret)
Ouverture d'un fichier MED.
Definition: medfile.f:42