Class: NumRu::NetCDF
- Inherits:
-
Object
- Object
- NumRu::NetCDF
- Defined in:
- lib/numru/netcdf.rb,
ext/netcdfraw.c
Constant Summary collapse
- Max_Try =
100
- NC_NOWRITE =
Class Constants Definition
INT2FIX(NC_NOWRITE)
- NC_WRITE =
INT2FIX(NC_WRITE)
- NC_SHARE =
INT2FIX(NC_SHARE)
- NC_CLOBBER =
INT2FIX(NC_CLOBBER)
- NC_NOCLOBBER =
INT2FIX(NC_NOCLOBBER)
Class Method Summary collapse
- .clean_tmpfile(path) ⇒ Object
- .create(filename, noclobber = false, share = false) ⇒ Object
- .create_tmp(tmpdir = ENV['TMPDIR']||ENV['TMP']||ENV['TEMP']||'.', share = false) ⇒ Object
-
.nc_create(filename, cmode) ⇒ Object
rb_define_singleton_method(cNetCDF,“new”,NetCDF_open,2);.
-
.nc_open(filename, omode) ⇒ Object
The methods of the NetCDF class.
- .open(filename, mode = "r", share = false) ⇒ Object (also: new)
Instance Method Summary collapse
-
#==(fileb) ⇒ Object
Redifinition of the “==” and “eql?” methods.
- #att(att_name) ⇒ Object
- #att_names ⇒ Object
- #clone ⇒ Object
- #close ⇒ Object
- #def_dim(dim_name, length) ⇒ Object
- #def_var(var_name, vartype, dimensions) ⇒ Object
- #def_var_with_dim(name, vartype, shape_ul0, dimnames) ⇒ Object
- #define_mode? ⇒ Boolean
- #dim(dim_name) ⇒ Object
- #dim_names ⇒ Object
-
#dims(names = nil) ⇒ Object
return all if names==nil.
- #each_att ⇒ Object
-
#each_dim ⇒ Object
Iterators:.
- #each_var ⇒ Object
- #enddef ⇒ Object
- #fill(mode) ⇒ Object
- #inspect ⇒ Object
- #natts ⇒ Object
- #ndims ⇒ Object
- #nvars ⇒ Object
- #path ⇒ Object
- #put_att(attname, val, atttype = nil) ⇒ Object
-
#put_attraw ⇒ Object
atttype: nil or a String (“string”,“int”,etc).
- #redef ⇒ Object
- #sync ⇒ Object
- #unlimited ⇒ Object
- #var(var_name) ⇒ Object
- #var_names ⇒ Object
-
#vars(names = nil) ⇒ Object
return all if names==nil.
Class Method Details
.clean_tmpfile(path) ⇒ Object
72 73 74 75 76 77 78 79 80 |
# File 'lib/numru/netcdf.rb', line 72 def clean_tmpfile(path) proc { print "removing ", path, "..." if $DEBUG if File.exist?(path) File.unlink(path) end print "done\n" if $DEBUG } end |
.create(filename, noclobber = false, share = false) ⇒ Object
49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 |
# File 'lib/numru/netcdf.rb', line 49 def NetCDF.create(filename,noclobber=false,share=false) case(noclobber) when false noclobber=NC_CLOBBER when true noclobber=NC_NOCLOBBER else raise NetcdfError,"noclobber (2nd argument) must be true or false" end case(share) when false share=0 when true share=NC_SHARE else raise NetcdfError,"share (3rd argument) must be true or false" end cmode=noclobber | share nc_create(filename,cmode) end |
.create_tmp(tmpdir = ENV['TMPDIR']||ENV['TMP']||ENV['TEMP']||'.', share = false) ⇒ Object
84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 |
# File 'lib/numru/netcdf.rb', line 84 def NetCDF.create_tmp(tmpdir=ENV['TMPDIR']||ENV['TMP']||ENV['TEMP']||'.', share=false) basename = 'temp' if $SAFE > 0 and tmpdir.tainted? tmpdir = '.' end n = 0 while true begin tmpname = sprintf('%s/%s%d_%d.nc', tmpdir, basename, $$, n) unless File.exist?(tmpname) netcdf = NetCDF.create(tmpname, true, share) ObjectSpace.define_finalizer(netcdf, NetCDF.clean_tmpfile(tmpname)) break end rescue raise NetcdfError, "cannot generate tempfile `%s'" % tmpname if n >= Max_Try end n += 1 end netcdf end |
.nc_create(filename, cmode) ⇒ Object
rb_define_singleton_method(cNetCDF,“new”,NetCDF_open,2);
1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 |
# File 'ext/netcdfraw.c', line 1044
VALUE
NetCDF_create(VALUE mod,VALUE filename,VALUE cmode)
{
int ncid;
int status;
char* c_filename;
int c_cmode;
struct Netcdf *ncfile;
Check_Type(filename,T_STRING);
SafeStringValue(filename);
c_filename=RSTRING_PTR(filename);
Check_Type(cmode,T_FIXNUM);
c_cmode=NUM2INT(cmode);
status = nc_create(c_filename,c_cmode,&ncid);
if(status != NC_NOERR) NC_RAISE2(status, c_filename);
ncfile = NetCDF_init(ncid,c_filename);
return( Data_Wrap_Struct(cNetCDF,0,NetCDF_free,ncfile) );
}
|
.nc_open(filename, omode) ⇒ Object
The methods of the NetCDF class
1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 |
# File 'ext/netcdfraw.c', line 1020
VALUE
NetCDF_open(VALUE mod,VALUE filename,VALUE omode)
{
int status;
int ncid;
char* c_filename;
int c_omode;
struct Netcdf *ncfile;
VALUE retval;
Check_Type(filename,T_STRING);
SafeStringValue(filename);
c_filename=RSTRING_PTR(filename);
Check_Type(omode,T_FIXNUM);
c_omode=NUM2INT(omode);
status = nc_open(c_filename,c_omode,&ncid);
if(status !=NC_NOERR){NC_RAISE2(status,c_filename);}
ncfile = NetCDF_init(ncid,c_filename);
retval = Data_Wrap_Struct(cNetCDF,0,NetCDF_free,ncfile);
return( retval );
}
|
.open(filename, mode = "r", share = false) ⇒ Object Also known as: new
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 |
# File 'lib/numru/netcdf.rb', line 10 def NetCDF.open(filename,mode="r",share=false) call_create=false # false-> nc_open; true->nc_create case(mode) when "r","rb" # read only mode=NC_NOWRITE when "w","w+","wb","w+b" # overwrite if exits call_create=true mode=NC_CLOBBER when "a","a+","r+","ab","a+b","r+b" # append if exits if( File.exists?(filename) ) mode=NC_WRITE else call_create=true #(nonexsitent --> create) mode=NC_CLOBBER end else raise NetcdfError, "Mode #{mode} is not supported" end case(share) when false share=0 when true share=NC_SHARE else raise NetcdfError, "We can't use the sharing mode you typed" end omode = mode | share if(!call_create) nc_open(filename,omode) else nc_create(filename,omode) end end |
Instance Method Details
#==(fileb) ⇒ Object
Redifinition of the “==” and “eql?” methods
1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 |
# File 'ext/netcdfraw.c', line 1842
VALUE
NetCDF_eql(VALUE filea,VALUE fileb)
{
struct Netcdf *ncfilea;
struct Netcdf *ncfileb;
if( rb_obj_is_kind_of(fileb, cNetCDF) ){
Data_Get_Struct(filea,struct Netcdf,ncfilea);
Data_Get_Struct(fileb,struct Netcdf,ncfileb);
if(ncfilea->ncid == ncfileb->ncid &&
strcmp(ncfilea->name,ncfileb->name)==0){
return Qtrue;
} else {
return Qfalse;
}
} else {
return Qfalse;
}
}
|
#att(att_name) ⇒ Object
889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 |
# File 'ext/netcdfraw.c', line 889
VALUE
NetCDF_att(VALUE file,VALUE att_name)
{
int ncid;
int status;
int attnump;
char *c_att_name;
struct Netcdf *Netcdffile;
struct NetCDFAtt *Netcdf_att;
VALUE Attribute;
Data_Get_Struct(file,struct Netcdf,Netcdffile);
ncid=Netcdffile->ncid;
Check_Type(att_name,T_STRING);
c_att_name=RSTRING_PTR(att_name);
status = nc_inq_attid(ncid,NC_GLOBAL,c_att_name,&attnump);
if(status != NC_NOERR){
if(status == NC_ENOTATT){
return(Qnil);
}
else{
NC_RAISE(status);
}
}
Netcdf_att = NetCDF_att_init(ncid,NC_GLOBAL,c_att_name);
Attribute = Data_Wrap_Struct(cNetCDFAtt,0,Netcdf_att_free,Netcdf_att);
return Attribute;
}
|
#att_names ⇒ Object
205 206 207 208 209 210 211 212 213 |
# File 'lib/numru/netcdf.rb', line 205 def att_names num_att=natts() names=[] for attnum in 0..num_att-1 obj_Att=id2att(attnum) names=names+[obj_Att.name] end return names end |
#clone ⇒ Object
506 507 508 509 510 511 512 513 514 515 516 517 |
# File 'ext/netcdfraw.c', line 506
VALUE
NetCDF_clone(VALUE file)
{
VALUE clone;
struct Netcdf *nc1, *nc2;
Data_Get_Struct(file, struct Netcdf, nc1);
nc2 = NetCDF_init(nc1->ncid, nc1->name);
clone = Data_Wrap_Struct(cNetCDF, 0, NetCDF_free, nc2);
CLONESETUP(clone, file);
return clone;
}
|
#close ⇒ Object
558 559 560 |
# File 'ext/netcdfraw.c', line 558 VALUE NetCDF_close(file) VALUE file; |
#def_dim(dim_name, length) ⇒ Object
581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 |
# File 'ext/netcdfraw.c', line 581
VALUE
NetCDF_def_dim(VALUE file,VALUE dim_name,VALUE length)
{
char* c_dim_name;
size_t c_length;
int ncid;
int dimidp;
int status;
struct Netcdf *Netcdffile;
struct NetCDFDim *Netcdf_dim;
VALUE Dimension;
rb_secure(4);
Data_Get_Struct(file,struct Netcdf,Netcdffile);
Check_Type(dim_name,T_STRING);
c_dim_name=RSTRING_PTR(dim_name);
c_length=NUM2UINT(length);
ncid=Netcdffile->ncid;
status = nc_def_dim(ncid,c_dim_name,c_length,&dimidp);
if(status !=NC_NOERR) NC_RAISE(status);
Netcdf_dim = NetCDF_dim_init(ncid,dimidp);
Dimension = Data_Wrap_Struct(cNetCDFDim,0,NetCDF_dim_free,Netcdf_dim);
return Dimension;
}
|
#def_var(var_name, vartype, dimensions) ⇒ Object
763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 |
# File 'ext/netcdfraw.c', line 763
VALUE
NetCDF_def_var(VALUE file,VALUE var_name,VALUE vartype,VALUE dimensions)
{
int ncid;
char *c_var_name;
static int xtype;
long c_ndims;
int varidp;
int dimidp;
int i=0;
int status;
char *c_dim_name;
int c_dimids[NC_MAX_DIMS];
struct Netcdf *Netcdffile;
struct NetCDFVar *Netcdf_var;
struct NetCDFDim *Netcdf_dim;
VALUE Var;
rb_secure(4);
Check_Type(var_name,T_STRING);
Check_Type(dimensions,T_ARRAY);
c_var_name=RSTRING_PTR(var_name);
c_ndims=RARRAY_LEN(dimensions);
Data_Get_Struct(file,struct Netcdf,Netcdffile);
ncid=Netcdffile->ncid;
if (TYPE(vartype) == T_STRING){
xtype = natype2nctype(RSTRING_PTR(vartype));
} else if (TYPE(vartype) == T_FIXNUM){
xtype = natypecode2nctype(NUM2INT(vartype));
} else {
rb_raise(rb_eNetcdfError,
"type specfication must be by a string or nil");
}
for(i=0;i<c_ndims;i++){
switch(TYPE(RARRAY_PTR(dimensions)[c_ndims-1-i])){
case T_STRING:
Check_Type(RARRAY_PTR(dimensions)[c_ndims-1-i],T_STRING);
c_dim_name=StringValueCStr(RARRAY_PTR(dimensions)[c_ndims-1-i]);
status=nc_inq_dimid(ncid,c_dim_name,&dimidp);
if(status != NC_NOERR) NC_RAISE(status);
c_dimids[i]=dimidp;
break;
case T_DATA:
Data_Get_Struct(RARRAY_PTR(dimensions)[c_ndims-1-i],struct NetCDFDim,Netcdf_dim);
c_dimids[i]=Netcdf_dim->dimid;
break;
default:
rb_raise(rb_eNetcdfError, "No such object of the netCDF dimension class.");
}
}
status = nc_def_var(ncid,c_var_name,xtype,c_ndims,c_dimids,&varidp);
if(status != NC_NOERR) NC_RAISE(status);
Netcdf_var = NetCDF_var_init(ncid,varidp,file);
Var=Data_Wrap_Struct(cNetCDFVar,nc_mark_obj,NetCDF_var_free,Netcdf_var);
return Var;
}
|
#def_var_with_dim(name, vartype, shape_ul0, dimnames) ⇒ Object
114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 |
# File 'lib/numru/netcdf.rb', line 114 def def_var_with_dim(name, vartype, shape_ul0, dimnames) # Same as def_var but defines dimensions first if needed. # Use zero in shape to define an unlimited dimension. if (shape_ul0.length != dimnames.length ) then raise ArgumentError, 'lengths of shape and dimnames do not agree' end dims = [] dimnames.each_index{ |i| dim = self.dim( dimnames[i] ) if ( dim != nil ) then # dim exists --> check the length if (shape_ul0[i] != dim.length_ul0 ) then raise ArgumentError, "dimension length do not agree: #{i}th dim: "+\ "#{shape_ul0[i]} and #{dim.length_ul0}" end dims.push(dim) else # dim does not exist --> define it dims.push( def_dim( dimnames[i], shape_ul0[i] ) ) end } def_var(name, vartype, dims) end |
#define_mode? ⇒ Boolean
989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 |
# File 'ext/netcdfraw.c', line 989
VALUE
NetCDF_whether_in_define_mode(VALUE file)
{
/* returns true if the NetCDF object is currently in the define mode,
false if in the data mode, and
nil if else (possibly the file is read-only, or some other
error occurred)
*/
int ncid;
int status;
struct Netcdf *Netcdffile;
rb_secure(4);
Data_Get_Struct(file,struct Netcdf,Netcdffile);
ncid=Netcdffile->ncid;
status = nc_redef(ncid);
if(status == NC_EINDEFINE){
return Qtrue;
} else if(status == NC_NOERR) {
/* was in the data mode --> recover the data mode and report false */
status = nc_enddef(ncid);
if(status == NC_NOERR) {
return Qfalse;
} else {
return Qnil;
}
} else {
return Qnil;
}
}
|
#dim(dim_name) ⇒ Object
828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 |
# File 'ext/netcdfraw.c', line 828
VALUE
NetCDF_dim(VALUE file,VALUE dim_name)
{
int ncid;
char *c_dim_name;
int dimidp;
int status;
struct Netcdf *Netcdffile;
struct NetCDFDim *Netcdf_dim;
VALUE Dimension;
Data_Get_Struct(file,struct Netcdf,Netcdffile);
ncid=Netcdffile->ncid;
Check_Type(dim_name,T_STRING);
c_dim_name=RSTRING_PTR(dim_name);
status = nc_inq_dimid(ncid,c_dim_name,&dimidp);
if(status !=NC_NOERR){
if(status == NC_EBADDIM){
return(Qnil); /*2003/08/27 back to orig (from changes on 2003/02/03)*/
} else{
NC_RAISE(status);
}
}
Netcdf_dim=NetCDF_dim_init(ncid,dimidp);
Dimension = Data_Wrap_Struct(cNetCDFDim,0,NetCDF_dim_free,Netcdf_dim);
return Dimension;
}
|
#dim_names ⇒ Object
185 186 187 188 189 190 191 192 193 |
# File 'lib/numru/netcdf.rb', line 185 def dim_names num_dim=ndims() names=[] for dimid in 0..num_dim-1 obj_Dim=id2dim(dimid) names=names+[obj_Dim.name] end return names end |
#dims(names = nil) ⇒ Object
return all if names==nil
163 164 165 166 167 168 169 170 171 172 |
# File 'lib/numru/netcdf.rb', line 163 def dims( names=nil ) # return all if names==nil if names == nil dims = (0..ndims()-1).collect{|dimid| id2dim(dimid)} else raise TypeError, "names is not an array" if ! names.is_a?(Array) dims = names.collect{|name| dim(name)} raise ArgumentError, "One or more dimensions do not exist" if dims.include?(nil) end dims end |
#each_att ⇒ Object
155 156 157 158 159 160 161 |
# File 'lib/numru/netcdf.rb', line 155 def each_att num_att=natts() for attnum in 0..num_att-1 obj_Att=id2att(attnum) yield(obj_Att) end end |
#each_dim ⇒ Object
Iterators:
139 140 141 142 143 144 145 |
# File 'lib/numru/netcdf.rb', line 139 def each_dim num_dim=ndims() for dimid in 0..num_dim-1 obj_Dim=id2dim(dimid) yield(obj_Dim) end end |
#each_var ⇒ Object
147 148 149 150 151 152 153 |
# File 'lib/numru/netcdf.rb', line 147 def each_var num_var=nvars() for varid in 0..num_var-1 obj_Var=id2var(varid) yield(obj_Var) end end |
#enddef ⇒ Object
967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 |
# File 'ext/netcdfraw.c', line 967
VALUE
NetCDF_enddef(VALUE file)
{
int ncid;
int status;
struct Netcdf *Netcdffile;
rb_secure(4);
Data_Get_Struct(file,struct Netcdf,Netcdffile);
ncid=Netcdffile->ncid;
status = nc_enddef(ncid);
if(status !=NC_NOERR){
if(status == NC_ENOTINDEFINE){
return Qnil;
}
else{
NC_RAISE(status);
}
}
return Qtrue;
}
|
#fill(mode) ⇒ Object
922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 |
# File 'ext/netcdfraw.c', line 922
VALUE
NetCDF_fill(VALUE file,VALUE mode)
{
int ncid;
int status;
struct Netcdf *Netcdffile;
int old_modep;
Data_Get_Struct(file,struct Netcdf,Netcdffile);
ncid = Netcdffile->ncid;
if(mode==Qfalse){
status = nc_set_fill(ncid,NC_NOFILL,&old_modep);
if(status != NC_NOERR) NC_RAISE(status);
}
else if(mode == Qtrue){
status = nc_set_fill(ncid,NC_FILL,&old_modep);
if(status != NC_NOERR) NC_RAISE(status);
}
else
rb_raise(rb_eNetcdfError,"Usage:self.fill(true) or self.fill(false)");
return Qnil;
}
|
#inspect ⇒ Object
215 216 217 |
# File 'lib/numru/netcdf.rb', line 215 def inspect "NetCDF:"+path end |
#natts ⇒ Object
1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 |
# File 'ext/netcdfraw.c', line 1099
VALUE
NetCDF_natts(VALUE file)
{
int ncid;
int nattsp;
int status;
VALUE Integer;
struct Netcdf *ncfile;
Data_Get_Struct(file,struct Netcdf,ncfile);
ncid=ncfile->ncid;
status=nc_inq_natts(ncid,&nattsp);
if(status != NC_NOERR) NC_RAISE (status);
Integer = INT2NUM(nattsp);
return Integer;
}
|
#ndims ⇒ Object
1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 |
# File 'ext/netcdfraw.c', line 1066
VALUE
NetCDF_ndims(VALUE file)
{
int ncid;
int ndimsp;
VALUE Integer;
int status;
struct Netcdf *ncfile;
Data_Get_Struct(file,struct Netcdf,ncfile);
ncid=ncfile->ncid;
status = nc_inq_ndims(ncid,&ndimsp);
if(status != NC_NOERR) NC_RAISE (status);
Integer = INT2NUM(ndimsp);
return Integer;
}
|
#nvars ⇒ Object
1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 |
# File 'ext/netcdfraw.c', line 1083
VALUE
NetCDF_nvars(VALUE file)
{
int ncid;
int nvarsp;
int status;
VALUE Integer;
struct Netcdf *ncfile;
Data_Get_Struct(file,struct Netcdf,ncfile);
ncid=ncfile->ncid;
status = nc_inq_nvars(ncid,&nvarsp);
if(status != NC_NOERR) NC_RAISE (status);
Integer = INT2NUM(nvarsp);
return Integer;
}
|
#path ⇒ Object
1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 |
# File 'ext/netcdfraw.c', line 1160
VALUE
NetCDF_path(VALUE file)
{
char *path;
struct Netcdf *ncfile;
Data_Get_Struct(file,struct Netcdf,ncfile);
path=ncfile->name;
return(rb_str_new2(path));
}
|
#put_att(attname, val, atttype = nil) ⇒ Object
110 111 112 |
# File 'lib/numru/netcdf.rb', line 110 def put_att(attname,val,atttype=nil) put_attraw(attname,val,atttype) end |
#put_attraw ⇒ Object
atttype: nil or a String (“string”,“int”,etc). If nil,
the type of attribute is determined from the type of value
726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 |
# File 'ext/netcdfraw.c', line 726
VALUE
NetCDF_put_att(VALUE file,VALUE att_name,VALUE value,VALUE atttype)
/*
* atttype: nil or a String ("string","int",etc). If nil,
* the type of attribute is determined from the type of value
*/
{
struct Netcdf *ncfile;
char *name;
rb_secure(4);
Data_Get_Struct(file,struct Netcdf,ncfile);
Check_Type(att_name,T_STRING);
name = RSTRING_PTR(att_name);
return( NetCDF_put_att__(ncfile->ncid, name, value, atttype, NC_GLOBAL) );
}
|
#redef ⇒ Object
945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 |
# File 'ext/netcdfraw.c', line 945
VALUE
NetCDF_redef(VALUE file)
{
int ncid;
int status;
struct Netcdf *Netcdffile;
rb_secure(4);
Data_Get_Struct(file,struct Netcdf,Netcdffile);
ncid=Netcdffile->ncid;
status = nc_redef(ncid);
if(status !=NC_NOERR){
if(status == NC_EINDEFINE){
return Qnil;
}
else{
NC_RAISE(status);
}
}
return Qtrue;
}
|
#sync ⇒ Object
1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 |
# File 'ext/netcdfraw.c', line 1145
VALUE
NetCDF_sync(VALUE file)
{
int ncid;
int status;
struct Netcdf *ncfile;
rb_secure(4);
Data_Get_Struct(file,struct Netcdf,ncfile);
ncid=ncfile->ncid;
status = nc_sync(ncid);
if(status !=NC_NOERR) NC_RAISE (status);
return Qnil;
}
|
#unlimited ⇒ Object
1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 |
# File 'ext/netcdfraw.c', line 1116
VALUE
NetCDF_unlimited(VALUE file)
{
int ncid;
int unlimdimidp;
int status;
struct Netcdf *ncfile;
struct NetCDFDim *Netcdf_dim;
VALUE Dimension;
Data_Get_Struct(file,struct Netcdf,ncfile);
ncid=ncfile->ncid;
status=nc_inq_unlimdim(ncid,&unlimdimidp);
if(status !=NC_NOERR) NC_RAISE(status);
Netcdf_dim = NetCDF_dim_init(ncid,unlimdimidp);
/* If unlimdimidp=-1,No unlimited dimension is defined in the netCDF dataset */
if(unlimdimidp != -1)
{
Dimension = Data_Wrap_Struct(cNetCDFDim,0,NetCDF_dim_free,Netcdf_dim);
return Dimension;
}
else
{
return Qnil;
}
}
|
#var(var_name) ⇒ Object
859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 |
# File 'ext/netcdfraw.c', line 859
VALUE
NetCDF_var(VALUE file,VALUE var_name)
{
int ncid;
int status;
int varidp;
char *c_var_name;
struct Netcdf *Netcdffile;
struct NetCDFVar *Netcdf_var;
VALUE Variable;
Data_Get_Struct(file,struct Netcdf,Netcdffile);
ncid=Netcdffile->ncid;
Check_Type(var_name,T_STRING);
c_var_name=RSTRING_PTR(var_name);
status=nc_inq_varid(ncid,c_var_name,&varidp);
if(status != NC_NOERR){
if(status == NC_ENOTVAR){
return(Qnil); /*2003/08/27 back to orig (from changes on 2003/02/03)*/
} else{
NC_RAISE(status);
}
}
Netcdf_var = NetCDF_var_init(ncid,varidp,file);
Variable = Data_Wrap_Struct(cNetCDFVar,nc_mark_obj,NetCDF_var_free,Netcdf_var);
return Variable;
}
|
#var_names ⇒ Object
195 196 197 198 199 200 201 202 203 |
# File 'lib/numru/netcdf.rb', line 195 def var_names num_var=nvars() names=[] for varid in 0..num_var-1 obj_Var=id2var(varid) names=names+[obj_Var.name] end return names end |
#vars(names = nil) ⇒ Object
return all if names==nil
174 175 176 177 178 179 180 181 182 183 |
# File 'lib/numru/netcdf.rb', line 174 def vars( names=nil ) # return all if names==nil if names == nil vars = (0..nvars()-1).collect{ |varid| id2var(varid) } else raise TypeError, "names is not an array" if ! names.is_a?(Array) vars = names.collect{|name| var(name)} raise ArgumentError, "One or more variables do not exist" if vars.include?(nil) end vars end |