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| 5 | <title>ncdf_meshread.pro (SAXO Documentation Assistant)</title> |
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| 47 | <td width="10%"> |
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| 48 | <a href="n80gaussian.html"><img src="./../prev.gif" border="0" alt="Previous"></a></td> |
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| 49 | <td width="80%" align="center" valign="center"> |
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| 50 | <font size=-1><i>SAXO Documentation Assistant</i>: <a href="./../home.html">Overview</a></font></td> |
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| 51 | <td width="10%" align="right"> |
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[177] | 52 | <a href="ncdf_meshroms.html"><img src="./../next.gif" border="0" alt="Next"></a></td> |
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[163] | 53 | </tr> |
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| 54 | </table> |
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| 55 | |
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| 56 | |
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| 57 | <h1><font size="-2">Grid/</font></h1> |
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| 58 | <h2>ncdf_meshread.pro</h2> |
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| 59 | |
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| 60 | <dl> |
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| 61 | </dl> |
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| 62 | |
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[234] | 63 | |
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| 64 | read NetCDF meshmask file created by OPA |
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[163] | 65 | |
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| 66 | |
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| 67 | |
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| 68 | |
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| 69 | |
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| 70 | <a name="#_ncdf_meshread"></a> |
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| 71 | |
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[234] | 72 | <h2>ncdf_meshread <font size="-1" color="#006633"> |
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[163] | 73 | Grid |
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| 74 | </font></h2> |
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| 75 | |
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[177] | 76 | <p><font face="Courier">ncdf_meshread<i>[, <a href="#_ncdf_meshread_keyword_filename">filename</a>]</i>, <a href="#_ncdf_meshread_keyword_GLAMBOUNDARY">GLAMBOUNDARY</a>=<i>2 elements vector</i>, <a href="#_ncdf_meshread_keyword_CHECKDAT">CHECKDAT</a>=<i>CHECKDAT</i>, <a href="#_ncdf_meshread_keyword_ONEARTH">ONEARTH</a>=<i>scalar: 0 or 1</i>, <a href="#_ncdf_meshread_keyword_GETDIMENSIONS">GETDIMENSIONS</a>=<i>scalar: 0 or 1</i>, <a href="#_ncdf_meshread_keyword_PERIODIC">PERIODIC</a>=<i>scalar: 0 or 1</i>, <a href="#_ncdf_meshread_keyword_SHIFT">SHIFT</a>=<i>scalar</i>, <a href="#_ncdf_meshread_keyword_STRIDE">STRIDE</a>=<i>3 elements vector</i>, <a href="#_ncdf_meshread_keyword_STRCALLING">STRCALLING</a>=<i>scalar string</i>, <a href="#_ncdf_meshread_keyword__EXTRA">_EXTRA</a>=<i>_EXTRA</i></font></p> |
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[163] | 77 | |
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| 78 | |
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| 79 | |
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| 80 | |
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| 81 | |
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| 82 | |
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| 83 | |
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| 84 | <h3>Parameters</h3> |
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| 85 | |
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| 86 | |
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| 87 | <a name="#_ncdf_meshread_keyword_filename"></a> |
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| 88 | <h4>filename |
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| 89 | <font size="-1" color="#006633">in</font> |
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| 90 | |
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| 91 | <font size="-1" color="#006633">optional</font> |
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| 92 | |
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| 93 | |
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[177] | 94 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>scalar string</i></font> |
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| 95 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>'meshmask.nc'</i></font> |
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[163] | 96 | |
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| 97 | </h4> |
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| 98 | |
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[177] | 99 | |
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| 100 | Name of the meshmask file to read. If this name does not contain any "/" |
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[321] | 101 | and if iodirectory keyword is not specified, then the common variable |
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[290] | 102 | iodir will be used to define the mesh file path. |
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[163] | 103 | |
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| 104 | |
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| 105 | |
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| 106 | |
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| 107 | |
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| 108 | <h3>Keywords</h3> |
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| 109 | |
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| 110 | |
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| 111 | <a name="#_ncdf_meshread_keyword_GLAMBOUNDARY"></a> |
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| 112 | <h4>GLAMBOUNDARY |
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| 113 | |
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| 114 | |
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| 115 | |
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| 116 | |
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| 117 | |
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[177] | 118 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>2 elements vector</i></font> |
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| 119 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>those defined in the file</i></font> |
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[163] | 120 | |
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| 121 | </h4> |
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| 122 | |
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[177] | 123 | |
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| 124 | Longitude boundaries that should be used to visualize the data. |
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[163] | 125 | lon2 > lon1 |
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| 126 | lon2 - lon1 le 360 |
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[177] | 127 | By default, the common (cm_4mesh) variable key_shift will be automatically |
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| 128 | defined according to GLAMBOUNDARY. |
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[163] | 129 | |
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| 130 | |
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| 131 | <a name="#_ncdf_meshread_keyword_CHECKDAT"></a> |
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| 132 | <h4>CHECKDAT |
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| 133 | |
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| 134 | |
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| 135 | |
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| 136 | |
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| 137 | |
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| 138 | |
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| 139 | |
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| 140 | |
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| 141 | </h4> |
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| 142 | |
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[234] | 143 | |
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[290] | 144 | Suppressed. Use <a href="..//Grid/micromeshmask.html">micromeshmask</a> to create an appropriate meshmask. |
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[163] | 145 | |
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| 146 | |
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| 147 | <a name="#_ncdf_meshread_keyword_ONEARTH"></a> |
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| 148 | <h4>ONEARTH |
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| 149 | |
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| 150 | |
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| 151 | |
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| 152 | |
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| 153 | |
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[177] | 154 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>scalar: 0 or 1</i></font> |
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| 155 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>1</i></font> |
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[163] | 156 | |
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| 157 | </h4> |
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| 158 | |
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| 159 | |
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[177] | 160 | Force the manual definition of data localization on the earth or not |
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| 161 | 0) if the data are not on the earth |
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| 162 | 1) if the data are on earth (in that case we can for example use |
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| 163 | the labels 'longitude', 'latitude' in plots). |
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| 164 | The resulting value will be stored in the common (cm_4mesh) variable key_onearth |
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[338] | 165 | ONEARTH=0 forces PERIODIC=0, SHIFT=0 and is cancelling GLAMBOUNDARY |
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[163] | 166 | |
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| 167 | |
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| 168 | <a name="#_ncdf_meshread_keyword_GETDIMENSIONS"></a> |
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| 169 | <h4>GETDIMENSIONS |
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| 170 | |
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| 171 | |
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| 172 | |
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| 173 | |
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| 174 | |
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[177] | 175 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>scalar: 0 or 1</i></font> |
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| 176 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>0</i></font> |
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[163] | 177 | |
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| 178 | </h4> |
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| 179 | |
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| 180 | |
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| 181 | Activate this keywords if you only want to know the dimension |
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[290] | 182 | of the domain stored in the mesh file. This dimension will be |
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[163] | 183 | defined in jpiglo, jpjglo, jpkglo (cm_4mesh common variables) |
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| 184 | |
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| 185 | |
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| 186 | <a name="#_ncdf_meshread_keyword_PERIODIC"></a> |
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| 187 | <h4>PERIODIC |
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| 188 | |
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| 189 | |
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| 190 | |
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| 191 | |
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| 192 | |
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[177] | 193 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>scalar: 0 or 1</i></font> |
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| 194 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>computed by using the first line of glamt</i></font> |
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[163] | 195 | |
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| 196 | </h4> |
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| 197 | |
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| 198 | |
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[177] | 199 | Force the manual definition of the grid zonal periodicity. |
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| 200 | The resulting value will be stored in the common (cm_4mesh) variable key_periodic |
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[338] | 201 | PERIODIC=0 forces SHIFT=0 |
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[163] | 202 | |
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| 203 | |
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| 204 | <a name="#_ncdf_meshread_keyword_SHIFT"></a> |
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| 205 | <h4>SHIFT |
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| 206 | |
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| 207 | |
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| 208 | |
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| 209 | |
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| 210 | |
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[177] | 211 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>scalar</i></font> |
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| 212 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>computed according to glamboundary</i></font> |
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[163] | 213 | |
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| 214 | </h4> |
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| 215 | |
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| 216 | |
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[234] | 217 | Force the manual definition of the zonal shift that must be apply to the data. |
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[177] | 218 | The resulting value will be stored in the common (cm_4mesh) variable key_shift |
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| 219 | Note that if key_periodic=0 then in any case key_shift = 0. |
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[163] | 220 | |
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| 221 | |
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| 222 | <a name="#_ncdf_meshread_keyword_STRIDE"></a> |
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| 223 | <h4>STRIDE |
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| 224 | |
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| 225 | |
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| 226 | |
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| 227 | |
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| 228 | |
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[177] | 229 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>3 elements vector</i></font> |
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| 230 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>[1, 1, 1]</i></font> |
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[163] | 231 | |
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| 232 | </h4> |
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| 233 | |
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[177] | 234 | |
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| 235 | Specify the stride in x, y and z direction. The resulting |
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| 236 | value will be stored in the common (cm_4mesh) variable key_stride |
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[163] | 237 | |
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| 238 | |
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| 239 | <a name="#_ncdf_meshread_keyword_STRCALLING"></a> |
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| 240 | <h4>STRCALLING |
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| 241 | |
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| 242 | |
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| 243 | |
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| 244 | |
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| 245 | |
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[177] | 246 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>scalar string</i></font> |
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[163] | 247 | |
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| 248 | |
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| 249 | </h4> |
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| 250 | |
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| 251 | |
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[290] | 252 | the calling command used to call <a href="..//Grid/computegrid.html">computegrid</a> (this is used by <a href="..//ToBeReviewed/WIDGET/xxx.html">xxx</a>) |
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[163] | 253 | |
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| 254 | |
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| 255 | <a name="#_ncdf_meshread_keyword__EXTRA"></a> |
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| 256 | <h4>_EXTRA |
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| 257 | |
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| 258 | |
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| 259 | |
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| 260 | |
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| 261 | |
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| 262 | |
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| 263 | |
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| 264 | |
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| 265 | </h4> |
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| 266 | |
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[234] | 267 | |
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[242] | 268 | Used to pass keywords to <a href="..//Utilities/isafile.html">isafile</a> |
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[163] | 269 | |
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| 270 | |
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| 271 | |
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| 272 | |
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[234] | 273 | <h3>Examples</h3><pre> |
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[163] | 274 | |
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[402] | 275 | IDL> ncdf_meshread [,' filename'] |
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| 276 | |
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[234] | 277 | </pre><h3>Version history</h3> |
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[163] | 278 | |
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[234] | 279 | <h4>Version</h4> |
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[402] | 280 | $Id: ncdf_meshread.pro 371 2008-08-07 09:32:02Z pinsard $ |
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[163] | 281 | |
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[234] | 282 | <h4>History</h4> |
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| 283 | Sebastien Masson (smasson@lodyc.jussieu.fr) |
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[163] | 284 | 12/1999 |
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| 285 | July 2004, Sebastien Masson: Several modifications (micromeshmask, |
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| 286 | clean partial steps, clean use of key_stride, automatic definition |
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| 287 | of key_shift, ...) |
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| 288 | Oct. 2004, Sebastien Masson: add PERIODIC and SHIFT |
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| 289 | Aug. 2005, Sebastien Masson: some cleaning + english |
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| 290 | |
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| 291 | |
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| 292 | |
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| 293 | <h3>Known issues</h3> |
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| 294 | |
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| 295 | |
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| 296 | |
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[177] | 297 | <h4>Restrictions</h4> |
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[290] | 298 | ixminmesh, ixmaxmesh, iyminmesh, iymaxmesh, izminmesh, izmaxmesh must |
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| 299 | be defined before calling ncdf_meshread. If some of those values |
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[234] | 300 | are equal to -1 they will be automatically defined |
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[163] | 301 | |
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| 302 | |
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| 303 | <h3>Other attributes</h3> |
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| 304 | |
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| 305 | |
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[234] | 306 | <h4>Uses routines</h4> |
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[402] | 307 | <a href="..//Commons/cm_4mesh.html">cm_4mesh</a> |
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| 308 | <a href="..//Commons/cm_4data.html">cm_4data</a> |
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| 309 | <a href="..//Commons/cm_4cal.html">cm_4cal</a> |
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[163] | 310 | |
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| 311 | |
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| 312 | |
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| 313 | |
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| 314 | |
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| 315 | <font size="-3"><p> </p></font> |
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| 316 | <hr size="1" color="#CCCCCC"/> |
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| 317 | |
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[187] | 321 | <p><font color="gray" size="-3"> Produced by IDLdoc 2.0.</font></p> |
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[163] | 322 | |
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| 323 | </body> |
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[249] | 324 | </html> |
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