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5 | <title>initncdf.pro (SAXO Documentation Assistant)</title> |
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46 | <tr> |
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47 | <td width="10%"> |
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48 | <a href=""><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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52 | <a href="initncdfxxx.html"><img src="./../../next.gif" border="0" alt="Next"></a></td> |
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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">ToBeReviewed/INIT/</font></h1> |
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58 | <h2>initncdf.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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63 | |
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64 | Initfile for Netcdf file. define all the grid parameters through |
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65 | an appropriate call to computegid |
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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 | |
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71 | <a name="#_initncdf"></a> |
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72 | |
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73 | <h2>initncdf <font size="-1" color="#006633"> |
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74 | Grid |
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75 | </font></h2> |
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76 | |
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77 | <p><font face="Courier">initncdf<i>, <a href="#_initncdf_keyword_ncfilein">ncfilein</a></i>, <a href="#_initncdf_keyword_XAXISNAME">XAXISNAME</a>=<i>scalar string</i>, <a href="#_initncdf_keyword_YAXISNAME">YAXISNAME</a>=<i>scalar string</i>, <a href="#_initncdf_keyword_ZAXISNAME">ZAXISNAME</a>=<i>scalar string</i>, <a href="#_initncdf_keyword_MASKNAME">MASKNAME</a>=<i>string</i>, <a href="#_initncdf_keyword_INVMASK">INVMASK</a>=<i>scalar: 0 or 1</i>, <a href="#_initncdf_keyword_USEASMASK">USEASMASK</a>=<i>scalar string</i>, <a href="#_initncdf_keyword_MISSING_VALUE">MISSING_VALUE</a>=<i>scalar</i>, <a href="#_initncdf_keyword_START1">START1</a>=<i>scalar: 0 or 1</i>, <a href="#_initncdf_keyword_XYINDEX">XYINDEX</a>=<i>scalar: 0 or 1</i>, <a href="#_initncdf_keyword_ZINDEX">ZINDEX</a>=<i>scalar: 0 or 1</i>, <a href="#_initncdf_keyword__EXTRA">_EXTRA</a>=<i>_EXTRA</i></font></p> |
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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 | |
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85 | <h3>Parameters</h3> |
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86 | |
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87 | |
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88 | <a name="#_initncdf_keyword_ncfilein"></a> |
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89 | <h4>ncfilein |
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90 | <font size="-1" color="#006633">in</font> |
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91 | |
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92 | |
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93 | <font size="-1" color="#006633">required</font> |
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94 | |
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95 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>scalar string</i></font> |
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96 | |
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97 | |
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98 | </h4> |
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99 | |
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100 | |
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101 | A string giving the name of the NetCdf file |
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102 | |
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103 | |
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104 | |
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105 | |
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106 | |
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107 | <h3>Keywords</h3> |
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108 | |
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109 | |
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110 | <a name="#_initncdf_keyword_XAXISNAME"></a> |
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111 | <h4>XAXISNAME |
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112 | |
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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 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>scalar string</i></font> |
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118 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>'x', 'longitude', 'nav_lon', 'lon', 'lon_rho' or 'NbLongitudes'</i></font> |
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119 | |
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120 | </h4> |
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121 | |
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122 | |
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123 | A string giving the name of the variable in the file |
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124 | that contains the [xyz]axis. |
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125 | |
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126 | |
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127 | <a name="#_initncdf_keyword_YAXISNAME"></a> |
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128 | <h4>YAXISNAME |
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129 | |
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130 | |
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131 | |
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132 | |
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133 | |
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134 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>scalar string</i></font> |
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135 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>'y', 'latitude', 'nav_lat','lat', 'lat_rho' or 'NbLatitudes'</i></font> |
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136 | |
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137 | </h4> |
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138 | |
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139 | |
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140 | A string giving the name of the variable in the file |
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141 | that contains the [xyz]axis. |
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142 | |
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143 | |
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144 | <a name="#_initncdf_keyword_ZAXISNAME"></a> |
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145 | <h4>ZAXISNAME |
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146 | |
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147 | |
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148 | |
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149 | |
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150 | |
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151 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>scalar string</i></font> |
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152 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>'z', 'level', 'lev', 'depth...'</i></font> |
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153 | |
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154 | </h4> |
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155 | |
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156 | |
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157 | A string giving the name of the variable in the file |
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158 | that contains the [xyz]axis. |
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159 | |
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160 | |
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161 | <a name="#_initncdf_keyword_MASKNAME"></a> |
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162 | <h4>MASKNAME |
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163 | |
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164 | |
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165 | |
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166 | |
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167 | |
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168 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>string</i></font> |
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169 | |
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170 | |
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171 | </h4> |
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172 | |
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173 | |
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174 | A string giving the name of the variable in the file |
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175 | that contains the land/sea mask |
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176 | |
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177 | |
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178 | <a name="#_initncdf_keyword_INVMASK"></a> |
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179 | <h4>INVMASK |
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180 | |
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181 | |
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182 | |
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183 | |
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184 | |
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185 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>scalar: 0 or 1</i></font> |
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186 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>0</i></font> |
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187 | |
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188 | </h4> |
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189 | |
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190 | |
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191 | Inverse the land/sea mask (that should have 0/1 values for land/sea): mask = 1-mask |
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192 | |
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193 | |
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194 | <a name="#_initncdf_keyword_USEASMASK"></a> |
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195 | <h4>USEASMASK |
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196 | |
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197 | |
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198 | |
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199 | |
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200 | |
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201 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>scalar string</i></font> |
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202 | |
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203 | |
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204 | </h4> |
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205 | |
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206 | |
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207 | A string giving the name of the variable in the file |
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208 | that will be used to build the land/sea mask. In this case the |
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209 | mask is based on the first record (if record dimension |
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210 | exists). The mask is build according to : |
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211 | 1 the keyword missing_value if existing |
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212 | 2 the attribute 'missing_value' if existing |
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213 | 3 NaN values if existing |
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214 | |
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215 | |
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216 | <a name="#_initncdf_keyword_MISSING_VALUE"></a> |
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217 | <h4>MISSING_VALUE |
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218 | |
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219 | |
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220 | |
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221 | |
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222 | |
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223 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>scalar</i></font> |
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224 | |
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225 | |
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226 | </h4> |
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227 | |
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228 | |
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229 | To define (or redefine if the attribute is |
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230 | already existing) the missing values used with USEASMASK |
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231 | keyword |
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232 | |
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233 | |
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234 | <a name="#_initncdf_keyword_START1"></a> |
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235 | <h4>START1 |
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236 | |
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237 | |
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238 | |
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239 | |
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240 | |
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241 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>scalar: 0 or 1</i></font> |
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242 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>0</i></font> |
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243 | |
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244 | </h4> |
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245 | |
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246 | |
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247 | Index the axis from 1 instead of 0 when using |
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248 | /xyindex and/or zindex |
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249 | |
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250 | |
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251 | <a name="#_initncdf_keyword_XYINDEX"></a> |
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252 | <h4>XYINDEX |
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253 | |
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254 | |
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255 | |
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256 | |
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257 | |
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258 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>scalar: 0 or 1</i></font> |
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259 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>0</i></font> |
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260 | |
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261 | </h4> |
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262 | |
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263 | |
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264 | To define the x/y axis with index instead of using |
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265 | the values contained in X/YAXISNAME. |
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266 | x/yaxis = keyword_set(start1) + findgen(jpi/jpj) |
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267 | this forces key_onearth = 0 |
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268 | |
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269 | |
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270 | <a name="#_initncdf_keyword_ZINDEX"></a> |
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271 | <h4>ZINDEX |
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272 | |
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273 | |
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274 | |
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275 | |
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276 | |
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277 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>scalar: 0 or 1</i></font> |
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278 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>0</i></font> |
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279 | |
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280 | </h4> |
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281 | |
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282 | |
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283 | To define the z axis with index instead of using |
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284 | the values contained in ZAXISNAME. |
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285 | zaxis = keyword_set(start1) + findgen(jpk) |
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286 | |
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287 | |
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288 | <a name="#_initncdf_keyword__EXTRA"></a> |
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289 | <h4>_EXTRA |
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290 | |
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291 | |
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292 | |
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293 | |
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294 | |
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295 | |
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296 | |
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297 | |
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298 | </h4> |
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299 | |
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300 | |
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301 | Used to pass keywords to computegrid |
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302 | |
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303 | |
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304 | |
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305 | |
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306 | <h3>Examples</h3> |
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307 | IDL> initncdf,'toto.nc',glam=[-180,180] |
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308 | |
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309 | <h3>Version history</h3> |
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310 | |
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311 | <h4>Version</h4> |
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312 | $Id: initncdf.pro 172 2006-09-11 07:11:26Z smasson $ |
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313 | |
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314 | <h4>History</h4> |
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315 | Sebastien Masson (smasson@lodyc.jussieu.fr) |
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316 | 8 May 2002 |
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317 | |
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318 | |
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319 | |
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320 | <h3>Known issues</h3> |
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321 | |
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322 | |
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323 | |
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324 | <h4>Restrictions</h4> |
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325 | Change the grid parameters (see computegrid) |
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326 | |
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327 | |
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328 | the file must contain an x and an y axis. (1 ou 2 dimentional array) |
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329 | |
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330 | |
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331 | <h3>Other attributes</h3> |
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332 | |
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333 | |
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334 | <h4>Uses routines</h4> |
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335 | common.pro |
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336 | |
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337 | |
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338 | |
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339 | |
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340 | |
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341 | <font size="-3"><p> </p></font> |
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342 | <hr size="1" color="#CCCCCC"/> |
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343 | |
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344 | |
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345 | |
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346 | |
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347 | <p><font color="gray" size="-3"> Produced by IDLdoc 2.0 on Wed Sep 13 16:32:39 2006.</font></p> |
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348 | |
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349 | </body> |
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350 | </html> |
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