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| 3 | <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> |
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| 4 | <head> |
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| 5 | <title>cutpar.pro (SAXO Documentation Assistant)</title> |
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| 6 | </head> |
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| 7 | |
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| 8 | <body text="#000000" bgcolor="#FFFFFF"> |
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| 39 | title : |
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| 41 | user : |
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| 43 | |
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| 44 | |
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| 45 | <table border="0" cellpadding="0" cellspacing="0" width="98%" bgcolor="#F0F0FF" valign="bottom"> |
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| 46 | <tr> |
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| 47 | <td width="10%"> |
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| 48 | <a href="compute_fromreg_imoms3_weigaddr.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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| 52 | <a href="cutsegment.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">Interpolation/</font></h1> |
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| 58 | <h2>cutpar.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 | cut p parallelogram(s) into p*n^2 parallelograms |
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| 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="#_cutpar"></a> |
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| 71 | |
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| 72 | <h2>cutpar <font size="-1" color="#006633"> basic work |
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| 73 | </font></h2> |
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| 74 | |
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| 75 | <p><font face="Courier"><i>result = </i>cutpar(<i><a href="#_cutpar_keyword_x0">x0</a>, <a href="#_cutpar_keyword_y0">y0</a>, <a href="#_cutpar_keyword_x1">x1</a>, <a href="#_cutpar_keyword_y1">y1</a>, <a href="#_cutpar_keyword_x2">x2</a>, <a href="#_cutpar_keyword_y2">y2</a>, <a href="#_cutpar_keyword_x3">x3</a>, <a href="#_cutpar_keyword_y3">y3</a>, <a href="#_cutpar_keyword_n">n</a></i>, <a href="#_cutpar_keyword_ENDPOINTS">ENDPOINTS</a>=<i>ENDPOINTS</i>, <a href="#_cutpar_keyword_ONSPHERE">ONSPHERE</a>=<i>ONSPHERE</i>)</font></p> |
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| 76 | |
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| 77 | |
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| 78 | |
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| 79 | |
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| 80 | <h3>Return value</h3> |
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| 81 | - default: a 3d array(2,n^2,p) giving the center position of each |
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| 82 | piece of the parallelograms |
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| 83 | - if /ENDPOINTS : a 3d array(2,(n+1)^2,p) giving the edge positions |
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| 84 | of each piece of the parallelograms |
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| 85 | |
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| 86 | |
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| 87 | |
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| 88 | <h3>Parameters</h3> |
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| 89 | |
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| 90 | |
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| 91 | <a name="#_cutpar_keyword_x0"></a> |
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| 92 | <h4>x0 |
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| 93 | <font size="-1" color="#006633">in</font> |
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| 94 | |
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| 95 | |
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| 96 | <font size="-1" color="#006633">required</font> |
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| 97 | |
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| 98 | |
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| 99 | |
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| 100 | |
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| 101 | </h4> |
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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 | <a name="#_cutpar_keyword_y0"></a> |
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| 107 | <h4>y0 |
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| 108 | <font size="-1" color="#006633">in</font> |
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| 109 | |
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| 110 | |
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| 111 | <font size="-1" color="#006633">required</font> |
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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 | </h4> |
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| 117 | |
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| 118 | |
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| 119 | |
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| 120 | |
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| 121 | <a name="#_cutpar_keyword_x1"></a> |
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| 122 | <h4>x1 |
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| 123 | <font size="-1" color="#006633">in</font> |
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| 124 | |
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| 125 | |
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| 126 | <font size="-1" color="#006633">required</font> |
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| 127 | |
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| 128 | |
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| 129 | |
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| 130 | |
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| 131 | </h4> |
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| 132 | |
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| 133 | |
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| 134 | |
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| 135 | |
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| 136 | <a name="#_cutpar_keyword_y1"></a> |
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| 137 | <h4>y1 |
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| 138 | <font size="-1" color="#006633">in</font> |
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| 139 | |
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| 140 | |
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| 141 | <font size="-1" color="#006633">required</font> |
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| 142 | |
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| 143 | |
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| 144 | |
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| 145 | |
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| 146 | </h4> |
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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 | <a name="#_cutpar_keyword_x2"></a> |
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| 152 | <h4>x2 |
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| 153 | <font size="-1" color="#006633">in</font> |
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| 154 | |
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| 155 | |
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| 156 | <font size="-1" color="#006633">required</font> |
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| 157 | |
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| 158 | |
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| 159 | |
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| 160 | |
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| 161 | </h4> |
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| 162 | |
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| 163 | |
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| 164 | |
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| 165 | |
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| 166 | <a name="#_cutpar_keyword_y2"></a> |
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| 167 | <h4>y2 |
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| 168 | <font size="-1" color="#006633">in</font> |
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| 169 | |
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| 170 | |
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| 171 | <font size="-1" color="#006633">required</font> |
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| 172 | |
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| 173 | |
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| 174 | |
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| 175 | |
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| 176 | </h4> |
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| 177 | |
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| 178 | |
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| 179 | |
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| 180 | |
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| 181 | <a name="#_cutpar_keyword_x3"></a> |
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| 182 | <h4>x3 |
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| 183 | <font size="-1" color="#006633">in</font> |
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| 184 | |
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| 185 | |
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| 186 | <font size="-1" color="#006633">required</font> |
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| 187 | |
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| 188 | |
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| 189 | |
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| 190 | |
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| 191 | </h4> |
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| 192 | |
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| 193 | |
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| 194 | |
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| 195 | |
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| 196 | <a name="#_cutpar_keyword_y3"></a> |
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| 197 | <h4>y3 |
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| 198 | <font size="-1" color="#006633">in</font> |
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| 199 | |
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| 200 | |
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| 201 | <font size="-1" color="#006633">required</font> |
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| 202 | |
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| 203 | |
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| 204 | |
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| 205 | |
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| 206 | </h4> |
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| 207 | |
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| 208 | |
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| 209 | 1d arrays of p elements, giving the edge positions. |
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| 210 | The edges must be given as in plot to draw the parallelogram. (see example). |
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| 211 | |
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| 212 | |
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| 213 | |
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| 214 | <a name="#_cutpar_keyword_n"></a> |
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| 215 | <h4>n |
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| 216 | <font size="-1" color="#006633">in</font> |
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| 217 | |
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| 218 | |
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| 219 | <font size="-1" color="#006633">required</font> |
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| 220 | |
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| 221 | |
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| 222 | |
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| 223 | |
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| 224 | </h4> |
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| 225 | |
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| 226 | |
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| 227 | each parallelogram will be cut in n^2 pieces |
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| 228 | |
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| 229 | |
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| 230 | |
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| 231 | |
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| 232 | |
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| 233 | <h3>Keywords</h3> |
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| 234 | |
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| 235 | |
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| 236 | <a name="#_cutpar_keyword_ENDPOINTS"></a> |
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| 237 | <h4>ENDPOINTS |
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| 238 | |
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| 239 | |
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| 240 | |
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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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| 246 | </h4> |
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| 247 | |
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| 248 | |
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| 249 | see outputs |
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| 250 | |
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| 251 | |
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| 252 | <a name="#_cutpar_keyword_ONSPHERE"></a> |
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| 253 | <h4>ONSPHERE |
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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 | |
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| 259 | |
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| 260 | |
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| 261 | |
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| 262 | </h4> |
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| 263 | |
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| 264 | |
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| 265 | to specify that the points are located on a |
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| 266 | sphere. In this case, x and y corresponds to longitude and |
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| 267 | latitude in degrees. |
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| 268 | |
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| 269 | |
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| 270 | |
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| 271 | |
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| 272 | <h3>Examples</h3> |
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| 273 | |
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| 274 | IDL> x0 = [2,6,2] |
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| 275 | IDL> y0 = [0,2,6] |
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| 276 | IDL> x1 = [3,8,4] |
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| 277 | IDL> y1 = [4,4,6] |
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| 278 | IDL> x2 = [1,6,4] |
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| 279 | IDL> y2 = [5,6,8] |
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| 280 | IDL> x3 = [0,4,2] |
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| 281 | IDL> y3 = [1,4,8] |
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| 282 | IDL> n = 4 |
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| 283 | IDL> splot, [0,10], [0,10], xstyle = 1, ystyle = 1,/nodata |
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| 284 | IDL> for i=0,2 do oplot, [x0[i],x1[i],x2[i],x3[i],x0[i]],[y0[i],y1[i],y2[i],y3[i],y0[i]] |
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| 285 | IDL> res=cutpar(x0, y0, x1, y1, x2, y2, x3, y3, n) |
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| 286 | IDL> for i=0,2 do oplot, [res[0,*,i]], [res[1,*,i]], color = 20+10*i, psym = 1, thick = 3 |
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| 287 | |
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| 288 | <h3>Version history</h3> |
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| 289 | |
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| 290 | <h4>Version</h4> $Id: cutpar.pro 136 2006-07-10 15:20:19Z pinsard $ |
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| 291 | |
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| 292 | <h4>History</h4> |
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| 293 | S. Masson (smasson@lodyc.jussieu.fr) |
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| 294 | July 5th, 2002 |
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| 295 | |
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| 299 | |
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| 301 | |
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| 302 | |
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| 303 | |
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| 304 | <h3>Other attributes</h3> |
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| 305 | |
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| 306 | |
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| 307 | <h4>Uses routines</h4> cutsegment.pro |
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| 308 | |
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| 309 | |
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| 310 | |
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| 311 | |
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| 312 | |
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| 313 | <font size="-3"><p> </p></font> |
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| 314 | <hr size="1" color="#CCCCCC"/> |
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| 315 | |
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| 316 | |
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| 317 | |
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| 318 | |
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| 319 | <p><font color="gray" size="-3"> Produced by IDLdoc 2.0 on Tue Aug 29 14:49:16 2006.</font></p> |
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| 320 | |
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| 321 | </body> |
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| 322 | </html> |
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