- Timestamp:
- 06/19/06 15:20:37 (18 years ago)
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trunk/SRC/Documentation/idldoc_html_output/Interpolation/fromirr.html
r112 r113 717 717 718 718 <p class="header"> 719 <span class="result">result = </span>fromirr(<span class="result"><a href="#_fromirr_param_method">method</a>, <a href="#_fromirr_param_datain">datain</a> [, <a href="#_fromirr_param_lonin">lonin</a>][, <a href="#_fromirr_param_latin">latin</a>][, <a href="#_fromirr_param_mskin">mskin</a>][, <a href="#_fromirr_param_lonout">lonout</a>][, <a href="#_fromirr_param_latout">latout</a>][, <a href="#_fromirr_param_mskout">mskout</a>]</span>, <a href="#_fromirr_keyword_WEIG">WEIG</a>=<span class="result">WEIG</span>, <a href="#_fromirr_keyword_ADDR">ADDR</a>=<span class="result">ADDR</span>)</p>719 <span class="result">result = </span>fromirr(<span class="result"><a href="#_fromirr_param_method">method</a>, <a href="#_fromirr_param_datain">datain</a>, <a href="#_fromirr_param_lonin">lonin</a>, <a href="#_fromirr_param_latin">latin</a>, <a href="#_fromirr_param_mskin">mskin</a>, <a href="#_fromirr_param_lonout">lonout</a>, <a href="#_fromirr_param_latout">latout</a>, <a href="#_fromirr_param_mskout">mskout</a></span>, <a href="#_fromirr_keyword_WEIG">WEIG</a>=<span class="result">WEIG</span>, <a href="#_fromirr_keyword_ADDR">ADDR</a>=<span class="result">ADDR</span>)</p> 720 720 721 721 <div class="comments"> … … 758 758 <span class="attr">in</span> 759 759 760 <span class="attr">optional</span>761 760 761 <span class="attr">required</span> 762 762 763 763 … … 766 766 </h4> 767 767 768 <div class="comments"> a 2D array defining the longitude of the input data 769 optionals if WEIG and ADDR keywords used.</div> 768 <div class="comments"> a 2D array defining the longitude of the input data</div> 770 769 771 770 <h4 id="_fromirr_param_latin">latin 772 771 <span class="attr">in</span> 773 772 774 <span class="attr">optional</span>775 773 774 <span class="attr">required</span> 776 775 777 776 … … 780 779 </h4> 781 780 782 <div class="comments"> a 2D array defining the latitude of the input data. 783 optionals if WEIG and ADDR keywords used.</div> 781 <div class="comments"> a 2D array defining the latitude of the input data.</div> 784 782 785 783 <h4 id="_fromirr_param_mskin">mskin 786 784 <span class="attr">in</span> 787 785 788 <span class="attr">optional</span>789 786 787 <span class="attr">required</span> 790 788 791 789 … … 799 797 <span class="attr">in</span> 800 798 801 <span class="attr">optional</span>802 799 800 <span class="attr">required</span> 803 801 804 802 … … 807 805 </h4> 808 806 809 <div class="comments"> 1D or 2D array defining the longitude of the output data. 810 optionals if WEIG and ADDR keywords used.</div> 807 <div class="comments"> 1D or 2D array defining the longitude of the output data.</div> 811 808 812 809 <h4 id="_fromirr_param_latout">latout 813 810 <span class="attr">in</span> 814 811 815 <span class="attr">optional</span>816 812 813 <span class="attr">required</span> 817 814 818 815 … … 821 818 </h4> 822 819 823 <div class="comments"> 1D or 2D array defining the latitude of the output data. 824 optionals if WEIG and ADDR keywords used.</div> 820 <div class="comments"> 1D or 2D array defining the latitude of the output data.</div> 825 821 826 822 <h4 id="_fromirr_param_mskout">mskout 827 823 <span class="attr">in</span> 828 824 829 <span class="attr">optional</span>830 825 826 <span class="attr">required</span> 831 827 832 828 … … 869 865 </h4> 870 866 871 <div class="comments"> :2D arrays, weig and addr are the weight and addresses used to867 <div class="comments"> 2D arrays, weig and addr are the weight and addresses used to 872 868 perform the interpolation: 873 869 dataout = total(weig*datain[addr], 1) 874 870 dataout = reform(dataout, jpio, jpjo, /over) 875 Those keywords can be set to named variables into which the values will be876 copied when the current routine exits. Next, they can be used to perform871 Those keywords can be set to named variables (that are undefined or equal to 0) into which the 872 values will be copied when the current routine exits. Next, they can be used to perform 877 873 the interpolation whithout computing again those 2 parameters. This greatly 878 874 speed-up the interpolation! In that case, lonin, latin, lonout and latout are not necessary.
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