Changeset 151 for trunk/SRC/Documentation/idldoc_html_output/ToBeReviewed/TRIANGULATION/definetri.html
- Timestamp:
- 08/09/06 12:21:11 (18 years ago)
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trunk/SRC/Documentation/idldoc_html_output/ToBeReviewed/TRIANGULATION/definetri.html
r138 r151 696 696 </div> 697 697 698 <div id="file_comments"></div> 699 700 701 702 703 704 705 706 707 708 <div id="routine_details"> 709 710 711 <div class="routine_details" id="_definetri"> 712 713 <h2><a class="top" href="#container">top</a>definetri </h2> 714 715 <p class="header"> 716 <span class="result">result = </span>definetri(<span class="result"><a href="#_definetri_param_nx">nx</a>, <a href="#_definetri_param_ny">ny</a>, <a href="#_definetri_param_downward">downward</a></span>)</p> 717 718 <div class="comments"> 719 NAME:definetri 720 721 PURPOSE:Define a triangulation array like TRIANGULATE. 698 <div id="file_comments"> 699 efine a triangulation array like TRIANGULATE. 722 700 But in a VERY SIMPLE CASE: 723 701 the points are regulary-gridded on nx*ny array. … … 746 724 747 725 *---* *---* 748 | /| | \|749 | / | | \|750 |/ | | \|726 | /| | | 727 | / | | | 728 |/ | | | 751 729 *---* *---* 752 730 753 754 CATEGORY: to understand how TRIANGULATE and TRIANGULATION work! 755 756 CALLING SEQUENCE:triangles=definetri(nx, ny [,downward]) 757 758 INPUTS: nx and ny are the array dimensions 759 760 OPTIONAL INPUTS: 761 762 downward: When downward is undefine all rectangles are cut 763 in using the upward diagonal. Downward is a vector which 764 contains the rectangles numbers which are cut in using the 765 downward diagonal. 766 The rectangle number is define by the index (in a nx*ny 767 vector) of the lower-left corner of the rectangle. 768 769 KEYWORD PARAMETERS: 770 771 OUTPUTS: 772 triangles is a 2d array and is dimensions are 3 and 773 2*(nx-1)*(ny-1) 774 triangles is define like in the TRIANGULATE procedure. 775 776 777 OPTIONAL OUTPUTS: 778 779 COMMON BLOCKS: 780 781 SIDE EFFECTS: 782 783 RESTRICTIONS: 784 785 PROCEDURE: 786 787 EXAMPLE: 731 </div> 732 733 734 735 736 737 738 739 740 741 <div id="routine_details"> 742 743 744 <div class="routine_details" id="_definetri"> 745 746 <h2><a class="top" href="#container">top</a>definetri <span class="categories"> 747 utilities 748 </span></h2> 749 750 <p class="header"> 751 <span class="result">result = </span>definetri(<span class="result"><a href="#_definetri_param_nx">nx</a>, <a href="#_definetri_param_ny">ny</a>[, <a href="#_definetri_param_downward">downward</a>]</span>)</p> 752 753 <div class="comments"> 754 </div> 755 756 <h3>Return value</h3><div class="preformat"> 757 triangles is a 2d array and is dimensions are 3 and 758 2*(nx-1)*(ny-1) 759 triangles is define like in the TRIANGULATE procedure. 760 </div> 761 762 763 <h3>Parameters</h3> 764 765 766 <h4 id="_definetri_param_nx">nx 767 <span class="attr">in</span> 768 769 770 <span class="attr">required</span> 771 772 773 774 775 </h4> 776 777 <div class="comments"> 778 The x dimension array 779 </div> 780 781 <h4 id="_definetri_param_ny">ny 782 <span class="attr">in</span> 783 784 785 <span class="attr">required</span> 786 787 788 789 790 </h4> 791 792 <div class="comments"> 793 The y dimension array 794 </div> 795 796 <h4 id="_definetri_param_downward">downward 797 <span class="attr">in</span> 798 799 <span class="attr">optional</span> 800 801 802 803 804 805 </h4> 806 807 <div class="comments"> 808 When downward is undefine all rectangles are cut 809 in using the upward diagonal. Downward is a vector which 810 contains the rectangles numbers which are cut in using the 811 downward diagonal. 812 The rectangle number is define by the index (in a nx*ny 813 vector) of the lower-left corner of the rectangle. 814 </div> 815 816 817 818 819 820 821 <h3>Examples</h3><div class="preformat"> 788 822 789 823 triangles=definetri(3,3,[1,3]) … … 791 825 792 826 *---*---* 793 | \| /|794 | \| / |795 | \|/ |827 | | /| 828 | | / | 829 | |/ | 796 830 *---*---* 797 | /| \|798 | / | \|799 |/ | \|831 | /| | 832 | / | | 833 |/ | | 800 834 *---*---* 801 835 802 836 </div> 803 804 805 806 807 <h3>Parameters</h3> 808 809 810 <h4 id="_definetri_param_nx">nx 811 812 813 814 815 816 817 818 819 </h4> 820 821 <div class="comments"></div> 822 823 <h4 id="_definetri_param_ny">ny 824 825 826 827 828 829 830 831 832 </h4> 833 834 <div class="comments"></div> 835 836 <h4 id="_definetri_param_downward">downward 837 838 839 840 841 842 843 844 845 </h4> 846 847 <div class="comments"></div> 848 849 850 851 852 853 854 855 856 857 858 837 <h3>Version history</h3> 838 839 <h4>Version</h4><div class="preformat"> 840 $Id: definetri.pro 150 2006-08-09 10:12:54Z navarro $</div> 841 <h4>History</h4><div class="preformat"></div> 859 842 860 843
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