Changeset 138 for trunk/SRC/Documentation/idldoc_html_output/Interpolation/square2quadrilateral.html
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- 07/12/06 11:52:09 (18 years ago)
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trunk/SRC/Documentation/idldoc_html_output/Interpolation/square2quadrilateral.html
r121 r138 328 328 table.variables td.image { width: 64px; } 329 329 330 div#file_comments { 330 div#file_comments { white-space: pre; 331 331 margin: 2em; 332 332 font-size: 80%; … … 696 696 </div> 697 697 698 <div id="file_comments"> warm (or map) a unit square onto an arbitrary quadrilateral 698 <div id="file_comments"> 699 warm (or map) a unit square onto an arbitrary quadrilateral 699 700 according to the 4-point correspondences: 700 701 (0,0) -> (x0,y0) … … 721 722 722 723 <h2><a class="top" href="#container">top</a>square2quadrilateral <span class="categories"> image, grid manipulation 723 724 </span></h2> 724 </span></h2> 725 725 726 726 <p class="header"> … … 730 730 </div> 731 731 732 <h3>Return value</h3><div class="value"> 733 734 (2,n) array: the new coodinates (xout, yout) of the (xin,yin) 735 point(s) after mapping. 736 If xin is a scalar, then n is equal to the number of elements of 737 x0. If xin is an array , then n is equal to the number of 738 elements of xin. 739 If xin and yin are omited, square2quadrilateral returns the 740 matrix A which is used for the inverse transformation. 741 732 <h3>Return value</h3><div class="preformat"> 733 (2,n) array: the new coodinates (xout, yout) of the (xin,yin) 734 point(s) after mapping. 735 If xin is a scalar, then n is equal to the number of elements of 736 x0. If xin is an array , then n is equal to the number of 737 elements of xin. 738 If xin and yin are omited, square2quadrilateral returns the 739 matrix A which is used for the inverse transformation. 742 740 </div> 743 741 … … 757 755 </h4> 758 756 759 <div class="comments"> the coordinates of the quadrilateral 760 (see above for correspondance with the unit square). Can be 761 scalar or array. (x0,y0), (x1,y1), (x2,y2) and (x3,y3) are 762 given in the anticlockwise order.</div> 757 <div class="comments"></div> 763 758 764 759 <h4 id="_square2quadrilateral_param_y0in">y0in … … 773 768 </h4> 774 769 775 <div class="comments"> the coordinates of the quadrilateral 776 (see above for correspondance with the unit square). Can be 777 scalar or array. (x0,y0), (x1,y1), (x2,y2) and (x3,y3) are 778 given in the anticlockwise order.</div> 770 <div class="comments"></div> 779 771 780 772 <h4 id="_square2quadrilateral_param_x1in">x1in … … 789 781 </h4> 790 782 791 <div class="comments"> the coordinates of the quadrilateral 792 (see above for correspondance with the unit square). Can be 793 scalar or array. (x0,y0), (x1,y1), (x2,y2) and (x3,y3) are 794 given in the anticlockwise order.</div> 783 <div class="comments"></div> 795 784 796 785 <h4 id="_square2quadrilateral_param_y1in">y1in … … 805 794 </h4> 806 795 807 <div class="comments"> the coordinates of the quadrilateral 808 (see above for correspondance with the unit square). Can be 809 scalar or array. (x0,y0), (x1,y1), (x2,y2) and (x3,y3) are 810 given in the anticlockwise order.</div> 796 <div class="comments"></div> 811 797 812 798 <h4 id="_square2quadrilateral_param_x2in">x2in … … 821 807 </h4> 822 808 823 <div class="comments"> the coordinates of the quadrilateral 824 (see above for correspondance with the unit square). Can be 825 scalar or array. (x0,y0), (x1,y1), (x2,y2) and (x3,y3) are 826 given in the anticlockwise order.</div> 809 <div class="comments"></div> 827 810 828 811 <h4 id="_square2quadrilateral_param_y2in">y2in … … 837 820 </h4> 838 821 839 <div class="comments"> the coordinates of the quadrilateral 840 (see above for correspondance with the unit square). Can be 841 scalar or array. (x0,y0), (x1,y1), (x2,y2) and (x3,y3) are 842 given in the anticlockwise order.</div> 822 <div class="comments"></div> 843 823 844 824 <h4 id="_square2quadrilateral_param_x3in">x3in … … 853 833 </h4> 854 834 855 <div class="comments"> the coordinates of the quadrilateral 856 (see above for correspondance with the unit square). Can be 857 scalar or array. (x0,y0), (x1,y1), (x2,y2) and (x3,y3) are 858 given in the anticlockwise order.</div> 835 <div class="comments"></div> 859 836 860 837 <h4 id="_square2quadrilateral_param_y3in">y3in … … 869 846 </h4> 870 847 871 <div class="comments"> the coordinates of the quadrilateral 872 (see above for correspondance with the unit square). Can be 873 scalar or array. (x0,y0), (x1,y1), (x2,y2) and (x3,y3) are 874 given in the anticlockwise order. 848 <div class="comments"> 849 the coordinates of the quadrilateral (see above for correspondance with the 850 unit square). 851 Can be scalar or array. 852 (x0,y0), (x1,y1), (x2,y2) and (x3,y3) are given in the anticlockwise order. 853 875 854 </div> 876 855 … … 886 865 </h4> 887 866 888 <div class="comments"> the coordinates of the point(s) for which we want to do the 889 mapping. Can be scalar or array.</div> 867 <div class="comments"></div> 890 868 891 869 <h4 id="_square2quadrilateral_param_yyin">yyin … … 900 878 </h4> 901 879 902 <div class="comments"> the coordinates of the point(s) for which we want to do the903 mapping. Can be scalar or array.904 </div> 905 906 907 908 909 910 911 <h3>Examples</h3><div class=" value">880 <div class="comments"> 881 the coordinates of the point(s) for which we want to do the mapping. 882 </div> 883 884 885 886 887 888 889 <h3>Examples</h3><div class="preformat"> 912 890 913 891 IDL> splot,[0,5],[0,3],/nodata,xstyle=1,ystyle=1 … … 920 898 <h3>Version history</h3> 921 899 922 <h4>Version</h4><div class=" value"> $Id: square2quadrilateral.pro 118 2006-06-27 15:47:06Z pinsard $923 </div> 924 <h4>History</h4><div class=" value">900 <h4>Version</h4><div class="preformat"> $Id: square2quadrilateral.pro 136 2006-07-10 15:20:19Z pinsard $ 901 </div> 902 <h4>History</h4><div class="preformat"> 925 903 Sebastien Masson (smasson@lodyc.jussieu.fr) 926 904 August 2003 … … 928 906 IEEE Computer Society Press, Los Alamitos, California 929 907 Chapter 3, see p 52-56 930 908 931 909 </div> 932 910 … … 936 914 937 915 938 <h4>Restrictions</h4><div class="value"> I think degenerated quadrilateral (e.g. flat of 939 twisted) is not work. This has to be tested. 916 <h4>Restrictions</h4><div class="preformat"> 917 I think degenerated quadrilateral (e.g. flat of twisted) is not work. 918 This has to be tested. 940 919 </div> 941 920
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