Ignore:
Timestamp:
07/23/09 11:18:49 (15 years ago)
Author:
smasson
Message:

update documentation

File:
1 edited

Legend:

Unmodified
Added
Removed
  • trunk/SRC/Documentation/idldoc_assistant_output/Interpolation/square2quadrilateral.html

    r363 r402  
    6464 warm (or map) a unit square onto an arbitrary quadrilateral 
    6565 according to the 4-point correspondences: 
    66        (0,0) -> (x0,y0) 
    67        (1,0) -> (x1,y1) 
    68        (1,1) -> (x2,y2) 
    69        (0,1) -> (x3,y3) 
     66  - (0,0) -> (x0,y0) 
     67  - (1,0) -> (x1,y1) 
     68  - (1,1) -> (x2,y2) 
     69  - (0,1) -> (x3,y3) 
     70 
    7071 The mapping is done using perspective transformation which preserve 
    7172 lines in all orientations and permit quadrilateral to quadrilateral 
     
    284285    <h3>Examples</h3><pre> 
    285286 
    286  IDL> splot,[0,5],[0,3],/nodata,xstyle=1,ystyle=1 
    287  IDL> tracegrille, findgen(11)*.1, findgen(11)*.1,color=indgen(12)*20 
    288  IDL> xin = (findgen(11)*.1)#replicate(1, 11) 
    289  IDL> yin = replicate(1, 11)#(findgen(11)*.1) 
    290  IDL> out = square2quadrilateral(2,1,3,0,5,1,2,3, xin, yin) 
    291  IDL> tracegrille, reform(out[0,*],11,11), reform(out[1,*],11,11),color=indgen(12)*20 
     287   IDL> splot,[0,5],[0,3],/nodata,xstyle=1,ystyle=1 
     288   IDL> tracegrille, findgen(11)*.1, findgen(11)*.1,color=indgen(12)*20 
     289   IDL> xin = (findgen(11)*.1)#replicate(1, 11) 
     290   IDL> yin = replicate(1, 11)#(findgen(11)*.1) 
     291   IDL> out = square2quadrilateral(2,1,3,0,5,1,2,3, xin, yin) 
     292   IDL> tracegrille, reform(out[0,*],11,11), reform(out[1,*],11,11),color=indgen(12)*20 
    292293 
    293294    </pre><h3>Version history</h3> 
    294295     
    295296    <h4>Version</h4> 
    296  $Id: square2quadrilateral.pro 358 2008-04-28 09:41:14Z pinsard $ 
     297 $Id: square2quadrilateral.pro 372 2008-08-08 12:31:53Z pinsard $ 
    297298 
    298299    <h4>History</h4> 
    299       Sebastien Masson (smasson@lodyc.jussieu.fr) 
    300       August 2003 
    301       Based on "Digital Image Warping" by G. Wolberg 
    302       IEEE Computer Society Press, Los Alamitos, California 
    303       Chapter 3, see p 52-56 
    304  
     300 Sebastien Masson (smasson@lodyc.jussieu.fr) 
     301  - August 2003 
     302    Based on "Digital Image Warping" by G. Wolberg 
     303    IEEE Computer Society Press, Los Alamitos, California 
     304    Chapter 3, see p 52-56 
    305305 
    306306     
Note: See TracChangeset for help on using the changeset viewer.