Wolfgang, Raphael, Thank you very much for suggestions and valuable pointers.
-- Emre On Mon, Oct 20, 2008 at 6:29 PM, Raphael Collet <[EMAIL PROTECTED]> wrote: > Dear Emre, > > Check the "Supplements" website of the book at > http://www.info.ucl.ac.be/~pvr/ds/mitbook.html. The code for drawing the > tree is available there! > > Cheers, > raph > > On Sun, Oct 19, 2008 at 12:38 PM, Emre Sevinc <[EMAIL PROTECTED]> wrote: >> >> I'm reading "Concepts, Techniques, and Models of Computer >> Programming" and on page 160 I saw the code to draw a tree and I >> wanted to run it on my system I've added those two lines to the end of >> code given in the book: >> >> MyTree = tree(key:a val:111 >> left:tree(key:b val:55 >> left:tree(key:x val:100 >> left:tree(key:z val:56 left:leaf >> right:leaf) >> right:tree(key:w val:23 left:leaf >> right:leaf)) >> right:tree(key:y val:105 left:leaf >> right:tree(key:r val:77 left:leaf >> right:leaf))) >> right:tree(key:c val:123 >> left:tree(key:d val:119 >> left:tree(key:g val:44 left:leaf >> right:leaf) >> right:tree(key:h val:50 >> left:tree(key:i val:5 >> left:leaf right:leaf) >> right:tree(key:j val:6 >> left:leaf right:leaf))) >> right:tree(key:e val:133 left:leaf right:leaf))) >> >> MyTree2 = {AddXY MyTree} >> >> {Browse {DepthFirst MyTree2 3 4 5}} >> >> When I fed the buffer I received the following message: >> >> %***************************** failure ************************** >> %** >> %** Tell: 95 = 5 >> %** >> %** Call Stack: >> %** procedure 'DepthFirst' in file "c:/Documents and >> Settings/Emre/Desktop/tree.oz", line 20, column 0, PC = 18888300 >> %**-------------------------------------------------------------- >> >> >> I'm a little bit confused now, I couldn't understand what I should do >> to get something similar to the screenshot given in the Figure 3.19 of >> the book. >> >> Maybe I'm using the DepthFirst procedure in the wrong way or maybe the >> parameters I have passed are wrong, or maybe it is because DepthFirst >> is a procedure not a function (but I simply couldn't understand where >> its output goes or what the output is, another tree, how it should be >> graphically drawn, etc.) >> >> What is the correct way of drawing the actual graphics for the tree? >> _________________________________________________________________________________ mozart-users mailing list [email protected] http://www.mozart-oz.org/mailman/listinfo/mozart-users
