peppino3d Posted March 27, 2008 Share Posted March 27, 2008 The tutorial can be found here: http://www.sidefx.com/images/stories/tutor.../4.cop_ramp.mov In this video tutorial it is stressed quite a lot to add "op://" to the path of the expression, resulting in pic("op://obj/grid_object1/cop2net1/ramp1,$BBX,$BBZ,r) but in reality I noticed the expression also works by using pic("/obj/grid_object1/cop2net1/ramp1,$BBX,$BBZ,r) or even pic("../cop2net1/ramp1",$BBX,$BBZ,r) I was wondering if there is a reason for preferring op://fullpath to ../relativepath and what is op:// anyway? thanks again Peppino p.s. sorry for flooding the forum with lots of questions Quote Link to comment Share on other sites More sharing options...
zasid Posted March 27, 2008 Share Posted March 27, 2008 Hi , Sorry I cannot answer your qurstion but I wanted to ask you that is this tutorial located in the tutorial section at sidefx wesbite. or is it located some where else what is the exact path to locate it . Looking forward to hearding from you. Quote Link to comment Share on other sites More sharing options...
peppino3d Posted March 27, 2008 Author Share Posted March 27, 2008 Hi ,Sorry I cannot answer your qurstion but I wanted to ask you that is this tutorial located in the tutorial section at sidefx wesbite. or is it located some where else what is the exact path to locate it . Looking forward to hearding from you. From the sidefx website: http://www.sidefx.com/index.php?option=com...&Itemid=261 Quote Link to comment Share on other sites More sharing options...
zasid Posted March 27, 2008 Share Posted March 27, 2008 From the sidefx website:http://www.sidefx.com/index.php?option=com...&Itemid=261 Yes I know that but why I cannot find these in the Learning->tutorial section of the website.So that means I mite be missing other tutrials also which are not in the Learning->tutorial section.Thanks for pointing out . regards, zasid Quote Link to comment Share on other sites More sharing options...
symek Posted March 27, 2008 Share Posted March 27, 2008 (edited) (...)sorry for flooding the forum with lots of questions Don't worry, this is all about questions and answers I haven't seen this video, but judging from its description on the web page: "COP Ramp "tex" Function" you are mixing up two expressions here: pic - refers to an operator in COPs network, whereas tex - refers to a file on disk. ...the tricky part is a op:/ syntax, which allows you to refer to Houdini's operator as it would be a file on disk, which leads effectively to similar functionality of both expressions. does it help? cheers, sy. Edited March 27, 2008 by SYmek Quote Link to comment Share on other sites More sharing options...
peppino3d Posted March 27, 2008 Author Share Posted March 27, 2008 It is now clear! so pic can be used with relative/absolute houdini paths, meanwhile tex requires a physical disk path, however we can "fake" a physical path by adding "op://" to an absolute houdini path. Thanks P Don't worry, this is all about questions and answers I haven't seen this video, but judging from it's description on web page: "COP Ramp "tex" Function" you are mixing up two expressions here: pic - refers to operator in COPs network, whereas tex - refers to a file on disk. ...the tricky part is a op:/ syntax, which allows you to refer to Houdini's operator as it would be a file on disk, which leads effectively to similar functionality of both expressions. does it help? cheers, sy. Quote Link to comment Share on other sites More sharing options...
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