Sorry, I'm in LA
On May 19, 2012, at 5:12 PM, Serena Xu <[email protected]> wrote: > > hey, Justin Israel and Kamil Hepner, are either of you in NYC?....by > any chance? > > > On May 18, 12:52 pm, Serena Xu <[email protected]> wrote: >> oooh I see. Thank you! yea that part with passing a reference to store >> the result is confusing. >> >> On May 18, 12:48 pm, Justin Israel <[email protected]> wrote: >> >> >> >> >> >> >> >>> He is just creating a new MPoint to be used when it is passed into >>> getClosestPoint. The method will use that outPoint reference to store the >>> result. Really he didn't have to initialize it with (0,0,0), because thats >>> the default anyways: >> >>> print om.MPoint() == om.MPoint(0.0, 0.0, 0.0) >>> # True >> >>> If you are a python guy, the maya api can be a little confusing because its >>> very C++ oriented. You often are asked to pass along a reference for the >>> result to be stored, as opposed to expecting a return value as a result. >> >>> On Fri, May 18, 2012 at 9:33 AM, Serena Xu <[email protected]> wrote: >>>> Thanks for your reply! I still have a question about outPoint. How do >>>> you get that initial value? >> >>>> On May 18, 11:53 am, Kamil Hepner <[email protected]> wrote: >>>>> If you want to use maya python API, try this: >> >>>>> import maya.OpenMaya as om >> >>>>> om.MGlobal.clearSelectionList() >> >>>>> om.MGlobal.selectByName('pCube1') >> >>>>> sList = om.MSelectionList() >> >>>>> om.MGlobal.getActiveSelectionList(sList) >> >>>>> item = om.MDagPath() >> >>>>> sList.getDagPath(0, item) >> >>>>> item.extendToShape() >> >>>>> fnMesh = om.MFnMesh(item) >> >>>>> inPoint = om.MPoint(0, 2, 3) >> >>>>> outPoint = om.MPoint(0.0, 0.0, 0.0) >> >>>>> worldSpace = om.MSpace.kWorld >> >>>>> fnMesh.getClosestPoint(inPoint, outPoint, worldSpace) >> >>>>> print outPoint[2] >> >>>>> Or you can use simpler pymel function getClosestPoint(), from Mesh class, >>>>> it's depend of what you want. >> >>>>> Cya! >> >>>>> 2012/5/18 Serena Xu <[email protected]> >> >>>>>> I would like to get the information of closest vertex on a cube to the >>>>>> given point. I'm unsure of the type of argument I'm suppose to put as >>>>>> the second argument of the getClosestPoint() >>>>>> Please help! >> >>>>>> def test(): >>>>>> cube = cmds.polyCube() >> >>>>>> pointInfo = om.MPointOnMesh() >>>>>> point = om.MPoint( 0, 8, 3) >>>>>> cubeWS = om.MMeshIntersector() >>>>>> result = cubeWS.getClosestPoint (point, pointInfo, 10) >>>>>> position = [(result.x), (result.y), (result.z)] >> >>>>>> return (position) >> >>>>>> -- >>>>>> view archives:http://groups.google.com/group/python_inside_maya >>>>>> change your subscription settings: >>>>>> http://groups.google.com/group/python_inside_maya/subscribe >> >>>> -- >>>> view archives:http://groups.google.com/group/python_inside_maya >>>> change your subscription settings: >>>> http://groups.google.com/group/python_inside_maya/subscribe > > -- > view archives: http://groups.google.com/group/python_inside_maya > change your subscription settings: > http://groups.google.com/group/python_inside_maya/subscribe -- view archives: http://groups.google.com/group/python_inside_maya change your subscription settings: http://groups.google.com/group/python_inside_maya/subscribe
