Whenever you divide a cube and then divide the division you will get this. I don’t know about other primitives.
I’ll add it to my list to try to improve the algorithm. In the mean time you can achieve your goals by selective division and by the use of edge divide and edge creation.
Richard
In creating an object, starting with for instance a cube, I use the standard division setting on the object, all six faces are divided by four. I then select four faces on the same side of the original cube, change the divide tool to horizontal, divide. Half the faces are divided horizontally, half vertically. If I instead select individual subdivisions, such as a quarter division of a cube face, occasonally instead of dividing one clean line, there are several divisions webbing out to the corners of the square, or there abouts. Often the orientation is horizontal when it should be vertical, and vice versa.
Most of the time, if I switch the divide tool to vertical (when I get a disoriented division), I can get a horizontal line out of a subdivided face. Other times it fragments into several odd shaped divisions as described above.
During all this, I have not reoriented my object or view, and where I have selected multiple faces, I have changed nothing else.
Wondering if maybe I’m not holding my mouth right… Why does the divide tool give odd orientations and fragmentations at times?
If you select what looks like a four edged face but there’s another point on any or all the edges, then your going to get said ‘strangeness’.
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1. Cube has been divided once, standard seting.
2. Divide tool set to vertical, four adjacent faces selected, divide the four faces.
[img:3s8zqany]http://img78.photobucket.com/albums/v237/renogang/divide.jpg[/img:3s8zqany]
note the resulting alternation of vertical then horizontal on the new face divisions.
It’s strange that this has happened.
I tried the same thing and it worked out ok
The words ‘Horizontal’ and ‘Vertical’ are used as a convenient description that is ‘usually’ true. The algorithm for division actually has nothing to do with horizontal or vertical. For example on the top face of a cube what is vertical and what is horizontal? They are both horizontal.
The algorithm is actually based on order (odd and even points) and when you change a primitive by dividing you change the order of the points. So ocassionally when dividing a previously modified primitive you will find you have to swap horizontal for vertical.
Richard
it appears that when I do the same operation as above, this is not occasional, but every time. I’ve also tried selecting faces by direction, or ctrl select of single faces in different orders. I always get alternation of divide horizontal on one face, vertical on the adjacent.
Wish I knew how polybuilder is getting the same divide orientation (why it is different on his system), as on a more complex object with a lot of faces, this process can be a little frustrating. A lot of the time I wind up dividing the edges and creating a segment to force the orientaton I want, which is more time consuming.
If you do it the same way each time you will get the same results. Odds are that polybuilder used a cube with a resolution of 2.
In this case you won’t be able to select all of the faces and divide horizontally/vertically.You will need to select two faces and divide them one direction and the two others and divide them the opposition direction.
Richard
Thanks Richard, checked it out, result: I tried setting resolution to 2 (was 1 before). Standard divide now divides each face into 16 sections rather than 4. I select all faces on once side of the cube (by direction, in this case) set tool for horizontal, I get the same problem, one face divides horizontal, one vertical. My conclusion is it probably isn’t resolution.
I guess for the moment, I’ll hit and miss on the directional divide. I do at least understand why faces fragment occasionally (had a shared side that was previously divided)
Polybuilder: what other settings do you have set for your object, have you changed aything away from defaults?
Richard: I wonder if this could be an issue to look into addressing for version 7? Lack of a unidirectional mass divide can really slow down and even hinder some modeling operations.
incedetally, I just tried directional divide on faces selected from a sphere (group select tool), this operation works just fine, all the selected faces were divided vertically when set on vertical. Maybe this problem is restricted to cubic geometry?
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