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User Info: To use this tool, select a group of verts, it can be larger than the desired cut as explained below. Then hit Shift-K. The tool will prompt for cut type (Exact line or Edge centers), Select, then use LMB to draw a "cut-line". Holding down LMB causes a freehand draw, clicking LMB causes a polyline draw. MMB locks the axis. When done press enter to divide mesh on cut line. Subdivide routines have been modified to produce fewer triangles as part of this tool. Edge Centers preserves UV info, Exact Line does not (it will be there, just slightly distorted). Since the cut line exists in 2D space, and does not make a persistant selection that can be modified in another 3D view, the knife selection is the AND of the vertex selection and the knife line, ie; the edge will be subdivided only if both verts are selected, and the knife line crosses the edge. Select your verts first, but you don't have to be overly precise. If you want to cut a few faces on the front of a sphere, you can select the whole front of the sphere, then knife the faces you want. Coder Info: KnifeSubdivide is called with 1 of 3 modes. KNIFE_PROMPT, KNIFE_EXACT, KNIFE_MIDPOINTS. The hotkey calls KNIFE_PROMPT. When adding to a menu or button, explicitly call out the mode. Part of the tool provides get_mouse_trail() that returns a CutCurve struct that defines a knife line. There are modes defined, but currently they are not implimented. Another part of this tool defines new behaviour for subdivideflag(). Setting beauty param to B_KNIFE tells subdivideflag() that the edges are preselected ans to skip the vert check. Also setting B_PERCENTSUB tells subdivideflag() to divide the edge at a percentage of the distance from eed->v1 to eed->v2. This percentage is passed in the eed->f1 flag as a short (ie, setting eed->f1 to 16384 cuts the edge half-way).
Welcome to the fun world of open-source. For instructions on building and installing Blender, please see the file named INSTALL. ---------------------.Blanguages and the .blender directory--------------------- The .blender directory holds various data files for Blender. In the 2.28a release those are the .Blanguages file containing a list of translations, the translations themselves and a default ttf font. Blender checks for the presence of this directory in several locations: - the current directory - your home directory - On OSX, the blender bundle is also checked - On Windows, the installation dir is checked. If you get a 'File ".Blanguages" not found' warning, try to copy the .blender dir to one of these locations (your home directory being recommended). -------------------------------------Links-------------------------------------- Getting Involved: http://www.blender.org/docs/get_involved.html Community: http://www.blender3d.org/Community/ Main blender development site: http://www.blender.org/ The Blender project homepage: http://projects.blender.org/projects/bf-blender/ Documentation: http://www.blender.org/modules.php?op=modload&name=documentation&file=index Bug tracker: http://projects.blender.org/tracker/?atid=125&group_id=9&func=browse Feature request tracker: http://projects.blender.org/tracker/?atid=128&group_id=9&func=browse