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NAB622

EAT ME!

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8th October 2005

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#1 13 years ago

Ok, I am making a map with GTK Radiant 1.4 for my clan, OV (Order of the Varden), and I ran into an error. I know it was mentioned in a previous message on the forum, but I can't find it now. Here is the error message:

******************** Leaf with too many portals. ********************

Radiant shows that message in all red........well, what is a leaf and what is a portal? How woult I solve the problem? I already did a brush cleanup and that was no help. I have also asked everyone I know and they can't help me, either. What is wrong???




iswer

Mapper, Modeller, Musician

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18th April 2004

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#2 13 years ago

A leaf is a leaf-node, which is one of the leaves in the BSP tree that is used to store your map. Each leaf-node is a small convex volume of space within the player-space (inside the map's hull/bounding walls). Each leaf-node in the tree has a set of faces, which are flat (planar) surfaces that form portals where they meet the faces of other Leaf-Nodes in the map.

This error is a result of a leaf-node in your map that meets too many other leaf-nodes, which causes your level to have too many portals. You can split the offending leaf-node up, or reduce the number of leaf-nodes it meets to fix the error.

Note:Leaf-Nodes are created at the first q3map compile stage when the BSP Tree is generated. Put simply, the compiler arbitrarily splits the inside space of the map up into convex sections, using the faces of the brushes in the map to split along.

To reduce the number of splits made you can simplify the brushes in the map. You can also make the compiler ignore certain brushes by tagging them as "detail" (Ctrl+M with selected brushes). To force a split in the map, you can use a Hint brush, which is an invisible nonsolid brush that only q3map can see and use (Hint brush = axial brush with all faces common/hint).




NAB622

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#3 13 years ago

So.........put simply, what kind of brush should I look for? I mean, what brush is most likely to be the troublemaker?




iswer

Mapper, Modeller, Musician

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#4 13 years ago

i copied that text from a tutorial at www.map-center.com i cant explain it =P just try alittle or wait for another response.




NAB622

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#5 13 years ago

Ok. Thanks ! I'll look into it and see what I can find out. :D




NAB622

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#6 13 years ago

I got it!!

As it turns out, I had two large (VERY large, in fact) flights of stairs. I selected the stairs and went to the selection menu, and then clicked 'Make Detail' and it's AOK!