changed grid gfx and TeX
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@@ -18,7 +18,7 @@
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\caption{
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Besides the nodes and edges defined by the distinct floors, we add realistic stairs to interconnect them.
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Stairs are given by three points $\vec{\spoint}_1, \vec{\spoint}_2, \vec{\spoint}_3$, defining the
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starting-edge and the direction.
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starting-edge $[\vec{\spoint}_1 \vec{\spoint}_2]$ and the direction $[\vec{\spoint}_2 \vec{\spoint}_3]$.
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}
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\label{fig:gridStairs}
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\end{figure}
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@@ -26,8 +26,8 @@
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Stairs are defined using three points $\vec{\spoint}_1, \vec{\spoint}_2, \vec{\spoint}_3 \in \R^3$ whereby the segment
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$[ \vec{\spoint}_1 \vec{\spoint}_2 ]$ describes the starting-edge, and $[ \vec{\spoint}_2 \vec{\spoint}_3 ]$ the stair's direction
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(see fig. \ref{fig:gridStairs}). The corresponding grid-vertices are determined using an intersection of
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those segments with the bounding-box for each vertex.
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(see fig. \ref{fig:gridStairs}). The grid-vertices corresponding to the starting-edge are determined using an intersection of
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the segment $[ \vec{\spoint}_1 \vec{\spoint}_2 ]$ with the bounding-box for each vertex.
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To reduce the system's memory footprint, we search for the largest connected region within the graph and
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remove all nodes and edges that are not connected to this region.
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