*base-height* (variable) *centre-altitude* (variable) *depth-divide* (variable) *down-level* (variable) *flatten-index* (variable) *ground-colour* (variable) *interpolation-index* (variable) *lod-colours* (variable) *master-dimension* (variable) *master-interleaved-array* (variable) *master-levels* (variable) *master-nodes* (variable) *master-triangle-indices* (variable) *max-levels* (variable) *object-depth-levels* (variable) *object-depths* (variable) *patch-height* (variable) *patch-max-level* (variable) *patch-width* (variable) *sea-colour* (variable) *sea-indices* (variable) *sea-vertices* (variable) *terrain-root* (variable) *terrain-width* (variable) *triangle-indices-ctype* (variable) *triangle-indices-ctype-size* (variable) *triangle-indices-edges* (variable) *triangle-indices-gl-enum-type* (variable) *triangle-indices-length-levels* (variable) *triangle-indices-levels* (variable) *up-level* (variable) *waterline-step* (variable) +east+ (constant) +north+ (constant) +south+ (constant) +west+ (constant) draw-level-0-patches (function) loop-over-level-0-triangle-index-arrays (function) *centre-altitude* (variable) *master-interleaved-array* (variable) interleaved-arrays (generic function) loop-over-level-0-triangle-index-arrays (function) loop-over-triangle-index-arrays (function) terrain-patch-initialize-arrays (function) terrain-patch-setup-interleaved-arrays (function) setup-interleaved-arrays-level (function) calculate-cache-level (function) calculate-cache-level (function) calculate-desired-level (function) calculate-lod (function) make-children (function) clamp (function) *ground-colour* (variable) *sea-colour* (variable) colour-ref (macro) *lod-colours* (variable) compression-function (function) *triangle-indices-ctype* (variable) *triangle-indices-ctype-size* (variable) draw-lod-depth-level (function) draw-lod-depth-level-sea (function) *object-depth-levels* (variable) *object-depths* (variable) calculate-desired-level (function) level-to-dimension (macro) *master-dimension* (variable) *depth-divide* (variable) terrain-patch-level-down (function) update-for-draw (function) draw-level-0-patches (function) draw-lod-depth-level (function) draw-lod-depth-level-sea (function) draw-patch (function) for-each-visible-triangle (generic function) *triangle-indices-edges* (variable) interleaved-element (macro) *triangle-indices-gl-enum-type* (variable) update-for-draw (function) for-each-visible-triangle (generic function) compression-function (function) *triangle-indices-gl-enum-type* (variable) world-to-grid (function) interpolate-height (function) *base-height* (variable) *patch-height* (variable) *flatten-index* (variable) *interpolation-index* (variable) loop-over-level-0-triangle-index-arrays (function) loop-over-triangle-index-arrays (function) initialize-triangle-indices (function) *master-triangle-indices* (variable) *sea-indices* (variable) *triangle-indices-ctype* (variable) *triangle-indices-ctype-size* (variable) 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level-to-dimension (macro) terrain-patch-level-up (function) *master-levels* (variable) *max-levels* (variable) *object-depth-levels* (variable) *triangle-indices-length-levels* (variable) *triangle-indices-levels* (variable) calculate-lod (function) modify-lod (function) draw-lod-depth-level (function) draw-lod-depth-level-sea (function) loop-over-level-0-triangle-index-arrays (function) loop-over-triangle-index-arrays (function) make-children (function) make-root (function) *patch-max-level* (variable) modify-lod (function) set-neighbours (macro) root-node (generic function) terrain-node (class) *master-nodes* (variable) interpolate-normal (function) normal-ref (macro) setup-normals (function) ray-intersects-object (function) loop-over-level-0-triangle-index-arrays (function) loop-over-triangle-index-arrays (function) draw-patch (function) terrain-patch (class) terrain-patch-initialize-arrays (function) terrain-patch-level-down (function) terrain-patch-level-up (function) terrain-patch-setup-interleaved-arrays (function) draw-level-0-patches (function) prand (function) ray-intersects-object (function) colour-ref (macro) normal-ref (macro) triindex-ref (macro) vertex-ref (macro) make-root (function) root (function) *terrain-root* (variable) root-node (generic function) draw-lod-depth-level-sea (function) set-neighbours (macro) terrain-patch-setup-interleaved-arrays (function) setup-interleaved-arrays-level (function) setup-invisibles (function) setup-normals (function) *triangle-indices-ctype-size* (variable) size-x (generic function) size-y (generic function) *waterline-step* (variable) terrain-node (class) terrain-patch (class) terrain-patch-initialize-arrays (function) terrain-patch-level-down (function) terrain-patch-level-up (function) terrain-patch-setup-interleaved-arrays (function) level-to-dimension (macro) world-to-grid (function) for-each-visible-triangle (generic function) loop-over-level-0-triangle-index-arrays (function) loop-over-triangle-index-arrays (function) initialize-triangle-indices (function) *master-triangle-indices* (variable) triindex-ref (macro) *triangle-indices-gl-enum-type* (variable) terrain-patch-level-up (function) update-for-draw (function) vertex-ref (macro) *sea-vertices* (variable) for-each-visible-triangle (generic function) *patch-width* (variable) *terrain-width* (variable) world-to-grid (function) size-x (generic function) x0 (function) x1 (function) xh (function) size-y (generic function) y0 (function) y1 (function) yh (function)