From fe5692f2c053f1fe83b2f15687eea13f8b2486ea Mon Sep 17 00:00:00 2001 From: ThomasG77 Date: Sat, 17 Dec 2011 18:54:07 -0800 Subject: [PATCH] Updated RasterSymbolizer (markdown) --- RasterSymbolizer.md | 61 +++++++++++++++++++++------------------------ 1 file changed, 29 insertions(+), 32 deletions(-) diff --git a/RasterSymbolizer.md b/RasterSymbolizer.md index 73d9a7d..8bbb31e 100644 --- a/RasterSymbolizer.md +++ b/RasterSymbolizer.md @@ -25,7 +25,7 @@ Processed as described in http://wiki.openstreetmap.org/wiki/Hillshading_using_t # Usage | *parameter* | *value* | *description* | ---------------|---------|-----------| +|--------------|---------|-----------| | opacity | 0.0 - 1.0 | 1 is fully opaque while zero is fully transparent and .5 would be 50% transparent | | mode | grain_merge, grain_merge2, multiply, multiply2, divide, divide2, screen, hard_light | Compositing/Merging effects with image below raster level (?). The formulas for combinding foreground (raster) and background are: grain_merge: bg + fg - 0.5, grain_merge2: bg + 2*fg - 1.0, multiply: fg * bg, multiply2: 2 * fg * bg, divide: bg / fg, divide2: 2*bg / fg, screen: (1-fg)*(1-bg), hardlight: see [[http://docs.gimp.org/en/gimp-concepts-layer-modes.html#id2834930]] | | scaling | fast, bilinear, bilinear8 || fast: nearest neighbour, bilinear: bilinear interpolation for all 4 channels (RGBA), bilinear8 like bilinear, but only one channel assumed | @@ -46,48 +46,45 @@ Default (simply renders a copy of the raster) ```xml -#!xml - + ``` Using the new 0.6.0 release opacity / merging / scaling options: ```xml -#!xml - + ``` ## Python Styles - ```python -#!python -s = Style() -r=Rule() -r.symbols.append(RasterSymbolizer()) -s.rules.append(r) + s = Style() + r=Rule() + r.symbols.append(RasterSymbolizer()) + s.rules.append(r) ``` ## C++