Changes between Version 63 and Version 64 of Grass7/RasterLib

Timestamp:

Jun 30, 2011, 11:04:05 AM (13 years ago)

Author:

huhabla

Comment:

--

Grass7/RasterLib

@@ -38 +38 @@
  * Storage in '''tiles''' instead of by row
   * Reasoning: Glynn said on the mailing list: "In most cases, single-level tiled storage will give you close to the same performance with a lot less complexity."
-    * The G3d library already implements a tile based approach with tile caching and tile file buffer for arbitrary read and write access
+    * The G3d library already implements a tile based approach with tile caching and tile file buffer for arbitrary read and write access, have a look at [http://trac.osgeo.org/grass/browser/grass/trunk/raster3d/r3.in.ascii/g3d_volume_layout.png G3d tile layout]
   * Function needed to check whether tiles are all null, or all the same value.
   * What tile size should be used? Could be user/program specified, or standard value of something like 64x64. If there isn't a fixed value then there should be utility program that can convert tiled rasters to different tile sizes.