Format Support: Visualize 3D ESRI Grid Data with Afanche3D

ESRI Grid is a raster GIS file format developed by ESRI. Afanche3D supports ASCII format of it. The format was introduced for ARC/INFO. The basic structure of the ESRI ASCII raster has the header information at the begining of the file followed by the cell value data:

NCOLS xxx
NROWS xxx
XLLCENTER xxx | XLLCORNER xxx
YLLCENTER xxx | YLLCORNER xxx
CELLSIZE xxx
NODATA_VALUE xxx
row 1
row 2
...
row n

The following picture shows an example of ESRI Grid data displayed in Afanche3D