| Package | Description |
|---|---|
| org.cts.op.transformation.grids |
| Modifier and Type | Class and Description |
|---|---|
class |
BleggGeographicGrid
Class containing codec functions to compress or uncompress a
GeographicGrid in the BLEGG format (Bit Level Encoded Geographic Grid)
Format Specification :
5 bytes : "BLEGG" 4 bytes : integer (java), block size 4 bytes : integer (java), number of lines 4 bytes : integer (java), number of columns 4 bytes : integer (java), scale (terrain length = int value/scale) 8 bytes : double (java), x0 (x coordinate of the upper-left corner) 8 bytes : double (java), y0 (y coordinate of the upper-left corner) 8 bytes : double (java), total width of the grid (terrain coordinates) 8 bytes : double (java), total height of the grid (terrain coordinates) 4 bytes : integer value in the first line, first column 4 bytes : integer value in the first line, second column n blocks follow : Ils décrivent la matrice suivant un parcours en zigzag (gauche-droite pour les lignes paires et droite-gauche pour les lignes impaires) commençant à la première ligne et 3ème colonne. |
class |
GeographicGrid
A grid with column and rows representing meridians and parallels and cell
values representing any parameter as heights (geoid definition), altitudes
(digital elevation model), or transformation parameters for transformations
based on a model.
|
class |
IGNGeographicGrid
Classe representing a Geographic grid as defined by IGN (France).
|
class |
IGNVerticalGrid
Classe representing an Altimetric grid as defined by IGN (France).
|
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