Editing Grid - atom description

=== General description ===
[[File:grid_surface2.png]]
@@ Line 1: / Line 1: @@
-[[Atom types|<- back to all classes]]
 === General description ===
 [[File:grid_surface2.png]]
-*Grid atoms represent '''type of terrain''' on a vertex of any tiles.
-*They '''do not hold graphical''' representation.
-**[[Surface - atom description|Surface]] atoms hold the graphical representation, but used Surface atom is determined by '''Grid atoms in its four vertices'''.
-*Grid type can be '''set/changed''' in map editor by appropriate '''editor tool'''.
-*In the image above you can see single Surface in the '''cyan rhombus''' and its four Grid in the '''red rects'''.
-**Left and bottom Grid atoms are of type ''soil'' and top and right are of type ''desert'', so the result Surface atom is transition from ''soil'' to ''desert''.
-=== Properties description ===
-{| class="wikitable"
-! Name || Type || Default value /<br>Obligatory || Description
-|-
-|name || locale string || obligatory || Name of the grid type. Shown only in map editor.
-|-
-|water_power || int || 0 || Determines how big is the surroundings in which this tile can irrigate other tiles.
-|-
-|water_repellent || bool || false || Water repelent tiles cannot be irrigated by no means.
-|-
-|features || vec_1D'''['''atom'''['''[[Grid Feature - atom description|Grid Feature]]''']]''' || obligatory || List of grid features.
-|-
-|surface_representant || atom'''['''Grid''']''' || null || Grid atom which is used, instead of this atom, for determination of Surface type.
-|}
-=== Properties in detail ===
-==== features ====
-*Each Grid can support multiple "features".
-*These features then describe additional properties.
-==== surface_representant ====
-*Sometimes you can have multiple Grid atoms which are different is some properties, but which do not influence which Surface should be used with them. For example ''soil'' without water power and ''soil'' with water power in base mod.
-*In such cases is best to choose one of them as a representant because it reduces number of required surface atoms.
-=== Example ===
-<pre>
-atom ('grid.stone',
-{
-    name = "@grid.stone",
-    features = {'gf.A', 'gf.G', 'gf.Si'},
-    water_repellent = true,
-})
-atom ('grid.river',
-{
-    name = "@grid.river",
-    features = {'gf.A', 'gf.W'},
-    water_power = 4,
-})
-</pre>