====== map_Init ======

===== Description =====

Initialise a map, allocate memory, etc.

===== Function prototype =====

<code>TYPE CExtAPI::map_Init(ZMAP hMap, long nx, long ny, long MapTypeID, float HorizScale, bool WrapFlag);</code>


===== Arguments =====

^ Name ^ Type ^ Comment ^
| hMap | ZMAP | a ZMAP handle to a map variable. |
| nx | long | The number of pixels in the x-direction (width). |
| ny | long | The number of pixels in the y-direction (height). |
| MapTypeID | long | The integer identifier for the [[zeolite:mapid|map type]]. |
| HorizScale | float | The distance between neighbouring pixels in the x- or y-axes, measured in metres. |
| WrapFlag | bool | A boolean value indicating whether the left/right and top/bottom edges of the map 'wrap' around to produce an infinitely tiling map. |

===== Return value =====

False if an error occurred, and true otherwise.

===== Comments =====

None.