CustomProjection

new SuperMap3D.CustomProjection(options)

custom projection class
Name Type Description
options A parameter object has the following properties:
Name Type Default Description
name String 'tmerc' optional projection name
centralMeridian Number optional central meridian
primeMeridian Number optional central meridian
standardParallel_1 Number optional Standard parallel 1
standardParallel_2 Number optional Standard parallel 2
eastFalse Number optional The easting offset refers to adding a number to the abscissa to avoid negative numbers, and this number is the easting offset. Unit: m
northFalse Number optional The north offset refers to adding a number to the ordinate to avoid negative numbers, and this number is the north offset. Unit: m
semimajorAxis Number optional semi-major axis
inverseFlattening Number optional reciprocal of flatness
Example:
var projection = new CustomProjection(ProjectionName.LCC)
See:
  • ProjectionParameter