本文整理汇总了Golang中C.OGRErr类的典型用法代码示例。如果您正苦于以下问题：Golang OGRErr类的具体用法？Golang OGRErr怎么用？Golang OGRErr使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了OGRErr类的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: ProjectionParameter
// Fetch a projection parameter value
func (sr SpatialReference) ProjectionParameter(name string, defaultValue float64) (float64, error) {
cName := C.CString(name)
defer C.free(unsafe.Pointer(cName))
var cErr C.OGRErr
value := C.OSRGetProjParm(sr.cval, cName, C.double(defaultValue), &cErr)
return float64(value), cErr.Err()
}示例2: BuildPolygonFromEdges
// Build a polygon / ring from a set of lines
func (geom Geometry) BuildPolygonFromEdges(autoClose bool, tolerance float64) (Geometry, error) {
var cErr C.OGRErr
newGeom := C.OGRBuildPolygonFromEdges(
geom.cval,
0,
BoolToCInt(autoClose),
C.double(tolerance),
&cErr,
)
return Geometry{newGeom}, cErr.Err()
}示例3: InverseFlattening
// Get spheroid inverse flattening axis
func (sr SpatialReference) InverseFlattening() (float64, error) {
var cErr C.OGRErr
flat := C.OSRGetInvFlattening(sr.cval, &cErr)
return float64(flat), cErr.Err()
}示例4: SemiMinorAxis
// Get spheroid semi-minor axis
func (sr SpatialReference) SemiMinorAxis() (float64, error) {
var cErr C.OGRErr
axis := C.OSRGetSemiMinor(sr.cval, &cErr)
return float64(axis), cErr.Err()
}