Attribute Information Reading
Function Syntax
- Read an attribute.
- Read an attribute of the int type.
nc_get_att_int(int ncid, int varid, const char* name, int *ip)
- Read an attribute of the float type.
nc_get_att_float(int ncid, int varid, const char* name, float *ip)
- Read an attribute of the double type.
nc_get_att_double(int ncid, int varid, const char* name, double *ip)
- Read an attribute of the text type.
nc_get_att_text(int ncid, int varid, const char* name, char *ip)
Parameters
Parameter |
Description |
Value Range |
Input/Output |
|---|---|---|---|
ncid |
File ID |
Non-negative integer |
Input |
varid |
Variable ID |
Non-negative integer |
Input |
name |
Attribute name |
Non-empty |
Input |
ip |
Pointer to data |
Non-empty |
Output |
Return Value
- Success: NC_NOERR
- Failure: An error code is returned.
Error Code
Error Code |
Description |
|---|---|
NC_EBADID |
Invalid ncid |
NC_ENOTVAR |
Invalid variable ID |
NC_ENOTATT |
Attribute not found |
NC_EINVAL |
Invalid argument |
NC_ENOMEM |
Insufficient memory |
Notes
- Ensure that the pointer memory size is correct. Hyper IO cannot check the pointer size.
- Only attributes of the preceding types can be read.
Parent topic: NetCDF Bridging Functions