kernelv_ch_get_cont_visu_data()
Prototype
| KERNELV_RETURN | kernelv_ch_get_cont_visu_data (unsigned long int chanIndex, | 
Description
Reads the contour visualisation of a channel. The format of the returned data is set by the parameter P-STUP-00039. A structure of type CONTOUR_VISU is returned followed by structures of type COUNTOUR_VISU_DATA_V0 … _V8.
If the memory provided by the calling application is not sufficient to return the structure CONTOUR_VISU, ERR_CNC_RET_MEMORY is returned and the minimum size of the required memory area is returned in retLength.
Parameter
| Name | Type | Meaning | 
| chanIndex | unsigned long | Channel index of the channel from which the variable is to be read. | 
| pData | unsigned char* | Pointer to the memory area for return values. | 
| maxByteSize | unsigned long | Size of the return memory. | 
| retLength | unsigned long* | Number of bytes returned in pData. | 
Return values
| Symbol | Value | Meaning | 
| RET_FINISHED | 0 | The function was executed without error. | 
| ERR_INVALID_CHAN | -1 | The transferred channel index is higher than the number of configured channels –1 | 
| ERR_CNC_NOT_INIT | -3 | The simulation CNC kernel was not yet initialised. | 
| ERR_CNC_RET_MEMORY | -4 | The return value(s) does/do not fit into the memory provided. The number of bytes required is returned in the returnSize parameter. |