Read the main Header Data Unit (HDU) of a fits file.
Parameters
| Name | Type | Description |
|---|---|---|
| BlockName | string | Name of the data block to contain header data. |
| VariableName | string | Name of variable to contain header data. |
| FitsName | string | Filename of FITS image that contains desired header. |
| GetDims | keyword | Get the dimensions in pixels of the main image. |
Inputs
Outputs
| Name | Type | Description |
|---|---|---|
| BlockName/xmax | long | Width of image in pixels. |
| BlockName/ymax | long | Height of image in pixels. |