# Pipeline Markings
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### calc_blotchiness
``` python
def calc_blotchiness(
nfans, nblotches
):
```
*Calculate the fnotch value (or fan-ness).*
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### TileID
``` python
def TileID(
imgid, scope:str='planet4', dbname:NoneType=None, data:NoneType=None, image_name:NoneType=None
):
```
*Manage Planet 4 Image ids, getting data, plot stuff etc.*
At init this class will get the data for the given `imgid` using either
the latest found database file or the optionally provided one.
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### Fnotch
``` python
def Fnotch(
fan, blotch, scope:str='planet4'
):
```
*Manage Fnotch by providing a cut during output.*