## to_tiff(self, stream) {#io.RawIOBase}

Render whole worksheet as Tiff Image to stream.



```python

def to_tiff(self, stream):
    ...
```


| Parameter | Type | Description |
| :- | :- | :- |
| stream | io.RawIOBase | the stream of the output image |


## to_tiff(self, filename) {#System.String}

Render whole worksheet as Tiff Image to a file.



```python

def to_tiff(self, filename):
    ...
```


| Parameter | Type | Description |
| :- | :- | :- |
| filename | System.String | the filename of the output image |

### Example 


The following code outputs all the pages of the first sheet to Tiff image.

```python
from aspose.cells import SaveFormat, Workbook
from aspose.cells.rendering import ImageOrPrintOptions, SheetRender

# load the source file with images.
wb = Workbook("Book1.xlsx")
imgOpt = ImageOrPrintOptions()
# set output image type.
imgOpt.save_format = SaveFormat.TIFF
# render the first sheet.
sr = SheetRender(wb.worksheets[0], imgOpt)
# output all the pages of the sheet to Tiff image.
sr.to_tiff("output.tiff")

```



### See Also
* module [`aspose.cells.rendering`](../../)
* class [`SheetRender`](/cells/python-net/aspose.cells.rendering/sheetrender)