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Excuse me, does anyone knows how to dump the heatmap from openroad. in image form or in csv form

Refer this file from ORFS: <https://github.com/The-OpenROAD-Project/OpenROAD-flow-scripts/blob/master/flow/scripts/save_images.tcl>
save_image -resolution $resolution $::env(REPORTS_DIR)/final_resizer.webp
Similarly update gui with heatmap and run above command to dump the image

Thank you very much! And do you know how to save it in csv form or other data format? Does openroad has such function?

<https://github.com/The-OpenROAD-Project/OpenROAD/tree/master/src/gui#heat-maps>  show how you can use
```gui::dump_heatmap```


What is Linen?