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Land Surveyor · GPS Area Tool

Tutorial
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Record parcel vertices sequentially via manual coordinates or phone GPS. The tool draws each segment in real time, and once closed it calculates the polygon area in square meters, hectares, and mu.

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Live Polyline PreviewAwaiting coordinates...

Add at least two points to preview the live polyline.

Coordinate List

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Citation

If you use Digital Plant Phenotyping Platform v25.0 or any of its applications in your research, please cite it as:

LiangchaoDeng. (2025). smiler488/smiler488.github.io: Digital Plant Phenotyping Platform v25.0 (v25.0.0). Zenodo.
https://doi.org/10.5281/zenodo.17544584
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BibTeX citation (Zotero → File → Import from Clipboard)

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@software{Deng2025_DPPP_v25,
  author       = {Deng, Liangchao},
  title        = {Digital Plant Phenotyping Platform (v25.0)},
  year         = {2025},
  publisher    = {Zenodo},
  doi          = {10.5281/zenodo.17544584},
  url          = {https://doi.org/10.5281/zenodo.17544584},
  note         = {[Computer software]}
}