GeoField

The problem

An agricultural map needs to do more than display imagery. It needs to make vegetation indices readable and let people work with application rates in the context of a field.

Constraints

I worked within an existing platform with organization-scoped layers and permissions. The editor had to preserve the original Pix4D grid and metadata, changing only application rates.

My role

I built the index visualization, refined the layer panels and implemented the prescription editor in React. I also built the API, data model and migration for saved dosage versions; the underlying platform is a team effort.

Key decisions

• Keep the color scale separate from the histogram filter, so filtering hides values without changing what their colors mean.
• Share a display model between the map and panel so both use the same zones and colors.
• Store dosage versions separately from the original file, with role-based editing and download permissions.

The shipped system

The interface connects the map, filters, zones and a dosage editor for each grid level. Named versions retain their units, persist in PostgreSQL and can be downloaded as a copy of the original file with the edited rates.

Outcomes

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