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Rening23/README.md

👋 Hi, I'm Renny Espinosa (Rening23)

Survey Engineer / Geomatics + Python Developer building geospatial products end-to-end (GIS, GNSS/RTK, backend APIs, and web mapping).

📍 Spain
🧭 Focus: Geospatial platforms • GNSS processing • Web GIS • Django/DRF • React • PostGIS • Docker

🚀 Featured Projects

🗺️ Geocodev-miniGis — Full-stack Web GIS (Django + React + PostGIS)

A mini web GIS platform: API + frontend mapping + PostGIS, containerized with Docker.

  • Stack: Django / DRF, React (Vite), Leaflet, PostGIS, Docker, Caddy
  • Repo: https://github.com/Rening23/Geocodev-miniGis
  • Highlights:
    • REST API + auth
    • Spatial queries (PostGIS)
    • Frontend map tools (layers, draw, export/import)

🗺️ Geocodev-watershed — Full-stack Web GIS (Django + React + PostGIS)

An app for calculate a watershed: API + frontend mapping + PostGIS, containerized with Docker.

Stack: Django / DRF, React (Vite), Leaflet, PostGIS, Docker, Caddy Repo: https://github.com/Rening23/Geocodev-watershed

🗺️ Geocodev-Coordinates — Full-stack Web GIS (Django + React + PostGIS)

An app for transfor coordinates from utm to geopraphic and viceversa: API + frontend mapping + PostGIS, containerized with Docker.

Stack: Django / DRF, React (Vite), Leaflet, PostGIS, Docker, Caddy Repo: https://github.com/Rening23/Geocodev-coordinates

🗻 dem-to-contours — DEM to contour lines

Generate contour lines from a DEM, designed as a simple reproducible workflow.

✂️ CORTAR-RASTER — Clip raster by polygon (Colab-friendly)

Small tool to cut rasters using a polygon geometry, easy to test and reuse.

📐 Scale-factor-UTM — UTM scale factor helper

Utility to compute/understand UTM scale factor (useful for surveying workflows).

🧰 Tech Stack

Backend: Python, Django, Django REST Framework
Frontend: React, Vite, Leaflet Geo: PostGIS, GDAL/raster tools, vector processing
DevOps: Docker, docker-compose, Linux
Concepts: GIS workflows, surveying, GNSS/RTK processing, geodesy

📌 What I’m working on

  • Building geospatial tools and platforms that combine surveying/GNSS + web GIS + scalable APIs
  • Improving project documentation, demos, and CI/CD for production-ready delivery

🤝 I’m open to

  • Backend / Full-stack roles with a geospatial focus
  • GIS product engineering, spatial data pipelines, geodesy/GNSS-related tooling

📫 Contact

🌍 Languages

  • Spanish (native)
  • English (professional)

Pinned Loading

  1. Geocodev-miniGis Geocodev-miniGis Public

    Herramienta básica para cargar y visualizar arhivos shapefile con su tabla de atributos y crear buffers.

    JavaScript 1

  2. Geocodev-Watershed Geocodev-Watershed Public

    Herramienta para el calculo de una cuenca hidrográfica a partir de un DTM y las coordenadas del punto hacia donde drena esa cuenca. Desarrollada en Python-Django y React.

    JavaScript

  3. Geocodev-Coordinates Geocodev-Coordinates Public

    Herramienta para transformar coordenadas de UTM a Geográficas y viceversa. Desarrollada en Python-Django y React.

    Python

  4. CORTAR-RASTER CORTAR-RASTER Public

    Código en Google colab que permite cortar una imagen raster mediante un polígono

    Jupyter Notebook

  5. dem-to-contours dem-to-contours Public

    Codigo en python y google colab para cargar un DTM, visualizarlo y generar y descargar las curvas de nivel al intervalo que se defina.

    Jupyter Notebook

  6. Scale-factor-UTM Scale-factor-UTM Public

    Calculation of Scale factor UTM

    Python