---
title: "Leonard Fidelis (@Controleo) | Hashnode"
description: "GIS Data Analyst || Technical Writer. Read the latest articles by Leonard Fidelis on Hashnode."
url: "https://hashnode.com/@Controleo"
---

@Controleo

# Leonard Fidelis

@Controleo · Port-Harcourt Nigeria · Joined August 2021

GIS Data Analyst || Technical Writer

### [The Effects of Illiteracy and Poverty on Child Care and Development](https://spatialdatahub.hashnode.dev/the-effects-of-illiteracy-and-poverty-on-child-care-and-development?utm_source=hashnode&utm_medium=feed)

The all-round well-being of a child is directly and indirectly influenced by several factors. However, the most defining factor remains the basic unit of every community, the family. How much effect do the wealth and exposure of the parents have on c...

10 min read · [spatialdatahub.hashnode.dev](https://spatialdatahub.hashnode.dev/the-effects-of-illiteracy-and-poverty-on-child-care-and-development?utm_source=hashnode&utm_medium=feed)

[Aug 17, 2023](https://hashnode.com/posts/the-effects-of-illiteracy-and-poverty-on-child-care-and-development/64ddc9db2e9c7d0b2f25cf90)

### [Racial Dot Map - \[New York\]](https://fidelisleo.hashnode.dev/racial-dot-map-new-york?utm_source=hashnode&utm_medium=feed)

Aim The purpose of this analysis was to determine the distribution of the Multi-racial city of New York. Data Source The census data for this project was obtained from Census Reporter while the boundary data was obtained from OpenStreetMap. Result A ...

1 min read · [fidelisleo.hashnode.dev](https://fidelisleo.hashnode.dev/racial-dot-map-new-york?utm_source=hashnode&utm_medium=feed)

[Jul 7, 2023](https://hashnode.com/posts/racial-dot-map-new-york/64a7ae4238c7f6bcec903092)

### [CHOROPLETH MAP: \[Nigerian Population Density Map\]](https://fidelisleo.hashnode.dev/choropleth-map-nigerian-population-density-map?utm_source=hashnode&utm_medium=feed)

Aim The aim of this project is to visualize the population density of states in Nigeria using a choropleth map. Data Source The population dataset was obtained from WorldPop. It records the spatial distribution of the population in 2020 with the coun...

1 min read · [fidelisleo.hashnode.dev](https://fidelisleo.hashnode.dev/choropleth-map-nigerian-population-density-map?utm_source=hashnode&utm_medium=feed)

[Jul 7, 2023](https://hashnode.com/posts/choropleth-map-nigerian-population-density-map/64a78bfd9187df2347521d3e)

### [Writing Your First GIS/Geospatial ReadMe](https://spatialdatahub.hashnode.dev/writing-your-first-gisgeospatial-readme?utm_source=hashnode&utm_medium=feed)

A ReadMe file has one job, to provide an explanation for your uploaded code. It helps the user understand how to install, navigate and, when necessary, recreate the project. Writing a ReadMe for a GIS project is no different. This guide outlines the ...

2 min read · [spatialdatahub.hashnode.dev](https://spatialdatahub.hashnode.dev/writing-your-first-gisgeospatial-readme?utm_source=hashnode&utm_medium=feed)

[Jun 17, 2023](https://hashnode.com/posts/writing-your-first-gisgeospatial-readme/648e17e6e778a0fef0472df3)

### [Digital Mapping Projects](https://fidelisleo.hashnode.dev/digital-mapping-projects?utm_source=hashnode&utm_medium=feed)

These mapping projects were completed either as personal experimental projects or for freelance clients. While these are not detailed project documentation, each project discusses the aim, data source, method and results. Where relevant, explainer vi...

3 min read · [fidelisleo.hashnode.dev](https://fidelisleo.hashnode.dev/digital-mapping-projects?utm_source=hashnode&utm_medium=feed)

[May 23, 2023](https://hashnode.com/posts/digital-mapping-projects/646cb2cb54f56a874ae9a9d6)
