October 2024
Beginner to intermediate
480 pages
14h 51m
Spanish
Content preview from Visualización práctica de datos
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Capítulo 13. Transforma tus datos cartográficos
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En el Capítulo 7, introdujimos conceptos básicos sobre los mapas web interactivos, que se componen de diferentes capas de datos. Cuando los usuarios exploran un mapa interactivo, suelen hacer clic en la capa superior, que a menudo muestra alguna combinación de puntos, polilíneas y polígonos sobre un conjunto sin fisuras de mosaicos de mapa base que se construyen a partir de datos ráster o vectoriales. Tanto si creas mapas con herramientas de arrastrar y soltar, como Datawrapper (consulta "Mapa Choropleth con Datawrapper"), como si personalizas plantillas de código de mapa Leaflet (consulta el Capítulo 12), puede que necesites transformar los datos para trabajar con uno de estos tipos de capas de mapa.
En este capítulo, profundizaremos en los datos geoespaciales y sus distintos formatos, como GeoJSON, el formato de estándar abierto más utilizado en este libro (consulta "Datos geoespaciales y GeoJSON"). Aprenderás a encontrar y extraer archivos de límites geográficos en este formato de la plataforma de crowdsourcing OpenStreetMap en "Encontrar archivos de límites GeoJSON". Mostraremos cómo convertir o crear tus propios datos de capa de mapa de nivel superior utilizando la herramienta GeoJson .io en "Dibujar y editar con GeoJson.io", y cómo editar estas capas con datos de hoja de cálculo utilizando la herramienta Mapshaper ...
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