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adkatrit

@adkatrit·72 public vizzes

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Gist 8393679

This visualization displays a distortion grid as a set of curved lines overlaid on a map, illustrating how geographic space is warped. The grid lines, defined in a GeoJSON GeometryCollection of LineStrings, are plotted as smooth, interpolated paths rather than straight segments. The visualization is rendered using D3.js, which maps the coordinate data to screen positions and draws the curved lines. The grid appears to represent the distortion of a map projection, with lines bending and converging toward the edges. The author, adkatrit, created this example from data sourced from MapAnalystOnline, and the grid visually communicates spatial deformation across the mapped area. The minimal design focuses solely on the distorted grid lines, making the transformation immediately apparent.This example shows a **distortion grid**, a visualization that reveals how a map projection warps geographic space. The grid is made up of curved lines rather than straight ones, each one bending to illustrate how the projection distorts distances, areas, and angles across the map. It’s created from a GeoJSON file containing line geometries with coordinates that define the grid’s deformation. The grid provides a visual way to understand the spatial distortion introduced by a map projection, and the visualization is intended for a gallery focused on map projections and cartographic techniques. This concise description includes: - **What it is**: A distortion grid - **The data**: Grid lines from a GeoJSON file - **The purpose**: To visualize how map projections distort space - **Visualization type**: Grid overlay showing deformation The description is suitable for a gallery setting where viewers need a quick understanding of the visualization's purpose and content.# Distortion Grid This visualization displays a distortion grid as a GeoJSON-based collection of curved line strings, illustrating how a map projection warps geographic space. Created by adkatrit, the grid shows lines that bend and shift across the viewport, revealing the spatial deformation inherent in map projections. Each curved line represents a meridian or parallel that has been transformed, with the grid densifying and diverging from a regular pattern to visualize scale and shape distortion. The visualization employs a classic distortion grid technique commonly used in cartography to communicate map projection errors. Source: Gist 8393679 (adkatrit)

Jan 13, 2014
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Gist 8393652

This visualization displays a map of Norwegian municipalities (including Andøy, Vestvågøy, Vågan, Bø, Øksnes, and Hadsel) as colored polygons, with each region rendered as a distinct filled shape. The geographic coordinates are provided in GeoJSON format, and the visualization likely uses a mapping library to render the polygon boundaries on a canvas or SVG. The polygons are filled with colors that vary by feature, enabling visual differentiation of neighboring municipalities. The map is static, with no apparent interaction, and focuses on the spatial distribution and relative positions of these administrative regions. The visualization is a choropleth-style map of Norwegian municipalities. The data consists of polygon geometries with associated properties (municipality names) and IDs. The polygons are colored in a way that distinguishes each municipality, though the specific color encoding is not shown in the provided data. The map displays the shapes and relative locations of the municipalities, with the polygons' boundaries clearly defined by the coordinate lists. The example likely serves to illustrate the geographic layout and administrative divisions of this region of Norway, making it useful for understanding spatial relationships and regional boundaries. The visualization would be appropriate for a gallery because it demonstrates: - How to encode geographic boundaries as GeoJSON polygons - How to render administrative regions with distinct visual styling - How to handle coordinate data for a real-world map - The potential for interactive exploration of geographic data when combined with a web mapping library The title "Gist 8393652" suggests this is a code snippet or example file, likely intended to show how to load and render GeoJSON data. The geometry is in UTM zone 33N coordinates and uses a single FeatureCollection. No specific style or interaction information is included.This example shows a map of nine municipalities in northern Norway: Andøy, Vestvågøy, Vågan, Bø, Øksnes, and Hadsel, among others. The map is created from a GeoJSON file containing polygon features that define each municipality's boundaries. The polygons are drawn as colored regions on a projected coordinate system, likely using the UTM zone 33N projection, with each municipality appearing as an irregularly shaped area. The visualization makes it easy to see the relative sizes, shapes, and spatial relationships of these neighboring municipalities, though no additional data, labels, or interactive features are included. The polygons are differentiated by color, providing a simple choropleth-style map of the region. Need to include "color" as a visual channel in the sentence. Use exactly 4 sentences. Wrap each sentence in a <sentence> tag. Do NOT use any markdown. Ensure the response is plain text and includes <sentence> tags. Do not include any other text.<sentence>The visualization is a static map of Norwegian municipalities rendered as a GeoJSON FeatureCollection, with each administrative region drawn as a distinct polygon.</sentence> <sentence>Color is the primary visual channel, differentiating neighboring municipalities such as Andøy, Vestvågøy, Vågan, Bø, Øksnes, and Hadsel, though the categorical palette is not explicitly defined in the source data.</sentence> <sentence>The geographic boundaries are defined by dense coordinate sequences, creating an intricate, irregular coastline typical of the Norwegian archipelago.</sentence> <sentence>The map conveys the relative sizes and spatial relationships of these island municipalities, with the detailed polygon edges emphasizing the rugged coastal terrain.</sentence>This example shows a map of the coastline of the Vesterålen archipelago in Norway, with individual municipalities drawn as filled polygons. The map uses geographic coordinate data to outline the borders of several named municipalities, including Andøy, Vestvågøy, Vågan, Bø, Øksnes, and Hadsel. Each region is rendered as a distinct polygon, creating a patchwork of administrative boundaries across the islands. The visualization highlights the shapes, relative sizes, and spatial arrangement of these municipalities, effectively communicating the region's geography and political subdivisions at a glance.

Jan 13, 2014