iiinova — where your digital self keeps evolving

xiongbiao.bsky.social @xiongbiao.bsky.social · 21/08/2026

A person who suffers severely from motion sickness and rarely takes the bus + an out-of-towner whose alma mater is located in the neighboring oil field and who has hardly ever been into the city = A Map of Qianjiang’s City Bus Routes 🤣🤣🤣

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xiongbiao.bsky.social @xiongbiao.bsky.social · 09/06/2026

The schedule of the 2026 FIFA World Cup group stage and the travel distances of the teams.

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xiongbiao.bsky.social @xiongbiao.bsky.social · 18/05/2026

Play custom projections in QGIS, applied to vectors and rasters. Fig.1 1963 Latitudinally Equal-Differential Polyconic Projection Fig.2 Hao Xiaoguang's Generalized Latitudinally Equal-Differential Polyconic Projection (Southern Hemisphere vertical version)

Hao Xiaoguang's Generalized Latitudinally Equal-Differential Polyconic Projection (Southern Hemisphere vertical version)

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xiongbiao.bsky.social @xiongbiao.bsky.social · 24/03/2026

Armadillo Earth Adjusting the central meridian of the Armadillo projection to ±180°, and the maps will align perfectly. Then you can rotate them. I've been having a lot of fun playing around with Observable lately. Here's my workspace. observablehq.com/@x-b-workspa...

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xiongbiao.bsky.social @xiongbiao.bsky.social · 02/03/2026

#DuBoisChallenge2026 #Observable Challenge10: PROPORTION OF NEGROES IN THE TOTAL POPULATION OF THE UNITED STATES.

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xiongbiao.bsky.social @xiongbiao.bsky.social · 02/03/2026

#DuBoisChallenge2026 #Observable Challenge09: NEGRO POPULATION OF THE UNITED STATES COMPARED WITH THE TOTAL POPULATION OF OTHER COUNTRIES.

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xiongbiao.bsky.social @xiongbiao.bsky.social · 02/03/2026

#DuBoisChallenge2026 #Observable Challenge08: Distridution of Negroes in the United States.

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xiongbiao.bsky.social @xiongbiao.bsky.social · 01/03/2026

#DuBoisChallenge2026 #Observable Chllenge07: A SERIES OF STATISTICAL CHARTS, ILLUSTRATING THE CONDITION OF THE DESCENDANTS OF FORMER AFRICAN SLAVES NOW RESIDENT IN THE UNITED STATES OF AMERICA

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xiongbiao.bsky.social @xiongbiao.bsky.social · 26/02/2026

#DuBoisChallenge2026 #Observable Challenge02: Relative Negro Population of the States of the United States

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xiongbiao.bsky.social @xiongbiao.bsky.social · 20/11/2025

Day-19 Projections #30DayMapChallenge Let's see how cartographer in the hand-drawn era used <polar orthographic projection> and <inclined equatorial orthographic projection> to create the <orthographic projection centered at a specific latitude>.

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xiongbiao.bsky.social @xiongbiao.bsky.social · 11/11/2025

#30DayMapChallenge Day-11 Minimal map Making Grid Map in Observable inspired by Jo Wood.

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xiongbiao.bsky.social @xiongbiao.bsky.social · 10/11/2025

#30DayMapChallenge Day-10/15/20 Air/Fire/Water Using WRI’s data to visualize China's power plants, where different colors represent plant types (Wind, Coal, Hydro, etc.) and size indicates installed capacity. And I've marked the top ten.

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xiongbiao.bsky.social @xiongbiao.bsky.social · 07/11/2025

Day-07 Accessibility #30DayMapChallenge Where can an electric scooter with a maximum speed of 25 km/h and a range of 50 km go?

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xiongbiao.bsky.social @xiongbiao.bsky.social · 05/11/2025

Day-06 Dimensions #30DayMapChallenge Using CMAB (Building Height) and OSM data, process height maps in QGIS (adding building and road while subtracting river) and output satellite imagery (which can also generate OSM thematic maps). Finally, create 3D effects in Aerialod.

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xiongbiao.bsky.social @xiongbiao.bsky.social · 04/11/2025

Day-04 Data challenge: My Data My phone recorded the elevation changes during running. #30DayMapChallenge

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xiongbiao.bsky.social @xiongbiao.bsky.social · 03/11/2025

Day-03 Polygons 2024 Production (Export) Volume of Crayfish by Chinese Provinces, Municipalities, and Autonomous Regions. #30DayMapChallenge

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xiongbiao.bsky.social @xiongbiao.bsky.social · 02/11/2025

Day-02 Lines Arrows indicate crayfish exports from Hubei Province, China in 2024. #30DayMapChallenge

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xiongbiao.bsky.social @xiongbiao.bsky.social · 01/11/2025

Day-01 Points CMYK Dots Relief Representation for Changqing National Nature Reserve (there are pandas!) in the Qin Mountains of Shaanxi province of China. #30DayMapChallenge

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xiongbiao.bsky.social @xiongbiao.bsky.social · 02/10/2025

Use #QGIS and #GIMP to map #Bioko Island, combined the hillshade and the curvature to get the 3D effect

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xiongbiao.bsky.social @xiongbiao.bsky.social · 19/09/2025

Building upon the earlier land/water hemisphere maps, this exercise further refines the design by incorporating perspectives of the Eastern and Western Hemispheres, the polar regions, and layered contourline coloring. The result is a relatively comprehensive map. #QGIS #Inkscape #Hemisphere #Map

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Reposted by @xiongbiao.bsky.social

Robert Simmon @rsimmon.bsky.social · 29/08/2025

Ready for the @nacis.bsky.social fall meeting? Here’s an example from my talk — contour smoothing with Python & GDAL. #dataviz #cartography

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