Xiaojiang Li – Medium

Xiaojiang Li

Xiaojiang Li

US racial/ethnical dot map in Neighborhood Facts

We published the Neighborhood Facts App (link) a couple of months ago. Through the App, you can check the socio-economic statuses of…

Apr 26, 2023

US racial/ethnical dot map in Neighborhood Facts

Apr 26, 2023

Xiaojiang Li

A mobile App to check the maps of neighborhood socioeconomic statuses

Recently, I have been looking for a rental house in the suburbs of Baltimore, Maryland. I am new to Baltimore so I consulted with many…

Mar 30, 2023

A mobile App to check the maps of neighborhood socioeconomic statuses

Mar 30, 2023

Xiaojiang Li

The world’s first mobile App to check sun glare

In winter, the dazzling sun becomes more annoying for drivers. This is because the sun is very low, and the low sun happens when we…

Dec 8, 2022

The world’s first mobile App to check sun glare

Dec 8, 2022

Xiaojiang Li

Map choropleth map of half-million building footprints using Mapbox

When you start web mapping, you may use Leaflet and geojson to create your first web-based geovisualization. However, if you try to…

Nov 2, 2020

Map choropleth map of half-million building footprints using Mapbox

Nov 2, 2020

Xiaojiang Li

Examining the spatial distribution and temporal change of street trees using Google Street View

As an important part of the urban ecosystem, urban trees provide various benefits to urban residents. It is therefore important to examine…

Oct 10, 2020

Examining the spatial distribution and temporal change of street trees using Google Street View

Oct 10, 2020

Xiaojiang Li

Change projections of point feature using different versions of Pyproj

In many cases, we may need to change the projection of geographic features. This is a very common process in GIS and other spatial…

Aug 22, 2020

Change projections of point feature using different versions of Pyproj

Aug 22, 2020

Xiaojiang Li

Create point feature class (shapefile) using Fiona

It is very simple to write a point feature class based on the coordinate information. You can use ArcGIS, QGIS or other software packages…

Dec 10, 2019

Dec 10, 2019

Xiaojiang Li
in
Analytics Vidhya

Mapping sun glare (dazzling sun while driving)using Google Street View

Just to think about that every time you drive from West to East at the sunrise time or drive from East to West during sunset time, do you…

Sep 15, 2019

Mapping sun glare (dazzling sun while driving)using Google Street View

Sep 15, 2019

Xiaojiang Li

Mapping the shade provision of street greenery using Google Street View

Thermal comfort in cities has become more and more important, especially in the context of global warming and rapid urbanization. Urban…

Jun 10, 2018

Mapping the shade provision of street greenery using Google Street View

Jun 10, 2018

Xiaojiang Li

Using Google Street View to map the openness of street canyons of Boston

City streets are a focal point of human activity in urban centers. Citizens interact with the urban environment through its streetscape and…

Mar 18, 2018

Using Google Street View to map the openness of street canyons of Boston

Mar 18, 2018

Xiaojiang Li

Xiaojiang Li

Spatial Data Scientist, Urban Scientists, Prof at UPenn, Founder of Biomteors, Alum of MIT Senseable, http://www.urbanspatial.info, http://www.biometeors.com

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