Xiaojiang LiUS racial/ethnical dot map in Neighborhood FactsWe published the Neighborhood Facts App (link) a couple of months ago. Through the App, you can check the socio-economic statuses of…Apr 26, 2023Apr 26, 2023
Xiaojiang LiA mobile App to check the maps of neighborhood socioeconomic statusesRecently, 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, 2023Mar 30, 2023
Xiaojiang LiThe world’s first mobile App to check sun glareIn 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, 2022Dec 8, 2022
Xiaojiang LiMap choropleth map of half-million building footprints using MapboxWhen you start web mapping, you may use Leaflet and geojson to create your first web-based geovisualization. However, if you try to…Nov 2, 2020Nov 2, 2020
Xiaojiang LiExamining the spatial distribution and temporal change of street trees using Google Street ViewAs an important part of the urban ecosystem, urban trees provide various benefits to urban residents. It is therefore important to examine…Oct 10, 2020Oct 10, 2020
Xiaojiang LiChange projections of point feature using different versions of PyprojIn 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, 2020Aug 22, 2020
Xiaojiang LiCreate point feature class (shapefile) using FionaIt 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, 2019Dec 10, 2019
Xiaojiang LiinAnalytics VidhyaMapping sun glare (dazzling sun while driving)using Google Street ViewJust 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, 2019Sep 15, 2019
Xiaojiang LiMapping the shade provision of street greenery using Google Street ViewThermal comfort in cities has become more and more important, especially in the context of global warming and rapid urbanization. Urban…Jun 10, 2018Jun 10, 2018
Xiaojiang LiUsing Google Street View to map the openness of street canyons of BostonCity streets are a focal point of human activity in urban centers. Citizens interact with the urban environment through its streetscape and…Mar 18, 2018Mar 18, 2018