Mapping
Wildfire Risk & Powerlines
QGIS
Blender
3D Map in QGIS & Blender
- Exported map from QGIS in B&W or color raster layers
- Imported B&W raster layers to Blender to drive mesh deformation, making a 3D model of the data
- Imported other B&W layers to control Cycles material properties
- Imported color raster layers to create emissive and colored materials
- Rendered fully textured 3D model of the map using Blender Cycles rendering engine
St Olaf Map
QGIS
Illustrator
Drawing Shapefiles in Illustrator
- Imported satellite imagery from Mapbox and Google Earth into Adobe Illustrator
- Drew outlines around all paths and roads
- Used Illustrator's Pathfinder tools to ensure each feature was a single, enclosed path
- Converted paths to shapefile polygons
- Georeferenced polygons to WGS84 projection
- Extracted topo contours from 1m LIDAR data
- Transformed and overlaid other georeferenced data
Data Sources: |
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Satellite Imagery: | Mapbox (Gaia Subscription), Google Earth |
LIDAR: | Minnesota Geospatial Commons |
Vegetation: | GAP/LANDFIRE National Terrestrial Ecosystems 2011 |
Natural Lands Pond: | St. Olaf GIS |
Steam Tunnel System: | St. Olaf Framework Plan 2016 |
Washington DC AirBNB Map
QGIS
R
Python
Washington DC Airbnb Map
- Maps intended to visualize inputs for a price-prediction regression
- Upper map circles represent AirBNBs, colored by price and sized by the number of people each AirBNb accomodates
- Hard light blending mode makes it easier to see all the datapoints, while allowing them to overlap and without losing saturation and intensity like if they were blended with opacity
- Lower map colors all buildings by the LD50 sound level at that point in the city—louder areas are red
- Original plan was to test if sound level was significant; as a proxy test for missing variables, but it was not significant.
- Surprisingly, a geospatially lagged model did not significantly outperform a standard regression
Data Sources: |
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Building Footprints: | Open Data DC Building Footprints |
Swimming Pools: | Open Data DC Swimming Pools |
Railroads: | Open Data DC Railroads |
Trees: | Open Data DC Urban Forestry Trees |
Curbs: | Open Data DC Curbs |
Roads: | Open Data DC Roads |
Sidewalks: | Open Data DC Sidewalks |
Alleys & Parking: | Open Data DC Alleys and Parking |
Water: | Open Data DC Waterbodies |
Topography | Open Data DC 10 foot contours
Open Data DC 2 foot contours |
Sound Level | Geospatial sound modeling. 2013-2015, NPS IRMA |
Jeffco Car Crashes
QGIS
Subtle Basemap, Bright Data
- Gathered zoning areas, water areas, and open space areas to create subtly textured basemap
- Overlaid all recorded Jeffco crashes as tiny points
- Rendered transparent 5mm radius linear heatmap of crashes
- Rendered transparent 20mm radius linear heatmap of crashes on top
- Combined, the two heatmaps approximate a non-linear heatmap falloff which makes the data more comprehensible at a glance
Data Sources: |
|
Crashes: | Jefferson County Crash |
Zoning: | Jefferson County Zoning |
Open Space: | Jefferson County Open Space |
Water: | TIGER/Line Areawater |