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Grid 150m classification

This visualization shows two quantitative dimensions at once, on a 150 meter square grid in a study area in California. The base color is a category of land use, and the gray shading is a percentage of developable acreage. The number on each grid cell, drawn using QGis, is synonymous with the gray shade.

Stage of Summarization

Here grid cells are classified into three types by landuse, and county parcels are split along grid cell boundaries, in preparation for computing a result stored into a database table of grid cells as table rows. Note that roadways, water bodies and some public lands are correctly absent in net calculations, but since the area […]