## Research Project Update Two 12/4/2010

A backlogged update on my work with Grasshopper, GIS data, and Excel.

My second experiment with data analysis deals with analyzing objects in coordinate systems (much like GIS data). I wrote a Grasshopper script that reads coordinate data from Excel and visualizes/analyzes that data in Rhino/Grasshopper.

Below, I’ve attached an image of the script in action. The Excel file with each circle’s coordinates and radius is in the top left and the Grasshopper output is in the bottom left. Grasshopper shades the circles blue if they are located relatively close to other circles and red if they are relatively far from other circles.

Since the script requires a running instance of Excel, I can manipulate the Excel data in real-time and watch the Rhino/Grasshopper visualization compute the changes. Below, I have changed the Excel data input.

This script could be applied to any GIS data analysis, where the circles might be coordinates of parks and users are computing the proximity of parks to other systems.

My hope for a final research experiment is to combine the lessons of these two experiments: flow dynamics/visualization (*Research Update One*) and coordinate analysis/visualization (*Research Update Two*) to produce systems dynamics in real GIS data.

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