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Eugene �tL <br />UGB <br />Model Area w ., <br />Acquire, Combine, Analyze, Classify <br />Step 1: Acquire and evaluate the data <br />The data layers described earlier were acquired from several sources, including local, state and federal <br />agencies. The data layers used are the result of considering the type of data needed to develop a <br />residential land inventory and locating the best available data. For example, Figures 1 and 2 at the end <br />of this Part I show the 2012 comprehensive plan designations used for Eugene. A processing <br />methodology was developed, as described further in steps 2 through 5, for how the selected data layers <br />are integrated into the geospatial model, processed, and result in a land supply. Evaluation of the data <br />and development of the analysis processes (the methodology) was completed by government staff, with <br />support from consultants and the TRG that spent many hours vetting the data and analysis. <br />Step 2: Create a land supply layer <br />The overlay of all the data layers together in the geospatial model creates one integrated layer — the <br />land supply — which divides the UGB into tens of thousands of individual pieces or polygons based on <br />their different characteristics. Some people have described the final map layer as looking like "fabric" or <br />"shattered glass" or a quilt. Each piece of land in the land supply fabric carries with it all of the <br />characteristics from the different layers that were overlaid together; land uses and boundaries (e.g. tax <br />Residential Land Supply Study I Final Part I — Page 4 <br />