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In GRASS, the CRDSS areas were selected. This involved ?clipping? data by the Colorado <br />? <br />State boundaries (including a 100-mile buffer in some cases) and then selecting the areas west <br />of the Continental Divide. <br /> <br />A task memorandum detailing the coverages and data populated was prepared. To view a <br />? <br />detailed listing of final data and sources, please read Task Memorandum 1.06-3. <br /> <br />A procedure for transferring the data from ARC/INFO to GRASS has been developed and is <br />? <br />documented in a revised version of Task Memorandum 1.06-2. <br /> <br />A number of structures and the associated irrigated parcels were obtained from the State. A <br />? <br />map was generated showing the areas being served by each structure. <br />A number of reports were generated showing statistics for the GIS coverages. <br />? <br />Subtask 2: Establish GIS INFORMIX Link <br />Existing GRASS 4.0 functions were sorted and updated to GRASS 4.1 in a library format on <br />? <br />the Silicon Graphics Incorporated (SGI) workstation. <br /> <br />Data management interfaces (DMIs) were developed to retrieve data stored in the relational <br />? <br />database (physical characteristics, station, and historical) corresponding to locations displayed <br />in the visual data browser (VDB). <br /> <br />A link between IDS Group machines (IRIX 5.2) and the RTi INFORMIX server was <br />? <br />established to link VDB site maps with data in the INFORMIX database. <br /> <br />A link from GRASS to the INFORMIX database was established and tested. <br />? <br /> <br />Links from GRASS to INFORMIX for climate data (min, max, and average temperatures), <br />? <br />precipitation, and flows were then created. <br /> <br />Data stored in INFORMIX can now be accessed by clicking on the VDB maps showing the <br />? <br />crdssgr <br />sites for each type of data. The graphs are being prepared using the utility. <br />Subtask 3: Finalize Database Design <br />The database design was finalized. <br />? <br />Subtask 4: Updating and Porting Software <br />ARC/INFO was installed on the IDS SGI (Fall). <br />? <br /> <br />GRASS 4.1 was installed on the IDS SGI (Fall). This included fixing some bugs in the GRASS <br />? <br />code that showed up in the more sensitive SGI compiler. <br /> <br />The current interface for evapotranspiration maps (a project jointly sponsored by the Colorado <br />? <br />Water Resources Research Institute and the State Engineer's Office of Colorado) developed by <br />the IDS Group was ported to the SGI from a SUN workstation. Since the running platform has <br />2 <br />A 275 01.08.95 1.06-4 Lange <br />