System and method for performing flood zone certifications
DCFirst Claim
1. A method for displaying maps for use in determining flood zone classifications for real property, comprising:
- receiving property identification data in a data processing system;
determining geographic coordinates corresponding to the property identification data;
ascertaining a georeferenced map that contains the geographic coordinates and is usable to make a flood zone determination for the real property; and
displaying the georeferenced map with image coordinates corresponding to the geographic coordinates.
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Abstract
After FEMA flood maps are scanned and converted to raster maps on a computer system, they are georeferenced. The georeferenced raster maps are stored on the system. Map inset polygons are surrounded by a virtual bounding box and a determination is made whether each grid rectangle intersects any bounding box. For each such intersection, the relevant inset polygon is traced to determine if it actually intersects the grid rectangle. If there is such intersection, the inset polygon is added to a list attached to the grid rectangle. At the end of the process, the list for each grid rectangle identifies each inset polygon intersected thereby. When an address of a property subject to a flood zone determination is entered into the system and geocoded, the grid rectangle containing the address is immediately called up. If only one inset polygon is on the list, it is used to make the flood determination. If more than one inset polygon is on the list, the various polygons are examined to determine which one is appropriate for making the flood determination, which is then made.
59 Citations
21 Claims
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1. A method for displaying maps for use in determining flood zone classifications for real property, comprising:
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receiving property identification data in a data processing system;
determining geographic coordinates corresponding to the property identification data;
ascertaining a georeferenced map that contains the geographic coordinates and is usable to make a flood zone determination for the real property; and
displaying the georeferenced map with image coordinates corresponding to the geographic coordinates. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for generating maps for use in determining flood zone classifications for real property, comprising:
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receiving property identification data in a data processing system;
determining geographic coordinates corresponding to the property identification data;
examining a plurality of candidate maps with boundaries that are proximate to the geographic coordinates;
inspecting the candidate maps to determine which contains the geographic coordinates and is usable to make the flood zone determination for the real property;
displaying the determined map with image coordinates corresponding to the geographic coordinates; and
displaying, with the determined map, data useful in making the flood zone determination. - View Dependent Claims (11, 12, 13, 14)
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15. A method for facilitating flood zone determinations for real property, comprising:
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receiving property identification data in a data processing system;
determining geographic coordinates corresponding to the property identification data;
displaying a base map with image coordinates that correspond to the geographic coordinates; and
displaying, with the base map, data that is usable to make a flood zone determination for the real property. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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Specification