The invention relates to an altimeter for detecting and displaying the altitude above the sea level of a location by measuring the ambient atmospheric pressure. In order to compensate for changes in air pressure due to meteorological reasons, such as temperature, an adjustment or reset mechanism is
The invention relates to an altimeter for detecting and displaying the altitude above the sea level of a location by measuring the ambient atmospheric pressure. In order to compensate for changes in air pressure due to meteorological reasons, such as temperature, an adjustment or reset mechanism is provided with the purpose of adjusting or resetting the altimeter to a given stored height at a given moment. This is only effected if at that moment, the air pressure that has been measured indicates height coinciding with the given stored height within a predetermined tolerance limit.
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The invention relates to an altimeter for detecting and displaying the altitude above the sea level of a location by measuring the ambient atmospheric pressure. In order to compensate for changes in air pressure due to meteorological reasons, such as temperature, an adjustment or reset mechanism is
The invention relates to an altimeter for detecting and displaying the altitude above the sea level of a location by measuring the ambient atmospheric pressure. In order to compensate for changes in air pressure due to meteorological reasons, such as temperature, an adjustment or reset mechanism is provided with the purpose of adjusting or resetting the altimeter to a given stored height at a given moment. This is only effected if at that moment, the air pressure that has been measured indicates height coinciding with the given stored height within a predetermined tolerance limit. he evaluation. 2. A method as in claim 1, wherein: step (f) includes examining insets contained in the lists associated with grid rectangles that do not contain the geocoded location but abut and are proximate the one grid rectangle containing the geocoded location. 3. A method as in claim 1, wherein: the data for performing the evaluation is properly obtainable only from one of the maps, which method further comprises: (f1) examining the list of insets contained on the list associated with the grid rectangle containing the geocoded location; and (i) if there is only one inset on the list, using the data on its map to complete the evaluation, or (ii) if there is more than one inset on the list, inspecting their respective insets to determine which inset-containing map is appropriate and using the data on that one map to complete the evaluation. 4. A method as in claim 3, wherein: the characteristic or trait is a geographic, demographic, ecological or climatological trait. 5. A computer-implemented method of performing trait evaluations for real property using plural, initially non-georeferenced flood maps, comprising: (a) forming a raster image of each flood map; (b) constructing polygons enclosing each inset of the flood maps; (c) georeferencing the flood maps by the use of another georeferenced map that depicts the same geographic area as the flood maps; (d) constructing a bounding box around each inset polygon; (e) defining a virtual rectangular geographic grid system; (f) for each grid rectangle that intersects an inset bounding box, tracing the inset enclosed by the bounding box to determine if there is intersection of the grid rectangle and the inset; (g) if there is intersection of the grid rectangle and the inset, adding the identity of the inset to a list associated with the grid rectangle; (h) geocoding the location of the geographic location; and (i) examining the insets contained in the list associated with the one grid rectangle containing the geocoded location and, using the data thereon, performing the evaluation. 6. A method as in claim 5, wherein: the flood maps are FEMA paper maps. 7. A method as In claim 5, wherein: the characteristic or trait is a geographic, demographic, ecological or climatological trait. 8. A computer system for evaluating a characteristic of a geographic location from plural, initially non-georeferenced maps that depict the characteristic being evaluated and other related data, the maps having been georeferenced, which comprises: (a) first facilities including a pointing device for constructing a virtual bounding box around each inset of the maps; (b) second facilities for determining each grid rectangle that intersects a bounding box and for tracing the inset enclosed by the bounding box to determine if there is intersection of the grid rectangle and the inset; (c) third facilities for determining whether there is intersection of a grid rectangle and an inset, and, if there is, for adding the identity of the inset to a list associated with the grid rectangle; (d) fourth facilities for geocoding the location of the geographic area; and (e) fifth facilities for examining the list of insets contained on the list associated with the grid rectangles containing the geocoded location and those grid rectangles proximate there, and, using the data thereon, for performing the evaluation. 9. A system as in claim 8, wherein: the characteristic or trait is a geographic, demographic, ecological or climatological trait. 10. A system as in claim 8, wherein: the data for performing the evaluation is properly obtainable from only one of the maps, and wherein: (f1) the fifth facilities perform so that if there is only one inset on the list, the data on its map is used to complete the evaluation, or, if there is more than one inset on the list, their respective insets are inspected to determine which inset-containing m
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이 특허에 인용된 특허 (4)
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