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Linear map features that designate the location of such sharp changes in surface relief as retaining walls, curbs and drainage ditches. Superimposed on a TIN (array of 3D triangular faces), they introduce a bias so that the applied surface modeling process generates a 3D surface and/or contour map that accurately defines these near vertical to vertical features.

  1. Titles displayed across the top of a database table that describes the content of each data field.
  2. First record in a data file that contains identifying information and instructions that apply to all other components of the file or data set it contains.
  3. In image files, a header stores information about format and/or registration coordinates.
  1. A branching information storage system such that one record serves as the base. From this parent record, the data structure branches out to reference subordinate child records, which in turn branch out to more detailed records.
  2. Database system in which the most significant information is stored in the most easily accessible location and the less significant dependent data is stored in subordinate less accessible locations.

Programming languages such as BASIC, PASCAL, or C++ that enable programmers to develop software applications using ordinary words and symbols rather than binary numbers. Also referred to as forth generation languages. Typically a compiler transforms any one statement in such programs into many specific computer instructions.

Spatial features linked to DBMS records that meet the conditions of a logical and/or spatial search query are displayed differently so that they can be visually differentiated from those that did not. Typical techniques include changing their color, width, fill or hatch pattern, or in 3D views, thickness. Also applies to image enhancement techniques (See Image Processing).

Space on the World Wide Web.

Click here to expand contentClick here to collapse content  HTML

Acronym for for HyperText Markup Language, a coding alanguage used to create Hytpertext couments for usin the World Wide Web. You can specify that a block of text, or a word, is "linked" to another file on the Intenet.

Combination of two different formats together. For example, a vector data overlay draped on top of a raster image.

Any text embedded in a computer display that "links" to other documents. Other documents are displayed by simply double clicking on a Hypertext Word.

Computer techniques used to interpret and manipulate raster data including:

  1. Enhancement - aid in the interpretation of an image by changing the display color and/or intensity of pixels (highlighting) that represent areas that share a common set (or range) of physical characteristics.
  2. Rectification - Fitting the image to a map base by eliminating distortion due to the curvature of the earth, position of the camera or scanner, and/or varying terrain elevation.
  3. Classification - Assigning pixies within an image to one category (land cover, soil category, etc.) or another according to their associated relative intensity measurements.
  4. Data Merging - superimposing vector data on top of image data.
  1. Digital representation of spatial data stored in raster format. Scanned photos, maps, diagrams, or remote sensing data (aerial photos, satellite scenes, radar telemetry) electronically stored as a raster (pixel) data set made up of either binary or integer values representing (singular or multiple) reflected light, heat, and/or other relative intensity measurements.
  2. Exact copy of data in a file transferred to another medium.
  3. One of the three kinds of Data (spatial, textural and image).

Geographic display of the location in which an event took place such as a crime, accident, fire, or reported health hazard or disease. Typically used to examine patterns of occurrences of a specific condition or class of conditions.

Logically ordering information components by the values present in a key field. An identifier used to access stored information. DBMS table ID field of other data feature used to expedite locating a specific record (text, images, spatial) within a database.

Widely accepted and commonly used operating systems, software, data formats, network protocols, and procedures that are compatible on wide a variety of commonly used hardware platforms. A format of data or a type of software commonly used within a professional discipline.

Computer system that has the ability to perform data collection, assembly, interrogation, visualization and communication.

Collection of data organized in a manner that is used to support the decision making process. Knowledge derived from experience, instruction and or study. Communication of knowledge. Data processed into a more meaningful form through comparison, summary, classification, and association. See Knowledge.

  1. Underlying operational framework especially for an organization or a system.
  2. Basic facilities and services needed for the functioning of a community or society, such as transportation and communications systems, water and power lines, and public institutions including schools, post offices, and prisons.

More detailed (larger scale) representation of a specific area on a map usually placed in an uncluttered portion of the same sheet as the smaller scale main map.

Procedure that requires regular input from the end-user. A back and forth dialog between the user and a computer. Typically a point-and-click user interface to easily create and edit spatial database features. In digitizing, procedure by which a system user converts a manual drawn image into a digital format for use spatial databases. Display capabilities which support real time spatial manipulation. Dialog between user and computer in a sequence of requesting instructions and responsive computer prompts.

  1. Surface forming a common boundary between adjacent regions, bodies, substances, or phases.
  2. Junction between two or more components of an information system. Typically, the link between the spatial database and nongraphic (DBMS) databases.
  3. Point of interaction or communication between a computer and any other entity, such as a printer or human operator.

World-wide international communications network comprised of thousands of government and academic networks each of which is using TCP/IP protocols. (See TCP/IP).

Communication between different computer systems. Seamless accessing and sharing of multiple data structures across multiple hardware platforms, operating systems and application software. For example, software A using hardware B being able to access and operate on data C.

Process of inserting, estimating, or finding a value intermediate to the values of two or more known points in space. Estimation of an elevation value at an unsampled point based on the known elevation values of surrounding points. Process of inserting, estimating, or finding a value intermediate to the values of two or more known points in space.

Set of elements that contains elements shared by two or more given sets of elements. In spatial analysis, polygons within two or more overlays are combined together to form a composite polygon overlay made up of an array of closed "sub-area" polygons, each of which is assigned a list of attributes that describe the combination of conditions present within its boundary. Such attribute tables may reside in external DBMS or tables stored within the spatial database. See Overlay.

Any two or more small number of computer networks connected together.

 

Assessor

Dan Anderson

Dan Anderson

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Lewiston, ID 83501

Mailing Address
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Lewiston, ID 83501

Phone
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Fax
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