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Image Resolution

Resolution can be defined as "the ability of an imaging system to record fine details in a distinguishable manner". A working knowledge of resolution is essential for understanding both practical and conceptual details of remote sensing. Along with the actual positioning of spectral bands, they are of paramount importance in determining the suitability of remotely sensed data for a given applications. The major characteristics of imaging remote sensing instrument operating in the visible and infrared spectral region are described in terms as follow:

One of the most widely used of all maps is the topographic map. The feature that most distinguishes topographic maps from maps of other types is the use of contour lines to portray the shape and elevation of the land. Topographic maps render the three-dimensional ups and downs of the terrain on a two-dimensional surface.

One of the most important components of a Geographic Information System (GIS) is an accurate map delineating land parcel ownership. Many states have strict requirements for this mapping, as an accurate cadastral map is commonly a primary tool in the assessment of land values for tax purposes. In a digital format and linked to an assessment database, the GIS user can quickly query a variety of features. The quality of this mapping affects the confidence the user has in analysis results. Good decisions are based on good data.

What are Contours?

Contour lines connect a series of points of equal elevation and are used to illustrate topography, or relief, on a map. They show the height of ground above Mean Sea Level (M.S.L.) in either feet or metres and can be drawn at any desired interval. For example, numerous contour lines that are close together indicate hilly or mountainous terrain; when far apart, they represent a gentler slope

Various types of thematic maps can be created. These themes can be assigned meaningful colors and the legend control can be used to see the legend of the themes created. Thematic mapping refers to the creation of maps, which emphasize specific characteristics of a given geographic area. Thematic maps are particularly well suited for presenting complex information in an understandable format. Making complex information understandable is a primary purpose of any map geared toward the general public.

We provides a wide range of data conversion services to complement Geospatial Technology Applications for Automated Mapping/Facilities Management (AM/FM) projects and Geographical Information Systems (GIS) which include:

Remote Sensing is the science and art of acquiring information (spectral, spatial, temporal) about material objects, area, or phenomenon, without coming into physical contact with the objects, or area, or phenomenon under investigation.

Major investments need to be made in society’s utility supply lines; Water mains, sewage systems, telephone lines, power lines, gas mains, etc. Often the geographic location is recorded on inferior quality maps and in some cases it is not documented at all.
Certainty of supply, environmental protection and efficiency of operations, however, require good basic data. Excavation damage can be largely avoided when reliable information regarding location and description of pipelines is available. Repair and replacement of pipes can be carried out in the optimal manner when based on an efficient information system.