Planimetrics is the study of
plane measurements, including
angles,
distances, and
areas.
History
To measure planimetrics a
planimeter or
dot planimeter is used. This rather advanced analog technology is being taken over by simple
image measurement
An image is a visual representation of something. It can be two-dimensional, three-dimensional, or somehow otherwise feed into the visual system to convey information. An image can be an artifact, such as a photograph or other two-dimensi ...
software tools like,
ImageJ,
Adobe Acrobat
Adobe Acrobat is a family of application software and Web services developed by Adobe Inc. to view, create, manipulate, print and manage Portable Document Format (PDF) files.
The family comprises Acrobat Reader (formerly Reader), Acrobat (forme ...
,
Google Earth Pro
Google Earth is a computer program that renders a 3D representation of Earth based primarily on satellite imagery. The program maps the Earth by superimposing satellite images, aerial photography, and GIS data onto a 3D globe, allowing users ...
,
Gimp
GIMP ( ; GNU Image Manipulation Program) is a free and open-source raster graphics editor used for image manipulation (retouching) and image editing, free-form drawing, transcoding between different image file formats, and more specialized task ...
,
Photoshop and
KLONK Image Measurement which can help do this kind of work from digitalized images.
In geography
Planimetric elements in geography are those features that are independent of elevation, such as roads, building footprints, and rivers and lakes. They are represented on two-dimensional maps as they are seen from the air, or in aerial photography. These features are often digitized from
orthorectified aerial photography into data layers that can be used in analysis and cartographic outputs.
A ''planimetric map'' is one that does not include
relief data.
See also
*
Horizontal position representation
*
Two-dimensional space
References
Cartography
Infographics
Surveying
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