The sinusoidal projection is a coordinate transform often used to map geographical coordinates on to a flat surface in order to generate a map it is typically stated that this projection is area-preserving, meaning that while shapes and angles may be distorted, the ratio of the area of any region calculated in. Some providers of modis data distribute hdfs containing level 3 grids in sinusoidal projections these providers include the usgs/nasa land processes distributed active archive center (lp daac), which provides a variety of terrestrial data such as land surface temperature (lst) and vegetation. The sinusoidal projection is a pseudocylindrical equal-area map projection, sometimes called the sanson–flamsteed or the mercator equal-area projection jean cossin of dieppe was one of the first mapmakers to use the sinusoidal, appearing in a world map of 1570 the projection is defined by. Sanson-flamsteed (sinusoidal) projection parallels are equispaced and their length is chosen to make an equal area projection it is, in fact, the equatorial case of bonne's projection. I have been work in convert the modis tiles grid from sinusoidal projection to lat long projection using python ogr2ogr it doens't works well, the shapefile reprojected presents some lines that was not present in the original shape and it produces many mismatching link to donwload the original modis. Behrmann, see cylindrical equal-area and apply ϕts=30° berghaus star, pole- centered fusion joins azimuthal equidistant in central hemisphere to five lobes with straight edges 0°n boggs eumorphic, arithmetic average of the sinusoidal and mollweide projections pseudocylindric, equal-area often. The sinusoidal projection and the werner projection are equal area projections of the world there are intermediate projections with similar properties, of which the best known is the bonne projection this article describes an alternative intermediate projection.
The sinusoidal projection is a pseudocylindrical equal-area map projection, sometimes called the sanson–flamsteed or the mercator equal-area projection jean cossin of dieppe was one of the first mapmakers to use the sinusoidal, appearing in a world map of 1570 the projection is defined by: x = ( λ − λ 0 ) cos φ y. Define sinusoidal projection: an equal-area map projection capable of showing the entire surface of the earth with all parallels as straight lines. The sinusoidal projection this projection, also known as the sanson-flamsteed projection, and the mercator equal-area projection, is the simplest pseudocylindrical equal-area projection as we saw previously the width of a degree of longitude is proportional to the cosine of the latitude hence, if we space the parallels. Define sinusoidal projection sinusoidal projection synonyms, sinusoidal projection pronunciation, sinusoidal projection translation, english dictionary definition of sinusoidal projection sinusoidal projection n an equal-area map projection in which parallels and the prime meridian are straight lines and the other meridians.
The sinusodial projection is used for world maps as well as maps of continents and other regions, especially those bordering the equator among the first to show the sinusoidal projection was jean cossin of deippe, who used it for a world map of 1570 in addition, it was used by jodocus hondius for maps of south. Sinusoidal projection this one is a complement to the equirectangular it maintains widths a horizontal ruler measuring a distance will correspond to the same number of kilometers throughout the map since the default rendering of this projection makes the map converge to a single dot at the poles, i favour this interrupted. The sinusoidal projection is equal-area and preserves distances along the horizontals, ie all parallels in an equatorial map are standard lines — but only the central meridian although the equatorial band is reproduced with little distortion, the polar caps suffer from poor legibility due to shearing the partially constant scale. Class cartopycrs sinusoidal (central_longitude=00, false_easting=00, false_northing=00, globe=none)[source]¶ a sinusoidal projection this projection is equal-area kwargs: central_longitude - the central longitude defaults to 0 false_easting - x offset from planar origin in metres defaults to 0 false_northing - y offset.
Graticule central meridian: straight line half as long as the equator other meridians: equally spaced sinusoidal curves intersecting at the poles and concave toward the central meridian parallels: equally spaced straight parallel lines, perpendicular to the central meridian poles: points symmetry: about the central. Illustration of very high detailed map of the world in sinusoidal projection with graticule centered in europe and africa vector art, clipart and stock vectors image 17689842. Sinusoidal projection sc_projections_sinusoidalpng a pseudocylindrical, equal area projection with equally spaced parallels also known as sanson-flamsteed and mercator equal-area.
References: snyder, j p map projections--a working manual u s geological survey professional paper 1395 washington, dc: u s government printing office, pp 243-248, 1987 referenced on wolfram|alpha: sinusoidal projection cite this as: weisstein, eric w sinusoidal projection from mathworld--a. Sinusoidal projection¶ a global equal-area projection where the length of each parallel is equal to the cosine of the latitude from mpl_toolkitsbasemap import basemap import numpy as np import matplotlibpyplot as plt # lon_0 is central longitude of projection # resolution = 'c' means use crude resolution coastlines m. Sinusoidal projection definition, an equal-area projection in which parallels are straight lines spaced at regular intervals, the central meridian is a straight line one-half the length of the equator, and the other meridians are curves symmetrical to the central meridian see more.
Classifications pseudocylindrical equal area equally spaced parallels graticule meridians: central meridian is a straight line half as long as the equator other meridians are equally spaced sinusoidal curves intersecting at the poles and concave toward the central meridian parallels: equally spaced straight parallel lines. Perspective cylindrical projection 2 plate carrée (or simple cylindrical or cylindrical equidistant projection 3 cylindrical equal area projection 4 mercator's projection (cylindrical orthomorphic) 5 sinusoidal projection 6 interrupted sinusoidal (b) a compromise projection 7 mollweide's projection (c) zenithal projections. Hi let's talk about the projection first preventing gaps and overlaps between neighbouring gores that would lead to discontinuities on the map is much more important than reducing the inevitable distortions of angles, distances, or areas within each gore segments of straight lines between the extreme points of a gore with.
Both the sinusoidal and the mollweide homolographic are equal-area projections that distort shapes toward their edges the sinusoidal is more true to shape in lower latitudes. Map projection is a mathematical expression using which the three-dimensional surface of earth is represented in a two dimensional plane the process of projection results in distortion the central meridian is a straight line and all other meridians are equally spaced sinusoidal curves the parallels are straight lines that. Sinusoidal projection definition: an equal-area map projection showing the entire surface of the earth with all lines of latitude as straight lines and all lines of longitude as curved lines. The sinusoidal projection maintains equal area despite conformal distortion as a world map.
Jason davies → maps interrupted sinusoidal projection gores = 3. Sr-org:6974 modis sinusoidal (google it) this is a corrected version of sr- org:6842, describing the global sinusoidal projection used by many modis land products the projection uses a spherical projection ellipsoid but a wgs84 datum ellipsoid not all projection software recognizes the semi_major and.