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Thursday, May 14, 2020 | History

3 edition of Cartographic projection procedures for the UNIX environment found in the catalog.

Cartographic projection procedures for the UNIX environment

Gerald Ian Evenden

Cartographic projection procedures for the UNIX environment

a user"s manual

by Gerald Ian Evenden

  • 136 Want to read
  • 23 Currently reading

Published by U.S. Geological Survey in [Reston, Va.] .
Written in English

    Subjects:
  • Cartography -- Computer programs,
  • Map projection

  • Edition Notes

    Statementby Gerald I. Evenden.
    SeriesOpen-file report -- 90-284., U.S. Geological Survey open-file report -- 90-284.
    ContributionsGeological Survey (U.S.)
    The Physical Object
    Paginationiv, 63 p. :
    Number of Pages63
    ID Numbers
    Open LibraryOL17603435M
    OCLC/WorldCa21952005

    Figure out the size of the input files Evenden, G. L, Cartographic projection procedures for the unix 4. Check whether the sizes are identical environment-a user's manual, Tech. rep., U.S. Geological Survey, Woods Hole, MA, USA, USGS Open File Report , Cited by: 2. Aside from the title Cartographic Science: A Compendium of Map Projections, with Derivations by Donald Fenna, two other references concerning Map Projections book literature are also worth of notice, as the 2nd edition of the title Map Projections: Cartographic Information Systems by Erik Grafarend with twice the number of pages and costing about twice the price of Donald Fenna book Cited by:

    The next time you examine the Cartographic Coordinate System environment setting, it will be set to As Specified Below, defined as the coordinate system that was read from the display. If you subsequently change the coordinate system of the display or the layer that was used to set the value, the Cartographic Coordinate System environment. Cartographic generalization, or map generalization, includes all changes in a map that are made when one derives a smaller-scale map from a larger-scale map or map data, or vice-versa. Whether done manually by a cartographer or by a computer or set of algorithms, generalization seeks to abstract spatial information at a high level of detail to information that can be .

    In a typical production environment, a map has many copies. You must have source files to support mass production of a map. Vector or raster digital files can produce color separates. Frequently, production creates digital files only. Production management. The product library's file management system can archive cartographic outputs. It can. Only the input features covered by the extent of the partition features will be processed when the Cartographic Partitions environment setting is used, even if the Output Extentenvironment is set to a larger extent than the partition features. Features outside this extent will be ignored.


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Cartographic projection procedures for the UNIX environment by Gerald Ian Evenden Download PDF EPUB FB2

Cartographic Projection Procedures for the UNIX Environment A User's Manual By Gerald I. Evenden Abstract A tutorial description of the general usage of the cartographic projection program proj (release 3) along with specific cartographic parameters and illustrations of the approxi­ mately 70 cartographic projections supported by the program Cited by: Cartographic Projection Procedures for the UNIX Environment—A User’s Manual Gerald I.

Evenden 1st January Abstract A tutorial description of the general usage of the cartographic projection program proj (release 3) along with specific cartographic parameters and illustrations of the ap-proximately 70 cartographic projections supported File Size: 5MB.

A tutorial description of the general usage of the cartographic projection program proj (release 3) along with speci c cartographic parameters and illustrations of the ap- proximately 70 cartographic projections supported by the program is presented.

The program is designed as a standard Unix lter utility to be employed with other pro- grams in the generation of maps and charts and, in.

In cartography, a map projection is a way to flatten a globe's surface into a plane in order to make a map. This requires a systematic transformation of the latitudes and longitudes of locations from the surface of the globe into locations on a plane.

All projections of a sphere on a plane necessarily distort the surface in some way and to some extent. PROJ (formerly PROJ.4) is a library for performing conversions between cartographic library is based on the work of Gerald Evenden at the USGS, but is now an OSGeo project maintained by Howard Butler.

The library also ships with executables for performing these transformations from the command lineWritten in: C++, C. Cartographic Projections representations of the entire Cartographic projection procedures for the UNIX environment book of the earth’s ellipsoid or some part of it on a plane; produced mainly for the construction of a map.

Scale. Cartographic projections are made on a definite scale. By hypothetically reducing the earth’s ellipsoid by a factor of M— for example, 10,—we obtain a geometric.

Cartographic Projection Procedures for the UNIX Environment—A User’s Manual (considered “the” manual for PROJ.4) explains how to build the specification. At the time of this blog post there are named (i.e.

+proj=NAME) projections availble for use & customization (run proj -l at a command-line to see the full list). Cartographic Projection Procedures for the UNIX Environment-A User's Manual, (Evenden,Open-file report ).

Map Projections Used by the U. Geological Survey (Snyder,USGS Bulletin ). Map Projections-A Working Manual (Snyder,USGS Prof. Paper ).

An Album of Map Projections (Snyder & Voxland,USGS Prof. Projection, in cartography, systematic representation on a flat surface of features of a curved surface, as that of the a representation presents an obvious problem but one that did not disturb ancient or medieval cartographers.

Only when the voyages of exploration stimulated production of maps showing entire oceans, hemispheres, and the whole Earth did the question. where and are functions satisfying some general conditions.

(A map projection can also be defined by equations in which some planar coordinates other than the rectangular ones are used.) The representations of the meridians (lines of constant longitude) and the parallels (lines of constant latitude) under a given map projection form a cartographic network (or graticule).

The cartographic process is a cycle that begins with a real or imagined environment. As map makers collect data from the environment (through technology and/or remote sensing), they use their perception to detect patterns and subsequently prepare the data for map creation (i.e., they think about the data and its patterns as well as how to best visualize them on a map).

Cartographic projection synonyms, Cartographic projection pronunciation, Cartographic projection translation, English dictionary definition of Cartographic projection.

n a means of representing or a representation of the globe or celestial sphere or part of it on a flat map, using a grid of lines of latitude and longitude. Cartographic Projection Procedures for the UNIX Environment—A User’s Manual (considered “the”manual for PROJ.4) explains how to build the specification.

At the time of this blog post there are named (i.e. +proj=NAME) projections availble for use & customization (run proj -l at a command-line to see the full list). map projection, transfer of the features of the surface of the earth or another spherical body onto a flat sheet of paper. Only a globe can represent accurately the shape, orientation, and relative area of the earth's surface features; any projection produces distortion with regard to some of these characteristics.

T1 - Cartographic generalization in a digital environment. T2 - when and how to generalize. AU - Shea, K. AU - Mc Master, Robert B. PY - /1/1. Y1 - /1/1. N2 - How should cartographic generalization be embodied in a digital environment?Cited by: Cartographic Projection.

The world is round, but maps are flat. A projection is a scheme for converting points on the round world to points on a flat map. There are many different types of projections, each with advantages and disadvantages. Here is the proj4 command line for the ‘SAD69 Brazil Polyconic, ESPG’ projection, which I cut and pasted from QGIS CRS dialog box.

Apparantly this projection is a close relative of the RPG projection, even though they visually appear to be completely different. Define cartographic. cartographic synonyms, cartographic pronunciation, cartographic translation, English dictionary definition of cartographic.

Cartographic projection; Cartographic Projections; Cartographic Reference Service; Cartographic relief depiction; Cartographic relief depiction; cartographic satellite; Cartographic Sources. General Cartographic Transformation Package. or GCTP is one of the oldest systems. It is a package of FORTRAN procedures that provide forward and inverse projection of about 23 cartrographic projections.

It is the "official" system of the National Mapping Division (NMD) of the US Geological Survey. Chapter 9 Cartographic Principles. From projections to data management to spatial analysis, we have up to now focused on the more technical points of a geographic information system (GIS).

This chapter is concerned less with the computational options available to the GIS user and more with the artistic options. THE CARTOGRAPHIC PROCESS Cartographic Generalization Concepts Map production necessarily involves undertaking a number of processes which are collectively described as Cartographic Abstraction.

This is the process whereby we transform features of the earth onto a map. This involves far more than mere or simple reduction.5/5(1).It can even refer to the way adorable shadow puppets are cast onto a wall.

In the case of Yellowfin’s Business Intelligence solution, sadly, it is only used in one context – cartographic projection for mapping. In this blog I will attempt to take .GeoProjectionData ["UPSZone"] gives the names of the two UPS zones.

For any state plane, UTM zone, or UPS zone, GeoProjectionData [" zone "] gives the name and the standard parameters of the projection used. A geo projection proj can be used in GeoGridPosition [pos, proj] or in GeoGraphics [prims, GeoProjection-> proj].