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edzer committed Nov 22, 2024
1 parent 01bbf3c commit c00a188
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1 change: 1 addition & 0 deletions .Rbuildignore
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changes2.txt
changes3.txt
changes.txt
aware.patch
4 changes: 2 additions & 2 deletions R/wkt.R
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Expand Up @@ -82,7 +82,7 @@ prnt.GEOMETRYCOLLECTION = function(x, ..., EWKT = TRUE) {
#' @param ... modifiers; in particular \code{digits} can be passed to control the number of digits used
#' @name st_as_text
#' @details The returned WKT representation of simple feature geometry conforms to the
#' \href{https://www.ogc.org/standard/sfa/}{simple features access} specification and extensions
#' \href{https://www.ogc.org/publications/standard/sfa/}{simple features access} specification and extensions
#' (known as EWKT, supported by PostGIS and other simple features implementations for addition of
#' a SRID to a WKT string).
#' @note To improve conversion performance, the lwgeom package can be used (it must be installed
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#' @rdname st_as_sfc
#' @md
#' @details If `x` is a character vector, it should be a vector containing
#' [well-known-text](https://www.ogc.org/standard/wkt-crs/), or
#' [well-known-text](https://www.ogc.org/publications/standard/wkt-crs/), or
#' Postgis EWKT or GeoJSON representations of a single geometry for each vector element.
#' @param crs integer or character; coordinate reference system for the
#' @param GeoJSON logical; if \code{TRUE}, try to read geometries from GeoJSON text strings
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12 changes: 9 additions & 3 deletions man/geos_unary.Rd

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2 changes: 1 addition & 1 deletion man/st_as_sfc.Rd

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2 changes: 1 addition & 1 deletion man/st_as_text.Rd

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4 changes: 2 additions & 2 deletions vignettes/sf1.Rmd
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file.remove("nc.shp", "nc.dbf", "nc.shx")
```

[Simple features](https://en.wikipedia.org/wiki/Simple_Features) or [_simple feature access_](https://www.ogc.org/standard/sfa/) refers to a formal standard (ISO 19125-1:2004) that describes how objects in the real world can be represented in computers, with emphasis on the _spatial_ geometry of these objects. It also describes how such objects can be stored in and retrieved from databases, and which geometrical operations should be defined for them.
[Simple features](https://en.wikipedia.org/wiki/Simple_Features) or [_simple feature access_](https://www.ogc.org/publications/standard/sfa/) refers to a formal standard (ISO 19125-1:2004) that describes how objects in the real world can be represented in computers, with emphasis on the _spatial_ geometry of these objects. It also describes how such objects can be stored in and retrieved from databases, and which geometrical operations should be defined for them.

The standard is widely implemented in spatial
databases (such as [PostGIS](https://postgis.net/)), commercial GIS (e.g., [ESRI
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vertices._" We will see soon that the same standard will extend
its coverage beyond 2D and beyond linear interpolation. Here, we
take simple features as the data structures and operations described
in the [standard](https://www.ogc.org/standard/sfa/).
in the [standard](https://www.ogc.org/publications/standard/sfa/).

## Dimensions

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