GML.RdClasses for GML elements and their respective construction functions. See the referenced specification for details.
GmlDirectPosition(pos, srsName = as.character(NA), srsDimension = NA_integer_, axisLabels = as.character(NA), uomLabels = as.character(NA)) GmlDirectPositionLatLon(lat, lon, srsName = as.character(NA), srsDimension = NA_integer_, axisLabels = as.character(NA), uomLabels = as.character(NA)) GmlEnvelope(lowerCorner, upperCorner, srsName = as.character(NA), srsDimension = NA_integer_, axisLabels = as.character(NA), uomLabels = as.character(NA)) GmlFeatureCollection(featureMembers, id = as.character(NA)) GmlPoint(pos, id = as.character(NA), srsName = as.character(NA), srsDimension = NA_integer_, axisLabels = as.character(NA), uomLabels = as.character(NA)) GmlPointProperty(href = as.character(NA), point = NULL) GmlFeatureProperty(href = as.character(NA), feature = NULL) GmlTimeInstant(timePosition, id = as.character(NA), relatedTimes = list(NA), frame = as.character(NA)) GmlTimeInstantProperty(href = as.character(NA), time = NULL) GmlTimeInterval(interval, unit, radix = NA, factor = NA) GmlTimePeriod(begin = NULL, beginPosition = NULL, end = NULL, endPosition = NULL, duration = as.character(NA), timeInterval = NULL, id = as.character(NA), relatedTimes = list(NA), frame = as.character(NA)) GmlTimePosition(time, frame = as.character(NA), calendarEraName = as.character(NA), indeterminatePosition = as.character(NA)) GmlMeasure(value, uom)
| axisLabels | See corresponding slot description. |
|---|---|
| begin | See corresponding slot description. |
| beginPosition | See corresponding slot description. |
| calendarEraName | See corresponding slot description. |
| duration | See corresponding slot description. |
| end | See corresponding slot description. |
| endPosition | See corresponding slot description. |
| factor | See corresponding slot description. |
| feature | See corresponding slot description. |
| featureMembers | See corresponding slot description. |
| frame | See corresponding slot description. |
| href | See corresponding slot description. |
| id | See corresponding slot description. |
| indeterminatePosition | See corresponding slot description. |
| interval | See corresponding slot description. |
| lat | Latitude coordinate parameter. |
| lon | Longitue coordinate parameter. |
| lowerCorner | See corresponding slot description. |
| point | See corresponding slot description. |
| pos | See corresponding slot description. |
| radix | See corresponding slot description. |
| relatedTimes | See corresponding slot description. |
| srsDimension | See corresponding slot description. |
| srsName | See corresponding slot description. |
| time | See corresponding slot description. |
| timeInterval | See corresponding slot description. |
| timePosition | See corresponding slot description. |
| unit | See corresponding slot description. |
| uomLabels | See corresponding slot description. |
| upperCorner | See corresponding slot description. |
| value | See slot description. |
| uom | See slot description. |
Objects can be created by calling the according construction functions. e.g. in the form GmlPoint(...).
GmlFeature:
Class "GmlFeatureOrNULL", directly.
GmlFeatureCollection:
Class "GmlFeature", directly.
Class "GmlFeatureOrNULL", by class "GmlFeature", distance 2.
GmlLineString:
Class "GmlGeometry", directly.
GmlPoint:
Class "GmlGeometry", directly.
GmlTimeGeometricPrimitive:
Class "GmlTimePrimitive", directly.
Class "GmlTimeObject", by class "GmlTimePrimitive", distance 2.
Class "GmlTimeObjectOrNULL", by class "GmlTimePrimitive", distance 3.
GmlTimeInstant:
Class "GmlTimeGeometricPrimitive", directly.
Class "GmlTimeInstantOrNULL", directly.
Class "GmlTimePrimitive", by class "GmlTimeGeometricPrimitive", distance 2.
Class "GmlTimeObject", by class "GmlTimeGeometricPrimitive", distance 3.
Class "GmlTimeObjectOrNULL", by class "GmlTimeGeometricPrimitive", distance 4.
GmlTimeInstantProperty:
Class "GmlTimeGeometricPrimitive", directly.
Class "GmlTimeInstantPropertyOrNULL", directly.
Class "GmlTimePrimitive", by class "GmlTimeGeometricPrimitive", distance 2.
Class "GmlTimeObject", by class "GmlTimeGeometricPrimitive", distance 3.
Class "GmlTimeObjectOrNULL", by class "GmlTimeGeometricPrimitive", distance 4.
GmlTimeInterval:
Class "GmlTimeIntervalOrNULL", directly.
GmlTimeObject:
Class "GmlTimeObjectOrNULL", directly.
GmlTimePrimitive:
Class "GmlTimeObject", directly.
Class "GmlTimeObjectOrNULL", by class "GmlTimeObject", distance 2.
No objects may be created from the following virtual classes: GmlFeature, GmlTimeObject, GmlTimePrimitive, GmlTimeGeometricPrimitive, GmlGeometry, all ...OrNULL classes.
axisLabels:Object of class "character": An character vector of labels for all the axes of this CRS.
begin:Object of class "GmlTimeInstantPropertyOrNULL": An object of class GmlTimeInstantProperty-class, the start time of a GmlTimePeriod-class.
beginPosition:Object of class "GmlTimePositionOrNULL": An object of class GmlTimePosition-class, the start time of a GmlTimePeriod-class.
calendarEraName:Object of class "character": The name of the calendar era.
duration:Object of class "character": Duration of an interval using ISO 8601 syntax for temporal length.
end:Object of class "GmlTimeInstantPropertyOrNULL": An object of class GmlTimeInstantProperty-class, the end time of a GmlTimePeriod-class.
endPosition:Object of class "GmlTimePositionOrNULL": An object of class GmlTimePosition-class, the end time of a GmlTimePeriod-class.
exterior:Object of class "ANY" for future use in GmlPolygon.
factor:Object of class "integer": Factor parameter for a GmlTimeInterval-class. The resolution of the time interval is to one radix ^(-factor) of the specified time unit.
feature:Object of class "GmlFeatureOrNULL": The directly contained feature in a GmlFeature-class.
featureMembers:Object of class "list": A list of GmlFeature-class in a GmlFeatureCollection-class.
frame:Object of class "character": Provides a URI reference that identifies a description of the reference system.
href:Object of class "character": Reference to a property.
id:Object of class "character": The identifier/id attribute (gml:id).
indeterminatePosition:Object of class "character": Inexact temporal positions may be expressed using the optional indeterminatePosition parameter. This takes one of the following values: after, before, now, unknown.
interior:Object of class "ANY" for future use in GmlPolygon.
interval:Object of class "character": Interval parameter for a GmlTimeInterval-class.
lowerCorner:Object of class "GmlDirectPosition": Object of class GmlDirectPosition-class, the lower (left) corner of an GmlEnvelope-class.
point:Object of class "ANY": An object of class GmlPoint in a GmlPointProperty-class.
points:Object of class "list" A list of positions for future use in GmlLineString.
posList:Object of class "ANY": A list of positions for future use in GmlLineString.
pos:Object of class "character": Character string containing the coordinates in a GmlDirectPosition-class, or a GmlDirectPosition-class in a GmlPoint-class.
poss:Object of class "list": A list of positions for future use in GmlLineString.
radix:Object of class "integer": Radix parameter for a GmlTimeInterval-class. The resolution of the time interval is to one radix ^(-factor) of the specified time unit.
relatedTimes:Object of class "list": List of related times.
srsDimension:Object of class "integer": Dimensions of the coordinate reference system as stated in the coordinate reference system definition., e.g. 2.
srsName:Object of class "character": Name of the spatial reference system for bounding box, e.g. "urn:ogc:def:crs:EPSG:4326".
timeInterval:Object of class "GmlTimeIntervalOrNULL": Time interval element in a GmlTimePeriod-class, an object of class GmlTimeInterval-class.
time:Object of class "GmlTimeInstantOrNULL": The actual time as an object of class POSIXt in a GmlTimePosition-class, or an object of class GmlTimeInstant-class in a GmlTimeInstantProperty-class.
timePosition:Object of class "GmlTimePosition": An object of class GmlTimePosition-class in a GmlTimeInstant-class.
unit:Object of class "character": Unit parameter for a GmlTimeInterval-class.
uomLabels:Object of class "character": Unit of measurement labels as an ordered character vector for the axes in a bounding box, e.g. "deg".
upperCorner:Object of class "GmlDirectPosition": Object of class GmlDirectPosition-class, the upper (right) corner of an GmlEnvelope-class.
uom:Object of class "character": The unit of measurement in a OmMeasure object.
uom:Object of class "character": The unit of measurement in a GmlMeasure object.
value:Object of class "numeric": The actual value in a GmlMeasure object.
signature(obj = "GmlDirectPosition", sos = "SOS") or signature(obj = "GmlEnvelope", sos = "SOS") and more: Convert the given element to an XML respresentaion, and XML “encoding”.
The construction functions return an object of the respective class.
The "...OrNULL" classes are used to model optional slots.
GML specification at https://www.opengeospatial.org/standards/gml.
showClass("GmlDirectPosition")#> Class "GmlDirectPosition" [package "sos4R"] #> #> Slots: #> #> Name: pos srsName srsDimension axisLabels uomLabels #> Class: character character integer character character #> #> Extends: "GmlDirectPositionOrNULL"showClass("GmlEnvelope")#> Class "GmlEnvelope" [package "sos4R"] #> #> Slots: #> #> Name: lowerCorner upperCorner srsName srsDimension #> Class: GmlDirectPosition GmlDirectPosition character integer #> #> Name: axisLabels uomLabels #> Class: character charactershowClass("GmlFeature")#> Virtual Class "GmlFeature" [package "sos4R"] #> #> Slots: #> #> Name: id #> Class: character #> #> Extends: "GmlFeatureOrNULL", "GmlFeatureOrGmlFeaturePropertyOrNULL" #> #> Known Subclasses: "GmlFeatureCollection", "SaSamplingPoint", "SaSamplingSurface", #> "SamsSamplingFeature", "WmlMonitoringPoint"showClass("GmlFeatureCollection")#> Class "GmlFeatureCollection" [package "sos4R"] #> #> Slots: #> #> Name: featureMembers id #> Class: list character #> #> Extends: #> Class "GmlFeature", directly #> Class "GmlFeatureOrNULL", by class "GmlFeature", distance 2 #> Class "GmlFeatureOrGmlFeaturePropertyOrNULL", by class "GmlFeature", distance 2showClass("GmlFeatureOrNULL")#> Virtual Class "GmlFeatureOrNULL" [package "sos4R"] #> #> No Slots, prototype of class "NULL" #> #> Known Subclasses: #> Class "NULL", directly #> Class "GmlFeature", directly #> Class ".NULL", by class "NULL", distance 2, with explicit coerceshowClass("GmlFeatureProperty")#> Class "GmlFeatureProperty" [package "sos4R"] #> #> Slots: #> #> Name: href feature #> Class: character GmlFeatureOrNULL #> #> Extends: "GmlFeatureOrGmlFeaturePropertyOrNULL"showClass("GmlGeometry")#> Virtual Class "GmlGeometry" [package "sos4R"] #> #> Slots: #> #> Name: id srsName srsDimension axisLabels uomLabels #> Class: character character integer character character #> #> Known Subclasses: "GmlPoint", "GmlLineString", "GmlPolygon", "SamsShape"showClass("GmlLineString")#> Class "GmlLineString" [package "sos4R"] #> #> Slots: #> #> Name: poss points posList id srsName #> Class: list list ANY character character #> #> Name: srsDimension axisLabels uomLabels #> Class: integer character character #> #> Extends: "GmlGeometry"showClass("GmlPoint")#> Class "GmlPoint" [package "sos4R"] #> #> Slots: #> #> Name: pos id srsName srsDimension #> Class: GmlDirectPosition character character integer #> #> Name: axisLabels uomLabels #> Class: character character #> #> Extends: "GmlGeometry", "GmlPointOrNULL"showClass("GmlPointProperty")#> Class "GmlPointProperty" [package "sos4R"] #> #> Slots: #> #> Name: href point #> Class: character GmlPointOrNULLshowClass("GmlPolygon")#> Class "GmlPolygon" [package "sos4R"] #> #> Slots: #> #> Name: exterior interior id srsName srsDimension #> Class: ANY ANY character character integer #> #> Name: axisLabels uomLabels #> Class: character character #> #> Extends: "GmlGeometry"showClass("GmlTimeGeometricPrimitive")#> Virtual Class "GmlTimeGeometricPrimitive" [package "sos4R"] #> #> Slots: #> #> Name: frame relatedTimes id #> Class: character list character #> #> Extends: #> Class "GmlTimePrimitive", directly #> Class "GmlTimeObject", by class "GmlTimePrimitive", distance 2 #> Class "GmlTimeObjectOrNULL", by class "GmlTimePrimitive", distance 3 #> #> Known Subclasses: "GmlTimeInstant", "GmlTimeInstantProperty", "GmlTimePeriod"showClass("GmlTimeInstant")#> Class "GmlTimeInstant" [package "sos4R"] #> #> Slots: #> #> Name: timePosition frame relatedTimes id #> Class: GmlTimePosition character list character #> #> Extends: #> Class "GmlTimeGeometricPrimitive", directly #> Class "GmlTimeInstantOrNULL", directly #> Class "GmlTimePrimitive", by class "GmlTimeGeometricPrimitive", distance 2 #> Class "GmlTimeObject", by class "GmlTimeGeometricPrimitive", distance 3 #> Class "GmlTimeObjectOrNULL", by class "GmlTimeGeometricPrimitive", distance 4showClass("GmlTimeInstantOrNULL")#> Virtual Class "GmlTimeInstantOrNULL" [package "sos4R"] #> #> No Slots, prototype of class "NULL" #> #> Known Subclasses: #> Class "NULL", directly #> Class "GmlTimeInstant", directly #> Class ".NULL", by class "NULL", distance 2, with explicit coerceshowClass("GmlTimeInstantProperty")#> Class "GmlTimeInstantProperty" [package "sos4R"] #> #> Slots: #> #> Name: href time frame #> Class: character GmlTimeInstantOrNULL character #> #> Name: relatedTimes id #> Class: list character #> #> Extends: #> Class "GmlTimeGeometricPrimitive", directly #> Class "GmlTimeInstantPropertyOrNULL", directly #> Class "GmlTimePrimitive", by class "GmlTimeGeometricPrimitive", distance 2 #> Class "GmlTimeObject", by class "GmlTimeGeometricPrimitive", distance 3 #> Class "GmlTimeObjectOrNULL", by class "GmlTimeGeometricPrimitive", distance 4showClass("GmlTimeInstantPropertyOrNULL")#> Virtual Class "GmlTimeInstantPropertyOrNULL" [package "sos4R"] #> #> No Slots, prototype of class "NULL" #> #> Known Subclasses: #> Class "NULL", directly #> Class "GmlTimeInstantProperty", directly #> Class ".NULL", by class "NULL", distance 2, with explicit coerceshowClass("GmlTimeInterval")#> Class "GmlTimeInterval" [package "sos4R"] #> #> Slots: #> #> Name: interval unit radix factor #> Class: character character integer integer #> #> Extends: "GmlTimeIntervalOrNULL"showClass("GmlTimeIntervalOrNULL")#> Virtual Class "GmlTimeIntervalOrNULL" [package "sos4R"] #> #> No Slots, prototype of class "NULL" #> #> Known Subclasses: #> Class "NULL", directly #> Class "GmlTimeInterval", directly #> Class ".NULL", by class "NULL", distance 2, with explicit coerceshowClass("GmlTimeObject")#> Virtual Class "GmlTimeObject" [package "sos4R"] #> #> Slots: #> #> Name: id #> Class: character #> #> Extends: "GmlTimeObjectOrNULL" #> #> Known Subclasses: #> Class "GmlTimePrimitive", directly #> Class "GmlTimeGeometricPrimitive", by class "GmlTimePrimitive", distance 2 #> Class "GmlTimeInstant", by class "GmlTimeGeometricPrimitive", distance 3 #> Class "GmlTimeInstantProperty", by class "GmlTimeGeometricPrimitive", distance 3 #> Class "GmlTimePeriod", by class "GmlTimeGeometricPrimitive", distance 3showClass("GmlTimeObjectOrNULL")#> Virtual Class "GmlTimeObjectOrNULL" [package "sos4R"] #> #> No Slots, prototype of class "NULL" #> #> Known Subclasses: #> Class "NULL", directly #> Class "GmlTimeObject", directly #> Class ".NULL", by class "NULL", distance 2, with explicit coerce #> Class "GmlTimeGeometricPrimitive", by class "GmlTimePrimitive", distance 3showClass("GmlTimePeriod")#> Class "GmlTimePeriod" [package "sos4R"] #> #> Slots: #> #> Name: begin beginPosition #> Class: GmlTimeInstantPropertyOrNULL GmlTimePositionOrNULL #> #> Name: end endPosition #> Class: GmlTimeInstantPropertyOrNULL GmlTimePositionOrNULL #> #> Name: duration timeInterval #> Class: character GmlTimeIntervalOrNULL #> #> Name: frame relatedTimes #> Class: character list #> #> Name: id #> Class: character #> #> Extends: #> Class "GmlTimeGeometricPrimitive", directly #> Class "GmlTimePrimitive", by class "GmlTimeGeometricPrimitive", distance 2 #> Class "GmlTimeObject", by class "GmlTimeGeometricPrimitive", distance 3 #> Class "GmlTimeObjectOrNULL", by class "GmlTimeGeometricPrimitive", distance 4showClass("GmlTimePosition")#> Class "GmlTimePosition" [package "sos4R"] #> #> Slots: #> #> Name: time frame calendarEraName #> Class: POSIXt character character #> #> Name: indeterminatePosition #> Class: character #> #> Extends: "GmlTimePositionOrNULL"showClass("GmlTimePositionOrNULL")#> Virtual Class "GmlTimePositionOrNULL" [package "sos4R"] #> #> No Slots, prototype of class "NULL" #> #> Known Subclasses: #> Class "NULL", directly #> Class "GmlTimePosition", directly #> Class ".NULL", by class "NULL", distance 2, with explicit coerceshowClass("GmlTimePrimitive")#> Virtual Class "GmlTimePrimitive" [package "sos4R"] #> #> Slots: #> #> Name: relatedTimes id #> Class: list character #> #> Extends: #> Class "GmlTimeObject", directly #> Class "GmlTimeObjectOrNULL", by class "GmlTimeObject", distance 2 #> #> Known Subclasses: #> Class "GmlTimeGeometricPrimitive", directly #> Class "GmlTimeInstant", by class "GmlTimeGeometricPrimitive", distance 2 #> Class "GmlTimeInstantProperty", by class "GmlTimeGeometricPrimitive", distance 2 #> Class "GmlTimePeriod", by class "GmlTimeGeometricPrimitive", distance 2# create direct position pos1 <- GmlDirectPosition(pos = "7.0 52.0") show(pos1)#> Object of class GmlDirectPosition; pos: 7.0 52.0; srsName: NA, srsDimension: NA, srsAxisLabels: NA, uomLabels: NA# create envelope env1 <- GmlEnvelope(upperCorner = pos1, lowerCorner = GmlDirectPosition("6.0 51.0")) print(env1)#> Object of class GmlEnvelope; srsName: NA, srsDimension: NA, srsDimension: NA, uomLabels: NA; #> lowerCorner: Object of class GmlDirectPosition; pos: 6.0 51.0; srsName: NA, srsDimension: NA, srsAxisLabels: NA, uomLabels: NA; #> upperCorner: Object of class GmlDirectPosition; pos: 7.0 52.0; srsName: NA, srsDimension: NA, srsAxisLabels: NA, uomLabels: NA# create envelope with CRS and access it env1 <- GmlEnvelope(upperCorner = pos1, lowerCorner = GmlDirectPosition("6.0 51.0"), srsName = "http://www.opengis.net/def/crs/EPSG/0/4326") sosGetCRS(env1)#> CRS arguments: +proj=longlat +datum=WGS84 +no_defs# wrap elements in feature collection GmlFeatureCollection(id = "001", featureMembers=list(pos1, env1))#> Object of class GmlFeatureCollection; id: 001; #> 2 featureMember(s): new("GmlDirectPosition", pos = "7.0 52.0", srsName = NA, srsDimension = NA, axisLabels = NA, uomLabels = NA), new("GmlEnvelope", lowerCorner = new("GmlDirectPosition", pos = "6.0 51.0", srsName = NA, srsDimension = NA, axisLabels = NA, uomLabels = NA), upperCorner = new("GmlDirectPosition", pos = "7.0 52.0", srsName = NA, srsDimension = NA, axisLabels = NA, uomLabels = NA), srsName = "http://www.opengis.net/def/crs/EPSG/0/4326", srsDimension = NA, axisLabels = NA, uomLabels = NA)# create point with ID point1 <- GmlPoint(pos = pos1, id = "002") # create point properties GmlPointProperty(href = "http://link.to/point")#> Object of class GmlPointProperty; href: http://link.to/point; point:GmlPointProperty(point = point1)#> Object of class GmlPointProperty; href: NA; point: Object of class GmlPoint; pos: Object of class GmlDirectPosition; pos: 7.0 52.0; srsName: NA, srsDimension: NA, srsAxisLabels: NA, uomLabels: NA; #> srsName: NA, srsDimension: NA, srsDimension: NA, uomLabels: NA# time interval of one day GmlTimeInterval(interval = "1", unit = "d")#> Object of class GmlTimeInterval; interval: 1; unit: d; radix: NA; factor: NA# referenced feature GmlFeatureProperty(href = "http://link.to/feature")#> Object of class GmlFeatureProperty, href: http://link.to/feature, feature:# create a time position and wrap it into a time instant timePos1 <- GmlTimePosition(time = as.POSIXct("2010-01-01")) # create direct or referenced time instant timeInst1 <- GmlTimeInstant(timePosition = timePos1) timeInst1#> GmlTimePosition [ time: 2010-01-01 ]GmlTimeInstantProperty(href = "http://link.to/timeInstant")#> An object of class "GmlTimeInstantProperty" #> Slot "href": #> [1] "http://link.to/timeInstant" #> #> Slot "time": #> NULL #> #> Slot "frame": #> character(0) #> #> Slot "relatedTimes": #> list() #> #> Slot "id": #> character(0) #># create different variants of time periods # one hour with time positions GmlTimePeriod(beginPosition = timePos1, endPosition = GmlTimePosition(time = timePos1@time+3600))#> GmlTimePeriod: [ GmlTimePosition [ time: 2010-01-01 ] #> --> GmlTimePosition [ time: 2010-01-01 01:00:00 ] ]# one week backwards from now timePos <- GmlTimePosition(time = Sys.time()-(3600*24*7)) aWeekAgo <- GmlTimeInstantProperty(time = GmlTimeInstant(time = timePos)) timePos <- GmlTimePosition(time = Sys.time()) now <- GmlTimeInstantProperty(time = GmlTimeInstant(time = timePos)) GmlTimePeriod(begin = aWeekAgo, end = now)#> GmlTimePeriod: [ Object of class GmlTimeInstantProperty; href: NA; time: GmlTimePosition [ time: 2020-07-01 18:59:14 ] #> --> Object of class GmlTimeInstantProperty; href: NA; time: GmlTimePosition [ time: 2020-07-08 18:59:14 ] ]