GTFS-Transit Data

by | Jan 13, 2023

Earth Explorer 3D Map supports GTFS – General Transit Feed Specification Catalog item

GTFS is split into a schedule component that contains schedule, fare, and geographic transit information and a real-time component that contains arrival predictions, vehicle positions and service advisories.

More GTFS background

https://gtfs.org/

"type": "gtfs"

GtfsCatalogItemTraits

Trait Type Default Description
headers HeadersTraits[] Extra headers to attach to queries to the GTFS endpoint
image string Url for the image to use to represent a vehicle. Recommended size 32×32 pixels.
scaleImageByDistance ScaleByDistanceTraits Describes how marker images are scaled by distance from the viewer.
model GtfsModelTraits 3D model to use to represent a vehicle.
AttributionTraits
attribution string The attribution to display with the data.
AutoRefreshingTraits
refreshInterval number How often the data in this model is refreshed, in seconds
refreshEnabled boolean true Toggle for enabling auto refresh.
CatalogMemberTraits
name string The name of the catalog item.
description string The description of the catalog item. Markdown and HTML may be used.
nameInCatalog string The name of the item to be displayed in the catalog, if it is different from the one to display in the workbench.
info InfoSectionTraits[] Human-readable information about this dataset.
infoSectionOrder string[] An array of section titles defining the display order of info sections. If this property is not defined, {@link DataPreviewSections}’s DEFAULT_SECTION_ORDER is used
isOpenInWorkbench boolean true Whether the item in the workbench open or collapsed.
shortReport string A short report to show on the now viewing tab.
shortReportSections ShortReportTraits[] A list of collapsible sections of the short report
isExperiencingIssues boolean Whether the catalog item is experiencing issues which may cause its data to be unavailable
hideSource boolean Indicates that the source of this data should be hidden from the UI (obviously this isn’t super-secure as you can just look at the network requests).
metadataUrls MetadataUrlTraits[] Metadata URLs to show in data catalog.
dataUrls DataUrlTraits[] Data URLs to show in data catalog.
dataCustodian string Gets or sets a description of the custodian of this data item.
modelDimensions EnumDimensionTraits[] This provides ability to set model JSON through SelectableDimensions (a dropdown). When an option is selected, the value property will be used to call updateModelFromJson(). All string properties support Mustache templates (with the catalog member as context)
disableAboutData boolean Disables the ‘About Data’ button in the workbench.
LayerOrderingTraits
keepOnTop boolean Keeps the layer on top of all other imagery layers.
supportsReordering boolean true Does this layer support reordering in the workbench.
LegendOwnerTraits
legends LegendTraits[] The legends to display on the workbench.
legendBackgroundColor string Apply background color to all legends. This can be useful if legends are transparent and clash with Terria colours
hideLegendInWorkbench boolean Whether the legend is hidden in the workbench for this catalog member.
MappableTraits
rectangle RectangleTraits The bounding box rectangle that contains all the data in this catalog item.
idealZoom IdealZoomTraits Override default ideal zoom if the given values are valid.
disablePreview boolean Disables the preview on the Add Data panel. This is useful when the preview will be very slow to load.
disableZoomTo boolean Disables the zoom to (aka ‘Ideal Zoom’) button in the workbench.
zoomOnAddToWorkbench boolean Zoom to dataset when added to workbench. Doesn’t work if disableZoomTo is true.
show boolean true Show or hide a workbench item. When show is false, a mappable item is removed from the map and a chartable item is removed from the chart panel.
initialMessage InitialMessageTraits A message to show when the user adds the catalog item to the workbench. Useful for showing disclaimers.
featureInfoTemplate FeatureInfoTemplateTraits A template object for formatting content in feature info panel
showStringIfPropertyValueIsNull string If the value of a property is null or undefined, show the specified string as the value of the property. Otherwise, the property name will not be listed at all.
maximumShownFeatureInfos number The maximum number of “feature infos” that can be displayed in feature info panel.
OpacityTraits
opacity number 0.8 The opacity of the item.
disableOpacityControl boolean When true, the user will be unable to change the opacity of the item
UrlTraits
url string The base URL of the file or service.
forceProxy boolean Force the default proxy to be used for all network requests.
cacheDuration string The cache duration to use for proxied URLs for this catalog member. If undefined, proxied URLs are effectively cachable forever. The duration is expressed as a Varnish-like duration string, such as ‘1d’ (one day) or ‘10000s’ (ten thousand seconds).

HeadersTraits

Trait Type Default Description
name string The header name
value string The header value

ScaleByDistanceTraits

Trait Type Default Description
near number The lower bound of the camera distance range.
nearValue number 1 The scale value to use when the camera is at the Near distance (or closer). A value greater than 1.0 enlarges the image while a scale less than 1.0 shrinks it.
far number 1 The upper bound of the camera distance range.
farValue number 1 The scale value to use when the camera is at the Far distance (or farther). A value greater than 1.0 enlarges the image while a scale less than 1.0 shrinks it.

GtfsModelTraits

Trait Type Default Description
maximumDistance number The farthest distance from the camera that the model will still be drawn
maximumScale number The maximum scale size of a model. This property is used as an upper limit for scaling due to minimumPixelSize
minimumPixelSize number The minimum pixel size of the model regardless of zoom. This can be used to ensure that a model is visible even when the viewer zooms out. When 0.0, no minimum size is enforced
colorModelsByProperty ColorModelsByPropertyTraits Color entity models by reguler expression match of a property of an entity
AttributionTraits
attribution string The attribution to display with the data.
CatalogMemberTraits
name string The name of the catalog item.
description string The description of the catalog item. Markdown and HTML may be used.
nameInCatalog string The name of the item to be displayed in the catalog, if it is different from the one to display in the workbench.
info InfoSectionTraits[] Human-readable information about this dataset.
infoSectionOrder string[] An array of section titles defining the display order of info sections. If this property is not defined, {@link DataPreviewSections}’s DEFAULT_SECTION_ORDER is used
isOpenInWorkbench boolean true Whether the item in the workbench open or collapsed.
shortReport string A short report to show on the now viewing tab.
shortReportSections ShortReportTraits[] A list of collapsible sections of the short report
isExperiencingIssues boolean Whether the catalog item is experiencing issues which may cause its data to be unavailable
hideSource boolean Indicates that the source of this data should be hidden from the UI (obviously this isn’t super-secure as you can just look at the network requests).
metadataUrls MetadataUrlTraits[] Metadata URLs to show in data catalog.
dataUrls DataUrlTraits[] Data URLs to show in data catalog.
dataCustodian string Gets or sets a description of the custodian of this data item.
modelDimensions EnumDimensionTraits[] This provides ability to set model JSON through SelectableDimensions (a dropdown). When an option is selected, the value property will be used to call updateModelFromJson(). All string properties support Mustache templates (with the catalog member as context)
disableAboutData boolean Disables the ‘About Data’ button in the workbench.
GltfTraits
upAxis string The model’s up-axis. By default models are y-up according to the glTF spec, however geo-referenced models will typically be z-up. Valid values are ‘X’, ‘Y’, or ‘Z’.
forwardAxis string The model’s forward axis. By default, glTF 2.0 models are Z-forward according to the glTF spec, however older glTF (1.0, 0.8) models used X-forward. Valid values are ‘X’ or ‘Z’.
heightReference string NONE Position relative to the ground. Accepted values are NONE, CLAMP_TO_GROUND & RELATIVE_TO_GROUND as described in the cesium doc – https://cesium.com/docs/cesiumjs-ref-doc/global.html#HeightReference
LegendOwnerTraits
legends LegendTraits[] The legends to display on the workbench.
legendBackgroundColor string Apply background color to all legends. This can be useful if legends are transparent and clash with Terria colours
hideLegendInWorkbench boolean Whether the legend is hidden in the workbench for this catalog member.
MappableTraits
rectangle RectangleTraits The bounding box rectangle that contains all the data in this catalog item.
idealZoom IdealZoomTraits Override default ideal zoom if the given values are valid.
disablePreview boolean Disables the preview on the Add Data panel. This is useful when the preview will be very slow to load.
disableZoomTo boolean Disables the zoom to (aka ‘Ideal Zoom’) button in the workbench.
zoomOnAddToWorkbench boolean Zoom to dataset when added to workbench. Doesn’t work if disableZoomTo is true.
show boolean true Show or hide a workbench item. When show is false, a mappable item is removed from the map and a chartable item is removed from the chart panel.
initialMessage InitialMessageTraits A message to show when the user adds the catalog item to the workbench. Useful for showing disclaimers.
featureInfoTemplate FeatureInfoTemplateTraits A template object for formatting content in feature info panel
showStringIfPropertyValueIsNull string If the value of a property is null or undefined, show the specified string as the value of the property. Otherwise, the property name will not be listed at all.
maximumShownFeatureInfos number The maximum number of “feature infos” that can be displayed in feature info panel.
ShadowTraits
shadows string NONE Determines whether the tileset casts or receives shadows from each light source.
showShadowUi boolean true Determines whether the shadow UI component will be shown on the workbench item
TransformationTraits
origin LatLonHeightTraits The origin of the model, expressed as a longitude and latitude in degrees and a height in meters. If this property is specified, the model’s axes will have X pointing East, Y pointing North, and Z pointing Up. If not specified, the model is located in the Earth-Centered Earth-Fixed frame.
rotation HeadingPitchRollTraits The rotation of the model expressed as heading, pitch and roll in the local frame of reference. Defaults to zero rotation.
scale number The scale factor to apply to the model
UrlTraits
url string The base URL of the file or service.
forceProxy boolean Force the default proxy to be used for all network requests.
cacheDuration string The cache duration to use for proxied URLs for this catalog member. If undefined, proxied URLs are effectively cachable forever. The duration is expressed as a Varnish-like duration string, such as ‘1d’ (one day) or ‘10000s’ (ten thousand seconds).

ColorModelsByPropertyTraits

Trait Type Default Description
property string Path to the property used to choose the color
colorGroups ColorGroupTraits[]

ColorGroupTraits

Trait Type Default Description
color string CSS color string
regExp string Regular expression to match on the specified property

InfoSectionTraits

Trait Type Default Description
name string The name of the section.
content string The content of the section, in Markdown and HTML format. Set this property to null to remove this section entirely.
contentAsObject any The content of the section which is a JSON object. Set this property to null to remove this section entirely.
show boolean true Indicates if this info section showing (not collapsed).

ShortReportTraits

Trait Type Default Description
name string The name of the section.
content string The content of the section.
show boolean true Indicates if this short report section showing.

MetadataUrlTraits

Trait Type Default Description
url string The metadata URL of the file or service.
title string Title used for metadata URL button.

DataUrlTraits

Trait Type Default Description
type string Type of data URL. This value will be used to provide context or instruction on how to use the data URL. For example wcs will provide a link to WCS docs. Current supported values are: – wfs = A Web Feature Service (WFS) base URL – wcs = A Web Coverage Service (WCS) base URL – wfs-complete = A complete, ready-to-use link to download features from a WCS server – wcs-complete = A complete, ready-to-use link to download features from a WFS server – direct = Direct URL to dataset (this is the default if no type is specified) – none = Hide data URL
MetadataUrlTraits
url string The metadata URL of the file or service.
title string Title used for metadata URL button.

EnumDimensionTraits

Trait Type Default Description
id string Dimension ID
name string Dimension name (human-readable)
options DimensionOptionTraits[] Dimension options
selectedId string Selected Option’s ID
allowUndefined boolean Allow dimension to be undefined
disable boolean Hides dimension

DimensionOptionTraits

Trait Type Default Description
id string Option ID
name string Option name (human-readable)
value any Value (if this is undefined, id will be used)

LegendTraits

Trait Type Default Description
title string A title to be displayed above the legend.
url string The URL of the legend image. If the URL suffix isn’t one of the following png|jpg|jpeg|gif|svg, then urlMimeType must be defined – otherwise a hyperlink will be shown.
imageScaling number 1 Scaling of the legend. For example, a high DPI legend may have scaling = 0.5, so it will be scaled down 50%
urlMimeType string The MIME type of the URL legend image. For example "image/png"
items LegendItemTraits[]
backgroundColor string Apply background color to entire legend. This can be useful if legend is transparent and clashes with Terria colours. This will override legendBackgroundColor.

LegendItemTraits

Trait Type Default Description
title string The title to display next to this legend item.
multipleTitles string Multiple titles to display next to this legend item.
maxMultipleTitlesShowed string 10 Maximum number of multiple titles to display next to this legend item. (Default is 10)
titleAbove string The title to display above this legend item, i.e. marking the top of a box on the legend.
titleBelow string The title to display below this legend item, i.e. marking the bottom of a box on the legend.
color string The CSS color to display for this item. This property is ignored if Legend URL is specified.
outlineColor string The CSS color with which to outline this item.
outlineWidth number The width of outline in pixels
multipleColors string[] Multiple colors to show with this item in a grid arrangement.
imageUrl string The URL of an image to display with this item.
marker string Maki marker ID to display with this item (eg “circle”).
rotation number The degrees to rotate legend item.
addSpacingAbove boolean True to add a bit of extra spacing above this item in order to separate it visually from the rest of the legend.
imageHeight number 20 The height of the legend image.
imageWidth number 20 The width of the legend image.

RectangleTraits

Trait Type Default Description
west number The westernmost longitude in degrees.
south number The southernmost longitude in degrees.
east number The easternmost longitude in degrees.
north number The northernmost longitude in degrees.
CameraTraits
position VectorTraits Position of the camera in the Earth-centered Fixed frame in meters.
direction VectorTraits The look direction of the camera in the Earth-centered Fixed frame.
up VectorTraits The up vector direction of the camera in the Earth-centered Fixed frame.

VectorTraits

Trait Type Default Description
x number X component of vector in the Earth-centered Fixed frame.
y number Y component of vector in the Earth-centered Fixed frame.
z number Z component of vector in the Earth-centered Fixed frame.

IdealZoomTraits

Trait Type Default Description
lookAt LookAtTraits Parameters for camera to look at a target.
camera CameraTraits Use camera position, direction and up if fully defined. Otherwise use rectangle if fully defined.

LookAtTraits

Trait Type Default Description
targetLongitude number Target longitude on the WGS84 ellipsoid in degrees
targetLatitude number Target latitude on the WGS84 ellipsoid in degrees
targetHeight number 100 Target height in meters. Treat it as camera height. A positive value is above the WGS84 ellipsoid. Default to 100 meters.
heading number Heading in degrees. Treat it as camera bearing. North is 0. A positive value rotates clockwise, negative anti-clockwise. Default to 0.
pitch number 45 Pitch in degrees. Treat it as camera pitch. A positive value is to look down, negative up. Default to 45.
range number 500 The range in meters. It is the distance between the target position and camera position projected onto the local plane. Not negative and default to 500.

CameraTraits

Trait Type Default Description
position VectorTraits Position of the camera in the Earth-centered Fixed frame in meters.
direction VectorTraits The look direction of the camera in the Earth-centered Fixed frame.
up VectorTraits The up vector direction of the camera in the Earth-centered Fixed frame.
RectangleTraits
west number The westernmost longitude in degrees.
south number The southernmost longitude in degrees.
east number The easternmost longitude in degrees.
north number The northernmost longitude in degrees.

InitialMessageTraits

Trait Type Default Description
title string The title of the message.
content string The content of the message.
key string Identifier. If multiple messages with the same key are triggered, only the first will be displayed.
confirmation boolean Whether the message requires confirmation.
confirmText string If confirmation is true, the text to put on the confirmation button.
width number Width of the message.
height number Height of the message.

FeatureInfoTemplateTraits

Trait Type Default Description
name string A mustache template string for formatting name
template string A Mustache template string for formatting description
showFeatureInfoDownloadWithTemplate boolean Show feature info download if a template has been provided. If no template is provided, then download will always show.
partials any An object, mapping partial names to a template string. Defines the partials used in Template.
formats any An object, mapping field names to formatting options.

LatLonHeightTraits

Trait Type Default Description
latitude number Latitude in degrees
longitude number Longitude in degrees
height number Height above ellipsoid in metres

HeadingPitchRollTraits

Trait Type Default Description
heading number Heading in degrees
pitch number Pitch in degrees
roll number Roll in degrees
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