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artempartemp
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Add 'css' element to Layer (make it visible)
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Lines changed: 32 additions & 19 deletions

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‎3.0.22/reference.json‎

Lines changed: 32 additions & 19 deletions
Original file line numberDiff line numberDiff line change
@@ -121,82 +121,95 @@
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}
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},
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"layer" : {
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"name": {
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"default-value": "",
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"type":"string",
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"required" : true,
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"default-meaning": "No layer name has been provided",
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"doc": "The name of a layer. Can be anything you wish and is not strictly validated, but ideally unique in the map."
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},
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"srs": {
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"name": {
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"css": "name",
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"default-value": "",
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"type":"string",
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"required" : true,
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"default-meaning": "No layer name has been provided",
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"doc": "The name of a layer. Can be anything you wish and is not strictly validated, but ideally unique in the map."
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},
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"srs": {
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"css": "srs",
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"default-value": "",
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"type":"string",
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"default-meaning": "No srs value is provided and the value will be inherited from the Map's srs",
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"doc": "The spatial reference system definition for the layer, aka the projection. Can either be a proj4 literal string like '+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs' or, if the proper proj4 epsg/nad/etc identifier files are installed, a string that uses an id like: '+init=epsg:4326'."
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},
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"status": {
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"status": {
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"css": "status",
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"default-value": true,
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"type":"boolean",
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"default-meaning": "This layer will be marked as active and available for processing",
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"doc": "A property that can be set to false to disable this layer from being processed."
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},
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"minzoom": {
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"minzoom": {
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"css": "minzoom",
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"default-value": 0,
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"type":"float",
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"default-meaning": "The layer will be visible at the minimum possible scale",
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"doc": "The minimum scale denominator that this layer will be visible at. A layer's visibility is determined by whether its status is true and if the Map scale >= minzoom - 1e-6 and scale < maxzoom + 1e-6. This option has been deprecated in favor of `minimum-scale-denominator`.",
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"status": "deprecated"
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},
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"maxzoom": {
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"maxzoom": {
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"css": "minzoom",
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"default-value": "1.79769e+308",
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"type":"float",
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"default-meaning": "The layer will be visible at the maximum possible scale",
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"doc": "The maximum scale denominator that this layer will be visible at. The default is the numeric limit of the C++ double type, which may vary slightly by system, but is likely a massive number like 1.79769e+308 and ensures that this layer will always be visible unless the value is reduced. A layer's visibility is determined by whether its status is true and if the Map scale >= minzoom - 1e-6 and scale < maxzoom + 1e-6. This option has been deprecated in favor of `maximum-scale-denominator`.",
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"status": "deprecated"
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},
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"minimum-scale-denominator": {
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"minimum-scale-denominator": {
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"css": "minimum-scale-denomitator",
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"default-value": 0,
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"type":"float",
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"default-meaning": "The layer will be visible at the minimum possible scale denominator",
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"doc": "The minimum scale denominator that this layer will be visible at. A layer's visibility is determined by whether its status is true and if the Map scale denominator >= `minimum-scale-denominator` - 1e-6 and scale denominator < 'maximum-scale-denominator' + 1e-6."
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},
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"maximum-scale-denominator": {
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"maximum-scale-denominator": {
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"css": "maximum-scale-denomitator",
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"default-value": "1.79769e+308",
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"type":"float",
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"default-meaning": "The layer will be visible at the maximum possible scale denominator",
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"doc": "The maximum scale denominator that this layer will be visible at. The default is the numeric limit of the C++ double type, which may vary slightly by system, but is likely a massive number like 1.79769e+308 and ensures that this layer will always be visible unless the value is reduced. A layer's visibility is determined by whether its status is true and if the Map scale denominator >= `minimum-scale-denominator` - 1e-6 and scale denominator < `maximum-scale-denominator` + 1e-6."
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},
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"queryable": {
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"queryable": {
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"css": "queryable",
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"default-value": false,
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"type":"boolean",
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"default-meaning": "The layer will not be available for the direct querying of data values",
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"doc": "This property was added for GetFeatureInfo/WMS compatibility and is rarely used. It is off by default meaning that in a WMS context the layer will not be able to be queried unless the property is explicitly set to true."
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},
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"clear-label-cache": {
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"clear-label-cache": {
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"css": "clear-label-cache",
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"default-value": false,
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"type":"boolean",
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"default-meaning": "The renderer's collision detector cache (used for avoiding duplicate labels and overlapping markers) will not be cleared immediately before processing this layer",
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"doc": "This property, by default off, can be enabled to allow a user to clear the collision detector cache before a given layer is processed. This may be desirable to ensure that a given layers data shows up on the map even if it normally would not because of collisions with previously rendered labels or markers."
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},
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"group-by": {
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"group-by": {
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"css": "group-by",
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"default-value": "",
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"type":"string",
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"default-meaning": "No special layer grouping will be used during rendering",
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"doc": "https://github.com/mapnik/mapnik/wiki/Grouped-rendering"
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},
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"buffer-size": {
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"buffer-size": {
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"css": "buffer-size",
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"default-value": 0,
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"type":"float",
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"default-meaning": "No custom buffer will be used for the layer and rather the Map buffer-size will be used",
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"doc": "Extra tolerance around the Layer extent (in pixels) used when querying the layer data during rendering. If set this will override the Map buffer-size."
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},
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"maximum-extent": {
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"maximum-extent": {
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"css": "maximum-extent",
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"default-value": "none",
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"type":"bbox",
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"default-meaning": "No clipping extent will be used",
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"doc": "An extent to be used to limit the bounds used to query this specific layer data during rendering. Should be minx, miny, maxx, maxy in the coordinates of the Layer."
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},
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"cache-features": {
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"cache-features": {
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"css": "cache-features",
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"type":"boolean",
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"default-value": "off",
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"default-meaning": "Features are not cached between rendering multiple styles. The datasource is queried for each style.",

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