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Order of coordinates for extent property in layer Tile?
Layer drawing orderConvert bounding box for OL2 to extent for OL3?how to Zoom to max extent in openlayers3?Openlayers example not working with coordinatesOpenLayers 3 create bounding extent which includes two pointsHow to set the coordinates for a polygon in openlayers?OpenLayers - Setting View Correctly Extent GEOJSonHide old tiles while loading new ones when zooming in Openlayers
I was just going through the documentation for OpenLayers 3.11 and came across Tile(). Now it accepts a lot of properties: opacity, preload , map, etc.), but the one I am interested in is extent. Basically, it allows me to set an extent of which tiles I would like to load, so an initialization with the extent parameter might look like as follows:
new ol.layer.Tile({
visible: false,
preload: Infinity,
extent: [-16655.5402445057125, 6609968.258934638,0,6809968],
source: new ol.source.BingMaps({
key: 'Ak-dzM4wZjSqTlzveKz5u0d4IQ4bRzVI309GxmkgSVr1ewS6iPSrOvOKhA-CJlm3',
imagerySet: styles[i]
// use maxZoom 19 to see stretched tiles instead of the BingMaps
// "no photos at this zoom level" tiles
// maxZoom: 19
})
})
Notice how the extent parameter accepts an array with 4 values in it. My question is about getting the correct order of the values inside the extent array.
javascript openlayers layers coordinates extents
edited 11 mins ago
Andre Silva
7,725113685
asked Nov 23 '15 at 18:51
Alexander SolonikAlexander Solonik
13018
add a comment |
I was just going through the documentation for OpenLayers 3.11 and came across Tile(). Now it accepts a lot of properties: opacity, preload , map, etc.), but the one I am interested in is extent. Basically, it allows me to set an extent of which tiles I would like to load, so an initialization with the extent parameter might look like as follows:
new ol.layer.Tile({
visible: false,
preload: Infinity,
extent: [-16655.5402445057125, 6609968.258934638,0,6809968],
source: new ol.source.BingMaps({
key: 'Ak-dzM4wZjSqTlzveKz5u0d4IQ4bRzVI309GxmkgSVr1ewS6iPSrOvOKhA-CJlm3',
imagerySet: styles[i]
// use maxZoom 19 to see stretched tiles instead of the BingMaps
// "no photos at this zoom level" tiles
// maxZoom: 19
})
})
Notice how the extent parameter accepts an array with 4 values in it. My question is about getting the correct order of the values inside the extent array.
javascript openlayers layers coordinates extents
edited 11 mins ago
Andre Silva
7,725113685
asked Nov 23 '15 at 18:51
Alexander SolonikAlexander Solonik
13018
2
MinX,MinY,MaxX,MaxY where X is the axis that goes from left to right on the screen (longitude, easting) and Y from bottom to top (latitude, northing).
– user30184
Nov 23 '15 at 19:11
2
A lot depends on context -- GIS vector folks mostly use llx,lly,urx,ury (aka minx,miny,maxx,maxy) while image folks lean toward ulx,uly,lrx,lry, and non-GIS folks gravitate toward llLat,llLon,urLat,urLon. In context, this looks like the first usage.
– Vince
Nov 23 '15 at 20:04
add a comment |
I was just going through the documentation for OpenLayers 3.11 and came across Tile(). Now it accepts a lot of properties: opacity, preload , map, etc.), but the one I am interested in is extent. Basically, it allows me to set an extent of which tiles I would like to load, so an initialization with the extent parameter might look like as follows:
new ol.layer.Tile({
visible: false,
preload: Infinity,
extent: [-16655.5402445057125, 6609968.258934638,0,6809968],
source: new ol.source.BingMaps({
key: 'Ak-dzM4wZjSqTlzveKz5u0d4IQ4bRzVI309GxmkgSVr1ewS6iPSrOvOKhA-CJlm3',
imagerySet: styles[i]
// use maxZoom 19 to see stretched tiles instead of the BingMaps
// "no photos at this zoom level" tiles
// maxZoom: 19
})
})
Notice how the extent parameter accepts an array with 4 values in it. My question is about getting the correct order of the values inside the extent array.
javascript openlayers layers coordinates extents
edited 11 mins ago
Andre Silva
7,725113685
asked Nov 23 '15 at 18:51
Alexander SolonikAlexander Solonik
13018
I was just going through the documentation for OpenLayers 3.11 and came across Tile(). Now it accepts a lot of properties: opacity, preload , map, etc.), but the one I am interested in is extent. Basically, it allows me to set an extent of which tiles I would like to load, so an initialization with the extent parameter might look like as follows:
new ol.layer.Tile({
visible: false,
preload: Infinity,
extent: [-16655.5402445057125, 6609968.258934638,0,6809968],
source: new ol.source.BingMaps({
key: 'Ak-dzM4wZjSqTlzveKz5u0d4IQ4bRzVI309GxmkgSVr1ewS6iPSrOvOKhA-CJlm3',
imagerySet: styles[i]
// use maxZoom 19 to see stretched tiles instead of the BingMaps
// "no photos at this zoom level" tiles
// maxZoom: 19
})
})
Notice how the extent parameter accepts an array with 4 values in it. My question is about getting the correct order of the values inside the extent array.
javascript openlayers layers coordinates extents
javascript openlayers layers coordinates extents
edited 11 mins ago
Andre Silva
7,725113685
asked Nov 23 '15 at 18:51
Alexander SolonikAlexander Solonik
13018
edited 11 mins ago
Andre Silva
7,725113685
asked Nov 23 '15 at 18:51
Alexander SolonikAlexander Solonik
13018
edited 11 mins ago
Andre Silva
7,725113685
edited 11 mins ago
Andre Silva
7,725113685
edited 11 mins ago
Andre Silva
7,725113685
7,725113685
asked Nov 23 '15 at 18:51
Alexander SolonikAlexander Solonik
13018
asked Nov 23 '15 at 18:51
Alexander SolonikAlexander Solonik
13018
asked Nov 23 '15 at 18:51
Alexander SolonikAlexander Solonik
13018
13018
2
MinX,MinY,MaxX,MaxY where X is the axis that goes from left to right on the screen (longitude, easting) and Y from bottom to top (latitude, northing).
– user30184
Nov 23 '15 at 19:11
2
A lot depends on context -- GIS vector folks mostly use llx,lly,urx,ury (aka minx,miny,maxx,maxy) while image folks lean toward ulx,uly,lrx,lry, and non-GIS folks gravitate toward llLat,llLon,urLat,urLon. In context, this looks like the first usage.
– Vince
Nov 23 '15 at 20:04
add a comment |
2
MinX,MinY,MaxX,MaxY where X is the axis that goes from left to right on the screen (longitude, easting) and Y from bottom to top (latitude, northing).
– user30184
Nov 23 '15 at 19:11
2
A lot depends on context -- GIS vector folks mostly use llx,lly,urx,ury (aka minx,miny,maxx,maxy) while image folks lean toward ulx,uly,lrx,lry, and non-GIS folks gravitate toward llLat,llLon,urLat,urLon. In context, this looks like the first usage.
– Vince
Nov 23 '15 at 20:04
2
2
MinX,MinY,MaxX,MaxY where X is the axis that goes from left to right on the screen (longitude, easting) and Y from bottom to top (latitude, northing).
– user30184
Nov 23 '15 at 19:11
MinX,MinY,MaxX,MaxY where X is the axis that goes from left to right on the screen (longitude, easting) and Y from bottom to top (latitude, northing).
– user30184
Nov 23 '15 at 19:11
2
2
A lot depends on context -- GIS vector folks mostly use llx,lly,urx,ury (aka minx,miny,maxx,maxy) while image folks lean toward ulx,uly,lrx,lry, and non-GIS folks gravitate toward llLat,llLon,urLat,urLon. In context, this looks like the first usage.
– Vince
Nov 23 '15 at 20:04
A lot depends on context -- GIS vector folks mostly use llx,lly,urx,ury (aka minx,miny,maxx,maxy) while image folks lean toward ulx,uly,lrx,lry, and non-GIS folks gravitate toward llLat,llLon,urLat,urLon. In context, this looks like the first usage.
– Vince
Nov 23 '15 at 20:04
add a comment |
1 Answer
1
active
oldest
votes
From ol/layer/Tile documentation, property extent is of type module:ol/extent~Extent, which reads (emphasis mine):
Extent{Array.<'number>}
An array of numbers representing an extent: [minx, miny, maxx, maxy].
answered 11 mins ago
Andre SilvaAndre Silva
7,725113685
add a comment |
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From ol/layer/Tile documentation, property extent is of type module:ol/extent~Extent, which reads (emphasis mine):
Extent{Array.<'number>}
An array of numbers representing an extent: [minx, miny, maxx, maxy].
answered 11 mins ago
Andre SilvaAndre Silva
7,725113685
add a comment |
From ol/layer/Tile documentation, property extent is of type module:ol/extent~Extent, which reads (emphasis mine):
Extent{Array.<'number>}
An array of numbers representing an extent: [minx, miny, maxx, maxy].
answered 11 mins ago
Andre SilvaAndre Silva
7,725113685
add a comment |
From ol/layer/Tile documentation, property extent is of type module:ol/extent~Extent, which reads (emphasis mine):
Extent{Array.<'number>}
An array of numbers representing an extent: [minx, miny, maxx, maxy].
answered 11 mins ago
Andre SilvaAndre Silva
7,725113685
From ol/layer/Tile documentation, property extent is of type module:ol/extent~Extent, which reads (emphasis mine):
Extent{Array.<'number>}
An array of numbers representing an extent: [minx, miny, maxx, maxy].
answered 11 mins ago
Andre SilvaAndre Silva
7,725113685
answered 11 mins ago
Andre SilvaAndre Silva
7,725113685
answered 11 mins ago
Andre SilvaAndre Silva
7,725113685
answered 11 mins ago
Andre SilvaAndre Silva
7,725113685
7,725113685
add a comment |
add a comment |
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2
MinX,MinY,MaxX,MaxY where X is the axis that goes from left to right on the screen (longitude, easting) and Y from bottom to top (latitude, northing).
– user30184
Nov 23 '15 at 19:11
2
A lot depends on context -- GIS vector folks mostly use llx,lly,urx,ury (aka minx,miny,maxx,maxy) while image folks lean toward ulx,uly,lrx,lry, and non-GIS folks gravitate toward llLat,llLon,urLat,urLon. In context, this looks like the first usage.
– Vince
Nov 23 '15 at 20:04