Getting the center of a feature collection in GeoJSON?

How do I access GeoJSON properties? GeoJSON object properties are in OL accessible through . get(propertyName) method. For example, if your GeoJSON has property named otherParameter , you can access it in OL with geojsonLayer. get(‘otherParameter’) .  What are coordinates in GeoJSON? The coordinate reference system for all GeoJSON coordinates is a geographic coordinate reference

GPS point elevation vs Contours layer elevation

What’s the difference between elevation and contour lines? Topographic maps also have a vertical scale to allow the determination of a point in three dimensional space. Contour Lines: Contour lines are used to determine elevations and are lines on a map that are produced from connecting points of equal elevation (elevation refers to height in

Joining spatially AND on attribute in ArcGIS ModelBuilder?

How do I merge two attributes in Arcgis? Merge existing features On the Edit tab, in the Features group, click Modify . Expand Construct and click Merge . Click the Existing Feature tab. Click Select. In the pane, add or remove features from the selection. Configure the attributes fields and field values for the merged

REST API pagination with OGR

How to add pagination in REST API? Set the limit parameter The endpoint we’re going to hit here to specifically get the pages in that space is /rest/api/space/{spaceKey}/content/{type} , with the type being page (you could also use blogpost ). Note the limit parameter in this call is set to 5, so the response shows

Conversion of French Lambert 1 Nord to Lat/Lon

How to convert northing easting coordinates to longitude latitude? Subtract the easting and northing by their respective offset values. (The values will be in meters.) Find the longitude of the given point by finding the destination point given the base point, the absolute value of the easting, and the bearing of 90 degrees if the

How to calculate zonal statistics from multi-band raster for each polygon using python?

How do you calculate zonal statistics in Python? Zonal Statistics Algorithm with Python in 4 Steps Load raster data and vector polygons. Rasterize polygon features. Mask input data to polygon extent. Calculate zonal statistics for the polygon extent.   How does Qgis calculate zonal statistics? Input your raster layer in the Raster layer parameter as

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