An extent is the minimum bounding rectangle (xmin, ymin and xmax, ymax) defined by coordinate pairs of a data source. All coordinates for the data source fall within this boundary.

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16 views

How to calculate the distance (difference?) between two reigons

I am building a machine learning system which predicts the location of tweets as a bounding box (using the google maps API among other things). Since the twitter API also supplies a bounding box, I am ...
2
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2answers
27 views

How to read the saved extent of the QgsProject?

I am trying to access the extent of QgsProject. How can i do that with PyQGIS?
5
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1answer
67 views

QGIS clip vector layer to current map extent

I wonder if there is a way to simply clip a vector layer in QGIS (2.14.1) to the current map extent. Clipping algorithm needs another 'clipper' vector layer as input and 'save as...' saves a vector ...
0
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18 views

Updating bounding box of layer using geoserver API

Is there a way to set the Bounding Box of a geoserver layer using the REST Api? I get the BB extent using a postgis query and then I could pass it to a json or xml and post it. But I haven't found any ...
1
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1answer
32 views

Postgis bounding box intersect vs polygon intersect

I am running a point in polygon test for close to one billion points. The size of my polygons are very small (at about 12 vertices each polygon). Therefore, I would be satisfied even with a bounding ...
0
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0answers
35 views

Leaflet - invalid map extent

I have a Leaflet map with a GeoJSON polygon overlay. When clicked on a polygon, map is suppose to zoom to the selected polygon: this.map.fitBounds(layer.getBounds()); I'm experiencing strange ...
2
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0answers
58 views

How to get the area of a bounding box using PostGIS 2.2?

As someone who is doing a data integrity check of Geonames, I've found that about 10 percent of the data contain multiple sets of coordinates (longitude, latitude) for a place name within a country. ...
0
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0answers
39 views

Intersect two same extent shapefiles, but got error 000117

I have used intersect(Analysis Tool) to intersect two polygon layers. But I got error 000117 after ran intersect tool. Same error message happened when I use clip (Analysis Tool). The answer and two ...
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65 views

R code to find the smallest bounding box with arbitrary orientation

How can I devise an R-code that can derive a rectangular bounding box (with 90-degree angle on each corner) for a set of points with arbitrary orientation? e.g. if the 2 longer edges have a 45-degree ...
1
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1answer
56 views

LEAFLET - geojson properties in bounding box

Is there a way to show geojson properties which are located in current bounding box? something like this http://turbo87.github.io/leaflet-sidebar/examples/listing-markers.html with geojson and its ...
0
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1answer
28 views

How to get detailed informations about a layer (SRID, extent, …) in Geoserver REST API?

I'm trying go get detailed informations about a layer using the Geoserver REST API (I'm using Geoserver 2.8.1), but according to the online API documentation, I can only get basic informations such as ...
3
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1answer
42 views

Managing Leaders for Extent Indicators of Insets using ArcPy with Data Driven Pages?

I am working in data driven pages that need insets on some maps (not all). I found and have successfully managed to use this code below. However, I need to have leaders. Any ideas on how to manage ...
0
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1answer
58 views

openlayers 3 - fit to extent

I am trying something very simple, but strangely it doesn't work. I need to zoom to the extent of coordinates. THE FUNCTION: function zoomBE(search_result){ var coordinates = []; for(var i ...
1
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0answers
25 views

Showing only legend items that are actually displayed within current map extent using ArcGIS API for JavaScript?

I'm using TOC/Legend widget as a default legend panel in my ArcGIS based JavaScript API web app. It works great, beside now i want to filter this legend panel based on users current map extent. The ...
2
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2answers
75 views

Displaying attributes for features within current map extent in ArcGIS Desktop?

I have found Landsat 8 PanSharpened WMS service here. It is a mosaic made by Esri. I can open attribute table of this mosaic dataset. Can I sort rows of attribute table to see only rows related to ...
1
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2answers
67 views

Using ArcPy, I can't panToExtent to intended area using Decimal Degree coordinate

I'm trying to programmatically pan to a coordinate before I export a map and I've started off by using Identify to get a test coordinate in Decimal Degrees: mxd = arcpy.mapping.MapDocument("CURRENT") ...
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1answer
69 views

Area of Interest of focus map in ArcObjects. [closed]

I want to change the extent (area of interest of the view of the focus map) to the bounding box of the selected features. I use the code below ( I wrote lots of classes for my project and i'm using ...
2
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0answers
62 views

Setting extent with python in QGIS in new project

Situation: I am trying to write a simple python script for QGIS. The script aims to load one layer, zoom to given coordinates, and 'place a pin' there. The coordinates will change every time I run the ...
2
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2answers
41 views

How to convert bbox when importing GeoTIFF with Geotools?

Here is my code: String EPSG4326 = "GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS ...
1
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1answer
45 views

QGIS, how to create a grid that does not exceed the extent, constrained within the extent

I have to create a grid of 15mx15m over an area much bigger, 25000mx25000m. Of course it means that the grid will never properly fit within the extent, but it will exceed a bit (25000/15=1666.6667). I ...
0
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0answers
65 views

Changing shapefile extent in ArcGIS Desktop?

I'm currently working on my final graduation project in Brazil and I need to solve a problem using ArcMap 9.3. I have a couple of shapefiles (point, line, polygons) that have a different extent ...
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1answer
31 views

GRID-file: get max extent for all z-values above given value

I have a GRID-file with a quite large extent. For an automatic workflow I need the maximum extent/bounding-box for all z-values that are over a certain range. For example: Get the maximum extent for ...
2
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1answer
59 views

How to calculate the bounding box of a GML/XML file from a WFS getFeature request?

I would like to know if it is possible to get the bounding box from a geometry returned by a WFS service. An example of WFS feature request: ...
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1answer
26 views

Zoom to predefined areas/extents in QGIS [duplicate]

Is there anyway or any plugin to create predefined extents/areas (e.g. cities) that one can zoom to in QGIS? For example, create a city A, define the extents of the city and when one click on the ...
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24 views

Can I use the bounding coordinates of a coordinate system to determine the coordinate system for undefined coordinate values?

I have a table with coordinates that are undefined, but I know they could be in several different state plane zones/datums. I am thinking I can possibly use coordinate ranges to assign the coordinate ...
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34 views

Find Minimum Bounding Box for a set of coordinates [duplicate]

I am working with GPS tracks (lat/lon values) and my goal is to compute the minimum bounding box for a small geospatial library I am working on. The datasets are not huge, maybe a couple of tens of ...
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70 views

Formula of mapnik bounding box (spherical mercator)

I want to implement a tile server and I'm following the code in the repo node-mapnik-sample-code. When a request is sent with the parameters x, y, z (longitude, latitude, zoom), those parameters are ...
2
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1answer
79 views

How to create polygon from bounding box coordinates (PostGIS/cartoDB)

I have data to import to cartoDB in CSV format in which there is a bounding box column holding two lat/long coordinates representing the corners of a bounding box, like ...
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1answer
51 views

Use raster as a template/fishnet

I've finally been able to get two rasters with the same pixel size and perfect overlap (resample + snap raster). Now I need them to have the same extent, giving the value of "-9999" in pixels not ...
0
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1answer
62 views

How to append Extent object to existing dictionary key values?

I have a dictionary whose keys are map segment names, and whose value is a list of 3 field values. Using an arcpy.da.SearchCursor on the map segments FeatureLayer, I have extracted the extent object ...
0
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1answer
52 views

Geonetwork Empty Geographic bounding box

I set up Geonetwork 3.02 while creating a metadata geographic bounding box and spatial extent is empty. How can I fix these problems ? I use turkish language. Can you help me please?
0
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0answers
38 views

Strange behaviour / weird results using ogrinfo + WFS + spat

I want to use ogrinfo to get features from a WFS within a bounding box. I know I can use the "-spat minx miny maxx maxy" parameter for this, but it does not work. Here's what works, what not, and what ...
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2answers
48 views

Geoprocessing results outside of defined extent [closed]

I am running ArcGIS 10.2 Desktop Several different models I have built and tested successfully previously are demonstrating the same problem. They appear to execute slightly to the South of the ...
2
votes
2answers
84 views

Clipping subpart of data in QGIS?

I have a geodatabase that I am adding to a QGIS project. I read the documentation (below) but I don't understand what parameters I use for "a.the_geom" and "b.geom". Is there a way to clip with a ...
3
votes
2answers
181 views

Get/Define extent of ol.source.tile xyz

I have a series of tile sources equating to different map providers at specific resolutions and I would like to set an extent so that when the relevant layer is selected, the map pans and zooms to the ...
1
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1answer
31 views

Get pixel geo info according projection and map extent

I would like to know if it is possible to calculate the geographic coordinates (lat, lon) for a pixel specified by its x/y (top-left) cartesian coordinates in a map image/raster? The datum and ...
1
vote
1answer
735 views

How to get extent in openlayers 3?

I am using openlayers3 and i am initializing my map like so: var view = new ol.View({ center: ol.proj.fromLonLat([5.8713, 45.6452]), zoom: 12, }); var map = new ol.Map({ layers: [ ...
1
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1answer
128 views

On the fly reprojection in QGIS?

I'm new to QGIS and trying to deal with on the fly reprojection. I have three layers : a shapefile in EPSG:4326 a raster in EPSG:3395 that same raster reprojected in EPSG:3857 (with QGIS via the ...
1
vote
1answer
80 views

Unable to find all points in extent area using ArcGIS API for JavaScript?

I am trying to create a map where I can draw a selection area, and get info of all graphic pointers under it, I tried to modify ArcGis example but the problem now is that I can only able to select ...
1
vote
1answer
66 views

If bounds contain a polygon PHP-Leaflet

I have the latitude and the longitude of view of map ( latitude and longitude of north west and the latitude and longitude of southeast ) and a geojson files with MultiPolygon. (43mo) In PHP i want ...
0
votes
1answer
61 views

Setting extent on web map to pass to geoprocessing service?

I find example to set map extent that works ok in ArcMap via .. mxd = arcpy.mapping.MapDocument("CURRENT") .. df = arcpy.mapping.ListDataFrames(mxd)[0] newExtent = df.extent newExtent.XMin, ...
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vote
0answers
19 views

Error when zooming to layer in PyQGIS application. On-the-fly transformation the issue?

I am trying to set the extent of my window to a layer on my canvas. This has worked smoothly until I started using Web Mercator maps instead of WGS84 maps. My features are getting their geolocation ...
3
votes
1answer
88 views

Difference between Envelope and BoundingBox

As you know GeoTools uses OpenGIS declared APIs; BoundingBox and Envelope for example. picture from geotools docs. BoundingBox Represents a two-dimensional envelope. This interface ...
3
votes
3answers
208 views

Data driven pages extent

I use data driven pages to produce several maps. In the end product, all maps should show point data on a Country of europe. So far the country is shifting around each time I change the data shown in ...
1
vote
0answers
73 views

Creating polygons using mask layer?

I looked at this question, but it only answers part of my problem. I want to create Thiessen polygons based off of the green points within the blue polygon boundary ONLY. I've set the Processing ...
0
votes
1answer
57 views

Adding multiple rasters produces unexpected results. I have set the data extent to the same in all rasters

I am trying to add three rasters together. I'm trying to figure out where I am going wrong so I am going to list out what I am doing: I have Raster_1, Raster_2 and Raster_3. Raster_1 and Raster_2 ...
3
votes
2answers
102 views

How to remove bounding box extents based on reflectance values of the image of Landsat8 by using R programming

I have taken the reflectance image from Landsat8 bands. Now the extents of bounding box showing negative values , to proceed to my next level of the process i need to remove this negative values and ...
2
votes
1answer
93 views

R: Convert Extent Object to Shapefile

I want to convert R 'library:raster' 'extent' object to a shapefile. I have the CRS available too. e= c(4304916, 4305325, 365216, 365439)#xmin, xmax, ymin, ymax proj4string(e) = CRS("+proj=utm ...
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2answers
109 views

Understanding use of extents in ArcPy?

I'm not understanding fully how extent is supposed to work in arcpy/python. I cant seem to get it to work in a function so i can filter it through my FCs. I have read the ESRI help files, but remain ...
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vote
0answers
53 views

Data not showing in QGIS when connecting to Oracle

I have an Oracle XE 11g spatial database that is connected to a web map. All the layers of the web map are stored in the database and they work just fine. I sometime need to edit some of the layers in ...