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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Rectangular bounding box curved in D3.js

I am trying to project polygons to a map with a static background image using D3.js. The polygons looked slightly off in relation to the background so I drew the bounding box of the image, and sure ...
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43 views

Directly querying a raster

I've done tons of work within ArcGIS to analyze and process rasters. I'm pretty well knowledgeable on that subject. A question has come in from my coworker who is attempting to populate elevation data ...
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19 views

Efficient way of determining polygon intersection with bounding box

I have a set of polygons, and I need to check whether they are intersecting with a given bounding box(rectangle). What I am doing is, I am taking every vertex of polygon and checking whether it's ...
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34 views

Check shape orientation

I have a shapefile with many minimum bounding box (envelope) polygons and I need to find out, if the boxes are rather landscape or portrait format. (See pic below, one of the selected boxes should be ...
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3answers
25 views

Cropping a Shapefile into a Rectangular Box with Python pyshp

Using 'pyshp' I am hoping to reduce the set of US highway shapefiles to only those in Puerto Rico. The idea is very easy since I only need those pieces which fit into the window. >> import ...
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14 views

extend extent of geoJSON layer - Leaflet

I am zooming to the extent of a set of geoJSONs collected in a FeatureGroup with this call: map.fitBounds(myFeatureGroup.getBounds()); ...I would like to extend the extent a bit; as it is the ...
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40 views

In a GeoTiff, what unit are extents in?

I was looking at the GDAL metadata of a USGS GeoTiff quad (o48118e8) with the GdalToTilesWin program. It dumped the following info: Name o48118e8.tif Size X/Y 5315/6780 ResolutionX/Y 2.4384/2.4384 ...
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46 views

Is there any way to set a processing extent for QGIS:Voronoipolygon?

I was playing around with the QGIS:voronoipolygons command line function from QGIS and noticed that there was no option for setting the processing extent. This causes QGIS to pick the minimum extent ...
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65 views

Is there way to define processing extent in QGIS?

Is it possible to define the extent of a processing tool, like it is in the "Environments" in ArcGIS? For example "Same as Display, or "Same as Layer..".
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28 views

How to set extent and zoom level based on extent in openlayers?

I had a problem to set the extent and the zoomlevel in openlayers using GeoExt2. My problem is how do I know extent: [minx,miny,maxx,maxy] the minx,miny,max,maxy in openlayers ? So, I can set the ...
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22 views

Spherical Mercator - World bounds

What are the correct world bounds in the Spherical Mercator projection (EPSG:3857 and EPSG:900913) In some source I got those bounds see this link in the maxExtent parameter: minx: -20037508.3427892 ...
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29 views

Viewport bounds online update. OpenLayers

I am trying to extract the bound box coordinates of viewport (the box that is displayed). I want to know the coordinates all the time and updated when zoom in/out or dragged. I cheched that ...
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22 views

How to configure “Same as Display” as processing extent by default in ModelBuilder?

I'm working on a very simple model for creating a path from a selected point to the closest polyline, in this model I used a Cost Distance and Cost Path tool for creating the more feasible track ...
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20 views

How to force ArcGIS to re-read FGDB dataset extent? [duplicate]

I have feature class sitting in FGDB. I can add it to map, right click on it in the table of content and pick "Zoom To Layer". This is what I see: I start editing session, remove most of the ...
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42 views

Displaying symbology outside map canvas window extent?

Say we have equally distributed x,y mesh vector file. Each coordinate has a map-unit based diameter circle symbology. If we zoom into a region of the map canvas far enough, some centroids exist ...
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2answers
63 views

How to remove layers that are not in visible df extent

I am working on ArcMap 10.3 and I have a map with 50 layers in it. I am trying to check if layers are in a data frame. Unlike How to check if layers in a dataframe with Arcpy, I want to define the ...
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21 views

Openlayers bounding box dateline crossing

I got a map layer on which a bounding box is drawn. This is working quite well except when east < west which means the date line is crossed by the bounding box. In this case the box is drawn like ...
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1answer
34 views

Create Multiple Circle

I am trying to make many points in a map as a grid. The code makes what I expect but the time to load is quite long so I suppose that there should be other ways to be more efficient drawing many ...
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1answer
37 views

How to determine if a raster layer covers a polygon layer?

I have a raster and a polygon layer. In my application I always want the raster layer to cover all the polygon layer. How can that be determined? Is it possible to find out from boundary extent of ...
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1answer
40 views

gdal RasterizeLayer gives different extent to arcpy PolygonToRaster

I have an existing arcpy script which uses PolygonToRaster_conversion to convert a polygon shapefile to raster (tiff). I am now exploring GDAL/OGR and have used the cookbook approach to carry out the ...
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2answers
79 views

How to calculate a set of minimum bounding boxes for a polygon

I need to calculate a set of minimum bounding boxes for a polygon. Id est having a complex polygon I want to envelope it with a set of small boxes instead of a big one.
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1answer
52 views

Extent changing in ArcGIS Pro when shapefile added to map which only had basemap?

Using ArcGIS 10.3 for Desktop: In ArcMap: Open a Blank Map Add Basemap of Imagery (but any basemap will do) Zoom to Australia (but any area will do) Add the countries shapefile from Natural Earth ...
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110 views

Pythonic way to recalculate feature extent in ArcGIS 10.2

I am creating a tool that will automate a tedious process of data standardization. One of the steps is to recalculate the feature extent of a SDE file. Surprisingly I cannot find anything useful in ...
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79 views

ArcGIS Calculate Fields gives Warning 000405 No records within table?

Situation: I have feature layer sitting outside processing extent in Environment settings. If I open layer's table and use field calculator - Calculate Geometry on some numeric field: it works ...
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45 views

Can layers with different extents in arcmap 10 be made to line up?

I am currently trying to get some insect sampling coordinates that are represented by points to project on top of a polygon that shows all the different plots of land in a ranch. The coordinates for ...
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155 views

ol3 modify interaction customization

I'm trying to create a ol.interaction.Modify() to adjust a bounding box's edges and position. In OpenLayers 2 I used TransformFeature Control and There were options to configure the transformation. ...
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1answer
179 views

Openlayers 3 ol.extent to ol.geom.Polygon conversion

In openlayers 2 there was a method "toGeometry()" on Openlayers.Bounds() that could convert that bounds into a Geometry. I migrated from ol2 to ol3 and I try to find a solution to easily do the same ...
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50 views

OpenLayers 3 don't go beyond given coordinates

In Openlayers 3 Max Extent there is mentioned how to set a max extent. But how can I set coordinates in such a way that it is not possible to drag the map beyond the some given coordinates? Extent ...
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17 views

How to relate the zoom level with the real distance in the map?

Let's have this situation: in the frontend I have selected a zoom level in the map. Now, the application must invoke an external API method to search the available items in the current bounding box, ...
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2answers
80 views

Clip to Shape & Extent Indicators

I have a map showing the outline of an area which I'm using to clip other layers using the data frame > clip options. In addition, I have other data frames to show some detail and want to show the ...
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80 views

How to create function that gives google maps getBounds result?

I'm trying to create function that would calculate four bounding coordinates by latLng, zoom level, width and height in pixels, the same like in google maps getBounds function, in goal I won't create ...
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2answers
45 views

translate GRIB product on bounding box

I'm in troubles with the projection of a GRIB product. I have a Cloud mask image and I want georeferencing it with GDAL. I need to pass through gdal_translate before, since i need to fix the bounding ...
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62 views

Getting a WMS-like bounding box from WMTS services

I'm new to GIS and confused by all the systems that are used to request data. Every provider seems to use a different system. What I need is to request an area between coordinates (WGS-84) as a ...
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86 views

Output extent environment is not respected by Select Layer By Attribute (ArcGIS 10.2)

I cannot get the arcpy.env.extent working for Select Layer By Attribute GP tool. I can verify that I get various values for coordinates when I have panned to various areas on the map. Copy Features GP ...
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120 views

PostGIS SQL syntax for bounding box

I have the following query: SELECT row_to_json(fc) FROM ( SELECT ST_AsGeoJSON(lg.geometry)::json As geometry, ( select row_to_json(t) from ( ...
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1answer
48 views

Extent from Centroids, Projection, and Resolution?

I have a file that defines a raster, although all the metadata was lost. I know the lat/long coordinates of the grid centroids, and that the grid is in a Mercator projection with a 1/12deg equatorial ...
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202 views

How to get layer extent in open layers or Zoom to wms layer extent?

I have added wms layers using follow: basemap = new OpenLayers.Layer.WMS( "Layer Name1", "http://localhost:8080/geoserver/wms/workspacename", {layers: 'workspacename:layername'} ); utility = new ...
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1answer
81 views

Extent to xy coordinate- arcpy

I work with arcview 10.3, and i try to extent to xy coordinate with arcpy? I am using this code: import arcpy, os, sys from arcpy import env env.workspace = r"C:\Project" pnt = '178434 ,662446' ...
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61 views

How to set the map extent so as to show conccurently all the features included in different map layers

I want to load may diffent layers on my map using the ArcGis JS API. I want to set my map's extent so as to show all the features of all the layers concurrently. In other words I am looking for the ...
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229 views

How can I dynamically restrict pan extents on an image layer in OpenLayers 3?

I have been sandboxing with OpenLayers 3 and thus far have been happy with the results. I have used answers on this site to restrict my most zoomed out level from panning and to restrict the range of ...
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1answer
135 views

Creating a buffer - ArcGis Javascript API

How can I create a buffer that is based on the shape of the geometry that has been drawn. My map application creates a default square buffer extent and I want to create a buffer round a circle based ...
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131 views

library for minimum bounding box “by width” in javascript or python

I'm looking for a library (or at least a code snippet) to calculate the minimum bounding box "by width" in javascript or python. Below is an illustration from the ArcGIS documentation of that ...
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108 views

How to make Geoserver dynamically calculate the bounding box of a postgis backed Layer

I set up a store for a postgis db. I set up a layer that queries a table. Geoserver requires that you set the Bounding Box of the layer when you create the layer. The problem is that I don't know ...
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1answer
277 views

How to get wms layer's extent OpenLayers3?

Here is my a part of code , var wms = new ol.layer.Tile({ source: new ol.source.TileWMS({ url: 'localhost:8080/geoserver/BEIS_WS/wms', params: { ...
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48 views

tilestache - bounding box - bbox

I am trying to configure Tilestache in a way that I could be able to ask the Postgis server from client... with bounding box... and in response I would like to get geojson. I would like to try with ...
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234 views

Data frames not showing up in Extent Indicator Property Box

I have a data frame showing an overview of a city. I also have multiple data frames showing zoomed in areas. I want to show the extent indicators for my zoomed in areas on my overview data frame. ...
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1answer
822 views

How to find markers in selected dragbox openlayers 3?

Here is a part of code, draw = new ol.interaction.DragBox({ /* dragbox interaction is active only if alt key is pressed */ condition: ol.events.condition.altKeyOnly, ...
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1answer
78 views

Bounding box of a set of MULTILINESTRINGs PostGIS

I have a PostGIS table with a geometry column (geom) and a type column. The geom column contains only MULTILINESTRINGs and the type column contains tags that tell me what each MULTILINESTRING ...
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2answers
86 views

Preventing ArcPy from changing MXD extent?

I want to process mxd datasources without changing the extent. When I open the MXD in ArcMap and click full extent, I get 1:214,890, after I save and re-open in ArcMap I get what I saved with. ...
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46 views

How can one use Google Maps API to mimic QGIS projection/CRS

I used QGIS to find the extents of a list of features. However, the resulting data auto-generates the CRS and changes it from WSG84 to a custom one. Is there a way to use the autogenerated CRS in ...