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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49 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
45 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
35 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 ...
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2answers
25 views

How to convert bbox when importing GeoTIFF with Geotools?

Here is my code: String EPSG4326 = "GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS ...
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1answer
41 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 ...
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38 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
29 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 ...
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1answer
32 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
21 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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22 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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24 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 ...
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1answer
44 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
34 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 ...
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1answer
34 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 ...
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1answer
38 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?
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35 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
47 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 ...
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2answers
73 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 ...
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2answers
99 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 ...
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1answer
24 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 ...
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1answer
120 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: [ ...
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1answer
86 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 ...
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1answer
54 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 ...
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1answer
49 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 ...
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1answer
52 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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17 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 ...
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1answer
64 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 ...
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3answers
168 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 ...
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52 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 ...
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1answer
51 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 ...
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2answers
98 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 ...
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1answer
46 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
69 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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0answers
32 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 ...
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1answer
63 views

What file format is this? Can I get a bounding box out of it?

I am dealing with a PNG map that has an associated text file with this exact content. PROJCS["WGS 84 / UTM zone 32N",GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS ...
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0answers
90 views

QGIS-Python Need to check if layer is in current extent and make it active

I'm putting together a plugin for QGIS. The user inputs a county and a coordinate pair. The plugin then adds in the county data and zooms to the given coordinates. The problem is that there are ...
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1answer
61 views

Restrict extent and Zoom in OpenLayer

There are too many question on this issue, but unfortunately I couldn't get the solution. I have the following settings, var geographic = new OpenLayers.Projection("EPSG:4326"); // WGS 1984 ...
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1answer
47 views

Creating polygon from visible map extent using ModelBuilder?

Is there a way to create a polygon using the visible extent of a data frame in ModelBuilder? I'm using ArcGIS Desktop 10.0.
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1answer
91 views

Geoserver 2.7 - 'Bounding Box & Lat-Long Data' fetching problem from Oracle Locator database

I have installed Geoserver 2.7 & connected my Oracle (Locator) database with available 'gt-jdbc-oracle-13.2.jar' extension. During layer publishing containing fields like 'Geometry', it failed to ...
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2answers
137 views

How to capture coordinates of map extents in a QGIS print composer atlas?

First question; be kind. Here's what I have done so far: In QGIS 2.10.1 Pisa on Windows 10, I have a set of polygons overlaid onto Google Maps using the OpenLayers plugin in QGIS. Using print ...
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0answers
27 views

ArcGIS javascript - update a queryTask result on extent change

I'd be grateful if someone could help me with the following query. I have an application that runs a queryTask on a map service layer and returns various feature results in a div when they click on a ...
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1answer
35 views

ArcGIS: Goode Homolosine Projection and Inconsistent Extents

I recently posted about a problem in ArcGIS using the Goode Homolosine (Land) projection with the Project Raster tool HERE. The problem was related to a bug with that tool, and a workaround solution ...
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1answer
80 views

Copy GeoTIFF metadata to TIFF using ArcPy

I have conducted some image manipulation on GeoTIFFs in a program and the resulting TIFFs now have no spatial information attached. Their x,y origins are (0,0). Since these processed images are of ...
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2answers
70 views

How to keep leaflet tooltips within visible map view

I have a map with panning and zooming disabled, creating a bounding box. This map has a geojson layer with features and tooltips displaying underlying data. The issue is when the user mouses over ...
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1answer
62 views

Selecting features within bounding box using QGIS?

What is the best way within QGIS to select all of the features within a rectangular bounding box? Is it necessary to create a separate layer with the box, then to use the intersection tool within ...
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1answer
105 views

Projected raster data has inconsistent extent but not shapefile

I want to calculate the average value of a raster file within each polygon boundary of my shapefile. Because I want to preserve area I wish to use the Goode Homolosine (Land) projection. The original ...
2
votes
3answers
90 views

How to find the extent of (many) EPSG CRSes?

I want to map the geographic extents / bounding boxes of a lot of EPSG CRSes. At least, those with a rectangular geographic extent. For example, take epsg:2004, visiting that page shows the extent ...
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1answer
129 views

How to arrange own tiles without projection in OpenLayers 3?

I have own tiles (.png) of 512x512 pixels and I would like to display them in OpenLayers 3 without projection (for now). Therefore I found a way to use the ZOOMIFY projection but with a ...
2
votes
1answer
61 views

Expanding raster extent with ArcPy?

How can i expand extent of a raster image with Python as the image shown in below. I have the coordinate information of a raster image such as Xmin Ymin Xmax Ymax,how can i expand its extent based on ...