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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9 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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1answer
33 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 ...
1
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0answers
29 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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1answer
35 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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1answer
21 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
30 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 ...
2
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0answers
17 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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11 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, ...
2
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2answers
35 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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0answers
23 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
28 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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1answer
31 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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44 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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2answers
69 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
45 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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1answer
35 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
48 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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1answer
43 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 ...
0
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1answer
75 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 ...
0
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1answer
74 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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0answers
76 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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1answer
39 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
161 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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35 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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1answer
146 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. ...
4
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1answer
520 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, ...
3
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1answer
65 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 ...
2
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2answers
61 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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0answers
43 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 ...
0
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1answer
82 views

CRS of QGIS bounding boxes

I used QGIS to find the extents/bounding boxes of a list of features from census data. I used the following method: Vector - Research tools - Polygon From Layer Extent, which creates a new shapefile ...
3
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2answers
72 views

Unknown red rectangle appears in map window

I would like to know where this red rectangle comes from? It's not a polygon or a line, it can't be activated or removed or anything else. It just appeared during the project work (adding shp-files, ...
2
votes
1answer
55 views

Joining QGIS extent table with shapefile

I used QGIS to find the extents of a list of features from a census boundaries shapefile. I used Vector - Research tools - Polygon From Layer Extent, which creates a new shapefile with a table of ...
0
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0answers
120 views

How to correctly render a raster Layer to GTiFF with QGIS python console?

I am trying to render a map from a raster layer. As recommended in pyqgis cookbook and here(osgeo.org) I use QgsMapRenderer(). I am able to produce a picture but it has not appropriate extent and ...
3
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2answers
183 views

Creating an outline around groups of polygons

I am trying to find a tool or workflow for creating a type of minimum bounding polygon or envelope for complex land areas. (Not just a rectangle, but a simplified perimeter) Can anyone recommend a ...
1
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2answers
54 views

How to save view so all maps are same when exporting maps?

I have been exporting a number of different projections for a study. However, the problem comes when I want to edit features or zoom in or out. When I then return to the Layout view, the map is not in ...
1
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1answer
21 views

Python version of MAP_2POINTS

I think I may have stumbled onto an IDL function which does not have a python equivalent... :'( I am working with a Whiskbroom imaging radiometer (Terra/Aqua MODIS), with a corresponding bounding box ...
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3answers
165 views

How can I insert a bounding box or polygon in a PostGIS geometry field?

I have a field in my table called 'geometry' that was created thus: CREATE TABLE "public"."sites" ( "id" int8 DEFAULT nextval('sites_id_seq' :: regclass) NOT NULL, #... A few MORE fields ...
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1answer
65 views

raster files are not exact in extent after clipping

My two layers (chlorophyll-a and Bathmetry) are not exact after I clip my rasters. My bathymetry data (1) is reporting up to 10 decimal places where as chlorophyll-a (2) is only 3 decimal places and ...
1
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1answer
35 views

Deleting vector lines beyond image extents using QGIS?

I am using QGIS 2.2 I have one vector line layer (roads) that stretches beyond my base image (see below). I wish to have the roads "clipped/trimmed or deleted" right at the edge of the image's ...
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0answers
119 views

Setting the correct zoom level from Sector bounds for flat map using WorldWind SDK

This is not coming out correct for me. Setting the zoom level based on some other code I got on here using the EarthFlat model, which does not set the correct zoom for the placemarks within a sector ...
1
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1answer
58 views

Determining projection of Texas county shapefile?

I have a Shapefile of San Jacinto County in Texas. It thinks it is NAD83 UTM Zone 15N, but the dataset isn't jiving with any other dataset. Max X: 1,073,721 Max Y: 11,223,970 Min X: 895,728 ...
0
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1answer
31 views

Passing extent from web map to PDF for integration?

I'm trying to figure out whether I can take an extent (or coordinatess with a Zoom level included) to a PDF in order to author a PDF that displays both GIS and report-styled business data? Is this ...
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0answers
253 views

arcpy.Describe.extent not working [closed]

I have a script using ArcPy that I used a year ago and calculates the extent of all the features in a shapefile: # -*- coding: utf-8 -*- import arcpy from arcpy.sa import * import os, os.path ...
1
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1answer
546 views

accurately find the bounding box of geography polygons

Im displaying polygons on a map and have had issues with the spatial index where the index performs well only for certain data sets (large areas with low density / high density small map areas). I've ...
1
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0answers
30 views

Setting the extent in cartodb to the sublayer bounds

How do you set the extent of a sublayer to fit all of the points? I've been trying to use this bounds function, but it doesn't work: sql.getBounds('select * from table').done(function(bounds) { ...
0
votes
1answer
227 views

How to determine bounding box of current qgis 'map canvas extent' from the python console

I've asked a similar question here: How to quickly calculate bounding box coordinates of a selected polygon with qgis ...regarding a quick way to determine the bounding box of a given layer. Is ...
1
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1answer
181 views

Set initial extent programmatically Android

I need to dynamically set the extent when the map loads. I have graphics that are being added to the map layer and want the extent to allow all the graphics to be shown. Currently I am getting a min ...
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1answer
36 views

Reference Coordinates System bounds

I have a catalog that contains different coordinates system definitions. I have a web interface where one should be able to see a given coordinate system extent in a google maps view. My question ...
0
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1answer
92 views

ArcGIS Feature Class Extent Changing

I've been having a problem with the extents of feature classes in our SDE here at work. Our database is divided into feature datasets that have various feature classes in them. The problem is as ...
0
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1answer
35 views

Where to purchase global boundaries data on city level for commercial use?

Recently I was asked to deal with an app geo locating improve project. It can't be completed without any boundaries metadata on city level. But so far most of my research led me only to things for ...