1
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0answers
86 views

WMS or WFS for selecting features and show attributes?

I am beginner in MapServer and Openlayers. I want to be able to select features and show their attributes by user click. I don't need to edit any feature. I know this is possible with WFS, but ...
1
vote
0answers
130 views

How to add a WFS layer to an OSM base layer from GeoServer

I'm sorry if I'm repeating what has been asked several times! I'm a novice in open layers and java script , please can some one tell me where i am making a mistake , below is the code which i used ...
1
vote
0answers
156 views

OpenLayers 3 with HTML5 Canvas on top

I’m building an application where I have OpenLayers 3 with a map and then a HTML 5 canvas over it where I draw features. The problem is that the mouse events are not propagated to OpenLayers. So, if ...
1
vote
0answers
24 views

extraction of metadata from gml file

I am in the need to extract metadata in XML format from a gml file following the standard ISO 19115 Can anyone suggest to me how to do that Is there any open source for the same
1
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0answers
45 views

FileGDB API for Visual Studio gives error?

I download API for vs 2008. When I try add reference VS show error: What can I do? Windows 7 64 bit dll too for 64 bit VS 2008
1
vote
0answers
57 views

Assigning widths to string fields using writeOGR() from rgdal?

I am currently working with MapInfo files in the .tab format. I am using R (3.1.0 for Windows) to read and write files in this format, however, I am encountering an issue with writeOGR() from the ...
1
vote
0answers
29 views

How to integrate search functionality on the map filtering information in the data table?

I want to a site with the same functionality just like AZAVEA created the energy station with search functionality ...
1
vote
0answers
94 views

ArcGIS Solar Radiation tool says output global radiation raster empty?

I am using ArcGIS 10 with windows7 64 bit on core i7 processor I am working with ArcMap 10 solar radiation tool to create the area solar radiation map. Every time I run the tool it stops after some ...
1
vote
0answers
10 views

Logfile or something of a shape

I've a shape which was processed with the qgis geoalgorithm tool "eliminate sliver polygons". My desire is to get a kind of logfile of this certain process. I need to know the whole calculations ...
1
vote
0answers
33 views

Editing data with Server Object Extension?

Is it possible to use an interface such as IWorkspaceEdit within an Server Object Extension to create new features or update data in a geodatabse? Perhaps this can only be done through a managed ...
1
vote
0answers
93 views

Trying to make a depth map of a lake but can't get the contours to show up right

I am trying to make a depth map of a lake. I am using the contour plugin to generate contour lines. The problem I am having is that when I use the plugin the contours come out right except on the ...
1
vote
0answers
57 views

Raster calculation with string in modeler

In my model I have one raster file and also a string input (factor for further calculation). I tried to use the grass r.mapcalculator where I can find the raster and also the string input. I tried to ...
1
vote
0answers
76 views

Geometric functions in field calculator in QGIS

I had a look in the manual of QGIS and I also browsed the Internet to find some useful information about the geometric functions of the field calculator. I've found this post but I'm still confused. ...
1
vote
0answers
60 views

How can I get a .asc file to load into QGIS?

I got some files from an ag plane that are in ASCII format. I can not seem to be able to get them to load into QGIS without the This is a link to the file I am trying to use. ...
1
vote
0answers
30 views

oL v. 2.13: How to stop Zoom and Pan removing selected markers from array?

I'm new to oL and I have an array of selected markers that is emptied each time the map redraws itself, specifically at the end of zooming or panning. I can't find where this is happening in the code ...
1
vote
0answers
54 views

Arcpy and pyqgis on same IDE

I have question: is it possible to set up arcpy and pyqgis on the same IDE (I use Pycharm). I have some problem with running my pyqgis scripts from pycharm. When I first configure Pycharm to recognize ...
1
vote
0answers
136 views

Generating Heat Maps with GeoHash

I have a long list of GeoHash codes for a certain geographic region. I'm using 6-character precision so for example if the area under study was Earl's Court in London, I would have a few six letter ...
1
vote
0answers
159 views

QGIS Server first steps

I try to get the QGIS Server running and just try to establish a first WMS. I tried to follow http://hub.qgis.org/projects/quantum-gis/wiki/QGIS_Server_Tutorial#Windows and ...
1
vote
0answers
69 views

Geocortex Essentials

I am currently using Geocortex Essentials REST elements and I am in the process of adding a new map service. I've entered in my url to the map service's in ArcGIS Server, but can't see my newly ...
1
vote
0answers
83 views

laspy reading las file

New to laspy and encountering an error. The first code block describes the file header, the second (In[24]) fails to open the file with laspy: In [21]: import numpy import laspy from laspy.file ...
1
vote
0answers
95 views

ModelBuilder, Iterate by Field and Viewshed

I want to compute the independent Viewshed for 360 different points. If I run these all together, I have one viewshed output which shows how many times any given cell is visible, but this does not ...
1
vote
0answers
42 views

Export isochrones to images

I'm looking for automated/scripted ways to generate PNG images based on GeoJSON multi-polygons. I have multiple polygon isochrones for a given starting point, e.g. 10 minutes, 15 minutes, 30 minutes, ...
1
vote
0answers
49 views

What was the first ever developed Indoor Positioning System?

I have searched many articles but could not figure out when was IPS developed and by who. I suppose that it was after the development of GPS, but that might be a wrong assumption as well. Could you ...
1
vote
0answers
95 views

What is wrong with my WFS-T protocol setup?

So I want to transfer some Vector Layer Features from javascript code to my geoserver and then to postGIS, my code looks like this: saveStrategy = new OpenLayers.Strategy.Save(); ...
1
vote
0answers
302 views

Add WMS from geoserver to openlayers with OSM baselayer

I am new to javascript/the openlayer. Maybe you can provide me with some help. I would like to add a wms layer (BLD_504) from dwasa (workspace) locally. The code is as follows: <title> ...
1
vote
0answers
36 views

mosaic dataset and overview failed in arcgis

I m working with arcgis 10. i m trying to optimize the storage and the visualization of heavy raster. After importing raster in file geodatabase i put them in a mosaic dataset and i generate overview ...
1
vote
0answers
178 views

How to get feature on vector layer in Openlayers 3?

I'm try to get feature of a vector layer, but I'll have 3 or more Vector layer. When I click the map, I didn't get the feature. My vector layer definition; var vectorAltAlan = new ol.layer.Vector({ ...
1
vote
0answers
30 views

Geoexplorer - How to open query panel in a bigger window?

The query panel in Geoexplorer (displayed in lower left corner) is so narrow, that entering data in it may be cumbersome. How can i configure Geoexplorer to open this panel in a bigger window and ...
1
vote
0answers
20 views

Creating single feature to represent group of individual features, based on location and #, using ArcGIS Desktop?

I am looking for an algorithmic way of handling this situation, as I can do it manually with the ruler and some time, but it would be nice to find a programmatic to have Arc do the work for me, so any ...
1
vote
0answers
43 views

Map server annotation rendering error for larger scales

I am using Map Server 6 and one of my layers don't show the annotation for certain scale level. As you can see the code bellow, the MAXSCALEDENOM is working correctly. However the annotation ...
1
vote
0answers
59 views

QGIS Server does not publish Oracle Spatial Layer

I want to publish a Oracle Spatial Layer which is defined in a QGIS Project with the QGIS Server as a WMS. The capabilities document of the QGIS Server does not include the layer description of the ...
1
vote
0answers
73 views

Placing layer name beside their symbols in legend using representations of ArcGIS for Desktop?

I want to place the layer name of my feature class (styled with a representation) beside (right hand side) its symbol in the legend of my map in ArcMap 10.1. I know that the format can be changed ...
1
vote
0answers
47 views

How to find if ArcMap raised error during edit session?

I have a class extended IExtension and inside this class I catch OnCreate, OnDelete and OnChanged and OnStopEditing events of Editor object of ArcMap. However I need to know if ArcMap has raised any ...
1
vote
0answers
48 views

How to emulate OpenLayers button click in C#

I'm trying to call a click of a user using C # with the following code ( " C # : GeckoWebBrowser.Navigate ( javascript : void ( Document.getElementById ( ' idOfElement ' ) .click ( ) ) " ) ; ...
1
vote
0answers
83 views

Using Detect Feature Changes Tool in ArcGIS for Desktop?

Has anyone used the Detect Feature Changes (Data Management) tool in ArcGIS 10.2 for Desktop? I am working on two linear feature classes, one a newly updated and one an old one. This is the first ...
1
vote
0answers
110 views

ArcGIS Python Add-In: Enable snapping for OnLine method?

I am working on a Python Add-In using ArcGIS 10.2.2 where the user can draw lines and the Add-In will add dimension annotation showing length for each segment of the line that is drawn. I can get ...
1
vote
0answers
84 views

How to freeze basemap using cx_freeze

I am working on script and I´d like to freeze it for use in computers who haven´t got python installed- The script is running fine but when I freeze it using cx_freeze an error appears. at the end ...
1
vote
0answers
32 views

wrong layout when using Openlayer plugin

I'm drawing a simple map and I noticed a weird problem. Very briefly: I have a simple shapefile (a region) and the Google Satellite layer of the OpenLayer plugin activated on my map canvas. On the ...
1
vote
0answers
38 views

How to get transparent nodata values in GeoExplorer?

I have a single-band raster image with NoData values set to 0. Is it possible to get them transparent in GeoExplorer?
1
vote
0answers
79 views

InfoWindows in Nested Polygons (Google Maps Api 3)

I have a large polygon with thick borders inside which there are several smaller polygons something like multiple city polygons inside a state border. The problem with this is that the info-windows ...
1
vote
0answers
38 views

SQLite Driver available with R's rgdal:writeOGR?

Does anybody know how I can get OGR's SQLite Driver to work with R's rgdal package? When listing the drivers in R with the ogrDrivers() command the SQLITE driver is missing..
1
vote
0answers
50 views

Comparing and updating two large tables

I'm using CartoDB to sync the status from tables using a common ID on each one. The problem I found it's the tables are too large, over 29k rows. Here is the query I'm using and the gives me an ...
1
vote
0answers
67 views

My layers are not visible after restart geoserver

I have ArcSDE connection on Geoserver. In order to make geoserver faster I have restarted it. After restarting my published layers (datas) are not visible. When I publish this layer again, geoserver ...
1
vote
0answers
42 views

Saving Changed Features from OpenLayers does not work because GeoServer claims Layer to be read-only

Trying to save a few changed Features in OpenLayers back to my geoserver (2.4.4) with saveStrategy.save(). Features don’t change. What I get in the geoserver protocol is: ...
1
vote
0answers
45 views

How can I include “live” OSM points of interest on a cartoDB map?

I know how to export OpenStreetMap data using http://overpass-turbo.eu/ and build a thematic map in CartoDB. For example see the toilet map with CartoDB identifier ...
1
vote
0answers
75 views

Clip Management won't work outside of ArcMap/Catalog

Okay so I have a short script that works great when copied into the python window in ArcMap or ArcCatalog, but refuses to work in an IDE for whatever reason. The error that is thrown is: Start Time: ...
1
vote
0answers
33 views

How to get attributes from line-polygon where points are snapped on, into the point-layer?

I have a SQL Server spatial table with point-objects, the points are set by snapping onto a line SQL Server spatial table. so the points are georeferenced on the line. How can I get the attributes ...
1
vote
0answers
50 views

Generating a Placemark (Google Earth) via information link

I'm using the ArcGIS JavaScript API. I'd like to have an infowindow pop up that has a link to a downloadable KML placemark. Is this possible without pre-generating thousands of individual KML files? ...
1
vote
0answers
41 views

Checking Annotation overlap with other features using ArcObjects?

I want to check annotation features overlap with any other feature and also have to give other overlapped feature list....please tell any method for this? Now i am using buffer around selected ...
1
vote
0answers
45 views

Discrepancy between DXF and Shapefile Polygons

I have created a shapefile based on a dxf. the areas are as follows: DXF: 51216417 square metres = 5121.64 Hectares = 51.21 square Kilometres. GIS: 50.998 square kilometres. What could have caused ...

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