1
vote
0answers
37 views

Is there an api for world terrain/biome data?

I'm looking for an api where I pass a lat/lng, and get "Desert" or "Mountains" or "Ocean" back. Just the general biome of the area. Most of what I've seen involves getting tiles back, so you can ...
1
vote
0answers
62 views

Convert multiline to polygon

perfect result Shapefiles How I can convert this closed line to polygon with PostGIS? I tried many functions like ST_Polygonize, ST_MakePolygon, ST_BuildArea. I got some results, but not a perfect ...
1
vote
0answers
125 views

Finding areas with high POINT density from PostGIS table using Python

I have a PostGIS table with thousands of POINT objects and I want to find areas that have a high density of points. I have the DBSCAN clustering algorithm implemented in Python which does exactly ...
1
vote
0answers
498 views

ArcGIS Collector on Android failing to upload multiple features with attachments

I have a data capture map in ArcGIS Collector working correctly on a Samsung Galaxy Note 8 (Android 4.1.2) and a Samsung Galaxy Tab 4 (Android 4.4.2). I also have the same map working in the ArcGIS ...
1
vote
0answers
25 views

Zoom to a vector feature in a vector layer

I am using OpenLayers+GeoServer and I have a vector layer in a map with some features I would like to make a zoom and show the map centered in one of these features that I can get by ID. How can I do ...
1
vote
0answers
32 views

Is it possible to add custom tools to Qgis Map Server?

Is it possible to add custom tools to Qgis Map Server such as processing tools and query tools. If so are there any tutorials?
1
vote
0answers
58 views

Why does the postGIS file lose geometry?

I am loading shapefile data from a GPS into PostGIS via Leica ZenoOffice. This apparently imports fine with it's geometry in the attribute table. However, when I add a postGIS layer in QGIS the file ...
1
vote
0answers
94 views

Problem Installing QGIS to Samsung Galaxy Tab3

I try to install stable and nightly(18/09/2014 last nightly) versions of QGIS to Samsung Galaxy Tab3 (Android) but unfortunately I can't. When the installation is completed asked me to confirm the ...
1
vote
0answers
175 views

OpenLayers WPS Client and WMS Service in external server

i'm trying to do the WPS Client example that is in https://github.com/openlayers/openlayers/tree/d3ad06f57e577ca5d454269add301710af19155d/examples The code below is what i'm tryung to do: WPS.js ...
1
vote
0answers
72 views

How to count the number of coordinates within x meters grouping by distinct ids?

I have a table "items" of about 1 million rows and 40.000 distinct ids like the following: idx | id | point | lat | lon | the_geom 1 | 1 | 76 | 51.463388 | -0.16869856 | 0101000020E... 2 | 1 | 53 | ...
1
vote
0answers
90 views

how to create map package programatically using C#?

I'm using .NET SDK to create ArcMap toolbar with arcgis 10.1. how do i create map package .mpk programatically? http://resources.arcgis.com/en/help/main/10.1/index.html#//006600000403000000
1
vote
0answers
92 views

Cannot produce pie chart in QGIS 2.2

I have a shapefile to which I joined two tables from a MySql database. I used one column of the first table to color the polygons in my shapefile which works fine. Three columns out of the second ...
1
vote
0answers
98 views

QGIS processing framework SAGA NaturalNeighbor in external Python Script - No Output

I want to build a little script, which generates a NaturalNeighbor grid based on a point Shapefile. The script runs within my PyDev environment without any error messages, but no outputfile is ...
1
vote
0answers
21 views

How to know which Tiles build a rendered Image obtained by a Map Query?

as Test Purpose for my app, I want to know exactly, which Tiles were used to render the result image I get by query. I.e. I want to see a bounding box of 500px*300px with zoom 13 of Location ...
1
vote
0answers
53 views

Openlayers - Maximum number of layers in LayerSwitcher

I am working on a thematic mapping platform showing data at local administrative levels. I have many layers, so I run into problems (see screenshot: http://gisintersect.com/many_layers.png). Is there ...
1
vote
0answers
194 views

Backup/Restore ArcGIS Server 10.2.2 site that is federated with Portal 10.2.2

Is it possible to backup and restore an ArcGIS Server site that is federated with portal using a domain certificate (in other words a certificate that is not CA-signed)? I am attempting this directly ...
1
vote
0answers
27 views

Delete Rows tool calls local pathway instead of data store scratch pathway

Publishing ETL's as services for automation and using the Delete Rows tool runs successfully in desktop. Publish the results and when the service is run the Delete Rows tool is trying to make the ...
1
vote
0answers
65 views

How to extract xy coordinates to featuretable using ArcGIS web map/app to create points?

I have an ArcGIS online web app to collect points using the services served on our server. The featurelayer exists in our SDE server. How can I extract and update the xy (lat/long) coordinates ...
1
vote
0answers
40 views

Setting up ArcPad applet (Python) that calls arcgisscripting?

I've been asked to support a legacy script that was "made" (read: found) by a former coworker. My python skills are pretty basic, so I went right to installing the applet like I would for a VBS ...
1
vote
0answers
30 views

How to serve data that changes with time

This question is practically the same as an older one that concerns GeoServer; I'm interested in MapServer instead (and I don't see a satisfactory answer to the GeoServer question either). I have ...
1
vote
0answers
63 views

Qgis Web Client feature jump to layer

It is possible to add a new feature to qgis web client? I would like to add jump/zoom to selected layer. I tried to add something like this using ZoomToExtent feature with fixed coordinates, but this ...
1
vote
0answers
38 views

Create “grid” of polygons with the same 3D area based on an underlying raster variable (e.g. DTM height)

This could apply to point or raster values but imagine a raster of a continuous variable such as height (DTM). Is there a way to create a complete coverage of polygons that will have an equal area, ...
1
vote
0answers
48 views

Is there a QGIS plugin that allows users to interface with a PHP form page?

I've been looking for several days for a QGIS plugin that allows users to interface with a PHP form page. Does anyone know something that works in this way?
1
vote
0answers
74 views

get the tiles? (GeoWebCache, GeoServer, PostGIS, REST)

i've got a PostgreSQL (9.2.9) database, PostGIS (2.1.3) enabled - and it works fine with GeoServer (2.5.2). So by now i'm trying to make tiles of the map with the integrated GeoWebCache - but i don't ...
1
vote
0answers
28 views

LatLon Package python 3.4

Does anybody know a package who work in python 3.4 as "LatLon" Package ? https://pypi.python.org/pypi/LatLon/1.0.1#downloads
1
vote
0answers
43 views

How to handle exception in Arcobject 'Attempted to read or write protected memory' while working with three different featureclass

I have three featureclasses representing Road,Rail and city junction respectively. First i have taken rail and road featureclass and done spatial query ...
1
vote
0answers
25 views

getParameterInfo datatype for creating new feature class

I'm having trouble finding a suitable datatype that allows the user to browse to a .gdb and create a name for a new feature class. DEFeatureClass wants an existing FC to write to. Using ...
1
vote
0answers
44 views

How to get a dynamic picklist in QGIS

Has someone an idea how to get dynamic picklist widgets in the object window! Eg. You choose a country in a picklist so the next picklist only shows cities in that country! I know that you could ...
1
vote
0answers
71 views

Error when trying to visualize geography data with QGIS

I use PostGis, and want to use QGIS to visualize data. But I get error message when trying to show the points in the table. I create a table: CREATE TABLE poi ( id text NOT NULL, coord ...
1
vote
0answers
185 views

How to build QGIS on CentOS?

I'm trying to install QGIS, without success. I install all dependencies, but the compilation still sucks. My compilation log : [root@localhost build]# cmake .. -- QGIS version: 2.4.0 Chugiak (20400) ...
1
vote
0answers
163 views

Python coding problem - unicode string passed from dictionary to AddField

I tried all possible hints but I´m still stuck. I want to write a script that can be executed from a toolbox in ArcMap/ArcCatalog. It should rename fields (build lists with old fieldnames, new ...
1
vote
0answers
30 views

QGIS crash on logon screen : Python

When I run QGIS, it loads plugin and everything until starting python appears. I have python 3 installed. I need Python 3 and can't remove it from Python path. How do I use QGIS? Isn't QGIS bundled ...
1
vote
0answers
224 views

How to convert shapefiles into ascii grid .asc in QGIS?

I downloaded multiple zips that cover a small island from the Rhode Island Geographic Information System webpage, specifically the geographic files that make up Block Island. Here's the source: ...
1
vote
0answers
67 views

Migrating ArcView GIS *.apr to ArcMap application of ArcGIS Desktop 9.3?

I have a lot of arcview .apr file. I need to open & edit in ArcMap 9.3, but the original project file is saved in .apr. I tried to use "import from arcview project". The project file can be open ...
1
vote
0answers
56 views

can not use geoserver rest API with geoserver-manager

I want to use rest API of geoserver with geoserver-manager plugin. In netbeans I create a new web application maven project: then in pom.xml file in dependencies I add bellow dependency: ...
1
vote
0answers
110 views

The underlying connection was closed: The connection was closed unexpectedly. AOInitiliaze

I create a WCF Service. When I try to Initialize ArcGIS License with AOInitialize I get error: The underlying connection was closed: The connection was closed unexpectedly. public void ...
1
vote
0answers
76 views

Error on 'Extract raster values to CSV' in batch process in QGIS

The Extract values (csv) contained a bug in the script. The below link shows how to correct the bug. Error on 'Extract raster values (CSV)' - Error executing algorithm 1 'Dataset' ...
1
vote
0answers
52 views

Retrieve the attributes from a feature with IdentifyTask/IdentifyRequest (Javascript API)

So I'm building a GIS web application. I am able to get the result from IdentifyTask with the "oncomplete" function, the problem I am running into is how I can get the information back out of the ...
1
vote
0answers
51 views

What kind of methods are most commonly used to interpolate a relief?

I have got a topographic plan with height measurements which I converted to point shape file with height value in attributes. I was wondering, what kind of methods are most commonly used to ...
1
vote
0answers
263 views

Tiles are blank when Using GeoWebCache TMS to get zoom/x/y.png files

I have a similar requirement to this question, so my existing application works with OSM server and I've been trying to switch it to use our local GeoServer for the tiles. I've implemented the Y ...
1
vote
0answers
18 views

casting problem at CSWClientDemo of geotoolkit

I tried to test CSWClientDemo of geotoolkit but couldn't succeed. Here is a casting problem: GetRecordsResponseType response = ((JAXBElement<GetRecordsResponseType>) ...
1
vote
0answers
230 views

Attribute search in Leaflet

I have added the attribute search plugin to my leaflet map, but I cannot use in the correct way. Somehow my script loads the GeoJSON features two times. The first are the styled markers, the attribute ...
1
vote
0answers
85 views

Create Polygon with inner polygons from KML or Shapefiles?

I am creating a windows forms application and I want to create a polygon from a KML or Shapefile as a layer on top of a Google Satellite map. Today I am using GMap.NET that got an polygon object but ...
1
vote
0answers
14 views

how to close the option of flowing display in one map in SuperMap

how to close all the options in one map that means to close text flow display.Closing the option of one layer by the other one is so tired if there are hundreds of layers.
1
vote
0answers
63 views

Data extract widget - Flex

I have successfully created a data extract widget. It works great. I would now like to be able to set a limit say of 5000sqm or something. I have seen other sites do this. They have a message pop up ...
1
vote
0answers
102 views

Map Service Works in Flex, Won't Display using JavaScript

As the title states, a map service published on my server displays and can be identified just fine when added to a web map in Viewer for Flex. I am slowly learning to use the API for JavaScript. My ...
1
vote
0answers
37 views

how to calculate radius of curves in a polyline with QGIS

I have a polyline made of curves and I would like to know if there is a way in QGIS to calculate the radius of the curves?
1
vote
0answers
44 views

QGIS cannot open layer properties

I'm trying to open (vector) layer properties in QGIS 2.2.0 and 2.4.0 (Windows 8.1) and nothing is happening. The application freezes and not responding at all (requires cntrl+alt+delete to close). I ...
1
vote
0answers
70 views

ERROR 6: EPSG PCS/GCS code error when running QgsGeometryAnalyzer().buffer

I am trying to buffer points from a FileGDB in a PyQGIS script. I setup my environment with the following batch file and run the python script below. The problem is that I get ERROR 6: EPSG ...
1
vote
0answers
54 views

Which type in entities for PostGIS/Hibernate Spatial

I already manage to store, read and update PostGIS rows with Hibernate Spatial with a Point and a MLineString in a very simple case : a MLineString defining a road, display a point along this road ...

15 30 50 per page