1
vote
0answers
23 views

XYZ bounding box of a spherical polygon

I'm looking for an algorithm to calculate the 3d bounding box of a spherical polygon - i.e. the min/max X, Y and Z over that part of the surface of a unit sphere. The purpose is to aid fast ...
0
votes
0answers
19 views

Problem installing MbTiles plugin for GeoServer

I have had trouble getting the MbTiles plugin to work with GeoServer. I installed each of GeoServer 2.5, 2.6 and 2.7 in turn. All three installations seemed to work fine on localhost without any ...
0
votes
0answers
14 views

Jquery attr() funciton returning “undefined” for GetCapabilities Request

On my webpage where I am displaying my maps, I want to add a link to the metadata of the selected map. I have specified the link in GeoServer in the MetaDataURL field, and should be able to retrieve ...
2
votes
2answers
28 views

Changing the transparency of a raster layer with ArcObjects

I'm trying to do some simple things with the .net framework and ArcObjects, but have little experience with this type of development. I would like to iterate through the layers in a map document and ...
-1
votes
0answers
27 views

Merging all features in a Geodatabase using a common Name

I have a Geodatabase containing a large number of feature datasets storing contaminated site information. Each feature dataset contains a 'site' feature class (for example 'SITE_9345'). What I ...
1
vote
1answer
42 views

Convert shapefile to WGS84

I have a shapefile with shapelength and shapearea, and would like to convert to WGS84 to use with ggmap. Eventually, I would like to get plot google map of individual regions of the shapefile, and ...
0
votes
0answers
14 views

how to remove duplicate values geojson on feature.properties.name?, using leaflet oneachfeature

I have duplicate value into select combobox, using oneachfeature and geojson the values are into combobox select, I'm trying to remove duplicate caracteristiscas the GeoJSON to populate within a ...
3
votes
1answer
58 views

Split by Attribute without making separate new feature classes or shapefiles?

I would like to automatically split a featureclass by a specific field. I've seen a few tools online and on XToolsPro, but what it does is create multiple NEW shapefiles or feature classes. What I ...
3
votes
1answer
101 views

How to iterate through all geometries using a search cursor?

I would like to use a python add-in which uses a button click to iterate through each selected polygon one by one. The following code manages to zoom only to the first polygon. How can I adapt it to ...
1
vote
1answer
26 views

Python: how to set a different output folder

I want to transform some vectors to rasters in my folder but I have difficulties setting the output folder. The following code only allows me to output to the original database. I hope to output all ...
1
vote
1answer
19 views

Loading GeoServer WMS raster layer in QGIS Python console

I am using the following snippet to load a raster layer deployed under wms service using geoserver, in qgis python console. I am getting False output. Any idea? registry = ...
0
votes
1answer
29 views

How to create a locator through Open Street Map Data

I need to make a locator for UK addresses and I know Open Street Map has very good data for the UK, I was wondering how I can convert the data for house addresses, which is in xml form, into a locator ...
1
vote
0answers
12 views

PyQGIS Standalone Crashes python.exe when zooming out too far / Process finished with exit code -1073741819 (0xC0000005)

I have the following PyQGIS Standalone App which is working fine so far. One little problem is that if I zoom out to the MaxExtent(by scrolling the mousewheel) the app crashes python.exe so that the ...
2
votes
1answer
24 views

Error: Algorithm not found (QGIS)

I wrote the following code using QGIS'API. import os from qgis.core import * import qgis.utils prefix_path = os.environ['QGIS_PREFIX_PATH'] QgsApplication.setPrefixPath(prefix_path, True) ...
0
votes
0answers
14 views

Connect two objects so there is no 'break' between nodes in MapInfo [on hold]

How can two polygon objects in MapInfo 10 be connected or combined, so there is no break between nodes? Example: how could you connect two square objects (4 nodes each), into one rectangular object ...
1
vote
0answers
38 views

Do countries have a Latitude and Longitude range?

Do countries have a Latitude and Longitude range?. Is it possible to get the latitude and longitude range or boundary for each country. UK lat and long is 51.5000° N, 0.1167° W. What is the ...
0
votes
2answers
38 views

Which co-ordinate reference system should I use for the British Isles?

I'm wondering which co-ordinate reference system would be the best to use for a project covering the British Isles, since the UK and Ireland have separate systems - British National Grid and Irish ...
2
votes
2answers
39 views

Easy Custom Labeling tool: How do I remove label arrows?

I am labeling a lot of features and the Easy Custom Labeling tool is helping me to move every label to the desired position. I also like that the tool adds arrows for labels that I moved but sometimes ...
0
votes
0answers
35 views

Leaflet tile rendering

I've startet tinkering with the Leaflet JS library in order to display a Web Map Tile Service (WMTS). By default Leaflet does not support the WMTS standard. An initial investigation has revealed that ...
1
vote
1answer
25 views

What is/are the coordinate systems used in South Africa?

What are the principal datums and projections used in South Africa including the names of geodetic datums and their projections?
2
votes
2answers
59 views

Find all polygons containing points specific criteria

I have searched for a bit, but couldn't find an answer for my question. So I have two tables (PostGIS), one containing points, and the other containing polygons. Right now i have this query for ...
0
votes
0answers
24 views

How can I install Pywin32 with the ArcGIS 10.3 python 2.7?

After installing Python2.7 with ArcGIS Desktop 10.3 and installing pywin 2.7 32bit as Administrator (very important!), I got the following error message: close failed in file object destructor: ...
0
votes
1answer
11 views

Geoserver WPS Request for jts:buffer (or something else) with Multipolygon

I want to create a WPS Request using the JTS:Buffer (or any other process). I'm using the built in WPS Request Builder from GeoServer. My Multipolygon looks like this: 52.52735668,12.71762844 ...
0
votes
0answers
4 views

Sum multiple grib2 files

I have several grib2 files containing hourly accumulated precipitation data however I would like to merge these files so that I have the accumulated precipitation across several hours. So say I have ...
0
votes
0answers
7 views

PyGrADs: Importing NOAA Rainfall (.rt)/Exporting NetCDF

I am in the process of automating a workflow from downloading NOAA's Climate Prediction Center's Daily Rainfall data in Binary, using GrADS to convert and export to NetCDF, then arcpy to extract ...
0
votes
0answers
9 views

Using custom mapbox styles with mapnik

I created my own tile server according to this instruction and my own layout/style with mapbox. Following the mentioned instruction I currently use OSM Bright as layout/style. In short: How can I use ...
2
votes
0answers
25 views

Can you load WFS uncached in QGIS

I think this might be a bug, but we've just installed QGIS 2.10 and the WFS seems to be working strangely. When you load a WFS which is not cached the system loads all the visible features as ...
1
vote
1answer
13 views

gsb projection file for qgis under MAC OSX

I'm trying to create a new projection inside wgis. The projection includes a gsb file. With the Windows OS is easy to implemnet that: you just need to place the gsb file inside the ...
0
votes
0answers
7 views

How do I make the binoculars invisible when I search by attribute on ArcGIS for Flex

I am preparing a flex map. When I use the search widget, the binoculars cover up the symbol that is being searched. Is there a way I can remove the binocular symbol?
0
votes
0answers
6 views

ArcGIS Online Oauth2 issue

I'm trying to create a java app that will interact with our ArcGIS online portal. I've created an admin account for our ArcGIS online instance for the tool to use. But for whatever reason whenever if ...
0
votes
0answers
15 views

GeoServer printing problem

I have implemented printing functionality in my gis application using GeoServer printing modul. It works OK when installed on my development server, but when I installed it on client production server ...
2
votes
2answers
20 views

Save and load maps for ggmap to use without internet access

I would like to use the ggmap package to download and display maps. Unfortunately I have some firewall restrictions preventing R from accessing the internet directly. The error I get from get_map is ...
2
votes
1answer
30 views

How to add a message bar to custom canvas?

There is a simple code to add message bar to main window in QGIS: iface.messageBar().pushMessage("Hello","World") My question is how to add bar to my custom canvas canvas = QgsMapCanvas() in ...
1
vote
1answer
23 views

Spatial Resolution Reprojection - rom Angular to Rectangular Values with GDAL?

I have an image in a WGS 84 / No Defs projection. I can get it spatial resolutions in angular units for X axis and Y axis through geotransform parameters. If I would reproject this image into WGS 84 ...
2
votes
0answers
45 views

Remove multiple fields from multiple shapefiles using a python script [duplicate]

I'm using the python console of QGIS 2.8.1-Wien. I have a shapefile with many fields in the table that I want to remove them. I tried to use this geoalgoritm as: ...
0
votes
1answer
14 views

Failure of non existant SQL statement after executing statements from a file with ArcSDESQLExecute object

As you see in my code I iterate and execute all the sql statements in an sql file using ArcSDESQLExecute object. It does work but when all statements have been executed the object returns 'None' ...
0
votes
0answers
25 views

how to find the polyline direction in SOE

I create routing route between A -> B -> c using SOE(Using C#). From here A - Origin, C - Destination and B - Intermediate terminal It's digitized route direction is A -> B and C -> B. When i ...
2
votes
0answers
42 views

PostGIS for GPX analysis

I have GPX trails of vehicles/bikes of a particular city. Meaning, lat/lon, timestamp of bike trails from where a particular bike started and ended at different hours of the day. I have sets of these ...
1
vote
0answers
22 views

Make a line from a set of GPS points close to a specific GPS point with PostGIS

I have to develop a map-matching algorithm. By the moment I only match gps points with the closest road segment. I'm looking for a way to compare the directions between a gps point and a road to ...
0
votes
0answers
21 views

Calculating the distance between a set of UTM coordinates [duplicate]

I would like to calculate the distance between several GPS points, these data are projected into UTM Zone 30. I am using Postgresql 9.3 but I am happy to see results with any software or website such ...
2
votes
1answer
27 views

What is the easiest way to test python Add-Ins with ArcGIS 10.1 +? [duplicate]

I am trying to develop a Python Add-In for ArcGIS 10.3 and finding debugging pretty laborious. At the moment when I make a change to my python script I have to do the following: Close ArcMap Delete ...
-1
votes
0answers
9 views

Calling function (Zonal attributes) inside Erdas Imagine 2014 Spatial Model Editor?

I am using the Spatial Model Editor of Erdas Imagine 2014. How do I call a function (Zonal attributes) inside the Spatial Model Editor so that I can process images in batch?
0
votes
0answers
8 views

Image in ToolPalette using ArcObjects

I want to set image in ToolPalette of config.esriaddinx. How it can be possible? My code is here : <Tool id="ESRI_SelectionSample_SelectByLineTool" class="SelectByLineTool" caption="Junction" ...
0
votes
2answers
19 views

ArcGIS Javascript API - carrying out multiple query tasks

I have carried out a QueryTask on a map service that returns a polygon when I input a postcode. Within the same service there is an additional layer that allows the user to query a local authority ...
-2
votes
0answers
35 views

need information about openstreetmap (osm) [on hold]

I am looking for information or code sample to use OSM map I am working on a project that need to read OSM and to display it I intend to use the QgsOSMDownload and more But at this time i need ...
0
votes
3answers
18 views

Make polygon from area not covered by loaded polygons (like invert selection)

See screenshot, from geojson.io, with a geojson file loaded: So how do we make a polygon out of the blank area? Looking for a way which doesn't involve manually copying selected sequences of ...
0
votes
0answers
6 views

Adding a layer in Openlayers returns error [on hold]

I am trying to understand why the following simple code of adding a layer in openlayers gives an error (adds the layer in layer switcher but everything gets pink): //alert(layerName); var ...
0
votes
0answers
8 views

Upgrading Heron to 1.0.5 to use with OpenLayers 2.13.1?

Can we use Openlayers 2.13.1 instead of openlayers 2.12 with heron 1.0.5 ? If yes, then what changes we have to make and if no then what are the possibilities of its up gradation in future. The ...
1
vote
1answer
24 views

Converting OpenStreetMaps PBF to geojson with geocoding

I am able to convert PBF to geojson, but I lack the additional attributes like state, country, city, suburb, type of business etc which is offered by geocoding service like Nominatim. The geojson ...
0
votes
0answers
11 views

How to stop/disable an openlayers 3 animation?

I have the issue of overlap 2 animations if the previous is really long. I'd like to stop the current animation for set a new animation with different parameters. var anima = ol.animation.pan({ ...

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