0
votes
1answer
9 views

pgRouting with multiple floors

Hoping I might get some help with indoor multi-floor routing using pgRouting. At the moment, I have a dummy network system created to analyze shortest routes between locations with the results served ...
0
votes
0answers
8 views

How to create buffer around points stored in PostGIS and served through geoserver

I have a PostGIS database with a table with point geometry. I am showing these points through Geoserver using OpenLayer2.13. What I want to do is to create a buffer around these points. How can I do ...
1
vote
1answer
21 views

How to create multipe labels on polygons?

Is there any tool or function to create muliple labels on polygons? I've already created point geometries which refer to the polygon geometries but QGIS gets slower and slower with every new ...
0
votes
0answers
11 views

raster2pgsql error

I am attempting load ~500 rasters in a PostGIS table. They are .Hdr/.dat files. I am using raster2pgsql. I am able to load the first 260 rasters, but the remaining rasters fail with the following ...
0
votes
0answers
7 views

mongodb $geoIntersects query for all documents who's polygon contains a point. no results?

I am trying to find all documents for a point that is within a document's polygon. using mongoTemplate to set up my geo index. mongoTemplate.indexOps(Boundary.class).ensureIndex( new ...
0
votes
0answers
9 views

Why is r.sim.water out of memory (ERROR: G_calloc) in GRASS GIS?

I'm having trouble with GRASS GIS. I'm new to GRASS GIS, I have played around and also searched the internet and the Wiki, but found nothing really helpful, so this is my last chance :) I wanted to ...
0
votes
1answer
11 views

In OpenLayers, how to set feature.style when using attribute-dependent symbolizers?

I am using dynamic (attribute-dependent) symbolizers on a vector layer. In this CodePen example, we have the colors of the states depeding on the PERSONS attribute, which given the number of ...
1
vote
0answers
8 views

QGIS, faulty Zonal Statistics calculations in case of empty polygons

I run QGIS 2.10 on a 64-bit Debian system and am currently trying to do some basic raster vector statistics. However, I found that when applying the Zonal Statistics plugin, I end up with completely ...
0
votes
1answer
10 views

How to locate property corners using plat map description?

I am interested in a piece of property for which I have a plat map description, giving what seem to be latitudes/longitudes of lines along the boundaries (not sure about this). The objective is to ...
0
votes
0answers
8 views

User login is not required for vb front end applications? [on hold]

In My Application used VB Front-end C# is the back end language and they are saying like" user login is not required" Why user log-in is not required? how they will monitor user activities or Vb ...
-1
votes
1answer
23 views

How can we export shapfile to svg format using Pyqgis

I am doing a project where i have to export file from shapefile to svg format using Pyqgis. i have read some articles regarding simplesvg plugin but i don't know how can we achieve the same task using ...
0
votes
0answers
7 views

Unsupervised (ISODATA) classification in ENVI returns fewest classes possible

Running an unsupervised (ISODATA) classification in ENVI 5.2 consistently returns the fewest classes possible. For example, set to produce anything between 50 and 70 classes, the classification ...
1
vote
1answer
12 views

Converting grid co-ordinates to GPS co-ordinates

I need to convert grid co-ordinates from an old document to GPS co-ordinates that I can plot into Google Earth and ArcGIS. Here are the instructions: 'It was unfortunately not possible to produce ...
1
vote
0answers
11 views

Loading feature linked annotation to existing sde Database

I have feature linked annotation (composite) in sde Databese and i need to add / load annotation from another Database FGDB, is there a way to do this? or i need to make all the prosses again (Lable ...
0
votes
1answer
20 views

How to restrict panning in QGIS to a given extent

I'm going to build a QGIS standalone application. According to the requirements full extent equals to the extent of a predefined rectangle (say bounding box of a parcel). The application should start ...
0
votes
0answers
25 views

Finding and deleting duplicate records in attribute table in QGIS

I have around 1 Lakh+ (100,000+) point features in my shapefile, which has some duplicate records in it. I had found the duplicate records present in the attribute table and print those in python ...
1
vote
0answers
8 views

How can I show timezone in TileMill?

I downloaded data from Natural Earth Data and added it to TileMill (git revision 8044976 on Mac) I downloaded raster data, borders, cities, airports and timezones. However, the timezones show only a ...
1
vote
1answer
20 views

How can I customize GLMap offline vector map?

I am using GLMap from https://getyourmap.com/ and I have two questions: In my vector map the street name is shown in two languages I want to show in one language. How can I change that? Where can I ...
1
vote
1answer
12 views

WGS84 conversion to EPSG:3067

I'm trying to convert coordinates from wgs84 to EPSG:3067 with proj4js and Openlayers, but can't get the conversion right. When I run proj4('EPSG:3067',[-24.9993393, -60.184716]); it gives ...
2
votes
1answer
37 views

QGIS Export Shapefile

i am trying to export selected feature using pyqgis. till now i have tried these codes. after using this i can select feature but dont know how to export selected feature to new shapefile. canvas= ...
0
votes
0answers
17 views

Error: GRASS 7.0 and QGis 2.8.1 in Linux Mint from the ubuntugis-unstable

I have installed GRASS 7 and QGis 2.8.1 from the https://launchpad.net/~ubuntugis/+archive/ubuntu/ubuntugis-unstable (Trusty 14.04) in Linux Mint 17.1 64bit(sudo apt-get install postgis libgdal1h ...
0
votes
0answers
8 views

GRASS 7 (python:14221): Gtk-CRITICA Linux Mint

I installed GRASS 7 and QGis from the https://launchpad.net/~ubuntugis/+archive/ubuntu/ubuntugis-unstable (Trusty 14.04) in Linux Mint 17.1 two weeks ago (sudo apt-get install postgis libgdal1h ...
1
vote
0answers
21 views

Selecting alternate files (every second) as inputs to ArcGIS ModelBuilder?

I have multiple ‘pairs of images’ that need to be mosaicked but I cannot find how to automate selection of the 'paired' file names as inputs into a model. Each has a file name such as ...
0
votes
0answers
10 views

Define polygon colour by a field with CYMK data separated by a comma using QGIS 2.8.2

I have a similar problem to the following post, but the answers to that question did not assist with my problem. Data-defined Styles in QGIS I would like to colour the polygons in a shapefile using ...
0
votes
0answers
13 views

Showing/displaying relationship between Earthquakes and Fracking operations?

I am presently analysing the relationship between hydraulic fracture operations and possible associated induced seismicity. I have both the earthquake data (as a shapefile with lat, long, magnitude ...
1
vote
1answer
12 views

Geocoding Adresses with varying levels of reporting accuracy?

I am trying to geocode a database that has, I'll call it "4 tiers", of address types. They are: Numbered Street (e.g. 506 Taproom Way) Cross-street (Happy Road $ Jubilant Blvd) Hundreds Block (500 ...
0
votes
0answers
10 views

Looking for a rivers layer for Indonesia

I am looking for a river database for Indonesia. I am aware of VMAP data and can make it myself from a DEM. What I really am looking for is a local product that contains rivers at the very local ...
0
votes
0answers
18 views

Maps with numbers and postcodes using QGIS?

I have a list of UK postcodes and a number of participants in a survey. I would like to map the first three letters of the UK postcode and I would like a shape....a circular shape for example which ...
0
votes
0answers
17 views

QGIS 2.6 Raster Calculator output is smaller than expected

I have used Raster Calculator to merge several raster layers. The layers were all created using geographical features in the same transect, but as the features are not evenly spread, the raster layers ...
0
votes
0answers
4 views

ArcGIS Data Interopabality Extension and Exporting from Mapcom M4

I am exporting from Mapcom's M4 database into Geodatabase or Shapefile. I have the ArcGIS Data Interopability extension and I was able to connect and export the Lines, Points, polys, etc. When I ...
0
votes
1answer
8 views

PrintTask with proxy does not add the correct contet-type header: application/x-www-form-urlencoded

I am using a proxy which I have made on my own so as to perform the map export tasks. I have noticed that GET/POST requests use the content-type header: application/x-www-form-urlencoded. However ...
0
votes
2answers
24 views

QGIS2Leaf Plugin installation error “cannot import name AlgorithmDecorator”

I have been using the qgis2leaf plugin and succeeded in creating interactive maps, adding legend, photos, etc. But suddenly I noticed that the OSM base layer has disappeared and the polygons are not ...
0
votes
0answers
12 views

Removing ArcGIS Online icons in Mac menu bar?

I'm running ArcMap via VMware and each time I open it, an icon gets added to the menu bar. They never go away when I quit the program, so I wind up with quite a little collection until I reboot. ...
0
votes
1answer
23 views

Get street addresses from Open Street Map

I want to get the street addresses for all the buildings in London from Open Street Map, but I'm not sure how to request for it? Can someone tell me what request precidate I should use?
1
vote
1answer
48 views

How to create a sequence for a table which was created by selecting data from another table?

I have created a new table by selecting data from an existing table: CREATE TABLE polygon2 AS SELECT gid, geom FROM polygon1; CREATE SEQUENCE polygon2_gid_seq; SELECT SETVAL('polygon2_gid_seq', ...
0
votes
0answers
5 views

How do I search for features within a polygon in EarthExplorer or other freely available tool?

In USGS EarthExplorer, I'm trying to search for cemeteries within a defined area using a polygon created in Google Earth. If I select cemeteries under features, it clears that selection when I load ...
0
votes
0answers
7 views

Geoserver shape-zip archive response - setting UTF-8 character encoding for .dbf file?

I created a WPS request to Geoserver, that returns a shapefile as ZIP archive which contains several files, including .shp, .dbf and .cst files. Data columns in .dbf file are encoded based on the ...
0
votes
0answers
13 views

How can I get a ModelAndView in geoserver's OWS? [on hold]

I'm Implementing a geoserver's OWS. I want to a specific method of the OWS get a ModelAndView as following: import java.io.IOException; import javax.servlet.ServletException; import ...
-4
votes
0answers
18 views

How to export shapefile as KML file using GeoTools?

I have a shapefile i need to export the shapefile as a *.kml file to fit in Google Maps how can i do with GeoTools. Please help me with at least one simple example or procedure to do that?
0
votes
0answers
10 views

Chained rendering Geoserver

I've been all around the internet now trying to figure out chained rendering in GeoServer. The goal for me is to get a result in the like of these two links: ...
1
vote
1answer
38 views

How to compute equality of polygons in PostGIS independently of their orientation?

I tried some functions in postgis. Scope of work, get the equality of two shapes, independently of their orientation in the space. I detect the shapes from autocad and of course in lifetime of a ...
0
votes
0answers
8 views

Shapefile not displaying in ArcGis Android SDK 10.2.6-2

I am trying to load a shapefile (not displaying at the moment) using the following: Hardware: Android rugged tablet running Android 4.2 SDK: ArcGis 10.2.6-2 Shapefile: ...
-5
votes
0answers
23 views

why there is Difference in area [on hold]

area difference when calculating in utm projection wgs 1984 45 zone and wgs 1984 web Mercator (auxiliary sphere) which one is correct
-1
votes
0answers
18 views

Finding proximity to waters, such as lakes, rivers, streams, the oceans

At Alz.care, we are working to detect whether someone who is living with Alzheimer's is nearing a body of water, because of the very high risk of drowning for persons with that neurocogntive disorder. ...
1
vote
1answer
22 views

Qgis2leaf doesn't show layers with scale-dependent visibility

When I add layers to the QGIS2LEAF dialog box it accepts it and opens up the preview in my web browser, but when I starting looking for the layers, in this case points for campgrounds, I dont see any ...
0
votes
0answers
5 views

CartoCSS: raster custom transparency color value?

In QGIS (and probably other GIS tools) you can style a raster layer such that certain pixel color value(s) will be rendered as transparent. In QGIS 2.6, this can be set in Layer Properties -> ...
0
votes
0answers
18 views

Having a basemap, tiled map and a dynamic map together

I have a basemap and a dynamic map which works perfectly together. But i have to add a tiled map too. But if i add the basemap first tiled map wont show up. I want to remove and add the Tiled layer ...
1
vote
0answers
9 views

Using cubiccurve in OpenLayers 2?

I want to use cubiccurve in openlayers 2.13, And I have added the necessary files, But when drawing the line is drawn instead of the curve. Files are available on the website: ...
-1
votes
0answers
19 views

QGIS 'Clip raster by mask layer': Problem loading output [on hold]

I'm using QGIS 2.8, currently developing a python plugin and at some point I have to execute consecutive processing algorithms. When it comes to loading the layer created by GDAL algorithm 'Clip ...
0
votes
0answers
17 views

QGIS Wien 2.8. Openlayers plugin doesn't work [duplicate]

I have installed the latest version of QGIS wien 2.8. Windows 8.1 downloaded the stand alone version from official QGIS website. I had to uninstall the latest one I had because Openlayers plugin was ...

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