1
vote
0answers
3 views

Calculating new satellite position given pseudorange measurements

I'm looking for a reference/text for an explicit formula to calculate a satellite position given pseudorange measurements from later epoch times. I've seen a lot of matlab code on the internet but I ...
2
votes
0answers
6 views

Computing the elevation angle of a GPS satellite with respect to the given receiver location

can anyone source an explicit formula for calculating the elevation angle for a GPS satellite as seen from a receiver. I can't seem to find one. Even a text reference would be great. I couldn't quite ...
1
vote
1answer
16 views

Looking for a complete list of cities by state, with area code

Our company is working on moving our sales assignments from area codes to ZIP codes, and we need some kind of dataset to help move existing assignments to the new system. Does anyone here know where ...
0
votes
0answers
8 views

ESRI Online Geoenrichment POST

've been working on an app for a presentation and we are using ArcGIS Online to geoenrich Canadian Census Dissemination Areas upon the users click. The only catch here is that some of the polygons are ...
1
vote
0answers
6 views

Splitting multiple noncontiguous polylines into multiple files

I have multiple polyline shapefiles that are non-contiguous, that is to say that each shapefile contains polylines that have breaks in them. I am looking to split each of these polyline segments into ...
0
votes
0answers
6 views

A Tool for Mapping Metropolitan Statistical Areas (MSAs) to Addresses

My and team and I ran a series of zip codes from addresses within our data set against MSA to Zip Code data found on The Census' website here. We found that a relatively high number of the addresses ...
1
vote
1answer
11 views

How to Set Label Expression Using a Long Field Type in Toolbox

What I am hoping to be able to achieve with this Tool within my Toolbox is to allow the user to input a number of layers and to set all of the labels with the same font settings (font style, color, ...
0
votes
0answers
7 views

Do the violations my variables exhibit under OLS conditions apply to the GWR environment?

This question came from this discussion thread: Screening Variables for GWR I am trying to tease out if I can apply the violation testing methodology in OLS to the GWR environment.
1
vote
1answer
9 views

Screening Variables for GWR

I was wondering if there is a list of steps I can take to screen my variables for assumption violations prior to using them in my GWR. I have watched this video tutorial : ...
0
votes
1answer
7 views

Lost Foreign key during conversion of SQLite to PostgreSQL using ogr2ogr

I want to centralise several small sqlite databases into a single, big, postgresql database. I am using ogr2ogr to convert my sqlite / spatialite (v3.7.17 / v4.1.1) databases, each one consisting of ...
0
votes
1answer
18 views

Converting JSON to GeoJSON or CSV?

How do you convert a JSON file to a GeoJSON file or csv. I have a JSON file with lat lon information, but how can I can convert this file to GeoJSON or csv. I have found some online tools to convert ...
1
vote
1answer
11 views

Can't Remove a Menu in Python Add-in

I have a Python add-in with a good amount of buttons and menus. I'm trying to remove a menu using the addin_assistant, but the menu isn't being removed from config.xml. I've tried removing the add-in ...
1
vote
0answers
23 views

Making air pollution model in QGIS [on hold]

Im writting bachelor thesis about air pollution from point source and i want, to put it to GIS. But i dont know really how ... Im working with Gaussian plume model, so I have pollution concetration ...
1
vote
0answers
13 views

How to merge elevation from a raster image onto a shape road network with QGIS? [duplicate]

I have a shape file with Stockholms road network and a raster image with elevation data from the same area. Is there any way to merge the two somehow, either by adding the slope direction as ...
3
votes
0answers
20 views

demers cartogram

How do you make a demers cartogram from a shapefile/topojson/geojson? I have tried scapetoad and indiemapper and i can not duplicate what you find on the links below. ...
0
votes
0answers
3 views

OpenLayers 3. Problem with displaying GeoServer WFS layer

I am trying to add polygon wfs layer using JSONP format, but something is wrong here. Console shows no errors and this layer, and by countries.getSourse().getFeatures() I receive just[]in jsonp ...
2
votes
2answers
27 views

How to merge shapefiles of two countries with QGIS [duplicate]

I want to merge the shapefile of Nigeria and Cameroon admin level 1. I downloaded the files from gadm but I cannot merge the files with QGIS or find a shapefile of Africa having countries at states ...
1
vote
0answers
16 views

All map services display pink tiles

I have implemented mapserver in Ubuntu 14.04 with postgresql 9.3, postgis and imposm using GitHub tutorial. After completing the tutorial all map services display pink tiles not map info. i was not ...
2
votes
1answer
25 views

Using a selection tool will select everything

When I use the Selected Features tool and try to drag a box around a few small items it grabs everything. If i use the edit tool it will correctly select only features that are inside/intersect the ...
1
vote
2answers
15 views

Interpolation with z-values taken from a related table

This is a follow-up question (organizing attribute table: multiple sets of variables per point). I am working with ArcGIS 10.1, advanced license. My aim was to build a points layer, each point being ...
0
votes
0answers
5 views

Failed to log on: The remote server Mapguide returned an error (559) MgUnclassifiedException

I am having trouble to log on in MapGuide server. the layer it shows an error message: Failed to log on because Failed to connect, please check network connection and login information. ...
0
votes
0answers
7 views

export qgis point symbols per feature

I am currently trying to export the drawn symbol in a QGIS map for a webmap. The current approach is to extract the properties: if i.rendererV2().dump()[0:6] == 'SINGLE' and i.geometryType() == 0: ...
0
votes
0answers
11 views

How to calculate fastest bicycle routes in Stockholm with QGIS?

Hello StackExchangers, I would really appreciate if expert users could point out a few directions for me, this is what I wanna do: Access an online map from my iPhone that gives me the possibility ...
0
votes
0answers
16 views

FGDC to ArcGIS Metadata issue

Recently I have been in the process of ugrading my metadata (in FGDC format) into ArcGIS Metadata. Part of the reason to this is because we recently made the switch from ArcGIS 9.3 to 10.1. So far ...
3
votes
3answers
39 views

Iterating feature class output file names using ModelBuilder?

I am trying to iterate a series of feature classes (polygons) in model builder to convert a series of polygons to rasters, however, I am having an issue with the output file names. After inserting ...
2
votes
0answers
28 views

Script to unzip a file geodatabase not readable by Arcmap

Hijacked the ESRI script to unzip. It extracts the .gdb and necessary files, except Arcmap will not recognize as a File GDB. Not sure what I am missing. Any ideas? ...
0
votes
0answers
22 views

Examples of writing a brief or report for a project? [on hold]

I would like to get some information about writing a brief summary or report of a project I did. I want to see some examplesof them but I think there are so many different topics about writing ...
1
vote
1answer
19 views

Difference between ETRS89 / ETRS-TM32 and ETRS89 / UTM zone 32N

In QGIS I can choose among other things between "ETRS89 / ETRS-TM32" and "ETRS89 / UTM zone 32N". In my test project both projections displayed the layers at the very same place. So, where is the ...
4
votes
2answers
30 views

How to achieve “Flat-End” line buffers in QGIS?

I need to buffer a series of lines by 40m, however I only want the buffer to come off the sides and not off either end of the line. I know in ArcGIS there is a "flat-ends" tickbox that achieves ...
6
votes
2answers
100 views

Do I need ArcGIS for server to edit my MS SQL Server database?

Here is what I have: ArcGIS Desktop Advanced (10.2) & MS SQL Server 2008 R2 Here is my problem: I need to be able to connect to the ms sql server and import, export, create, and edit spatial ...
1
vote
1answer
17 views

How to repair datasource for an ArcGIS XY Event Table/Layer

I was given an .mxd file containing a lot of layers with broken data sources. I was able to fix most of them by looking at the old data source in the Source tab of the map property. However, there ...
0
votes
0answers
14 views

What is the 'Invalid content' (?) was found starting with element 'LabelPlacement' [on hold]

line 31: cvc-complex-type.2.4.a: Invalid content was found starting with element 'LabelPlacement'. One of '{"http://www.opengis.net/sld":Symbolizer}' is expected. <?xml version="1.0" ...
3
votes
0answers
17 views

Adding an offset to a Leaflet TileLayer on the fly

I'm currently using Leaflet to display 18th century maps of Belgium as a base layer with a vector overlay of the present day road system. Although the maps are absolutely gorgeous ...
2
votes
0answers
12 views

ArcGIS dissolve analysis output issues in geoserver wfs/ PostGIS

I have an ArcGIS dissolve analysis output (parcel data) that needs to be loaded on PostGIS and published as a wfs from geoserver. The issue is that the ArcGIS dissolve output shapefile, although can ...
2
votes
2answers
62 views

Remove duplicated items in Arc attribute table?

I have imported a set of points into ARCmap using a kml file created in google earth. During this process, a number of the points were duplicated (see below). Is there a way to get rid of the ...
0
votes
0answers
11 views

WFS works only in IE browser. Any work around is available for this issue? [duplicate]

WFS works only in IE browser for me. Its not working in any other browser. I dont have much expertise in checking browser compatibility, could someone suggest me how to resolve this issue or Any work ...
0
votes
1answer
10 views

Multiple Geoserver GetFeatureInfo templates for same layer?

I have layer 'states' on Geoserver for which I need multiple GetFeatureInfo templates. I would like to use that layer a couple of times on different maps, but I want different data in Leaflet popup. ...
2
votes
0answers
24 views

Trouble calculating areas in QGIS using field calculator

I am testing various projections to calculate areas using ICES statistical shapefiles and the QGIS field calculator. I am using ICES areas downloadable from the following link: ...
3
votes
1answer
55 views

Copying/Pasting Information from Geoprocessing > Results > Messages

This seems so elementary, yet I am having difficulty locating the directions for copying and pasting the information in my analysis output to a word document for future reference. Specifically, I ...
1
vote
0answers
10 views

Does qgis support postgresql range types?

I added a postgis layer with date range column in Qgis but that field is not listed in Qgis.
1
vote
1answer
27 views

How to match colours in already mosaiced single image?

I have an already mosaiced image for a large area. I need to match colours in this single image. I do not have each image separately. I just have this large single image downloaded from GLS. How can I ...
1
vote
1answer
29 views

Difficulty installing Geoserver in Windows 7

I have been installing Geoserver locally many times for the past year on Windows XP machines. Now I am trying to install it on our new Windows 7 Machines. However the installation (of the stable ...
1
vote
0answers
17 views

Perform non-spatial queries on DB tables of a RDBMS connected with arcgis

Is it possible to use the arcgis infrastructure so as to perform queries on DB tables that do not contain spatial information? For example, considering I have a RDBMS where I have a table namely ...
3
votes
1answer
23 views

How to perform raster Overlay Analysis using QGIS?

I tried to do a raster Weighted Overlay Suitability Analysis to find the best location for home lands using QGIS. Used layers are: School location (point) Crime locations (point) Road (line) Water ...
2
votes
1answer
46 views

ArcMap - Display direction of points

I imported a few geotagged images and created a points shape showing their locations (or more accurately, the location of the camera) with the "Geotagged Photos to Points" tools. The attribute table ...
3
votes
0answers
12 views

How to use WEKA J48 classifier for satellite image classifications

Basically I am trying to build a tool from WEKA software using the J48 classifier for automatic satellite image classification to build landuse land cover maps. Could somebody please help, as I am not ...
1
vote
0answers
20 views

How to make serial maps from template?

I have developed a stand-alone python script for making serial maps using PyQGIS library. The maps should follow a specific format that is indicated by a template .qpt file. This template file is ...
2
votes
0answers
32 views

Comparing mapping APIs

I am planning to write a thesis about mapping APIs and compare three of them (Google Maps API, Leaflet and OpenLayers) or four, if you consider OL2 and OL3 as different APIs. I am planning to make 3 ...
1
vote
0answers
13 views

organizing attribute table: multiple sets of variables per point

I would like to have hints on the best way to organize my dataset (I am working with ArcGIS 10.1, advanced license). I would like to build a points layer, each point being a weather station in the ...
2
votes
0answers
22 views

ArcObjects Memory Leak with IWorkspaceEdit?

I have created a function for copying all of the features from one shapefile to another using IFeatureBuffer, now every time the function when it is called, it takes some memory, but doesn't release ...

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