1
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0answers
15 views

What is Considered in Geoid?

I found contradictory sources for what's considered in geoid and can't decide on either side because the sources seem about equally reliable. In particular, the question I'm asking is whether ...
1
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0answers
13 views

Error when running v.krige

I've been trying to get v.krige to run in the Grass7 command line, however, when I do so I get the following error: Error : .onAttach failed in attachNamespace() for 'rgrass7', details: call: if (...
1
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0answers
19 views

Successfully importing URLs from Access to ArcMap

I have an access database (2013 .accdb) with a column containing URLs. This field uses the hyperlink data type in access. I made an OLE connection to the database in ArcMap 10.3.1 but the URLs come in ...
1
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0answers
23 views

Mapinfo 15.2.2 not displaying all polygons from a MSSQL Spatial DB table

I am trying to open a fairly large table stored on our MSSQL Spatial DB - the table has around 22,000 polygons. The table opens perfectly on Mapinfo 12.5 (both 64bit and non-64bit), but for some ...
1
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0answers
8 views

Tiger WOIS Could not open workflow

Recently I have been trying to use the TIGER WOIS package which looks really useful. I'm trying to use the Flood mapping tool with Sentinel-I data, but I encountered a problem right away. In the ...
1
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0answers
9 views

404 config.json error for server deployment of ArcGIS Web AppBuilder Application?

I am receving a 404 error that my config.json cannot be found, I have added the JSON mime type to my IIS configuration at the site and server levels and have restarted IIS. This error appears as so ...
1
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0answers
22 views

Topological Editing of Two different layers in QGIS

Is there a way to apply topological editing to move vertices between two coincident features that are not the same feature? For example, if I have a crop land polygon coincident with a soil polygon ...
1
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0answers
25 views

Unknown item type 'Layer' arcGIS API for JavaScript

I'm using the ArcGIS API for JavaScript to create an interactive map in a web page. When I try to add a layer with an specific id, doesn't recognize the layer and I receive this error: The code to ...
1
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0answers
16 views

GPS data can't be read when the device is moved

I am getting data from avl system as you can see with this format : *HQ,4106016320,V1,090458,A,5257.4318,N,15840.4221,E,000.00,000,101115,FFFFFBFF,250,01,0,0,5# As you can see the data that I get ...
1
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0answers
18 views

Retrieving user information in ArcGIS Server token protected geoprocessing service using ArcPy?

I have a geoprocessing service on ArcGIS server 10.3 that is protected with tokens. This GP Service is a python script. Is it possible to retrieve the user information, such username and password, ...
1
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0answers
18 views

Square polygons that are covered by trees

I would like to know if there is a way to square polygons? I would like to calculate the total square meters of houses. I have extracted the buildings as well as tree coverage but I am unable to get ...
1
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0answers
8 views

Single Feature in a FeatureCollection?

Is it ok to respond with a single item inside a FeatureCollection or should I respond with a Feature object instead? I'm using FeatureCollection in a REST-like server, as index view (/things.geojson) ...
1
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0answers
42 views

Can I create tiles in Qgis and upload them to Arcgis Online

I have a large shapefile that I want to convert to tiles. Now I need to load those tiles up to Arcgis Online, but I only have Qgis 2.8 desktop--since I work on Linux. I know that Arcgis desktop can ...
1
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0answers
14 views

Correct CRS for viewing LandScan data in QGIS?

I think my problem is simple, but I'm still stumped. I'm using QGIS 2.14.3 (having recently switched from Arc). I have downloaded LandScan data for a small area (northern Virginia) and am attempting ...
1
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0answers
25 views

Problem with pushButton handling - pyqgis

I have made a pushButton - new window relation. Now, when I'm trying to 'link' methods with pushButtons in new window they don't react. Here is what I wrote in metod, which opens new window in ...
1
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0answers
10 views

How do I exhibit “Attribute Table” Field values when mouse hovers on top of a feature in Shape File in QGIS2.8?

I am drawing a line to represent a Fibre Cable. I would like to see Attribute Table of this line to pop up the field values assigned to this line representing a Fibre Cable (Aerial or Underground)
1
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0answers
31 views

What is the easiest way to write C extensions to Python for use in QGIS?

I would like to write some functions in C to call from the Python console in QGIS. What is the easiest way to do this? Does there exist anything comparable to Matlab's MEX?
1
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0answers
7 views

Create S-57 chart on ARCGIS containing only shapefiles

I have a requirement where a shapefile/files needs to be converted to S-57 ENC chart for use on ECDIS system. I am not working in GIS domain so dont necessary understand all technical bits and bobs ...
1
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0answers
33 views

How to move points in a polygons when editing/adjusting the polygon

I am using QGIS 2.14.3 and I am editing a few polygons in a layer, however in another layer I have some points (one or two points overlapping each polygon). Is there a way to move the points ...
1
vote
0answers
19 views

ESRI ARCGIS Flex - Javascript migration

We have a current architecture of FlexViewer and part ArcGIS Flex API based custom tool that's sitting on a IIS server to draw zones. ESRI is migrating to ESRI Javascript API and we have two options ...
1
vote
0answers
17 views

Trying to get all Landscan Urban areas in the USA (from Natural World shp files)

I'm desperately trying to get a json file of all the Landscan urban areas in the USA. The ne_10m_urban_areas_landscan.shp has a list containing polygons of all urban areas in the world with a NAME ...
1
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0answers
13 views

How to change the version requested from QGIS Plugin Repository?

I built QGIS from GitHub master branch (at about version 2.14.3) and am running from the build directory but it seems to be hardcoded to connect the the plugin repository sending a version of 1.19: ...
1
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0answers
35 views

Split polygon using points and their directions with python

I`m new for the python but want to split Voronoi polygons using points and their directions as input. Voronoi polygons were created by in-built tool: Vector>Geometry Tools>Voronoi Polygons from layer ...
1
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0answers
24 views

Layer preview using OpenLayers

I have been using geoserver from quite sometime now and publishing layers and consuming services. Recently I have started facing the issue mentioned below when I am trying to preview the layer in ...
1
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0answers
33 views

Delete temporary files from geoprocessing in ArcGIS 10 and above

I am seeing my computers C: drive fill up quite quickly. I assume its from many geoprocessing things I have done. Is there a way to find the files Arcmap creates as temporary? The folder I am in is, ...
1
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0answers
21 views

How to query breadwinning mothers in IPUMS USA microdata?

Overall goal: Map rates of breadwinning mothers throughout South Carolina. I haven't been able to find exactly what I need in American Factfinder. I am looking for something that comes close to what ...
1
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0answers
23 views

QGIS Python variable not updating properly after layer data is saved

This problem is a continuation of this one I am running a little script on OpenProject event that sets the feature id automatically after a new feature is digitized. Code: def openProject(): from ...
1
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0answers
27 views

QGIS snapping to the points of a line or polygon you are just creating

I have the snapping option enabled. I can snap to any point, intersection of created lines. But I can't snap to any vertex of the linestring I am just digitizing. Is there any option/plugin to ...
1
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0answers
22 views

Setting default encoding for python in QGIS in Windows

I have a problem that I have been working on for too long now... I am creating a python plugin for QGIS and I have problems with encoding. Characters with accents are displayed funky, but it is fine ...
1
vote
0answers
18 views

How to style GeoJSON features with attributes from MySQL in Openlayers 3

I got some GeoJSON-features from a file. The attributes of the features are stored in a database (MySQL), because I need them there for some interactions with users. On the other hand some of these ...
1
vote
0answers
15 views

Resolution changes when exporting raster from GRASS to Arcmap

I have a raster file of rainfall (floating) in GRASS that I want to export and open in arcmap. If I look for the raster file in GRASS, it has Rows: 140 ...
1
vote
0answers
32 views

Knowing coordinates of four corners

I have exported map as image from ArcGis. How to know the coordinates(latitude and longitude) of four corners?
1
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0answers
24 views

Using Postgresql/PostGIS/Pgrouting in PYQGIS Processing Scripts

I have started exploring PYQGIS scripts and learning writing PYQGIS user scripts in python. I want to use pgsql/postgis/postgresql in the script. Please suggest Also Can anyone suggest That the ...
1
vote
0answers
17 views

Process Landsat8 data in AWS S3 from EC2 instance

I'm wondering what is the best way of processing huge amounts of Landsat8 images stored in the AWS S3 buckets from an Ec2 instance located in the same availability zone. Should I download the scenes ...
1
vote
0answers
29 views

QGIS options menu causes freeze on Ubuntu 16.04, solutions?

First time asking, I've checked the internet and no luck. I am unable to edit the program options in QGIS 2.14.3 running on Ubuntu 16.04 (settings -> options). I've uninstalled all QGIS packages (...
1
vote
0answers
17 views

Geoserver SLD creation using a local image

Using this documentation I have made the below SLD file, attempting to use an svg that I obtained from here I have moved the svg into /var/lib/tomcat7/webapps/geoserver/data/styles but the image will ...
1
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0answers
23 views

DWG to image tiles using FME

I need to make image tiles out of a DWG. I need them so I can use them as overlay on google maps. hopefully I can get them in this folder configuration: zoom_level/x_or_column/y_or_row.png or similar ...
1
vote
0answers
34 views

Interpolating Temperature over Elevation on ArcMap

I need to overlay or create a new image file in ArcGIS that overlays temperature point data I have for California onto a 30m resolution DEM for that state. I have explored Co-Kriging, however I have ...
1
vote
0answers
14 views

How do you test QgsDataSourceURI.setConnection is valid in a QGIS plugin?

I am currently trying to write my first Python plugin for QGIS and I'm using the the uri = QgsDataSourceURI() uri.setConnection(host,port,db,username,password) syntax to create a connection to an ...
1
vote
0answers
10 views

How do I create an inverse-distance weighted attribute mean map?

An attribute-weighted heatmap applies inverse distance weighting to each point in a set proximity and adds them all up. I am searching for a tool in QGIS or another software that allows me to do the ...
1
vote
0answers
24 views

How to interpolate a set of waypoints?

I am trying to interpolate a Vector Layer in order to have as many waypoints as possible. I am doing it with the Interpolation Plugin, but I don't know what to do with the Raster Layer generated (I ...
1
vote
0answers
28 views

Multiband virtual raster with gdalbuildvrt: Control how bands are sorted

I am making a multiband virtual raster using gdalbuildvrt. Everything works fine, but a little detail remains annoying: I cannot control how the bands are sorted. I specified the input raster using ...
1
vote
0answers
35 views

Script to join .csv file to shapefile and export changing column names

I have a shapefile with an attribute table like this: FID Shape ID 0 Polgyon 3 1 Polgyon 3 2 Polygon 3 3 Polygon 3 and numerous csv files which look something ...
1
vote
0answers
43 views

Reserved words when performing a join

This is my first assignment for a GIS class, so bear with me. I have voting data for the state of California, and one thing I need to do is join a precinct voting data layer with a counties layer. ...
1
vote
0answers
25 views

Get coordinates from drawn items with Mapbox-gl-draw

I'm using mapbox-gl-draw in my application and I need to get and save the coordinates of the drawn items on the map. I've checked and I found turf getCoor method, but I don't know how to access the ...
1
vote
0answers
14 views

Delineate Built-Up Areas not working

I have been experimenting with the Delineate Built-Up Areas tool in ArcToolbox and have been unable to get it to properly work. The tool works properly without giving error messages, however I get an ...
1
vote
0answers
12 views

GRASS v.net.iso does not include all lines

I want to define catchment area for bus stops in small city. As a result of v.net.iso in QGIS with GRASS I don't get all highways in that city. Here are my steps: importing above layers into GRASS ...
1
vote
0answers
21 views

GDAL VRT - gap artifact in output

I have created a VRT using gdalbuildvrt from three single-band GeoTiffs (1-m resolution) as follows: gdalbuildvrt chm_2157.vrt P_712806_CHM.tif P_712808_CHM.tif P_712810_CHM.tif -a_srs 'epsg:2157' -...
1
vote
0answers
24 views

Import Corine Land Cover in PostGis

I've imported a shapefile from the Corine Land Cover dataset in PostGis. I'm working on a software which will allow for diverse simulations on the territory. This software integrates a function to ...
1
vote
0answers
30 views

OpenLayers 3 Reload Layer(s)

I am working on a project using OL3 in which I need to be able to manually (by button press) or automatically (time based) reload layers IF they have been updated since the last load using HTTP ...

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