1
vote
0answers
5 views

What solutions to use QGIS as insert tool for a Postgres relationnal database?

I have a Postgres/PostGIS relational database and I would like to use QGIS as an interface for inserting data. The thing is that my database is quite complex and I need my tool to handle the following ...
0
votes
0answers
5 views

QGIS measure growth in special directions

I want to measure the growth of different areas in special directions. The same as in this article of M.S.Moeller on page 5 (Figure 5 and 6). But I don't know how to build such a Wind Rose in Qgis. Do ...
0
votes
0answers
5 views

Compiling mod_tile problem

I wanted to build my own tile server as written on switch2osm site. In short: render is not happening (more details you can find here). Seems that mod_tile is not installed correctly. First it gave ...
1
vote
1answer
5 views

Searching for detailed shapefiles in Vietnam: Tam Ky and Quy Nhon cities

I am new to the site, and also fairly new to GIS, in general. I have spent the last year of graduate school familiarizing myself with the program, but am by no means a GIS expert. Please bear with me. ...
0
votes
0answers
7 views

How to randomly apply a feature from the attributes table (an area) to a bigger area in ArcGIS 10?

I am rather a beginner at ArcGIS and I have absolutely no idea how to do this. I have to design an agricultural area, which I have the whole of it, but I am not sure which farm plant which crop and so ...
0
votes
0answers
5 views

Leaflet: hover over one polygon and another gets styled

I'm currently using Leaflet sync to have two maps side by side. On each side, there are maps with different GeoJson data sets. I am hoping to hover on eg. a lake on one side, then have a similar lake ...
-1
votes
0answers
9 views

How to export coordinate X,Y system from dwg [on hold]

How to export coordinate system X,Y from dwg AutoCAD file using C# .NET code.
0
votes
0answers
11 views

Regression Analysis using ArcMap 10.1

I am trying to preform regression analysis using road accident data using ArcMap 10.1. The accident data is a point file for all accidents with information on the date the accident happened, time, ...
0
votes
1answer
9 views

Automatically align the border of one shapefile to overlap the border of another

Can I automatically align the border of one shapefile to overlap the border of another, without editing each vertice individually?
1
vote
0answers
5 views

how to obtain a shapefile of 2D FOV from EXIF?

I allow myself to contact you about a topic for which I saw you writte an answer on this discussion : How can i use field of view in ArcGIS? So maybe you will be able to help me. I have a serie of ...
0
votes
0answers
10 views

What Raster Calculator expression to use? Need to Set Nodata to the overlapping pixels of two rasters (w data example)

Colleagues, hello! For quite a while I`m struggling to make up a map algebra expression in the ArcGIS Raster Calc… On the output I need a single raster with values 0, 30 and nodata (-128). The ...
1
vote
0answers
6 views

Django Postgis Distance from point

I have a point where the objcet is and another point for mylocation. I want to calculate the distance >> object_location <Point object at 0x7f9ceaac7be0> >> mylocation <Point ...
-1
votes
0answers
10 views

PomPom Weed (Campuloclinium macrocephalum) detection using Landsat Images through ArcGIS Desktop?

what are the possibility of detecting PomPom Weed (Campuloclinium macrocephalum) using Landsat Images through ArcGIS 10?
1
vote
1answer
9 views

automated selection by attributes and location within another Layer

I have two Polygon Layers. Layer A are Districts of a City and Layer B are Blocks of a City. Currently i'm working with QGIS 2.6.1 and i don't have access to any other GIS. What i'm trying to do is: ...
0
votes
0answers
7 views

Cartodb not loading layers on IE8-10 on longer requests

Check the demo here: http://unirazz.com/cartodb/cartodb1.html After map is loaded, click on GO button to load cartodb layers. It works in latest browsers excepts IE8-10. If I reduce the length of ...
0
votes
0answers
7 views

How to digitize the network to get shortest path between two points using arc map 10.1? [on hold]

I need to get shortest path between two point in arc map 10.1.i have did using network analyst tool but the path which i am getting is not short path,i think i have did something wrong in digitizing ...
0
votes
0answers
9 views

Collecting data and storing? [on hold]

I have a task which is about postal code data collection for world with their regional languages. I need to startup with this. I have two problems. Regional language are stored in one table (Eg. ...
0
votes
0answers
8 views

Finding specific area with coordinates out of a lot of LAS data?

I would like to extract spatial data out of a great amount of LAS data. Unfortunately, there is no index or sth that could help me find which file is for what area. Also, it is not possible to ...
0
votes
0answers
9 views

Get clipped polygon area using ArcObject Issue (“Exception from HRESULT: 0x80040215”)

I try to get clipped polyline area using arcobject. My code is here var topologicalOperator = routePolyline as ITopologicalOperator; var routeBufferPolygon = ...
0
votes
0answers
15 views

Merge layers (SAGA) ERROR

with QGIS 2.10 it is not possible to merge vector layers with the "Processing-Saga" tool (merge layers). The following error log comes up: Algorithmus Merge layers startet... shapes_tools "Merge ...
0
votes
0answers
14 views

set feature extent of feature class inside feature dataset

I have created a feature dataset and created feature classes inside that. When i see the properties of feature classes, the feature extent is empty. Now i want to define feature extent using arcpy ...
1
vote
0answers
8 views

Help with GeoServer on https in IIS7

I'm on IIS 7, running GeoServer I cannot get GeoServer to work on https and looking for any insight on how to get this to work: Our website and GeoServer are on same domain https://mymapapp.com ...
0
votes
0answers
6 views

Efficiently calculate distance between raster patch edges

I have a binary raster which I've classified into patches using raster::clump. I now want to efficiently calculate the edge-to-edge, i.e. minimum, pairwise distance between patches. I am currently ...
0
votes
0answers
6 views

Problem with polygon to multipath creation

Hi i tried convert polygon to multipath in Arcobjects but after converted multipath shape type shown multipath M what is the problem could you please tell me what is the solution for this.
2
votes
1answer
19 views

Calculating distances across land only

I am trying to do point to point distances in QGIS but I have points to point distances that are being calculated across oceans. Given people don't generally fly around cities does anyone know a way ...
0
votes
0answers
12 views

GeoExplorer Querying Tool

Are there any ways to add more query options in GeoExplorer? The query options available are limited to: "=", "<>", "<", ">", "<=", ">=", "like" and "between".
0
votes
0answers
14 views

Calculating grid to ground correction angle manually [on hold]

I've been running into problems at work with calculating a correction angle manually. The coworker that has been training me in ArcInfo 8 showed me a formula that I have yet to get to get to work - ...
1
vote
0answers
9 views

Unable to load DLL 'ArcGISVersion.dll': The specified module could not be found. (Exception from HRESULT: 0x8007007E)

I recently migrated my desktop from ArcGIS 10.1 to 10.3.1 and visual studio from 2010 to 2013. I am now getting a problem trying to run an Engine application. It builds fine but when I try to debug it ...
-1
votes
0answers
14 views

Adding a user to a database - multipart question [on hold]

I added a user to my database via the 'Add User tool' in ArcCatalog, however when i do that user now has privileges to create feature data sets / feature classes in the database. i would prefer that ...
0
votes
0answers
13 views

How do I configure QGIS Web Client on Ubuntu/Debian for remote access

I am having issues with accessing the QGIS Web Client on a remote web browser despite getting a working GetCapabilities request. I have been able to install QGIS Server and QGIS Web Client on the ...
0
votes
2answers
20 views

SyntaxError with cursor and Feature Selection in ArcPy?

I tried to select each feature in the layer "temp" and use the selected feature to select features in the other layer "Railway" based on location and then do some calculations with the "Railway" layer ...
1
vote
0answers
10 views

unsupervised classification in qgis (Orfeo toolbox)

I want to run an unsupervised classification of two landsat images in qgis. Therefor I want to compute a kMeans and a SOM (self organizing maps classification). Unfortunately it doesnt work. I tried ...
2
votes
1answer
18 views

How to calculate the 3D length of line segment in QGIS?

I've been looking through all of the GRASS commands in the QGIS 2.10 processing toolbox and it seems like one of these must be able to do this but I haven't found one yet. There is 'v.sample' which ...
0
votes
0answers
11 views

Using Join with a Raster File

I would like to add a new field to a raster file. Then, I would like to add the new field content. Can I do this with a join of attributes? I know that a raster file can be reclassed. But there ...
0
votes
1answer
25 views

Building Large Network Datasets from OpenStreetMap in ArcGIS?

I'm trying to build a large network dataset from OSM data in ArcGIS. Doing it all at once is taking a long time and seems like there is a big opportunity for it to fail at some point which would ...
0
votes
1answer
18 views

Adding Virgin Islands and Puerto Rico to CartoDB?

I am new to Cartodb. I have started with the ne_50m_admin_1_states data. How can I add Virgin Islands and Puerto Rico? Is there geometry I can get? Is there an easy way to add them?
1
vote
0answers
8 views

In Geotools, why does reprojecting the origin of a GridGeometry2D results in off-the-grid coordinates?

I have a simple GridGeometry2D in Geotools 13.1 that is created like this: GridEnvelope grid = new GridEnvelope2D(0, 0, 100, 100); Envelope2D envelope = new Envelope2D(CRS.decode("EPSG:3857"), 10.0, ...
3
votes
0answers
13 views

GeoServer and PostgreSQL JSON column

I have a database table with a dynamic schema implemented via a JSON column named "properties". Currently GeoServer doesn't recognize my JSON column. Is there some way to make Geoserver recognize ...
0
votes
0answers
6 views

GeoExplorer unable to load local GeoServer layers

We run OpenGeo Suite 4.5, and use GeoExplorer to view layers from our local GeoServer instance. We have been able to load these layers fine in past, but now no layers are being loaded. We resolved ...
1
vote
0answers
18 views

How do you merge overlapping .asc files in QGIS with topography and bathymetry?

Firstly, apologies for any incorrect terminology - this is my first time trying to manipulate GIS data. I have two files. The first is higher resolution (SRTM) topography data for a region of islands ...
1
vote
0answers
17 views

Gravity/Huff model tools in QGIS without rasterlang plugin?

As the person of this question: Gravity/Huff model tools I am looking for a tool to simulate a gravity model using a point-based layer. As in the case there, my points have a z-value and the higher ...
1
vote
1answer
19 views

Checking if a POI is on the road

I have a list of POIs from around the world and their latlongs. I also have the database from all roads in the world. What I want to do is find the popular roads from all of these. My idea was to ...
1
vote
0answers
9 views

Recommended GIS/GLONASS chip?

As a cyclist, I ust satnav extensively, whether for riding around the city or travelling. My Galaxy Nexus smartphone isn't very good at GPS, while my GPS+GLONASS-equiped Nexus 7 tablet (second model, ...
0
votes
0answers
22 views

Create Random point generator tools [on hold]

I am looking for a tool that has similar to Create Random point generator that provide more tools ? I am aware that ArcGIS 10.2.2 has one on their arctoolbox, but I wanted to know if there are more ...
1
vote
0answers
15 views

Need to edit info to new column for label and concatenate information which is alphanumeric

I need to end up with the following: Jones, H.L. A-345 The data is entered into Survey Name (as string). Survey Abstract #is entered as "345" I need to add "A-" to the number, and then concatenate ...
0
votes
0answers
11 views

Clear usb gps logger with nmea or sirf

I am trying to clear a Canmore gps logger with hex commands but I dont understand how to do this, I am using java but I am also using other programs like RealityTerminal, but I dont understand how the ...
0
votes
0answers
8 views

NLCD data-dividing it into counties so they can be compared

I have a state wide NLCD raster data set. I would like it to be separated into counties, so I can use something like Zonal stats for each county to make calculations and compare counties. This would ...
0
votes
1answer
33 views

Adding a group layer to another group layer in an Mxd using python

I would like to take an empty group layer and add it an existing group layer within an MXD. The empty group layer does not currently exist , i am going to use an empty group layer i have saved within ...
0
votes
1answer
18 views

TypeError: unsupported operand type(s) for *: 'float' and 'geoprocessing Layer object'

I am getting a rather unclear type error, and after searching online I cannot find any solutions that help. I am trying to create my own python toolbox for wifi router signal loss, and I am trying to ...
0
votes
1answer
10 views

CMV Viewer Floating Widgets

I asked this question on Gitter but I think it got lost pretty quickly. Does anyone have an example CMV site without the side bar or any indication whether it would be worth pursuing CMV if what I ...

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