1
vote
2answers
36 views

preparing GPS coordinates for processing in gis

I'm currently working on a masters in archaeology, using QGIS to examine some palaeolithic sites. I created a database with the site coordinates, which I collected from looking at bibliographies of ...
1
vote
1answer
406 views

“Failed to get property: gid” error in geoserver sql view

I have a postgis data with 777 features. In geoserver, i created a sql view with another table. In the wms request i can see all features, in qgis also i can see all features. but in wfs output as csv ...
3
votes
1answer
187 views

Export Stretch Function values - Arcpy

I'm looking for a way to export Stretch Function values from images that’s stored in a Mosaic dataset. Not values from the whole set, but specific stretch functions per image. The set is stored in ...
1
vote
1answer
788 views

How to zoom to layer using ArcGIS Javascript API

I tried to get the function "Zoom to Layer" done using the following code snippet. But it does not change anything. The layer is a feature service layer, and I can see the full extent object of the ...
1
vote
1answer
184 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
2answers
123 views

Extracting a large layer from NetCDF using R

i am trying to extract specific data from an .nc file my nc file has the following variables hur-relative humidity lat-latitudes lon-longitudes time-time plev-pressure levels so i ...
1
vote
1answer
293 views

Geoserver 2.5.2 upgrade - now GeoJSON and GML WFS not working

I've recently migrated Geoserver from a Geoserver 2.1 to a clean install of Geoserver 2.5 and copied across my data files. However, I'm not finding that clicking Layer Preview, going to the All ...
2
votes
1answer
38 views

Why the table fields imported from a .csv file have a length of zero?

I've imported a .csv file (with relative .csvt) in QGIS 2.8.4 adding a delimited text layer... the table was correctly been imported but the table fields have a length of zero... the fields types ...
1
vote
1answer
41 views

Avoiding multiple elif statements in Python parser for ArcGIS label expressions?

My code for labels look like this: def FindLabel ( [NAME_GEO] ): if [NAME_GEO]=="Tbilisi" : return "<BOL><FNT size ='14'>" + [NAME_GEO] + "</FNT></BOL>" elif [...
0
votes
3answers
196 views

find border coordinates of brazilian states

I am looking for coordinates (longitude and latitude) of each state of Brazil. Where can I find that? I have found a file for the US states here: http://econym.org.uk/gmap/states.xml, I am now ...
0
votes
0answers
3 views

Error while using methods in mapbasic

I am using a .dll file methods in mapbasic, but it shows error- declare method openmultiplefilesdlg Class "mbextensions",lib "mbextensiondlgs.dll"(declaration variable) as string 1.found [method] ...
1
vote
1answer
30 views

Appending Feature Class from Geodatbase to another using ArcPy?

I'm trying to write a python script to load feature class from an existing geodatabase to a new one, here is my script: import arcpy from arcpy import env import os import traceback #Set up ...
2
votes
1answer
214 views

How to update Trackball controls at three js

I have a project at three.js created from qgis to threejs export where i need to update the trackball controls on window resize.. I need to do that updating the whole controls calling the function ...
2
votes
3answers
65 views
+50

GDAL error in R path.expand(path): invalid 'path' argument

Using windows 10. I would like to stick to using R since that's where a lot of my pre-processing and analysis will take place for a bigger project. I have downloaded a number of MODIS files for the ...
4
votes
1answer
187 views

Both-sided transparency in ArcScene for extruded features

I'd like to extrude my polylines and make them transparent, but from both sides. As you can see below, the transparency works only on one side. I think it's something with the side-orientation. I can ...
3
votes
1answer
36 views

Select Features within a distance and direction

Is there a way to select features in a layer by location based on their proximity to another feature and the direction? E.G., select all features within 10 meters north of current selection? I am ...
0
votes
1answer
254 views

How to download the MODIS data from R using MODISTools library

I want to download MODIS product MOD13Q1 to use the Scientific Data Sets (SDS) layers of "250m_16_days_EVI", "250m_16_days_pixel_reliability". MODISTools library in R software provides the capability ...
0
votes
0answers
29 views

Defining and exporting a path from discrete points in QGIS

I'm working with elevation data (NED, SRTM, etc.) in QGIS and I'm wondering how I might be able to pick a set of points from my map and export the coordinates to something like CSV? For example, I'd ...
3
votes
0answers
67 views

Importing representations from Layer File?

I'm trying to incorporate representations as part of my data model. I have set up representation rule for my feature class, which is part of a feature dataset. The way I have the data categorized is ...
6
votes
2answers
1k views

How can we generate GeoJSON from SQL data with latlong

Is there any way we can create GeoJSON from SQL server table with Latitude & Longitude Data?
2
votes
1answer
32 views

Getting polygons out of multi-polygon GeoJSON files?

I am a farmer and very new to GIS. I am trying to load shapefiles or KML files to an online site/service called FarmLogs.com. Once my "fields" are uploaded the site can tell me the amount of ...
0
votes
1answer
56 views

Converting latitude and longitude to point in geodjango?

I am doing the geodjango tutorial and I went on google and chose a random longitude and latitude in Kansas, I am using srid=4326 for my polygons So I got this random lat and long on google maps in ...
2
votes
0answers
335 views

Deploy Web AppBuilder for external access

I am developing an app using Web AppBuilder within ArcGIS Online. The data are hosted in in-house SQL Server, not in ArcGIS Online. I have tested deploying in IIS, it works well, no issues. ...
1
vote
1answer
111 views

ExecuteError: ERROR 000358 - Using a variable within arcpy.Select_analysis() [duplicate]

I have looked at Including variable in where clause of arcpy.Select_analysis()? and while it is very similar to the question I'm asking I ran into the same issue after implementing its syntax. I feel ...
1
vote
3answers
24 views

arcpy field mapping for a spatial join: keep only specific columns

I want to perform a spatial join to find the join point (a node in the code below) that is closest to a target point (a consumer in the code below). In the result, I only need certain attributes from ...
1
vote
1answer
43 views

Labeling every feature using QGIS?

I'm working on a wall map that needs to include labels for EVERY street and address range. I recognize that I will have to do a lot of editing to make it work, but I can't even get QGIS to put the ...
2
votes
0answers
26 views

Annotating images on QGIS or using widgets?

I've georeferenced an old map on qgis and layered it on top of OSM, I want to do a class project and for it I would like to pinpoint certain areas on the map of which I have old photographs. I would ...
0
votes
0answers
10 views

Provider feature filter causes QGIS rendering to stop

I'm running QGIS 2.14.0 Essen on OSX 10.11.5. I would like to create a simple thematic map showing a subset of points over a basemap with state and county boundaries. I used an IN query in the '...
0
votes
1answer
50 views

Filtering parameters in ArcPy Python script tool avoid repeating selecting same value in sequence parameters?

I am trying to make a tool in which there are many sequence parameters (based on the same field of a feature class), and each of them is multi value to make a user choose from a check a list one or ...
3
votes
2answers
4k views

How to use wget inside Msys - OSGEW4W?

I open MSYS from the OSGEO4W and type wget and I get 'command not found'. I'm using Windows 7. Does anyone know how to solve this? Thank you!
0
votes
1answer
215 views

Mapbox: Navbar Dropdown Button Checkbox

I am creating a map application in the Bootstrap framework. I have a drop-down with 3 buttons to toggle layers on and off. I am using a glyphicon as the checkbox with text to the side. If you click ...
3
votes
1answer
54 views

Rotate geojson feature with Leaflet

I have a GeoJson feature that is rendered with leaflet and proj4(ESPG:31467). Now I want to rotate that feature so that it NW corner points to NE, e.g. 90 deg rotation. Is there a way to do this? Or ...
1
vote
0answers
16 views

ALOS 30 m DEM (AWD3D30) — subsampled from smaller cell size; how to 'reconstruct'?

The new global 30m cell size DEM recently made available by JAXA is subsampled from a 5m DEM. They subsample the 5m DEM using the median and the mean; both products (30m DEM downsampled using median;...
1
vote
0answers
12 views

Importing submodule with python for QGIS?

So I am probably missing something really obvious here, but for some reason, I can't import submodules in my python plugin. This is the general structure of my plugin: ├── __init__.py ├── metadata....
3
votes
1answer
32 views

Is there a way to set label weighting for the legend?

I am using data driven pages to produce a series of maps. For each map extent, surrounding areas are labelled. My legend is located in the corner of the data frame (realizing now that that wasn't a ...
-1
votes
1answer
23 views

Finding common two vertices for two adjacent polygons and drawing line feature connecting them in ArcGIS for Desktop?

I need to find the common two vertices between two adjacent polygon and draw a line feature connecting these two common vertices: I have tried the following code but it is not working: polygon1 = ...
3
votes
1answer
1k views

OpenLayers 3 - Modify Feature - Delete vertex on keypress

I'm trying to create functionality in OpenLayers 3 that allows me to delete a vertex from a feature that is currently selected using the modify interaction. I've managed to see that there is a '...
2
votes
1answer
27 views

Locking panels in QGIS

I am new to QGIS. I have set up several desktops with QGIS to be used by mostly GIS novices in our agency. One of the problems I have encountered is that they accidentally close off one or another of ...
0
votes
0answers
14 views

Maximum likelihood classification- changing class colour with every layer

I created a signature file, where I defined 4 different classes, which I named and coloured specifically. When I try to use the maximum likelihood classification tool for other layers, the classes ...
0
votes
0answers
9 views

Calculating station point data from gridded precipitation data using ArcGIS for Desktop? [on hold]

I have a problem to convert my grid precipitation data to surrounding 4 rainfall stations points. I have 90 years gridded precipitation data from a climate model. My problem is that i have a basin ...
0
votes
0answers
18 views

Geoserver tiles missing point labels that show up fine when serving as a single tile

Using Geoserver 2.8.2, I just loaded a new "address points" layer (shp files). I have a style I've used before, and perhaps this has happened in the past and I've not noticed, but with the custom ...
0
votes
0answers
5 views

Switching from “layer selector” to buttons to toggle between layers in CartoDB

As of now, we have a map that you can toggle between layers using the "layer selector". We want to instead have buttons on the map that, by clicking on one, you can switch between layers. In our's, ...
0
votes
1answer
217 views

How to suppress advanced digitizing tool window

I'm using QGis for years but suddenly I stuck with something that I'm sure it's an easy fix. Every time I start to create a new feature, the Advanced Digitizing tool window pops up. Do you know how to ...
2
votes
1answer
13 views

ESRI Javascript - Dynamically Create Points from Non Spatialized JSON Using Lat/Longs

I am working on application that needs to make use of a non spatial data set. The data is maintained by the group responsible for the installation of the asset item and thus it makes sense to pull ...
2
votes
1answer
10 views

Update geometry in ArcGIS Relationship class between point and lines

I have set up two relationship classes with a pipe (storm_pipe) and its structures (storm_struc). Each pipe has a from_struc_id and a to_struc_id, both of which point to a id in the storm_struc layer. ...
1
vote
1answer
13 views

Print a centered map from a QGIS project for each point in a shapefile

I need to produce on the order of 100 maps that are centered on each point of interest in a shapefile. I would like to prepare all the layers in a master QGIS project, and set up the composition for ...
0
votes
0answers
16 views

Autopopulating point combobox using ArcPad?

Using ArcPad, I am capturing points that reside on a number of polygons with different asset IDs. How can I automatically populate one of the point’s comboboxes with the asset ID of whatever polygon ...
1
vote
1answer
3 views

How to specify (cross-browser) mouse pointer sets on leaflet control?

Leaflet custom controls might be interactive, when the user can use the mouse on them to perform an action, or non-interactive, when they are used only to show information. This should affect the ...
1
vote
1answer
218 views

Variable buffer radius in ArcGIS JavaScript API?

I'm hoping someone can help with this, I'm trying to combine the following Esri samples, to end up with the ability to create buffers based on a variable radius, that will then query data within the ...
0
votes
1answer
16 views

Assigning road road segments to single line file?

I am working on a map of traffic data. How can I join my excel spreadsheet which has traffic data based on segments of a road to the shapefiles where each road is a single line file? Do I have to ...

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