Questions tagged [json]
JavaScript Object Notation (JSON), is a lightweight, human-readable data interchange format.
2
votes
1answer
20 views
Convert Java object to JSON with jackson
I am trying to read the data from a shapefile and once read, I want to convert it to a JSON file.
To read the data I'm using the geoTools library, and to write to JSON, I use the geojson-jackson ...
0
votes
2answers
48 views
How can I convert KMZ file to JSON?
I'm writing a ArcGIS JS project, in which user will upload KMZ which will be displayed on map, since ArcGIS doesn't have a magic trick to do it, I want to convert KMZ to JSON (or KML) and then display ...
0
votes
0answers
23 views
Multiple point add in OpenLayers maps with ajax request
I want to display multiple points in the database on the OpenLayers map. Points are in the form of gps coordinates.
Here is the code that we have done so far:
<?php $con = mysqli_connect("...
0
votes
0answers
25 views
Creating a Leaflet Overlay from JSON
I am trying to make an interactive map using leaflet where the user can toggle an overlay of multi-polygons. So far the following code works using a checkbox to display dummy point data, and radio ...
2
votes
2answers
55 views
Date and geometry from JSON objects to Google Earth Engine?
I would like to know if there is any way to get the geometry and date data from a JSON object. I'm putting the coordinates and dates by hand but all my data comes from JSON files that have either the ...
0
votes
0answers
5 views
Get Feature Service syncCapabilities with ArcPy
I'm working on an ArcPy script to test layers. I have either an arcpy mapping module layer object, or a feature service URL as a text string. I wish to get the feature service's capabilities, in ...
2
votes
0answers
25 views
Performing viewshed analysis from each pixel (now points) in raster and getting JSON out of it using QGIS? [closed]
My question can be divided in 3 steps and I guess I can answer 1.5 of them already.
To perform the viewshed analysis from every single pixel in a raster I will need:
A viewshed plugin (which I am ...
1
vote
0answers
21 views
JSON response to shapefile [closed]
I'm collecting road accidents from an API through a Python request and getting my response as JSON. The JSON response contains coordinates and general information as below.
{u'RESPONSE': {u'RESULT': ...
0
votes
0answers
15 views
View the output of GP Server
My geoprocessing tool has 2 inputs 1 output.
1st input parameter type is a feature layer
2nd input parameter type is a String
3rd output parameter type is a shapefile
when I run it, the window was as ...
2
votes
0answers
48 views
Creating features from JSON without writing to disk first using ArcPy?
In ArcPy, I want to use JSONToFeatures_conversion, but I'm working with data that I pulled from a web service. I have no need to save the data to disk. So, I thought I could do something like this:
...
0
votes
1answer
47 views
How to determine which point lies in which polygon from a list of multiple polygons
I am new to python and currently working with Json file and I need to determine the location of each tweet and represent the grid in which they are present with the count of tweets in each grid cell.I ...
-1
votes
1answer
66 views
Searching Polish districts in JSON
I am looking for a map of polish 'powiaty', eng. 'county' or 'district' (i.e. second-level unit of local government and administration in Poland, equivalent to a county, district or prefecture) in ...
0
votes
1answer
227 views
Uncaught TypeError: L.GeoJSON.AJAX is not a constructor
I want to add my json files to leaflet using leaflet-ajax plugin. But it always says following error:
Uncaught TypeError: L.GeoJSON.AJAX is not a constructor
Why this error is showing in my code? ...
0
votes
1answer
47 views
Differences between Geoserver 2.15.0 and 2.11.0
I was doing a GetFeature request call to a WFS service in Geoserver in json format with my application. I had initially installed 2.11.0, then when I moved to 2.15.0 my app stopped running,
I have ...
2
votes
1answer
146 views
Better performance for geohash aggregation with PostGIS
I'm using the GeoNames (https://www.geonames.org/) dataset and want to aggregate the points in geohash of a specific precision. Beforehand I'm filtering with an bbox. So this is the query I came up ...
0
votes
1answer
148 views
Converting JSON response into a GeoJSON layer in my Leaflet map
I need to convert a JSON response from Mapquest elevation API into a GeoJSON layer in my Leaflet map.
var ele = $.getJSON('http://open.mapquestapi.com/elevation/v1/profile?key=<API_KEY>&...
1
vote
0answers
30 views
Make a script run indefinitly
I have created a script which reads a JSON file and based on the attributes creates a grid and assigns values to the grid. This JSON file may change. I wanted to create an infinite loop to run the ...
0
votes
1answer
68 views
Integrate JSON file inputs (specifically latlng) in Leaflet with JS
It's my first time using Leaflet and I wanted to simply put two markers based from my inputs. I managed to connect my JSON file with the JavaScript and the only problem I have is how to dynamically ...
0
votes
1answer
24 views
Why is this happening? I show GeoJSON some coordinates with OpenLayers by request Ajax
I want to display a GeoJSON on OpenLayers with a request from Ajax from the database:
I store in the geojson variable all the information and I icercated in two ways:
1. Directly from the already ...
2
votes
0answers
399 views
Adding points to map with Leaflet using .forEach function
Trying to add an array of points to a map with a Leaflet with .forEach.
I thought this should work, but alas, it does not:
var jsonData = [
{
"LNG":-75.16472099534634,
"LAT":40....
3
votes
1answer
81 views
Using ogr2ogr on Anaconda
I am building a Choropleth map in D3.JS.
In order to do that, I have downloaded a map from Eurostat.
From the GeoJSON file, I want to extract the country for the visualization, in my case Portugal.
...
0
votes
1answer
79 views
Displaying bounding box polygon from CSV using ArcGIS Desktop?
I have a data file (.csv) with a minimum and maximum longitude and latitude. These 4 fields (roughly a few thousand rows) make up a bounding box. However, I am unsure of how to get this data to be ...
0
votes
0answers
30 views
CAD To GeoJSON after publishing it shows the job failed
I have written the code for CAD to GeoJSON. When I ran ArcMap or ArcCatalog it's working fine, after publishing the code it's giving the error. The code is too long. Can you provide the code
ArcGIS ...
1
vote
0answers
137 views
Leaflet routing machine - get route JSON response
I created a simple page based on Leaflet routing machine tutorial. I would like to process obtained route with my API.
How could I to get full JSON response with route?
0
votes
1answer
181 views
Getting data from JSON data API?
As asked in previous question: Displaying icon name next to icon using OpenLayers? , now I need to change data source to the JSON API data, and used jquery plugin bypass CORS (http://www.ajax-cross-...
4
votes
0answers
365 views
Why does QGIS 3.4 and higher create .tmp file instead of refresh editing layer after saving?
I downloaded QGIS 3.4.0 and try to save edits in .geojson file. I can save new objects, but not edits in attributes. Insted of it, QGIS creates .tmp file with my chаnges into the same folder with ...
4
votes
1answer
112 views
ArcObjects: Convert Feature to JSON
I need to get the JSON from a feature using ArcObjects. According to I tried to following code, but it does not work:
var jsonWriter = new JSONWriterClass();
jsonWriter.WriteToString();
var ...
1
vote
0answers
355 views
Json To Features ERROR 001558: Error parsing json file. The workspace is not connected
I am trying to convert a JSON file into a feature. My code was working fine until today and now I am getting the following error - ExecuteError: ERROR 001558: Error parsing json file '<filepath>'...
0
votes
1answer
94 views
GDAL/BUILD can't get result files Geojson to mbtiles
i try to 2.55gb of GeoJson (maybe 200 over layers in one file) to vector Mbtiles, but fail to create .mbtiles.
so i try convert each layers(.shp) to geojson(over 200 files),
then create each ....
4
votes
2answers
3k views
How do I write a GeoPandas dataframe into a single file (preferably JSON or GeoPackage)?
I'm new to GIS and having a basic beginner problem. I've got data in the form of a geopackage .gpkg from GADM.org. I can read in and use the data without problem using Geopandas (via built-in Fiona)....
2
votes
1answer
79 views
Error on showing .js as spatial object with JSON.parse()
I have a Leaflet map exported by qgis2web plugin. The geodata is stored as (Geo-)JSON-objects inside a variable saved as .js-file.
I have an attribute field ("bildpfad") with comma-separated pathes to ...
0
votes
1answer
26 views
QGIS - Import transposed points coordinates/nodes as polygons
I'm attempting to streamline the process of importing polygons (19 in this case) from a website into QGIS. I extracted the JSON using chrome's dev tools and converted it into CSV spreadsheet here. The ...
0
votes
1answer
103 views
Display markers and autohide them after few seconds using data of nested JSON object from an API in Leaflet Map
I'm trying to load 4 markers at a time and timeout should be 5 secs for them and then new markers should come up and old one's should be hidden automatically.
I have written this code and unable to ...
0
votes
1answer
180 views
How to append geojson file using featureselection
For example, I have a file as shown below:
{ "type": "FeatureCollection", "features": [
{
"type": "Feature",
"properties": {},
"geometry": {
"type": "...
1
vote
0answers
386 views
Google Maps API - Multiple Polygons
I'll be generating my JSON file using PHP and SQL for displaying around 200 polygons, on a map. I've managed to test the concept with two polygons but still struggling.
I'm not experienced with JS or ...
0
votes
1answer
324 views
GeoServer & QGIS - Using GeoJSON in a WFS request
I'm trying to load a WFS Layer in QGIS. I requst the data from my GeoServer and would like to import the data as GeoJSON.
I can export my data in the layer preview section as GeoJSON. Everything ...
0
votes
2answers
183 views
Error converting Json file to a feature class
I want to convert some json data being returned from a request to a feature class, but I keep getting a RuntimeError: Object: Error in executing tool. I made a test gdb in a folder 'C:/Workspace/...
1
vote
0answers
330 views
Using updated wikimapia API to export data
My goal is to get a json export from Wikimapia. I'm trying to use their updated API but I always get no objects returned no matter what coordintes or categories I specify.
Here is my example query (?...
0
votes
1answer
416 views
How to Zoom Google Maps Javascript API to level 25
Cannot Zoom Google Maps Javascript API after 1:564 (zoomlevel: 20) in Mapstore. Can anyone help me to solve this cause my layer keeps on zooming but the map is stuck at zoom 20, I want to zoom it to ...
0
votes
0answers
88 views
Filter on array. Tabletop to leaflet map, points.
Im looking at tabletop to leaflet (tabletop to leaflet). I want my latlon points in spreadsheet to appear on the map. The spreadsheet have a column "city", and i want individual points for each "city" ...
0
votes
0answers
176 views
Adding Unique Properties to Each Feature in a Large GeoJson
I previously asked Add properties to large GeoJSON but that was rather unclear and I learned something from people's feedback. I went back to the drawing board and got even more confused.
I am trying ...
0
votes
1answer
1k views
Add properties to large GeoJSON [closed]
I have a geojson of multipolygons like so
{
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"properties": {
"ADMIN": "Aruba",
"ISO_A3": "ABW"
...
0
votes
1answer
113 views
Has anyone used Esri JSON data with json-schema validation?
Passing data between web services often means passing JSON data. A standard for evaluating JSON data is under development at json-schema.org. I would like to incorporate Esri JSON data in my schema ...
3
votes
1answer
285 views
esriRequest json response to feature layer
I am using JavaScript 4.7 and I am able to retrieve json using esriRequest from our ArcGIS server.
However, I have difficulty in showing this data on the map layer.
the call map.addLayer(...
0
votes
1answer
779 views
Python and Google Maps API place search: Read csv read row by row and loop fuction
I want to automate a task in Python with the Google API Search Place. Right now, my code with Google Maps API is returning places 'hospital' for one set of geographic coordinates.
But, I have a CSV ...
2
votes
1answer
171 views
geojson file not interpreted properly (wrong format?)
My problem:
I am using a web application that uses geojson file to define point data - here is the application:
https://smartcville.com/racks.html
I would like to use the skeleton of the ...
0
votes
2answers
430 views
How to get JSON data from cql_filter WMS layer with OpenLayers 4
I am trying to get the JSON feature data which I have filtered using cql_filter.
<script>
var wmsSource = new ol.source.TileWMS({
url: 'http://localhost:9090/geoserver/ilfs/wms',
...
1
vote
1answer
812 views
Create a collection of geometries in JTS
I'd like to create a program that a user inputs coordinates as points or lines and gets a geojson file.
The problem is I don't know how to store all the geometries in one file.
For example I want to ...
0
votes
0answers
487 views
Why am I getting an error when using multiple logical filters for WFS?
I am using openlayers to query a geoserver WFS and am trying to use ol.format.filter.and to include multiple logical filters:
var featureRequest = new ol.format.WFS().writeGetFeature({
...
1
vote
1answer
886 views
Change/filter markers from custom check boxes
So I'm working on a map using leaflet and I want to use custom check boxes, not the default controls. I'm returning the correct json information when I check the boxes. I'm just not sure how to swap ...
