mapquery | Map data storage and retrieval API | Map library
kandi X-RAY | mapquery Summary
kandi X-RAY | mapquery Summary
Mapquery 0.1.0 is a proof-of-concept prototype release. All of the work on the project leading to this initial release was funded by the Knight Foundation's Prototype Fund. Mapquery is a map data storage and retrieval API built on Express and PostGIS. When you import a shapefile to Mapquery, you can export what you want from it quickly--along with sizing and positioning information to fit any viewport. And once your map data lives in Mapquery, you’ll never have to go looking for that shapefile again.
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Trending Discussions on mapquery
QUESTION
I'd like to create a Google Map that pulls addresses from a google sheet. I've figured out how to generate a map search of a single address (see below), but can't figure out how to get my map to plot multiple addresses.
...ANSWER
Answered 2020-Feb-25 at 11:37You are using getValue, which will only return the top-left cell in the range you specify (that is, C15
).
If you want to get all the addresses in the range, you have to use getValues instead. This will return a two-dimensional array of values, which I'd suggest you to transform to a simple array of addresses. You can then iterate through each address in this array, appending each array to the body of the email message with concat().
It could be something along the following lines:
QUESTION
I would like my Google Map to update markers when the map is moved - using bounds_changed or idle - by submitting a new Ajax, removing existing markers and placing the new set.
So far I have the following two scripts: - The first reads title, latitude and longitude from a JSON array and correctly places the markers in the map. But I have not been able to add the bounds_changed code correctly. - The second script includes a bounds_changed trigger that loads a new set of markers into a div, but I don't know how to enter that array as the data for the markers (and update them).
If you can help me fix either of these two scripts so that I can get both things to work - read markers from JSON Array as in script 1 and update array when map is moved as in script 2 - I would be very grateful.
I have tried many variations and read all questions on SO that relate to the issue without luck. Totally stuck!
Script 1 - Getting markers from JSON Array:
...ANSWER
Answered 2018-Jan-12 at 11:53 If I understand correctly, there are two thing you want to achieve here.
1. when initialize the map, get json from server and add makers on it.
2. when bounds changes, get json and redraws all the maps.
You are very close, I would suggest you to reorganize your code.
1. you need a global array of marks, so you can remove makers from map for redrawing.
```
// set globals
var makers = []
// clear markers
function clearMaker (markers) {
markers.map(m => {m.setmap(null)})
}
```
2. seperate drawMarkers function
```
// drawMarkers
function drawMarkers(markerJson, markers, map, infowindow) {
clearMarkers(markers);
// your draw marker code
}
```
3. Your loadLocation
```
/*search location based on geoparams
geoparam: {
a: ne_lat,
b: ne_lng,
c: sw_lat,
d: sw_lng
}
*/
function loadLocations(geoparam)
{
return $.ajax({
type:'POST',
url: 'includes/newjson.php',
dataType: 'json',
data: geoparam
})
}
```
You can call loadLocation functions when initilize and bounds_changed and it returns a promise.
```
loadLocation(geoparams).then((data) => {
drawMarkers(data, markers, map, inforwindow);
}).catch(err => { console.log(error)});
```
QUESTION
I defined the web parameter as const map = new Map(); and I put values inside with map.set(metaById[i].id, metadatoForm[i]);
On the Angular side (trough browser console) I can see the item is passed correctly, but on the Java side I receive a strange object, it hasn't the correct size and it is empty (it has also empty keyset)
...ANSWER
Answered 2017-Oct-18 at 04:38Try this in your Angular app:
QUESTION
first of all, sorry for my english, it's not my main language, and I'm not sure the question is fully understandable.
I need to do some queries after receiving a Map as a @RequestParam of a Rest Web Service.
I'm trying to call the web service with Postman, and here is the full POST request http://localhost:8080/CDRestApi/rest/cd/esibizione/getIdUdFromIstanzaMetadatoByMap/5/map?25=ALAN&26=IANESELLI
This is my WS code:
...ANSWER
Answered 2017-Sep-25 at 10:57I resolved this getting the map and converting it into a map.
QUESTION
I have a WPF form displaying a DB data in a DataGrid. The form is simple – MainWindow with two user controls. The first user control contains the DataGrid, and the second one is a footer control, where I have a TextBlock displaying the items count. I can apply different filters to the DataGrid, so the items count will be changed at run time.
The question is how to attach Items Count from the DBview control to the Text property of TextBlock inside the Footer control?
Below is a short version of how I load the data into the DataGrid and also count the items:
...ANSWER
Answered 2017-Mar-31 at 13:25Also, I don’t use MVVM, just a code behind.
That's your main issue. There is a reason why MVVM is the recommended design pattern for XAML based UI applications and this is one of them.
If both your UserControl
s share the same view model, you could easily bind the TextBlock
to the Count
property of the source collection that is bound to the DataGrid
in the other control.
You cannot bind to a property of the other control using a RelativeSource
nor ElementName
binding because they reside in different naming scopes.
So you will either have to re-design your application (learn and use MVVM!) or you will have to get a reference to the other control programmatically in the code-behind of the footer Control using a visual tree helper method.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install mapquery
Install node modules $ npm install
Install Postgres $ brew install postgresql
Install PostGIS $ brew install postgis
Start Postgres server $ pg_ctl -D /usr/local/var/postgres -l /usr/local/var/postgres/server.log start
Create a new local Postgres database called mapquery. You can run createdb mapquery on the command line, or download pgadmin and use the GUI. Set your local username as the owner.
Run this on the command line to enable PostGIS: psql -q mapquery -c " -- Enable PostGIS (includes raster) CREATE EXTENSION postgis; -- Enable Topology CREATE EXTENSION postgis_topology; -- fuzzy matching needed for Tiger CREATE EXTENSION fuzzystrmatch; -- Enable US Tiger Geocoder CREATE EXTENSION postgis_tiger_geocoder; " Or if you prefer to use pgAdmin: Click on the SQL button at the top of pgAdmin. That'll open a SQL query window. Pate in the above code, excluding the top line, and click the green Run button.
Download the Mapquery starter pack database dump from here
Restore the dump file to your database $ pg_restore --verbose --clean --no-acl --no-owner -h localhost -U YOUR_LOCAL_USERNAME -d mapquery /PATH/TO/mapquery.dump
In settings.js, update the database connection settings to match your own: module.exports = { 'd': 'mapquery', // database name 'u': 'username', //username 'p': '', //password 'h': 'localhost', //host 'port': '5432' // port };
Start the app with npm start
localhost:3000 will load the view from views/index.jade
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