Questions tagged [markers]
An object used to indicate a position, place, or route
334
questions
0
votes
0answers
18 views
Icons/Features disappear after removing one feature from vector Source
I am using OpenLayers 5 and i have a map which has multiple icons. When i try to remove an icon from my map, all the icons disappear at once.
Code Below is to add the vector source which contains ...
3
votes
1answer
51 views
Resize vector marker according to zoom (i.e. marker constant size in meters) in Leaflet?
I have a map with 20 markers on a geojson layer. They are all from the same SVG and represent a certain area on the map (meaning they represent a circle of constant radius in meter on the map). I need ...
0
votes
0answers
18 views
Static map image with markers and labels
I need to create a image automatic way of a map with markers custom and label with 5 characters, I tried with the API Google Maps static but only one character is leted.
Mapbox let me use maki icons,...
1
vote
0answers
28 views
Load KML to GeoJSON [closed]
I want to let Marker to other style.
This is my code:
<script>
var url = 'leaflet/WGS84.kml';
doSomething(url);
function doSomething(url) {
var runlayer = omnivore.kml(...
0
votes
0answers
9 views
Overlapping markers popup content ArcGIS JS
I have an ArcGIS Javascript 4.x map built into my Angular application. My current problem is that, after displaying a series of Markers on the map, there are many overlaps.
Clicking on one of the ...
1
vote
1answer
33 views
Resizing Leaflet CircleMarkers after zoom level changes?
I am trying to find a way to have my CircleMarkers resize themselves after zooming in or out so that they scale properly with the map. So far, I have tried firing map.InvalidateSize() on the zoomend ...
2
votes
1answer
44 views
Displaying direction arrow on pointstopath in QGIS?
I found Displaying direction of movement with points2paths in QGIS? which should work but it doesn't. It looks as though it's an older version of QGIS (I'm using Madeira). Arrow gives a very strange ...
1
vote
2answers
37 views
Leaflet GEOJson marker pins are not a Layer?
I currently have the following code which is used to display a series of GEOJson marker pins on a LeafletJS 1.5.1 map and it also displays a KML layer which can be toggled on and off using a checkbox.
...
1
vote
0answers
16 views
Group members add their location to OSM map?
We have a Facebook group with about 100,000 members. How can we create an OpenStreetMap map where members who have the URL to the map can add their location with a marker (only one marker per member), ...
3
votes
1answer
45 views
Starting Dash Space Pattern with space instead of dash in QGIS?
I need to create a simple line symbol which starts with a gap (space) instead of a dash. I avoid replacing the simple line with a marker line because of the x-axis offset that i need to introduce. Can ...
0
votes
0answers
26 views
Add custom icon via mapbox.attr
I try to add my custom icon via mapIcon attr but doesn't work:
<script type="text/javascript">
function fc_addressint_initMap(mapBox)
{
var mapLatLon = eval("(" + mapBox.attr("...
1
vote
1answer
51 views
Custom icon with Leaflet
I'm trying to add custom icon in Leaflet, but it doesn't show on map.
This is my code:
<script type="text/javascript">
function fc_MapMod_initialize_99()
{
var ...
1
vote
1answer
24 views
Using custom marker name in Leaflet from external GeoJSON file
I have the following code (which works great):
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.5.1/dist/leaflet.css" integrity="sha512-xwE/...
0
votes
1answer
261 views
React-Leaflet: Marker has wrong position after zoom out
When I show a marker in the center of the map it is OK.
But when I zoom out, the marker is like staying at the same place. Finally its position is very wrong.
Why is it not moving together with the ...
2
votes
1answer
68 views
QGIS very slow and stops when increasing points size / number
I used the "graduated" style option to represent data by year.
Then for each year I used this method with a custom function to increase point size according to the number of points at the same ...
1
vote
2answers
107 views
Bouncing markers when hover over sidebar
I would like the markers on my leaflet map to bounce when hover over corresponding list-item in sidebar. How to connect markers and list-items. List-items and popups all generated dynamically, their ...
1
vote
0answers
78 views
OpenLayers Icon with ngClick
I am working off the OpenLayers Icon Symbolizer example (https://openlayers.org/en/latest/examples/icon.html) to create an equivalent to a Google Maps marker
new google.maps.Marker({...})
With ...
0
votes
1answer
242 views
How to cluster markers using the “Geojson-dashboard” in Leaflet JavaScript
I know how to use Leaflet.markercluster, but for some reason I can't use with geojson-dashboard framework template for Leaflet (http://fulcrumapp.github.io/geojson-dashboard/).
But I have a simple ...
0
votes
1answer
162 views
Open the popups of all markers that are visible on the map with a zoom > 10
I need to open all the markers that are visible on the map at Zoom > 10. I am using leaflet.markercluster plugin.
Init map:
initMap() {
this.map = L.map('map', {
center: [55.55, 37.61],
...
0
votes
0answers
119 views
Leaflet markers at same geo location (ClusterGroup)
I have a map created with leaflet with different markers. Sometimes the markers have the same (1:1) geo position.
I have already tested the great addon clustergroup, but I need the function to be ...
0
votes
0answers
167 views
How to save marker and polyline in database?
I want to store marker and polyline in the database. In this script, I have 3 functions, that is to draw a polyline, marker and the point of destination.
Can anyone fix my script below?
var map;
var ...
1
vote
1answer
117 views
Adding Altitude to a marker in WebGLEarth
Im trying to add an altitude to a marker in WebGLEarth but i cant figure out how to do it. I cannot find anything in documentation either. The idea is that my markers act as satellites so i need the ...
0
votes
1answer
2k views
OpenLayers 5 add multiple markers
I'm using OpenLayers 5 to show a map and add markers to it.
I can see the map without any problems but only the last marker is shown. I saw an answer about using .clone() method on the marker that's ...
2
votes
1answer
122 views
How to create circles around points
I'm new to QGIS so please bear with me.
I'm using QGIS 3.6.
So I imported a CSV-file with latitude longitude coordinates (WGS 84), created markers and set them to have different colors (to show ...
0
votes
1answer
239 views
Changing marker shape to circles in Leaflet
I was wondering how to change the default marker shape in a Leaflet map to circles
$.ajax("data/StatesPopulation.geojson", {
dataType: "json",
success: function(response){
...
1
vote
1answer
313 views
Highlighting selected geojson feature and return to previous state when another one is selected using Leaflet?
I've a map with a geojson layer containing markers, polygons and lines.
I made a module so that when a feature is clicked, its properties are displayed in a frame and not in standard Leaflet popup. ...
4
votes
1answer
962 views
What are possible values of iconSize in Leaflet Marker Icon Options?
I have a very standard script:
var redIcon = L.icon({
iconUrl: '1.png',
iconSize: [10, 10], // size of the icon
iconAnchor: [5, 5], // point of the icon which will correspond ...
1
vote
2answers
607 views
Leaflet - How to show feature properties in a box that is not a popup?
Popup giving features properties are interesting but I would like to make a side bar where properties of a clicked feature would show.
I've got the traditional code for displaying geojson features ...
1
vote
1answer
265 views
Changing marker symbol in Leaflet AJAX
I have got a .json file to display in Leaflet map.The points are shown with custom blue dot markers. I cannot get to change them.How do I get to change the symbol?
var greenIcon = L.icon({
...
1
vote
0answers
230 views
Including iframe in tooltip in Marker?
Can we include an iframe in tooltip in Marker?
import folium
var=open("yolo.html", "r")
var2 = var.read()
map = folium.Map(location=[19.179180,72.972580],zoom_start=6, tiles="Mapbox Control Room")
...
0
votes
1answer
52 views
Drawing a marker on a shapefile with the given latitude and longitude?
I am using shapefiles to draw a custom map. They were created successfully with the help of ArcGIS Desktop.
Now I need to draw a marker on shapefile based on an existing tuple of lat, lng.
How can I ...
3
votes
3answers
966 views
Changing colour of imported SVG icon in QGIS 3.4
I have imported my customised icon (which was obtained through the .jpeg image conversion) for point layers using an SVG file.
This works well except for the fact that the original colour was ...
1
vote
1answer
433 views
Add point markers in QGIS 3.4 without coordinates
I am new to QGIS and trying to insert svg markers into a map I've been creating. I am struggling to find resources on my exact problem. I read about creating a new georeferenced shapefile and layering ...
1
vote
1answer
152 views
Geting fitBounds and removeLayers to work in Leaflet
I am making a Leaflet map that gets its marker and popup information from a database.
I have a dropdown that allows me to retrieve a subset of the entire database based on category. The drop-down and ...
0
votes
1answer
1k views
Adding popup to Leaflet but only on click?
As there a way to add a popup to a marker but only show it when it is clicked?
As it seems to be default to show it when one is loaded. This is no good when markers are getting updated.
Currently ...
1
vote
1answer
173 views
Performance issues with (clustered) point features
How do I get a point features layer containing roughly 2800 labeled features to perform smoothly when exported (and converted to GeoJSON) with qgis2web?
Specifics: I use qgis2web 3.4.0 and QGIS 3.2.3 ...
2
votes
0answers
78 views
Using web images as markers in qgis
I'm attempting to follow along with this tutorial on using web images as markers within QGIS. I'm using static web-linked images, not webcams as in the tutorial.
The code seems to be working ...
0
votes
0answers
40 views
Disperse markers - trouble with input file?
I had an excel sheet listing addresses that I imported into ArcGIS and geocoded which created a File Geodatabase Feature Class of all the points. I am trying to display the map where it disperses ...
0
votes
2answers
1k views
OpenLayers 4 - Absolute Icon Size
I need to display many images (icons) on an OpenLayers map. I'm using v4.6.5
Previously, I was simply displaying 1 icon, and I was using PHP on the backend to determine a proper scale factor. This is ...
1
vote
1answer
1k views
Multiple markers on Google Maps using JavaScript, PHP and SQL
I am trying to query the MySQL database that has a table with firstname, longitude, latitude in it.
I want to get the longitude and latitude and display them as multiple markers with the firstname as ...
0
votes
1answer
267 views
Leaflet - Hide marker before zoom shows marker?
I have a few thousand markers which are grouped in feature groups which i show depending on the zoom level. At the moment i run the the show/hide function for each feature group after the event zoom ...
1
vote
1answer
704 views
Spiderfy all Leaflet markerClusters with fewer than 5 markers
I am making a Leaflet map using markerCluster.js.
I would like to make all clusters with fewer than 5 markers automatically "spider", regardless of the zoom level. For example in the image below, I'd ...
1
vote
1answer
186 views
Creating markers perpendicular to different lines in QGIS
I want to create markers on different lines and this markers should have always 90° on the line.
I used the simple marker, with a 90° angle, but this doesn't work for every line.
How can I get a 90°...
3
votes
0answers
351 views
Markers with customs angle values
I'm trying to make some markers spinnable using this :
target = document.getElementById("mapid");
target.ondragover = function(e){
e.preventDefault();
e.dataTransfer.dropEffect = "move";
};
...
0
votes
1answer
259 views
Openlayers only Popup for Marker but NOT for Polygon [duplicate]
I only want popups for the layer of the markers (icon), but not for the layer of the polygons (WFS).
var defaultStyle_polygon_1 = new ol.style.Style({
fill: new ol.style.Fill({
...
1
vote
1answer
66 views
How to slow down mouse before modifyend with openlayers3
I have a map with a draggable marker (ol.style.icon in fact).
There is a strange issue:
If I try to move marker, it is like trying to reel in a marlin but after a zoomin/out, marker naturally slows ...
2
votes
1answer
120 views
QGIS Draw dynamically marker's heading from field in a postgres database
General description:
I am using QGIS as quick visualization tool, where I make a "PostGIS" database layer and I see user generated events.
Table structure as follows:
Id | time_of_event | ...
1
vote
0answers
303 views
Making custom markers resizable in Leaflet?
This fiddle (from Stefan_Fairphone) is a quick example of what I need to do for a project. But i need to add two features for these custom markers: make them scalable and spinnable.
I'm trying to ...
1
vote
1answer
135 views
Different SVG markers for different attributes
I am using QGIS 3.0.
I want to use different angle arc SVG markers depending on the data in the attribute table. For example, some points require a 60-degree marker, other a 35-degree marker etc. to ...
5
votes
2answers
161 views
Fail to open SVG graphics as SVG Marker in QGIS
I have an SVG graphic which should be placed in certain locations on my map in QGIS 2.18.
I can open it through Adobe Photoshop, Inkscape, Chrome, it even obeys Internet Explorer.
As for me, ...
