Questions tagged [maps]
A visual representation of an area-a symbolic depiction highlighting relationships between elements of that space such as objects, regions, and themes
342 questions
5 votes
2 answers
338 views
What fonts were used to create the USGS 24k topo quad maps?
I need to determine which fonts the USGS used when creating the 1:24k topo quad maps. My search has found the fonts used in the map collars here: https://pubs.usgs.gov/tm/tm11b2/downloads/tm11b2-...
- 7,938
0 votes
0 answers
66 views
How to reproject Alaska and combine that projection with a map of the lower 48 in a different projection, keeping both renderings intact using QGIS
I need to take multiple shapefile layers, states, counties, MSAs, and some select cities, combine them in various configurations and reposition Alaska, Hawaii, and the territories into a more compact ...
- 1
0 votes
0 answers
73 views
Create hyperlink from main map to other maps in QGIS
I have four maps: Main map, Map 1, Map 2, and Map 3 in the same layout. I need to create a Hyperlink (Index) located on the Main Map that allows me to jump to each of the other Maps (1, 2 & 3). ...
- 1,008
-1 votes
1 answer
76 views
Create a map of different bat locations across two towns using OpenStreetMap [closed]
I'm very early on in the project and haven't used QGIS before. To begin with I want to have my project focus on two towns that I can easily jump between without any lag, I'm just wondering if this is ...
0 votes
1 answer
153 views
Polyline from coordinates array in OL v9.2.2
I'm trying to implement something like this example in Angular 17. I can't replicate this part: const polyline = result.routes[0].geometry; const route = new Polyline({ factor: 1e6, }).readGeometry(...
- 3
1 vote
1 answer
145 views
TomTom traffic vector layer integration in ArcGIS SDK JS API
I'm facing issues displaying results from the TomTom API in my ArcGIS JavaScript application. Despite configuring a Vector Tile Layer with TomTom traffic data, the results are not showing up on the ...
- 13
1 vote
0 answers
227 views
Legend Spacing in tmap
My problem is that I am using tmap to create cartographic maps, and similar to ggplot I need legend spacing between the legend keys but I can not figure out how to implement the legend spacing in tmap....
- 11
0 votes
0 answers
45 views
Validating raster soil map through independent point set of soil attributes
If I have a raster map of pH, and a point (vector) dataset of map independent pH measurements, then how can I validate the accuracy of the existing raster with these extra measurements? I don't have ...
1 vote
0 answers
213 views
Save Google image as map with a point location dropped on it using a coordinate
I have saved a Google map image (PNG) using coordinates in Python. Now, I want to mark a location(as a coloured dot) of that coordinate on the map and save the same image. Are there any options ...
- 11
0 votes
1 answer
2k views
Issue with terra::mask
I try to mask the mapenter image description here in the rectangles with the borders of Switzerland. str(swissmask) S4 class 'SpatVector' [package "terra"] > swissmask class : ...
- 3
0 votes
0 answers
103 views
GADM shapefile former countries
I am looking for country shapefiles of former countries (i.e. USSR, Sudan, Yugoslavia, Ethiopia, Czechoslovakia, Netherlands Antilles) - ideally WGS84. Does anyone know if GADM or any other website ...
- 19
1 vote
0 answers
90 views
How could I replace fixed conditions to get clustering EPS for some calculation?
I use a function of DBSCAN for clustering, that takes the EPS value as a parameter (radius that defines which points will be grouped together). To set the EPS I use the following switch case: let ...
- 111
1 vote
1 answer
136 views
Markers are not showing on min resolution
Working with Openlayer 6, my map is working fine for the 40 layers on initial load. Against search functionality, I am trying to add a new layer on the map using the following code. const ...
2 votes
1 answer
146 views
Internationalizing a map in QGIS
I am working on a map of a city in Cambodia. Unfortunately, the characters and names of nearly all places are all displayed in Khmer, which, despite being able to speak, I am not able to read. I ...
2 votes
0 answers
1k views
How to remove a marker from a Leaflet map?
I'm currently making a website where I'm using Leaflet 1.7.1 and Nominatim API and VueJS 3 and I'm trying to delete the marker after I search an address. When I search the address the first time ...
- 21