maptiles | Download , compose and display map tiles with R | Map library
kandi X-RAY | maptiles Summary
kandi X-RAY | maptiles Summary
To create maps from tiles, maptiles downloads, composes and displays tiles from a large number of providers (e.g. OpenStreetMap, Stamen, Esri, CARTO, or Thunderforest).
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Trending Discussions on maptiles
QUESTION
I've working on a server that among other things will be hosting tile based map data. For this I'm using the mbtiles format. I'm able to host this successfully and it works if I use it as a regular VectorTileSource, but I'm unable to host it as a TileJSON source.
I'm using Vue's minimal client as a test base for development purposes. I've added the raw endpoint as one layer and my TileJson endpoint for the other layer. I've tried with both layers at the same time and with one at a time.
When I'm using the raw endpoint I get a map, and when I use the TileJSON I don't get anything. In both cases the raw endpoint is being called with the same parameters by the client (verified by network inspection), the data just isn't rendered.
Here's my very minimal client code:
...ANSWER
Answered 2022-Mar-30 at 20:46ol/source/TileJSON
is a subclass of ol/source/TileImage
and is only used for image tiles. Your TileJSON is intended for use in a Mapbox vector style definition - using ol/layer/MapboxVector
you might be able to load tiles using the code below which will not style anything as it has no style "layers". But you can remove the empty style to use the OpenLayers default, or set your own style.
QUESTION
if I add "baseMaps" to my layer control, "huts" is actually a checkbox. But I only have one basemap, so I dont need that in my layer controls. But I still wanted to be able tu turn off my "huts" overlay. But as soon as I remove "baseMaps" "huts" becomes a radio button and cannot be turned off. Is there a way?
...ANSWER
Answered 2021-Dec-16 at 18:06The 1st argument of L.control.layers
populates the "base maps" (with radio button), while its 2nd argument populates "overlays" (with checkboxes).
If you only want overlays, you can simply pass null
to the 1st argument:
QUESTION
I need to run an OpenLayers instance offline. I am trying to load map image tiles which I have downloaded from here. I am running TilerServer-GL docker image as specified in the documentation. I have a simple index.html
file to display an OpenLayers map as specified in the OpenLayers QuickStart documentation. The only change I have made to the .html
they provide is to change the Tile Layer source as follows:
ANSWER
Answered 2021-Oct-11 at 21:30Turns out that the reason the CORB error was being thrown was because the server was responding with a 'text/html' MIME type and the browser was expecting an image. Since it didn't match, the CORB error was thrown.
The server was responding with the wrong type because the URL was wrong. I had:
QUESTION
I am new to Django and I have installed mapTiler server on my mac to use it as as map server. I have a django app that has an embedded folium map and I want to host my data locally (offline) through the application: After getting the information from the server [mapTiler server interface][1], I have put this part of code in views.py
...ANSWER
Answered 2021-Jan-21 at 07:25In case your viewer of choice is Leaflet (and according to the screenshots it is) - then you may need to either A) load raster map tiles or B) use LeafletGL.
So here are the two options:
A) To use raster tiles from MapTiler Server in Mac - in the current version 2.x you have to launch the software from Docker. This means to install Docker on your Mac first - https://docs.docker.com/docker-for-mac/install/ and then launch inside the container https://hub.docker.com/r/maptiler/server. We are working on a video tutorial for how to do that (check the MapTiler YouTube channel). In future version of MapTiler Server (perhaps 3.x) the raster PNG/JPG tiles for world maps are planned to be available directly from native Mac binaries.
B) The software you have installed currently on your macOS provides vector tiles (.pbf). These can be displayed in Leaflet with a plugin. See https://cloud.maptiler.com/maps/basic/leaflet-gl for details and an example - and replace the endpoint to load the map tiles. Instead of api.maptiler.com point it to equivalent endpoint on your localhost:3650.
Hope these tips help you to solve the problem.
QUESTION
i am trying to integrate a map into my wordpress site using following code. To be more specific i am using this code inside a "html block" of the Block Editor.
...ANSWER
Answered 2020-Oct-21 at 22:01okay i figured it out. i made two mistakes
first one was i did not consider that layer can overlap each other. my "bezirke" layer, a polygon, was overlapping all markers. so when i clicked on what i thought was the marker i was actually clicking on the "bezirke" layer which didnt show a popup because this layer had no popup configured. interestingly this also applied to areas of the map that were empty in the polygon layer.
second i made a syntax mistake when using the L.GeoJson.Ajax function: i put the pointToLayer and onEachFeature subfunctions(dont know how its called) each in {} brackets, which is wrong, they are together in one {} bracket and inside only seperated by a comma
here is the working script:
QUESTION
I want to create a Custom size JPanel for my map and later mini-map, the map generator and spritesheet reader work fine however when I set the JPanel to a different size then the JFrame and I use the setSize() or setBounds() and run the program, it stays the same dimensions as the JFrame.
Main class:
...ANSWER
Answered 2020-Sep-30 at 23:30The results you are seeing are a result of the LayoutManager. You have (at least) two options:
- Set the LayoutManager of the parent of your Main class to null
- Put your Main class inside a JScrollPane. JScrollPane won't resize your JPanel, but rather use its preferredSize (which you can set) instead.
QUESTION
Every time there's a new release of OpenMapTiles tiles, I get a 403 forbidden error from maptiler.download. If I wait a day or two, the download works, but I'm paying good money for these weekly updates, so how do I download them on time?
...ANSWER
Answered 2020-Feb-22 at 02:46Looks like they fixed it by moving to a different CDN provider.
QUESTION
I am having a bit of a small issue performing a certain task in my winforms application.
I am basically attempting to recreate a "Top-View RTS Map", on a winform. In order to save memory, not all tiles of the "Map" are displayed on the screen. Only the ones that fit within the viewport. Therefore, I am trying to allow the user to perform a pan/scroll on the displayed tiles in order to navigate the entire map!
Right now, I am doing this by creating and displaying GroupBox
controls dynamically at runtime. These represent the tiles...
I have created my own objects to support all of this (contains screen coordinates, Row and Col info, etc.)
Here is how I am currently accomplishing all of this, in pseudo-code:
Creating the form, tiles and the map in general
I create a winforms form that is 600px X 600px.
I create a new "Map" (using a
List
) that is 100 tiles by 100 tiles (for testing) on form load and save that into a variable.I keep track of the displayed tiles via another list (or property that derives from the main list
bool MapTile.isDrawn
)Each tile is visually made of a
GroupBox
control that is 100px X 100px (so [7 X 7] of them fit on screen)To start, I find the center
MapTile
(tile [50, 50]) in the "Map", create theGroupBox
for it and place that in the middle of the form,I then add the other tiles/controls necessary to fill in the form (center - 3 tiles, center + 3 tiles (up, down, left, and right)).
Each tile, of course, subscribes to the proper mouse events to perform a drag
When the user mouse drags a tile, all other tiles being displayed follow suit/follow the leader by updating all "displayed tiles" coordinates to match the movement that was made by the "dragged" tile.
Managing Displayed Tiles
- While the
GroupBox
tiles are being dragged/moved, I perform a check to see if the tiles that are on the outer edge of the viewport are within its bounds. - If, as an example, the top-left-most tile's right edge falls outside the bounds of the left edge of the viewport, I remove the entire left column tiles, and add the entire right column tiles programmatically. The same goes all directions (up, down, left and right).
So far, this works fine as long as I don't go too fast... however, when I drag the tiles "too fast" passed an outer edge (e.g.: where point 2 ci-dessus would apply), it seems that the application is unable to keep up because it doesn't add the column or row where they should be on the form, and other times, it does not have time to remove all controls of a row or column and I end up with controls that are still on the screen when they shouldn't be there. At that point the entire grid/map is off balance and stops working as intended because either the events that should fire on one edge don't (the tiles are not present) and/or there are now multiple controls with the same name on the form and the removal or referencing fails...
While I am well aware that winforms is not designed to perform intensive GPU/GDI operations, you would think that something this simple would still be easily do-able in winforms?
How would I go about making this more responsive at runtime? Here's my entire set of code:
Form code
...ANSWER
Answered 2020-Jan-29 at 22:17I'd create the grid using (DataGridView
, TableLayoutPanel
, GDI+
, or whatever) and then in the drag and drop, just calculate the new indexes and update the indexes, without moving the grid.
Example
The following example shows how to do it using a TableLayoutPanel
:
- Assign a fixed size to cells
- Build the grid to fill the form
- When form resizes, rebuild the grid
- In mouse down capture the mouse down point and current top left index of grid
- In mouse move, calculate the new index based on mouse movement and update index
- In cell paint of the panel, draw the indexes
Here is the code:
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