All Questions
Tagged with web-mapping python
26 questions
0
votes
1
answer
652
views
Keep same ID when copying webmap / web app map from ArcGIS Portal to another one
Webmaps are shared with an URL containing the ID.
Example: https://portal.com/portal/home/item.html?**id=8207f51d0c3d4b4193950beb2dcd21d4**
When a webmap configuration is replaced by another, for ...
- 1,096
0
votes
1
answer
771
views
Passing a Python list of coordinates to add as markers to web map (Flask)
In my flask GIS app, I am passing my web map a list of coordinates from a route in my Python backend, which works as I expect it to. When I print the list it looks like this.
[['53.792614', '-1.789202'...
- 199
1
vote
1
answer
9k
views
How can I share folium map on the web?
I have created a folium map with markers and popups in jupyter notebook and saved it as map.html
I am looking for a way to share this map with others or host on the web, such that the markers and ...
- 115
0
votes
3
answers
2k
views
How do I create a clickable map where clicking on a specific part of the map takes you to a webpage using QGIS?
I have a shapefile of regions in Italy. I am creating a travel blog and I want to create a clickable map where when you click one of the regions it takes you to the relevant page for that region. Is ...
- 11
3
votes
1
answer
9k
views
Coordinate System Mismatch In Folium
I'm trying to get familiar with Folium library in Python. I wanted to make a web-map of Turkey. Framework uses EPSG:3857 Web Mercator CRS as default. I tried to use approximate coordinates at the ...
5
votes
1
answer
1k
views
Seeking open source GIS web server
I am a proficient GIS and Python user. I would like to ask if any open source tools exist which allow for rendering of geospatial data on a website. I would prefer to avoid tools which require in-...
- 3,574
5
votes
1
answer
4k
views
Getting spatially referenced tiles from WMTS
I have been able to download tiles from a WMTS request in .tif format using owslib in standalone python:
from owslib.wmts import WebMapTileService
wmts = WebMapTileService('wmts_url')
img = wmts....
- 263
0
votes
0
answers
311
views
Combining python and JS (mapbox) for interactive rendering
I plan on visualising a huge dataset (probably around 20-30GB of data) using Mapbox in order to have a very nice map visualization. However I would like this visualization to be interactive and I am ...
- 163
3
votes
0
answers
1k
views
Geoserver REST API - Change styles on the fly
I'm uploading user-defined rasters to geoserver through its REST API, using the Python requests library. I would like to classify and style the rasters based on users' choices, so the styles should ...
- 129
1
vote
1
answer
6k
views
Folium Heat Maps
I am trying to replicate the following heatmap from this link.
Seems simple, but my html output is just a tile map with none of the data I'm trying to represent.
Here's what my csv data looks like ...
1
vote
2
answers
9k
views
Line break in a Popup box in Leaflet
How can I put a line break in the popup window in the following statement? I am trying \n and but its not working.
for lt, ln, el, plc in zip(lat, lon, elev, pl):
fga.add_child(folium.Marker(...
- 601
6
votes
1
answer
370
views
Appropriate False return statement?
I wanted the following Code to show green icons when the value is < 6.0 and nothing shown when it is >= 6.0 But it is returning Red icons for values >= 6.0 as in screenshot attached. What should be ...
- 601
-3
votes
1
answer
1k
views
Creating GUI for an arcgis project with python [closed]
I am new to Python and been putting my hands around ArcGIS for a while. So I am wondering if it is possible to create a GUI for an ArcGIS project I did and compile it to a desktop application or web ...
2
votes
0
answers
523
views
Appropriate web-server framework for serving slices of an interactive Leaflet vector layer from a large PostGIS table?
I'm trying to develop a web map with a clickable chloropleth layer of streets in a large city. There are approximately 40k polylines in this layer, producing a 21MB GeoJSON. This is too much data to ...
- 3,417
2
votes
0
answers
291
views
point in multiple polygons
I have a point (lat/lng) and a collection of geofences (polygons / circles / rectangles)
Simply put, I want to know if the point is inside ANY of the geofences, it's not important which one.
I know ...
- 143
1
vote
0
answers
310
views
How to query raster data using a polygon in a web environment
I'm struggling with the following;
I am setting up a web mapping environment using Leaflet. In the front end I use Javascript and the back-end is build with Python. When clicking or drawing an shape ...
- 11
3
votes
3
answers
4k
views
library to create static maps (an image) with custom map features
Do you know if there is a small library (preferably in python or java) around that allows the creation of static maps? Something where you can specific the URL of your TMS server, width and height in ...
- 319
7
votes
3
answers
4k
views
How to use Python for online GIS? [closed]
I consider myself a GIS expert, and I have successfully completed many GIS projects for clients. I am proficient in spatial analysis, ArcGIS, QGIS, and quite good in Python as well. However, I am only ...
- 1,545
-2
votes
1
answer
307
views
What application server or web framwork to use [closed]
I'm looking to make a webmapping app, which gonna use Geoserver as carto server, and Postgres/postgis as Dabatase, and Extjs as client UI.
but i'm in dilemma in application server side, between PHP, ...
- 4,604
2
votes
0
answers
162
views
GeoDjango WebMapping Application Update
According to the below GIS.SE questions, GeoDjango was the preferred framework for creating simple and quick webmap applications. But these questions are now all 2-3 years old. Can we verify whether ...
- 1,235
7
votes
1
answer
5k
views
Sharing a Folium Interactive Map w/ Embedded Markers
I have been experimenting with a few Python packages that have great potential for my dissertation research. Since I use pandas for pretty much everything, geopandas was a natural choice for working ...
- 499
20
votes
4
answers
16k
views
What python web-mapping framework to use? [closed]
I am interested in developing a web-mapping application. I am relatively familiar with Python and so i'm looking for a python framework. What are my options? what are the pros and cons of each option? ...
6
votes
2
answers
3k
views
Given a BBOX and Zoom Range, Return All TMS Addresses
Given a bounding box using WGS84 lat long pairs (represented any way, not important to me) and a range of zoom levels, I'd like to be able to generate a CSV representing all standard z/x/y TMS ...
- 441
2
votes
2
answers
407
views
What are my hosting options for an app that needs tilestashe along side a django app?
I'm building a GIS webapp that uses tilestache to serve MBTiles and a django app to serve geoJson. I'm having trouble understanding exactly what kind of setup I'd need to host this. I'm new to server ...
- 155
0
votes
1
answer
1k
views
GDAL tiling error for EPSG: 3857
i have lots of data which was coordinated with gdal some programatic way at below:
gdal_translate -of GTiff -a_ullr %s %s %s %s -a_srs EPSG:3857 %s/%s %s/%s.tif
then for tiling them all i am ...
- 22.6k
5
votes
1
answer
1k
views
Converting x, y, zoom for Calculating tile bounds
i am working on calculating tile bounds lat lon from x,y,z tile coordinate. i have looked gdal2tiles code structure and i have found this good function:
def TileLatLonBounds( tx, ty, zoom ):
"Returns ...
- 22.6k