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Questions tagged [getmap]

A GetMap request is a mandatory operation for an OGC Web Map Service (WMS). The request retrieves a map (a georeferenced image) of some underlying data source.

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GeoServer WMS GetMap request from multiple layers

I'm trying to form a GetMap request for my geoserver that returns data (.png image) from two layers (buildings and roads). Request looks like this: https://mysite.net/geoserver/wms?request=GetMap&...
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1answer
53 views

QGIS Server: SLD and SLD_BODY parameters in GetMap request

Does Qgis server support SLD and SLD_BODY parameters in GetMap request? I'm trying to give a valid .sld to qgis server but it returns empty image in response.
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95 views

GeoServer GetMap with geopackage very slow (with high zoom levels)

I have a GeoServer instance and have imported multiple high res tiff files as layers and created a layergroup from the layers. When I call the WMS endpoint with a specified bbox and the geopackage ...
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44 views

OpenLayers - avoid Parameter 'width' contains unacceptable value error

I am using ol.source.ImageWMS to insert layers into a web map from this WMS. However, I am receiving Parameter 'width' contains unacceptable value error error if my screen + resolution is too high ...
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1answer
98 views

Get PostGIS geometry data and display it on map using GetMapRequest

How can I get the data from PostgreSQL db and display on map using GetMapRequest? I have done connecting the PostgreSQL db which contains the geometry data. Now I want to redirect that data to map ...
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1answer
83 views

Purpose of GetCapabilities and GetMap requests in WMS server [closed]

What is the purpose of GetCapabilities and GetMap request in WMS server? Like how they work when a request is being made to them.
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2answers
54 views

WMS web service - blocking users with wrong referrer?

I would like to to use the WMS url from https://www.alegrodialog.de/profiles/markaspot/modules/mark_a_spot/modules/markaspot_wms/markaspot_wms.js which is about the ALEGrO DC power line. var alegro = ...
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2answers
92 views

add crs to tiff downladed with owslib

I'm using owslib to download an aerial photograph. In the GetMap request I specify a srs, so I assume (maybe wrongly?) that the response I get contains a crs. When writing the result to a GeoTiff the ...
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0answers
244 views

GeoServer 2.9.2 database connection pooling/thread locking issue

I am mocking GetMap requests. Scenario is that 50 users use only "database layers". Each user "sends" 8 GetMap requests every ~22s for ~300s which sums up to 5200 GetMap requests for vector data. ...
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1answer
191 views

How extract TileMatrixSet from GeoServer in order to pass it to create WMTSTileService?

I am trying to mock GetMap requests and had an issue on how to create valid BBox values for the requests so they would HIT the cached layer. I got an answer from Ian Turton How properly calculate BBox ...
3
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1answer
195 views

How properly calculate BBox for mocked GetMap request?

I am trying to imitate GetMap requests for GeoServer and have an application which generates these requests (requests are for cached layers). The problem is that sometimes I get geowebcache-cache-...
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2answers
78 views

Cascading tile layers?

I am getting data (GetMap) from a very slow WMS service. As I need to render the tiles very fast on devices, I was thinking to run a nightly batch on my server which grabs all the tiles and save them ...
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0answers
195 views

How to fill missing high zoom level tiles from MapServer WMS?

I'm creating image tile pyramids (format = MRF) which do not contain all possible tiles at high zoom levels. This is because in some areas the high zoom level tile does not exhibit higher resolution ...
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1answer
99 views

OWSLib getmap - how to encode layernames with non-ascii charaters?

Whenever i think I understand encodings, I don't.. How do I correctly send a layername to the getmap function? running python 2.7 from owslib.wms import WebMapService wms_url = "http://ext-geodata....
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0answers
38 views

Drawing map in QGIS from QGIS plugin [closed]

I am writing a Python plugin for QGIS. In my plugin, I can fetch data by a WMS GetMap request but I can't draw the map in QGIS from the response I got from my GetMap call. Suppose I have a variable ...
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2answers
465 views

Mapserver WMS HTTP POST requests

I have an Mapserver 7.0.4 for WMS GetMap requests currently over GET. Is it possible to send POST GetMap requests to the mapserver? I already searched some other topics and the documentation, it seems ...
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1answer
562 views

Error with MapServer WMS GetMap request, how to fix it?

I got this message when I call GetMap on a MapServer WMS msWMSLoadGetMapParams(): WMS server error. Missing required parameter SRS What causes that problem?
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1answer
118 views

Geoserver WMS and donut polygons

I found something strange in how GeoServer serves WMS, specifically how it draws donut polygons. When the whole polygon is inside WMS GetMap request BBOX, the inner hole of donut polygon is filled. ...
1
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1answer
897 views

HTTP WMS GetMap using default SLD instead of provided one

Im trying to give a sld with my wms getMap request. My issue is that instead of using the provided sld it uses the default one. Am I missing something obvious? Here is the request: http://url.dev/...
1
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1answer
240 views

Catch WMS empty answers with OpenLayers 3

I was wondering if there is a way with OpenLayers 3 to catch problems with WMS layers, such as the service not answering, or not sending any images/tiles. So that in case of errors with a distant WMS ...
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1answer
128 views

Problem loading specific WMS with leaflet

I try to add this WMS in a Leaflet map by using the L.tileLayer.wms. https://glfc72.cfsnet.nfis.org/mapserver/cgi-bin/mapserver.cgi?map=/data/htdocs/glfc.cfsnet.nfis.org/mapserver/fire/public_html/...
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1answer
688 views

Accessing WMS.GetMap as anonymous?

I am using GeoServer 2.6.2. I have a problem with the WMS service. to authenticate the service wms configure the following rule in " List of access to services" wms.GetMap ROLE_AUTHENTICATED ...
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0answers
460 views

GetMap not Working

I just recently installed QGIS, and I am having trouble getting getmap to work. I could use getcapabilities without too much trouble. However, I could not get getmap to work afterwords. Here is the ...
3
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1answer
906 views

GetMap Geoserver Width and Height

I was wondering how to avoid the Geoserver transformation that takes place once you request an image via GetMap by using image/geotiff at the end of the url sentence in the browser. I am ...
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1answer
78 views

Parts needed to run Geoserver/PostGIS from a program like Microsoft Access

I have a fair bit of experience in GIS and Python, but am brand new to developing on the web. I have rented some space on a server and have a PostgreSQL/PostGIS database as well as Geoserver on it. ...
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170 views

Polygons missing from GetMap when stroke symbolizer is absent from SLD

We have an interesting scenario with one of our layers being served via GeoServer 2.2.3. The data is stored in a PostGIS DB. Certain GetMap requests were returning empty tiles, but only at certain ...
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1answer
977 views

GeoServer: Combining multiple raster stores into one WMS layer

I would like to publish a DTM as WMS using GeoServer. For the visual part I have a hill-shaded version of the DTM and the original DTM contains the height as floating points (level above sea). ...
2
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0answers
196 views

GeoServer image generation error

I'm using GeoServer + PostGIS and I got an image generation error when I test my layer in WMS GetMap request: http://localhost:8089/geoserver/pmc/wms?service=WMS&version=1.1.0&request=GetMap&...