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Questions tagged [map-overviews]

A map overview is a smaller map, often simplified, shown on a map to provide some form of context, for example to show location in a country when zoomed in on the main map.

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How do I make a map's background transparent in a layout?

I am trying to add an overview map to my layout. The main map is projected while the overview map is a 'globe' (image below). I want to make the white part of the overview map transparent. I have ...
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GeoServer error adding GeoTIFF coverages with overviews: “Could not list layers from this store”

When I try to add a GeoTIFF as a store on GeoServer, GeoServer fails to add the store, giving the error message java.lang.RuntimeException: Could not list layers for this store, an error occurred ...
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rasterio & cogeo

I am trying to use rasterio to read cloud-optimized geotiff stored in a gc bucket. With method 1, GDAL makes use of the overviews and read is quick. Unfortunately, if the extent is not fully included ...
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Overview creation for postgres tables using Talend Spatial tool

I have successfully setup Talend in my local machine. I could able to generate metadata and publish to csw server using the same. After running the job for generating metadata and publishing metadata,...
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1answer
98 views

How to add other images as TIFF overviews?

TIFF files can contain overviews for quicker loading/displaying at small scales (=more "zoomed out"). These can be generated and added with GDAL's gdaladdo command. gdaladdo will compute the ...
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415 views

OpenLayers OverviewMap not working

I'm using Openlayers 4.6 API and the overviewMap function is not working. I'm using Bingmap areial as basemap. this.map = new ol.Map ({ controls: [new ol.control.OverviewMap()], //, attr ...
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1answer
321 views

Compress GTiff External Overviews with GDAL API

Is it possible to build compressed external overviews with the gdal API? I see examples of using gdaladdo with a COMPRESS_OVERVIEW option passed to the configure flag, but I don't see an equivalent in ...
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1answer
138 views

Multiple Overview Indicators in QGIS

I am creating an atlas with multiple maps in QGIS. Each map is at a scale of roughly 1:12,000 and also includes an overview map at a scale of 1:200,000 in the corner which shows the entire region of ...
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815 views

Overview Panel not displaying layers in QGIS?

I'm learning about the QGIS GUI. I've loaded a sample Alaska raster with the vector lakes layer, and activate the overview panel. However, the layers are not displaying within the panel. The extent ...
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1answer
116 views

How to include an overview map control code in qgis2web code

Please, forum I would like to know how to add an overview map control code in my qgis2web generated OpenLayers code.If am not clear enough the link below demonstrates what I mean https://openlayers....
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2answers
84 views

How make a overview with related scale?

I make map with a overview in QGIS. I try to adjust my overview scale in relation with the first map scale. I explain : I want adjust overview scale with a factor 5 or 50, not fixed scale. When my ...
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Overview map size related to the main map rule

My question is as simple as it's title implies. I have a map scaled in 1:20.000 and print it in a A0 paper. Also, I want to add an overview map in it. I wanted to ask if there is any rule regarding ...
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257 views

Map Overview in QGIS not working?

I am trying to create a map overview of a zoomed in area in Zambia. I am doing this step by step from a very nice tutorial, however, in the 'Map Frame' dropdown list there is nothing to select (See ...
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1answer
141 views

Include map overview details in a legend?

I'm creating a map to show BRUV sites in different marine zones. There are 6 zones (created an overview for each - please see attached image). The zones are individually displayed in smaller map ...
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1answer
1k views

Using a fixed map in the OpenLayers 3 Overview Map

Is there a way to 'lock' the overview map in OpenLayers 3 using a fixed extent? The current implementation resizes the little rectangle and the map. So when I zoom in or out in my map, the map in the ...
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1answer
128 views

Overview for next/previous page in Atlas

I build a map-book for a hiking trail. On every single page is a part of the trail so you can go step by step from page to page - nothing news. But usually there should be a overview on every page for ...