Questions tagged [atlas]

A functionality of the QGIS Print Composer.to generate series of maps with a common layout and dynamic content.

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1answer
32 views

How do I prevent labeling outside of the current atlas feature polygon?

I want to create an atlas which is based on region polygons. I use inverted polygons and rule based styles (inverted polygons) for the polygon layer with the rule $id = @atlas_featureid which works ...
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23 views

Atlas - Adding point coordinate icon

I have created an atlas for all countries in the world, and I would like to drop a pin to show the centre of the country (as attached). Is there a way to add these coordinates automatically such as in ...
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49 views

Data Driven map - Atlas, How to automate the filter feature?

I have a Postgres data source that needs to be filtered from hundreds of records to a few records, each time a make a map. Is there a way to automate that, so that the atlas makes map pages for each '...
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1answer
64 views

Filtering data using QGIS Atlas

I have some mining data that I want to filter by year and by bench. The data is something like this: bench year 1 2020 1 2021 1 2022 2 2020 2 2021 2 2022 4 2020 4 ...
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20 views

Print Composer: How to use Print Composer Atlas to swap between columns of linked data

I have a map with an openstreetmap layer and a point-layer, in which linked data (rows of a csv-file) is classified in 5 classes (the values are between 1 and 100). The linked data (csv-file) looks ...
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1answer
34 views

Layer styling with feature 1 but atlas pages generated by feature 2

How can I tell the atlas-composer to display on one page only all geometries with feature two and all the other geometries should be hidden? I have four geometries with two feature-attributes: (1) &...
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2answers
29 views

QGIS HTML in print composer, how to use “if” statement when building an expression?

I'm trying to include some images in a map layout to make an atlas. Currently I'm using the following HTML <img src=[%"FILEPATH_TO_IMAGE"%] height="400"/> However, there are ...
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19 views

QGIS 3.10 (composer) - Legend position changes when exporting the map

I know the question is quite old, since it was first asked here : QGIS map composer changing legend position when exporting atlas as images and here : QGIS composer changing legend position when ...
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1answer
552 views

Styling currently used feature of the Coverage layer of Atlas

I am looking for a way to define a different style just for the currently used feature of the Coverage layer of Atlas. The image below will hopefully make it clearer: the left side is how my ...
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1answer
78 views

QGIS Advanced labeling features with atlas

I'm using the atlas to generate 50-75 page map packages. All pages are at about the same scale but some areas are much denser and have many more labels on a page to display. I am running into the ...
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1answer
38 views

Altas with different numbers of page and maps for every feature

I want to create an atlas and the features to show are OUTSIDE the feature of the layer coverage. The atlas feature 1 is Switzerland, but I want to show all embassy that are geographically OUTSIDE ...
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1answer
31 views

Pyqgis Atlas geometry

I have a QgsLayoutAtlas, I need to capture the geometry of each sheet within a loop project = QgsProject.instance() layout = project.layoutManager().layoutByName('Layout') atlas=layout.atlas () ...
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37 views

Seeking a method to print all visible layers in QGIS (3.10), using Atlas (and a map theme)?

Hope to obtain: sample expressions for printing each visible layer of a project using Print Layout's Atlas functionality Based on @Erik's comments on another question (about changing QGIS behavior), I'...
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44 views

Generating Multiple Maps Grid by grid

I am new to QGIS and wants to develop a method to generate a series of map in the following case: I have a polygon feature shapefile of a state and it has multiple polygons inside it of various ...
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1answer
52 views

Expression-based file name (ATLAS) [closed]

I have a Shapefile file with more than 2,000 elements, with its extensive table of attributes, and I have made a model file, through the Atlas, where a map appears with a zoom of each element and a ...
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1answer
61 views

Varying page size of maps within an Atlas in QGIS?

I would like to create an atlas of a series of maps covering a number of woodlands and to have them all at the same map scale. This would work best visually if some of the maps were in landscape, and ...
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1answer
98 views

Automatically creating themes in QGIS 3.x

I have to make around 1000 maps that represent the same area (it is reclassified satellite image - so raster). Style is the same, only date changes. I figured out how to style all layers in no time ...
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1answer
77 views

PyQGIS control creation Atlas Layout

I have an Atlas Layout and the process of creating the JPG or PDF is very long, and that is why I would be interested in the program informing me what file is being created at that moment and how much ...
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1answer
51 views

pyqgis3 atlas feature scale

i was create a simple export code using pyqgis3 and atlas print composer map layout on QGIS3. my question is about map scale. if i use this line : mapScale = map.scale() i take the scale from map ...
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1answer
31 views

Defining atlas feature margin using PyQGIS3

I want to create a simple atlas composer map using PyQGIS3. My question is about atlas feature scale. I want to use this settings from image. I know this select option but I don't know how to add ...
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1answer
60 views

PyQGIS composer add picture by layer path field

I want to create a atlas composer map using PyQGIS3. How can I take dynamic path by field from atlas layer? In PyQGIS3 I need some like this : pict = QgsLayoutItemPicture(layout) pict.setPicturePath(...
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1answer
53 views

QGIS expression to access page-number of atlas for certain features

This question is based on another one that found only a partial solution (workaround) - but there should be a better solution, I'm convinced. However, I'm stuck. Here is what is already clear: In an ...
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59 views

Sum area of features intersecting atlas feature in QGIS

I have AOI layer named "Clusters" which is set as the Atlas coverage layer for my project I want to sum the area(Hectares) of specific intersecting features from my "...
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1answer
78 views

Feature index for atlas

I am working on an atlas project in qgis 3 that is basically roads, towns, and other features for a quite large area. What I would like to add, is an index of all the towns in the atlas area with at ...
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17 views

How to filter multiples features on QGIS Atlas?

I trying to create an atlas with two different features, but want to show were both have with the same field "ROTA". I'm trying to use @atlas_featureid = $id on layer 'SetasRotas_dissolve'(line ...
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43 views

Is it possible to create a unique pivot table for each page of a QGIS Atlas?

I have a shapefile of city points and a LibreOffice spreadsheet of daily information about each city. The data is fine, I successfully built a pivot table in LibreOffice that sums city data over a two ...
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38 views

Line Graphic on QGIS Atlas

I have this attribute table, I would like plot on QGIS Atlas, a line graphic with last 7 days the fire events, from the day of the Atlas Page Name. For example; Atlas Page name is '2018-08-25', the ...
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28 views

Call last seven day on QGIS Atlas

I use this comand lpad( aggregate('FIRELAYER','count',"CITYwhithFIRE",(to_date("DateHourWhenfirehappens")=to_date(to_date(@atlas_pagename)-to_interval('0 day'))) +(to_date("DateHourWhenfirehappens")...
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19 views

Using another shape database in QGIS Atlas

I have an Atlas where I would like to use values from another shape, to quantify the number of points and use this number to control font size. The shape that is controlling Atlas has a sequence of ...
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1answer
28 views

How can I prevent the Legend from covering each Atlas Feature?

I'm generating an atlas with a set of polygons. I want the legend to be above the map, but to ensure that the legend doesn't actually cover the featured polygon. Is there a way to do this?
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42 views

Atlas automation for rule based symbols QGIS 3.12 [closed]

I am working with a point and polygon data set in atlas and I have enabled rule based symbology. I have already explored and worked with the standard work flow of (is_selected) and else rules. Since ...
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1answer
48 views

Report with relations

I collected field data containing general information about signpost sites (location, altitude, image) and specific information of the particular signs mounted to the singpost (image, direction). One ...
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54 views

Wrongs values returned using the Expression String Builder from the legend items

I want to use the Expression String Builder from the legend items in order to label items with another field. The legend has to be dynamic because I'm using the "Topological coloring" algorithm with a ...
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0answers
25 views

Batch export different map compositions based on the same Atlas

Assume I have an Atlas with the following elements: '001' '002' '003' I also have several compositions named: 'A' 'B' 'C' With the print Atlas function, I can print a PDF per each composition, ...
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1answer
32 views

Show only current atlas feature (line) within current atlas plot

I am using lines as atlas features so that I can rotate the view by the azimuth of the line. How can I have only the current atlas feature printed on the current sheet? I can see how "Within" would ...
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1answer
72 views

Set DPI in QGIS Atlas

How can I set DPI (or reduce quality in some other way) in QGIS 3.12 when exporting Atlas as PDF? My output is 300 MB for 89 A4 pages and the quality/resolution is unnecessarily high. I can't find ...
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1answer
39 views

Automating Atlas Generation With Different Coverage Layers

I'm currently using QGIS 3.10, and have around 60+ coverage layers that each should result in its own atlas pdf-file. All other settings in the print composer would be the same. As I'm not too ...
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1answer
46 views

QGIS Atlas filter with category

I want to create a QGIS Atlas on a point of interest dataset with categorical attribute poi_type. The atlas should have a page for each type (e.g. stadium, hospital, etc.). I can't find the right ...
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1answer
50 views

Use define fixed size rotated SVG symbol controlled by Atlas

I'm working with QGIS 3.10 under FreeBSD 12.1 and trying to use a North direction SVG arrow symbol which is controlled by an atlas. The atlas is driven by a set of map sheets arranged along a winding ...
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1answer
10k views

Setting options in “PDF Export Options” to export an atlas to PDF using PyQGIS

While saving an atlas as PDF in QGIS, I can manually change the settings shown the image using "PDF Export Settings" window. How can I set those options using PyQGIS? Minimal code: layout_manager = ...
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1answer
88 views

Export several configured atlases with a Python script

I'm using @Alexandre Neto's Python code (from July 8 2019) to automatically export predefined atlas layouts, see https://gis.stackexchange.com/questions/272839/export-a-configured-atlas-with-a-python-...
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30 views

QGIS 3.10 atlas / composer, avoid missing text edge of map?

How to avoid missing texts near edge between map images? I have vector topographic map which need to cut through map names. When I create atlas project using Composer, those cutting text are missing ...
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2answers
94 views

Displaying the attribute table with one vertical “row” in an Atlas QGIS

I have an attribute table in QGIS with many columns and just one feature. I want to display it in my atlas with the attributes showing vertically, otherwise it is off the page. Is there a way to do ...
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1answer
141 views

Legend Items in QGIS Atlas

Using the Qgis atlas functions im having trouble with the atlas filtering out the features that do not show up in the map extent. For example i want the full color ramp to show up, even though there ...
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2answers
97 views

Filtering layers in QGIS atlas while displaying them in the canvas

I would like to create and atlas that instead of displaying all the features within a layer, it only displayed those related to the atlas. Certainly, I could do as this excellent answer suggests, ...
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0answers
38 views

Create a report with filter from different layer using Atlas

I have the following scenario: Layer ‘grid’, with a field called ‘number’ Layer ‘log’ with field called ‘number’ in common with ‘grid’ layer and another field called ‘date’ Layer ‘problem’ with field ...
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0answers
109 views

Atlas export using Python: AttributeError: 'NoneType' object has no attribute 'atlas'

I'm trying to export my atlas layout named "Atlas_png", but are getting the error: AttributeError: 'NoneType' object has no attribute 'atlas' (line 27). I have tried to use this examples: Exporting ...
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0answers
48 views

Grouping points by attributes from field with possibly many values

I have a shapefile "cities" with one unique city_id for each city (geometry polygon, although not relevant here) : city_name ; city_id New-York ; 0001 Paris ; 0002 London ; 0003 And a ...
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1answer
44 views

Export QGIS Atlas frames showing ALL the features on a given date

Apologies if this has been covered elsewhere, but I'm trying to generate a bunch of frames (to animate later with ffmpeg) using QGIS Atlas + NASA FIRMS data. I'm using the date column from the FIRMS ...
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1answer
47 views

QGIS atlas: data defined setting for individual scales is not working

I followed the following description of a data defined setting so that each page gets the predefined scale. Atlas Scale Focus off I have two "scale" coloumns with types integer and integer64 and ...

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