Questions tagged [atlas]
A functionality of the QGIS Print Composer.to generate series of maps with a common layout and dynamic content.
291
questions
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1answer
33 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 ...
1
vote
1answer
25 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
31 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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vote
1answer
40 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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0answers
36 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 "...
3
votes
1answer
73 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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0answers
12 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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0answers
38 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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35 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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0answers
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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17 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
22 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?
2
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0answers
34 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 ...
0
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1answer
38 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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0answers
44 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 ...
2
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0answers
19 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, ...
0
votes
1answer
25 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 ...
2
votes
1answer
53 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
34 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 ...
0
votes
1answer
36 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 ...
3
votes
1answer
43 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 ...
3
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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 = ...
2
votes
1answer
69 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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0answers
27 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 ...
5
votes
2answers
75 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 ...
1
vote
1answer
85 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 ...
3
votes
2answers
65 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, ...
2
votes
0answers
31 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 ...
2
votes
0answers
55 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 ...
2
votes
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 ...
2
votes
1answer
34 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 ...
0
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1answer
40 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 ...
2
votes
0answers
47 views
Exporting from Atlas to PDF in QGIS GUI and adding metadata with Python
I'm trying to add metadata to all my PDF files generated by an Atlas export in QGIS 3.10. GUI.
Is there any Python signal to which I can connect a slot, that gets executed when each Atlas page ...
2
votes
1answer
71 views
QGIS 3 Atlas: text box expression for automatically displaying names of all visible features?
I am currently working with the QGIS (3.6) map composer using the atlas tool; it's quite handy, but I've come across a small problem and I'm wondering if there is a solution to this.
The coverage ...
3
votes
1answer
102 views
Make lots of maps at once using QGIS print composer
I have around 1250 maps of species distributions.
Each species is a different shapefile projected on one base-map.
I can use the TomBio addon to export everything as a single map (PNG) without too ...
2
votes
1answer
39 views
Calculating number of rows for seperate objects (shapefiles) at once in QGIS
I have around 750 seperate shapefiles of species distribution data.
For each species i want to calculate the number of atlas squares it occures in. Doing this for each object seperately seems a ...
4
votes
0answers
291 views
Exporting QGIS Atlas using PyQGIS (qgis.core)
Windows 10, PyCharm, QGIS 3.10 installed via osgeo4w (64bit).
I set up a simple QGIS composer layout with a vector layer and a WMS base map on the map layout. The vector layer contains about 10 ...
1
vote
1answer
81 views
Center generated atlas map to features of different layer
I got a problem with setting an Atlas. I have a polygon layer with around 100 polygons, and a line layer.
What i need to do is to generate a map for each polygon and show on the fixed scale (1:500) ...
0
votes
1answer
28 views
qgis atlas: represent only polygons that are within the main polygon [duplicate]
In the following image, the polygon without filling and the polygon with the red filling are two different layers. In my atlas I would like that only those red Polygons are represented that are inside ...
2
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0answers
51 views
Rule-based color in dataPlotly bar chart in Atlas
I have created an Atlas in QGIS 3.10 and have made a bar chart that changes accordingly to the corresponding Atlas feature.
x-axis: area type and y-axis: area in square meters
I also managed to set ...
2
votes
1answer
96 views
QGIS3 Separately rotate the orientation of individual composer atlas maps?
Is it possible to rotate each individual atlas detail map separately?
In creating an atlas for a long linear feature (rivers) to be output in engineering-style pages (11 x 17), it is nice to include ...
2
votes
1answer
307 views
Is it possible to create a dynamic map in QGIS?
My table looks like this:
I’ve already done a Choropleth map with the first attribute of my table.
I would like to do the same Choropleth map with the rest of my attributes. I can’t replicate it ...
3
votes
2answers
117 views
QGIS Atlas Grouping Features by Attribute
I've got the Atlas function down (AWESOME!) and am generating maps for every feature.
What I need to do now is generate maps for groups of features based on a shared attribute.
fid | name | group
...
0
votes
1answer
50 views
Force Atlas to print only pages with selected features in map [duplicate]
I have a layer with around 3000 points. I created a special print composer and I would like an Atlas that will print only pages with the selected features in the map.
Is there a way to force the ...
8
votes
1answer
382 views
Filtering layers in QGIS atlas
In processing several spatial data sets (tbl_data_01, tbl_data_02, tbl_data_03, etc) using FME I establish a spatial table called "tbl_metadata" with information about each of the data set. This table ...
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0answers
28 views
Is there a way to automatically prevent the QGIS print/layout composer from letting grid labels overlap?
I am currently using QGIS 3.6.1 and have just discovered the magic of the Atlas functionalities. Unfortunately now that almost everything is automated I need to find an automated way for QGIS to know ...
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0answers
40 views
QGIS Atlas I want a second map as Overview but not have it on every other page when i print it to pdf
I'm working with QGIS Atlas and I'm showing in my "map1" a polygon layer that jumps through 24 different polygons.
Now I want to add a second or third map (maybe more depending on the polygon layer) ...
1
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1answer
45 views
Two shapes coverage layer QGIS
I have two polygon layers, one is about different land owners boundaries and is used for atlas generation, and the other is about forests inside each property. In atlas generation sometimes i want to ...
1
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1answer
163 views
Varying layout map scale based on layer visibility in QGIS?
I am looking for a method to vary the map scale of a QGIS layout according to the visibility of a layer.
The output should show the minimum scale at which the layer can be seen in the layout from a ...
1
vote
1answer
42 views
How to get pure base topo map without any human made things?
I need detailed world map (preferably vector), just like Google Maps Terrain, but without roads, streets, airports etc. Just pure base map like an atlas with mountains, deserts, rivers, lakes etc. ...
