Qgis Map Layout Templates

[Shelly Takacs]

Thisplugin makes it simple to apply your map to a layout template from your standard templates folder. If you don't have any templates a few is included in the plugin ready for you to add to your QGIS profile.

Reports are, in simplest terms, created by populating a report template with textual and/orspatial data from one or more jobs. It is important to note that reports are generated at the layer/band levelhence the number of reports from a single job will correspond to the number of default bands for the givenjob.

A report is made up of static content (such as logos, disclaimer text etc.) that doesnot change from one report to another. It may also include dynamic content (such as maps or attribute information)that is generated at runtime during the execution process.

The Trends.Earth toolbox provides a number of layout expression variables that can be used to insert dynamiccontent in a layout. Some of these are available at design time while others are only available at runtime.The table below provides a summary of the available variables.

These are characterized by a te_report_ prefix and are available at both design time and runtime. Refer to theReports section for a detailed description of the report settings and corresponding variable names.

This is designed to contain - or provide an allowance to include - more information such as author name. The defaulttemplate is set on an A4 page and includes a layout title, map, legend, scale bar, north arrow, disclaimer text.and logo.

This is designed to be a lighter version of the template with the default one set on an 83mm by 59mm pagesize (in landscape mode) or vice versa in portrait mode and contains a map, legend, north arrow, scale bar, disclaimertext and logo.

You can add items to the template in a similar fashion as defined in the QGIS manual. Trends.Earth expression variables are available inthe Expression Builder dialog and can be inserted in label items as any other QGIS variable.

The next step is to define which templates will be used for which algorithms. This is done through a reportconfiguration file -templates.json- that is created in [base_data_directory]/reports/templates on loading thetoolbox for the first time.

templates.json is a list of report configuration objects where each configuration object corresponds to one ormore scopes. A scope, in this case, refers to an algorithm. A configuration is made up of two parts:

You can limit the available print scales by setting printScales (or defaultPrintScales) in the theme configuration to a list of scale denominators. If the list is empty, the print scale can be freely chosen.

Similarly, you can limit the available print resolutions by setting printResolutions (or defaultPrintResolutions) in the theme configuration to a list of resolutions. If the list is empty, the print resolution can be freely chosen.

External WMS layers are automatically printed if the Print plugin config option printExternalLayers is true (default). Note that printing external WMTS layers is currently not supported by the QGIS Server.

You can select output format for printing layout. Default values are application/pdf, image/jpeg, image/png and image/svg. You can restrict formats to one or more of them by setting the Print plugin config option formats to an array of these formats. See QGIS Server documentation for WMS GetPrint supported formats.

You can set printLayer to a QGIS layer name, or to a resource string (i.e. wms:#). A QGIS layer marked as printLayer will be filtered out from the QWC2 layer tree, and hence will not be displayed in QWC2.

You can also set printLayer to a list ["maxScale": , "name": "", ..., "maxScale": null, "name": ""], ordered in ascending order by maxScale. The last entry should have maxScale null, as the layer used for all remaining scales.

User labels appear as free-text input fields in the QWC2 print dialog. To configure user labels, it is sufficient to add item ids to layout label items in the print layout. The specified id will appear as input field label in the QWC2 print dialog.

The QWC2 print dialog will expose a toggle switch to enable the legend in the print output for layout if the QGIS project contains a second layout named _legend. The layout with the _legend suffix is expected to contain a legend item.

The QGIS Server print templates plugin allows providing a common set of print layouts to projects to avoid having to manage potentially identical print layouts multiple times in the individual projects.

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QGIS is a powerful and versatile open source geographic information system (GIS) that allows you to create, edit, and visualize spatial data. One of the features that makes QGIS stand out is its print composer, which lets you design and export high-quality maps and layouts. But how do you update and manage your print composer templates in QGIS? In this article, we will show you how to do it in six easy steps.

The first step is to create a print composer template that suits your needs and preferences. You can do this by opening a new print composer from the Project menu, or by duplicating an existing one. Then, you can add and arrange the elements you want, such as map, legend, scale bar, title, logo, and so on. You can also customize the properties and styles of each element, such as size, color, font, alignment, and so on. Once you are happy with your template, you can save it as a QPT file from the Layout menu.

The second step is to load a print composer template that you have created or downloaded. You can do this by opening an existing or new print composer, and then choosing Load from Template from the Layout menu. Then, you can browse to the location of the QPT file and select it. The print composer will load the template and display the elements on the canvas. You can then modify or delete any element as you wish.

The third step is to update a print composer template that you have loaded or created. You can do this by making any changes you want to the elements on the canvas, such as adding, removing, or resizing them. You can also change the properties and styles of each element, such as color, font, rotation, and so on. Once you are done with your changes, you can save the updated template as a QPT file from the Layout menu. You can also overwrite the existing template by choosing Save as Default from the Layout menu.

The fourth step is to manage your print composer templates in an organized and accessible way. You can do this by creating folders and subfolders for your templates, and naming them according to their purpose, theme, or project. For example, you can have folders for base maps, thematic maps, reports, posters, and so on. You can also use descriptive and consistent names for your QPT files, such as map_template_1.qpt, report_template_2.qpt, and so on. This will help you find and load your templates faster and easier.

The fifth step is to share your print composer templates with others who use QGIS or want to learn from your work. You can do this by exporting your QPT files to a common location, such as a cloud storage service, a shared drive, or a website. You can also upload your templates to online platforms or repositories that host QGIS resources, such as QGIS Resources Sharing Plugin, QGIS Cloud, or QGIS Hub. This will allow you to collaborate with other QGIS users, or to showcase your skills and creativity.

The sixth and final step is to download print composer templates that others have created and shared. You can do this by browsing the online platforms or repositories that host QGIS resources, such as QGIS Resources Sharing Plugin, QGIS Cloud, or QGIS Hub. You can also search for QPT files on the web using keywords such as QGIS print composer templates download, QGIS map templates download, or QGIS layout templates download. You can then download the QPT files that interest you, and load them in your print composer. You can also modify or customize them as you like.

The 1.1.0 and 1.3.0 WMS standards implemented in QGIS Server providea HTTP interface to request map or legend images generated from a QGIS project.A typical WMS request defines the QGIS project to use, the layers to render aswell as the image format to generate. Basic support is also available for theStyled Layer Descriptor (SLD) standard.

This parameter allows to indicate the map output Spatial Reference System inWMS 1.1.0 and has to be formed like EPSG:XXXX. Note that CRS isalso supported if current version is 1.1.0.

However, a slight difference has to be noticed according to the currentVERSION parameter. Actually, in WMS 1.1.0, coordinates are formedlike minx,miny,maxx,maxy or minlong,minlat,maxlong,maxlat.For example:

As mentioned in GetMap parameters table, MAPis mandatory because a request needs a QGIS project to actually work. However,the QGIS_PROJECT_FILE environment variable may be used to define a defaultQGIS project. In this specific case, MAP is not longer a requiredparameter. For further information you may refer toAdvanced configuration.

This parameter allows to indicate a background color for the map image. Howeverit cannot be combined with TRANSPARENT parameter in case of PNG images(transparency takes priority). The colour may be literal or in hexadecimalnotation.

A subset of layers can be selected with the FILTER parameter. Syntax isbasically the same as for the QGIS subset string. However, there are somerestrictions to avoid SQL injections into databases via QGIS Server. If adangerous string is found in the parameter, QGIS Server will return the nexterror:

It is possible to make attribute searches via GetFeatureInfo and omitthe X/Y parameter if a FILTER is there. QGIS Server then returns infoabout the matching features and generates a combined bounding box in thexml output.

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