Wykaz zmian dla QGIS 2.12

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Release date: 2015-10-23

To jest wykaz zmian dla kolejnego wydania QGIS - nazwa wersji 2.12.0 «Lyon» - pochodzi od miasta, w którym w kwietniu 2012r. odbyło się spotkanie programistów.

Nowe funkcje programu QGIS 2.12 «Lyon»

To jest kolejne wydanie programu w naszej serii 4-miesięcznej. Pozwala ono na zapoznanie się z nowymi funkcjami, nad którymi pracujemy oraz wyznacza kierunki rozwoju QGIS.

QGIS «Lyon» is jam-packed with awesome new features. Special highlights are support for rule based labelling, rule based styling of attribute tables, and advanced geometry checker, support for digitising curve based geometries, better authentication management and much, much more! QGIS 2.12 also has many bug fixes and memory leaks addressed. The features provided in QGIS 2.12 will be included in the next LTR release (slated for release in 2016), so using this release provides you with an excellent opportunity to test new features that will make their way into the next LTR.

Whenever new features are added to software they introduce the possibility of new bugs - if you encounter any problems with this release, please file a ticket on the QGIS Bug Tracker. If you are working in a production environment where you wish to be more conservative about rolling out new features to your users, we also provide a Long Term Release (LTR) version of QGIS. The current LTR is version 2.8.3 and is available at download.qgis.org.

Podziękowania

Dziękujemy programistom, osobom piszącym dokumentację, testerom i wszystkim osobom, które w ramach wolontariatu poświęcają swój czas i wysiłek (lub znajdują chętnych do pomocy).

From the QGIS community we hope you enjoy this release! If you wish to donate time, money or otherwise get involved in making QGIS more awesome, please wander along to qgis.org and lend a hand!

Dziękujemy również naszym oficjalnym sponsorom za nieocenione wsparcie finansowe, które przekazują na rzecz rozwoju projektu:

A current list of donors who have made financial contributions large and small to the project can be seen on our donors list. If you would like to become and official project sponsor, please visit our sponsorship page for details. Sponsoring QGIS helps us to fund our six monthly developer meetings, maintain project infrastructure and fund bug fixing efforts.

QGIS jest wolnym oprogramowaniem i nie masz obowiązku płacić za jego używanie - w rzeczywistości chcemy zachęcić ludzi aby go używano wszędzie, niezależnie od statusu finansowego i społecznego - wierzymy, że wyposażanie ludzi w narzędzia do podejmowania decyzji przestrzennych doprowadzi do ulepszenia społeczeństwa dla całej ludzkości.

Ogólne

Funkcjonalność: Nowy ekran powitalny

Zamiast widoku pustego, białego płótna mapy, po otwarciu programu zobaczysz teraz listę ostatnich projektów wraz z ich miniaturami, aby łatwo i przyjemnie wrócić do pracy wykonywanej w ostatnich sesjach.

Zaprogramował: Matthias Kuhn at OPENGIS.ch

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Funkcjonalność: Kolejne ulepszenia jakości kodu

Through the use of the address sanitizer library, hundreds of memory leaks have been identified and fixed. Automated code scans using Coverity Scan have been regularly used to identify potential issues, and our Coverity defect density is now impressively low at just 0.02 defects per 1000 lines of code. The library of automated unit tests has also grown significantly during 2.12, resulting in more regressions being identified and fixed immediately. In 2.12 we also added continuous testing on OSX, so that every commit is tested against the unit test suite on both Linux and OSX platforms.

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Funkcjonalność: Edytor ustawień zaawansowanych

A new panel has been added to the settings dialog that lets you edit any of the options already defined in your your profile. This is intended for power users only as you could experience unexpected behaviour in QGIS if you change these settings without fully understanding what you are doing.

Zaprogramował: Matthias Kuhn at OpenGIS

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Funkcjonalność: Wzajemne wykluczanie się warstw w grupach na liście warstw

Używając tej opcji możesz tworzyć grupy warstw, w których tylko jedna warstwa w grupie jest widoczna w tym samym czasie. Opcja jest uruchamiana indywidualnie dla grup w menu kontekstowym listy warstw.

Zaprogramowane przez: Martina Dobiasa dla Lutra Consulting on subcontract to Gis3W

Ufundowane przez: Region Toskanii (Włochy) - SITA (CIG: 63526840AE)

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Funkcjonalność: Filtrowanie wartości pól w oknie wyrażenia

When creating an expression that uses values from a field, you can now filter the field values preview panel.

Zaprogramował: Salvatore Larosa

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Funkcjonalność: Możliwość zmiany skórki interfejsu użytkownika

QGIS 2.12 now supports user interface theming support which you can use to customise the appearance of window backgrounds, buttons etc. By default we ship with two themes: Default and Night mapping. The latter is a dark theme which some people may prefer if they find that light themes cause eye strain. If you know a little CSS you can create your own custom themes fairly easily too…

Find out more about theming support by reading Nathan Woodrow’s blog article.

Zaprogramował: Nathan Woodrow

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Funkcjonalność: Nowe funkcje wyrażeń w 2.12

A set of functions for „fuzzy matching” have been added. These include functions for finding the similarity of two strings and also for performing phonetic matching between strings, and allow you to perform filters for records which „nearly match” a specified string.

More geometry based functions have been added, including:

  • num_points(geom) for calculating the number of nodes in a geometry

  • area(geom), length(geom) i``perimeter(geom)``, do obliczania powierzchni, długości i obwodu każdego obiektu geometrycznego. Poprzednio możliwe były pomiary powierzchni, długości i obwodu bieżącego obiektu.

  • start_point(geom), end_point(geom), point_n(geom, n), for retrieving the first, last and numbered points from a geometry

  • make_point(x,y), do ręcznego tworzenia geometrii punktowej

  • x(geom), y(geom) functions which return the x and y coordinate for point geometries or the centroid x/y for non-point geometries

A new project_color function has been added, which allows you to retrieve a color from the project’s color scheme by name. This lets you create «linked colors», where the color of symbol or labeling components can be bound to a color in the project’s color scheme. Update the color in the scheme, and all the linked colors will be automatically refreshed to match!

Ponadto, kilka bardzo użytecznych wyrażeń zostało zaczerpniętych z wtyczki expressions+, włączając w to:

  • color_part: allows retreival of a specific color component (eg red, hue, alpha) from a color

  • set_color_part: allows a specific color component to be overridden, eg alter the alpha value (opacity) of a color

  • day_of_week: zwraca dzień tygodnia jako liczbę

Additionally, the context help for expression functions has been improved for better readability.

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Funkcjonalność: Zmienne i wyrażenia

You can now define custom variables for use in expressions. Variables can be defined at the application global level, project level, layer level and composition level. Just like CSS cascading rules, variables can be overwritten - eg, a project level variable will overwrite any application level variables set. You can use these variables to build text strings or other custom expressions. For example in composer creating a label with this content:

This map was made using QGIS [% @qgis_version %]. The project file for this map is:  [% @project_path %]

Wyświetli etykietę w ten sposób:

This map was made using QGIS 2.12. The project file for this map is:  /gis/qgis-user-conference-2015.qgs

You can manage global variables from the Settings -> Options menu, and project level variables from Project properties (including adding your own custom variables).

Zaprogramował: Nyall Dawson

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Narzędzia analizy

Feature: Added number of vertices to derived fields in identify tool

Using the identify tool on a line feature will now show the number of vertices in the feature as an additional derived attribute.

Funkcjonalność: Narzędzie wpasowywania rastrów

To nowe narzędzie w bibliotece qgis_analysis umożliwia użycie kilku rastrów wejściowych i:

  • przeprojektować do tego samego układu współrzędnych

  • przepróbkować do tego samego rozmiaru komórki i offsetu

  • przyciąć do obszaru zainteresowania

  • przeskalować wartości według potrzeb

Zaprogramował: Martin Dobias dla Lutra Consulting on subcontract to Kartoza

Ufundowane przez: DFAT dla projektu InaSAFE

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Funkcje programu: Wtyczki sprawdzania i dociągania geometrii - Geometry Checker i Geometry Snapper

Two new plugins (which you need to manually enable in the plugin manager) are available for validating and correcting geometries. The Geometry Checker plugin (pictured right) will check and correct your vector dataset for a number of different types of systematic errors and attempt to resolve them for you. After resolving an error, the error list is automatically updated so that if, for example, fixing one error also resolves other errors, all the errors are removed from the issue list.

With the Geometry Snapper tool you can align the edges and vertices of one vector layer to the edges and vertices of a second layer using a user defined tolerance.

Zaprogramował: Sandro Mani w Sourcepole AG

Ufundowane przez Canton of Solothurn

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Opcje projektu i programu

Feature: Encrypted password management

QGIS 2.12 introduces a new authentication system (see PR 2330, QEP 14). Here’s what is included:

  • Master-password-encrypted authentication configurations stored in an SQLite database

  • Authentication method plugin architecture (like data providers)

  • Basic auth method plugin

  • Basic plugin integrated with PostGIS and OWS provider connections

  • Inline with current username/password setup (still fully functional)

  • SSL server connection configurations (save exceptions or custom configs for SSL connection errors)

PKI authentication related:

  • Import extra Certificate Authorities, intermediate cert issuers and personal identity bundles

  • Manage certificate components like in Firefox

  • Authentication method plugins for PEM and PKCS#12 bundles on disk, and for stored personal identities

  • Integrated with OWS provider connections (PostGIS and other databases will take a bit more work)

For shared project scenarios, including a network drive setup, you can edit the authentication configuration (authcfg) ID to something that is shared across users.

Since the authcfg ID is embedded in the project file, each user just needs to make an auth config that has their specific credentials for that resource, then edit the ID (upon creation of config or after) to the same ID in the project file. Then, when the resource loads, the same configuration will be queried on everyone’s QGIS, just with their respective credentials for the authentication method used.

For the Handle Bad Layers dialog, users can Add/Edit/Remove auth configs within the dialog and have the data source URI updated to match. So, in the scenario of a shared project, the user could immediately add an appropriate new auth config (and see exactly what shared authcfg ID should be used) upon project loading .

Currently, the master password auto-set can be set via Python, or by way of a custom C++ plugin, on launch setups using a call to QgsAuthManager::instance()->setMasterPassword( "mypassword", true ), or by QGIS_AUTH_PASSWORD_FILE environment variable to set the path to a file with the master password.

Note: for Server, you can also use QGIS_AUTH_DB_DIR_PATH to set the path to a qgis-auth.db directory and QGIS_AUTH_PASSWORD_FILE to set the path to a file with the master password on the server.

PKI example docs: https://github.com/dakcarto/QGIS-Enhancement-Proposals/blob/auth-system/extras/auth-system/pkiuser.rst

Zaprogramował: Larry Shaffer

Ufundowane przez: Boundless Spatial, Inc.

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Przeglądarka

Feature: Improvements to PostGIS connections in browser

The QGIS browser now supports additional functionality for PostGIS connections, including the ability to create, rename and delete schemas, support for renaming and truncating layers and to copy tables from one schema to an other.

Zaprogramował: Nyall Dawson

Table copying by: Jürgen Fischer at norBIT GmbH

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Źródła danych

Feature: PostGIS provider improvements

The following improvements were made to the PostGIS provider:

  • performance improvements for rule based renderer for PostGIS layers

  • added support for compound keys on views

Zaprogramował: Jürgen Fischer w norBIT GmbH

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Zarządzanie danymi

Funkcjonalność: Ulepszenia Menadżera baz danych

There have been a number of improvements to the DB Manager tool:

  • In the DB Manager you can now export your data to any OGR supported data format instead of the Shapefile only that was available in the previous version.

  • Oracle Spatial is now supported in the DBManager

  • When importing data into a table you can use the new import only selected features option to restrict what will be imported.

  • New query windows are now created as tabs to reduce the number of dialogs

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Feature: Conditional formatting for attribute table cells

This is a major improvement to QGIS’s attribute table rendering support. You can now style table cells according to rules. For example you can colour all cells with a population of less than 50 000 in red. The option is enabled via a new icon on the table toolbar at the top right of the attribute table window. You can read more about this feature on Nathan Woodrow’s blog article.

Zaprogramował: Nathan Woodrow

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Feature: Support for relative paths in widgets

For the following edit widget types:

  • Nazwa pliku

  • Zdjęcie

  • Widok strony internetowej

If the path which is selected with the file browser is located in the same directory as the .qgs project file or below, paths are converted to relative paths. This increases portability of a QGIS project with multimedia information attached.

Zaprogramował: Matthias Kuhn at OpenGIS

Ufundowane przez: Alta ehf

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Wektoryzacja

Funkcje programu: Usprawnienie wektoryzacji

In QGIS 2.10 we mentioned that there is a new geometry architecture for QGIS but that not all features were supported in the digitising tools. With QGIS 2.12 we now have editing support for the creation of curves / «circular strings`. Note again that you need to be using a data provider (e.g. PostGIS, GML or WFS) that supports curves. These improvements to the digitising tools were also added in QGIS 2.12:

  • tool to add circular strings with two points and radius

  • tool to add circular strings with start point, curve point and end point

  • allow escape to cancel drawing new features

  • display a node table when editing using node tool, allowing you to manually enter the exact x and y coordinates for nodes, as well as the z and m values (depending on layer type)

Additionally, more of the geometry editing and modification tools were updated to work correctly with layers containing z or m dimensions.

This feature was developed by: Marco Hugentobler at Sourcepole AG

Ufundowane przez Canton of Solothurn

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Etykietowanie

Feature: Data defined quadrant when in „around point” mode

Its now possible to specify a data defined quadrant when a point label is set to the Around Point placement mode. This allows you to manually override the quadrant placement for a specific label while allowing the remaining labels to fall back to automatic placement.

See this article for more details.

Zaprogramował: Nyall Dawson

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Funkcjonalność: Rysowanie etykiet, które zawierają się w poligonach

Do warstw poligonowych została dodana opcja umożliwiająca rysowanie tylko tych etykiet, które całkowicie mieszczą się w obiektach poligonowych.

Zaprogramował: Nyall Dawson

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Feature: Control priority of labeling obstacles

In 2.12 it’s now possible to specify the priority for labeling obstacles. This allows you to make labels prefer to overlap features from certain layers rather than others. The priority can also be data defined so that certain features are more likely to be covered than others. You can also use data defined expressions or fields to control whether a specific feature in layer will act as an obstacle for labels.

Zaprogramował: Nyall Dawson

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Feature: New options to control how polygon layers act as obstacles

New options have been added to control how labels should be placed to avoid overlapping the features in polygon layers. The options are to either avoid placing labels over polygon interiors or avoid placing them over polygon boundaries. Avoiding placing labels over boundaries is useful for regional boundary layers, where the features cover an entire area. In this case it’s impossible to avoid placing labels within these features and it looks much better to avoid placing them over the boundaries between features instead. The result is better cartographic placement of labels in this situation.

See this article for more details.

Zaprogramował: Nyall Dawson

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Feature: Data defined control over label priority

This often-requested feature allows users to set the priority for individual labels. In past releases QGIS allowed setting the label priority for an entire layer, but there was no option to control the priority of features within a layer. Now, you can use a data defined expression or field to prioritize labeling certain features over others within a layer!

See this article for more details

Zaprogramował: Nyall Dawson

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Feature: Option for obstacle-only layers

This allows users to set a layer as just an obstacle for other layer’s labels without rendering any labels of its own. It means that a non-labelled layer can act as an obstacle for the labels in other layers, so they will be discouraged from drawing labels over the features in the obstacle layer, and allows for improved automatic label placement by preventing overlap of labels and features from other layers.

In the screenshot you can see that the Streets have the option „Discourage other labels from covering features in this layer” enabled. The red labels derived from polygon geometries are thus placed to avoid intersection with the street axis. You have to enable „Horizontal” or „Free” on the polygon layer in order to achieve proper results.

Note, that it is also possible to both label a layer, but also act as obstacle layer, by enabling the checkbox „Discourage labels from covering features” in the „rendering” tab of the label settings.

See this article for more details.

Zaprogramował: Nyall Dawson

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Funkcjonalność: Etykietowanie przy użyciu reguł

Labels on features can now be styled using rules to add even more control over placement and styling of labels. Just like the rule based cartographic rendering, label rules can be nested to allow for extremely flexible styling options. For example you can render labels differently based on the size of the feature they will be rendered into (as illustrated in the screenshot).

See blogpost for more details

Zaprogramowane przez: Martina Dobiasa dla Lutra Consulting on subcontract to Gis3W

Ufundowane przez: Region Toskanii (Włochy) - SITA (CIG: 63526840AE)

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Wydruki map

Funkcje programu: Poprawa nawigacji w Atlasie

You can now set a field or expression as the „page name” for atlas compositions. A page number combobox has been added to the atlas toolbar, which shows both a list of available page numbers and names. This allows you to jump directly to a specific page within your atlas.

The page name can also be used within symbology and labeling expressions to allow advanced styling of atlas features based on their page name.

Zaprogramował: Nyall Dawson

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Feature: Custom format for grid annotations

Composer map grid annotations can now be formatted in custom formats, which are evaluated using the expression engine. Now you utilise whatever esoteric grid numbering format your maps require!

Zaprogramował: Nyall Dawson

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Feature: Multiline text handling and automatic text wrapping in composer attribute tables

Composer attribute tables now include full support for multi line strings. Control over the vertical alignment of text within a cell has also been added, along with options for wrapping text on certain characters or automatically calculating text wrapping to fit the size of columns. To enforce automatic text wrapping with automatic row heights, set the column width to a fixed size.

Zaprogramował: Nyall Dawson

This feature was funded bUfundowane przezy: Miasto Uster

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Feature: Advanced customisation of cell background color

This change allows users to set differing colors for alternating rows and columns, first/last row/column and header row within composer attribute tables.

Zaprogramował: Nyall Dawson

Ufundowane przez: Ville de Morges

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Feature: Add fit page to contents option and options for cropping exports to contents

A new option has been added in the composition panel to resize a composition to its contents, with optional extra margins if required.

Composer exports can also be cropped to their contents. If selected, this option will make the images output by composer include only the area of the composition with content. There’s also an option for margins to add around the item bounds if required.

If the composition includes a single page, then the output will be sized to include EVERYTHING on the composition. If it’s a multi-page composition, then each page will be cropped to only include the area of that page with items.

A new image export options dialog has been added to facilitate this, which also includes handy shortcuts for overriding the print resolution or exported image dimensions.

Sponsored by: NIWA

Zaprogramował: Nyall Dawson

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Feature: Force vector layers to render as a raster images

A new option has been added under the layer properties, rendering tab to force a vector layer to render as a raster. Extremely detailed layers (eg polygon layers with a huge number of nodes) can cause composer exports in PDF/SVG format to be huge as all nodes are included in the exported file. This can also make the resultant file very slow to work with or open in external programs. Now, you can force these layers to be rasterised on a layer-by-layer basis, so that the exported files won’t have to include all the nodes contained in these layers. The end result is smaller file sizes and PDFs/SVGs which are faster to open.

Zaprogramował: Nyall Dawson

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Feature: Data defined control over map layers and style presets

A new data defined control has been added for the map layers and style presets to show in a composer map. The map layers data defined expression should result in a | (pipe) delimited list of layer names which will be shown in the map, or the style preset data defined expression should result in the name of an existing style preset.

Using this control over map layers allows for „layer-based” atlases, where the map layers should change between atlas pages instead of or in combination with the map extent changing. An example could be an atlas looping over different administrative units and at the same time looping over several historic maps or aerial images.

Zaprogramował: Nyall Dawson

This feature was funded bUfundowane przezy: Miasto Uster

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Funkcjonalność: Opcja ukrycia stron z widoku/eksportu

There’s now an option to hide the display of pages while editing and exporting compositions. This option is useful for compositions which aren’t intended for print and are not bound by any preset page sizes. You can hide the pages, then add and resize items in any way you desire without the visual distraction of page boundaries!

Sponsored by: NIWA

Zaprogramował: Nyall Dawson

Wtyczki

Funkcje programu: Aktualizacja wtyczki GRASS

The GRASS plugin was updated to enable support for GRASS 7. GRASS layers can be browsed and loaded from the QGIS browser or browser panel. GRASS vector data can be edited directly within QGIS. The project contains the following work packages:

  • Plugin library upgrade and multi version build

  • Integracja przeglądarki QGIS z panelem przeglądania

  • Wsparcie mapsetów, modułów i powłoki shell umożliwiające analizę danych

  • edycja warstw wektorowych

For both GRASS 6 and GRASS 7 users you will find that the integration between GRASS and QGIS is much more seamless. You can create GRASS layers directly in the QGIS Browser panel, style GRASS vector layers using standard QGIS styling tools and use familiar QGIS digitising tools to create new vector geometries in a GRASS mapset.

See also QGIS GRASS Plugin Upgrade project page and progress report

Zaprogramował: Radim Blazek

Ufundowane przez: Crowd funding, zobacz project page

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Programmability

Feature: Map tools moved from app->gui

This change allows reuse of map tools from within PyQGIS scripts and Python plugins.

Zaprogramował: Matthias Kuhn at OpenGIS

Ufundowane przez: SIGE

Feature: Editing layers via `with edit(layer):`

Example:

 from qgis.core import edit

with edit(layer):
    f=layer.getFeatures().next()
    f[0]=5
    layer.updateFeature(f)

This will automatically call commitChanges() in the end. If any exception occurs, it will rollBack() all the changes.

Zaprogramował: Matthias Kuhn at OpenGIS

Feature: New API for labeling engine (QgsLabelingEngineV2)

The idea is to make the engine more flexible compared to QgsPalLabeling implementation:

  • abstract dealing with text labels / diagrams from the engine itself

  • allow multiple types of labels per layer

  • support custom label providers (e.g. implemented by plugins)

  • make the labeling engine independent from map rendering engine

  • make it easier to auto-test the labeling engine and its components

See blogpost for more details

Zaprogramowane przez: Martina Dobiasa dla Lutra Consulting on subcontract to Gis3W

Ufundowane przez: Region Toskanii (Włochy) - SITA (CIG: 63526840AE)

Feature: Open scripts in external editor

Pythonistas rejoice - you can now open your scripts in an external editor using the new button added to the console.

Zaprogramował: Nathan Woodrow

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Feature: New classes for PyQGIS programs

A new class QgsStringUtils has been added which allows PyQGIS scripts to utilise the new fuzzy matching algorithms added in 2.12. These include functions for finding the Levenshtein edit distance between two strings and for calculating the soundex phonetic representation of a string. These algorithms have been highly optimized for performance, so they are ready for you to start fuzzy matching across millions of strings!

Zaprogramował: Nyall Dawson

QGIS Server

Feature: QGIS Server Python API

QGIS Server is now packed as a library with an initial (but growing) API and Python bindings. With the new API we have a set of Python tests for the server main component and for the server plugins. Invoking the server from Python is now as easy as:

from qgis.server import QgsServer
headers, body =  QgsServer().handleRequest(my_query_string)

For more information see this article

Zaprogramował i ufundował: Alessandro Pasotti w ItOpen

Funkcjonalność : getMap w formacie dxf

It is now possible to retrieve the result of a GetMap WMS request in DXF format. It supports the same features and options as available in QGIS desktop. With the same limitations.

Sample URL:
http://yourserver.org/cgi-bin/qgismapserver.fcgi?
map=/path/to/your/projectfile.qgs&
SERVICE=WMS&
VERSION=1.3.0&
REQUEST=GetMAP&
FORMAT=application/dxf&
FORMAT_OPTIONS=SCALE:500;MODE:SYMBOLLAYERSYMBOLOGY&
FILE_NAME=youroutputfilename.dxf&
CRS=EPSG:EPSG:21781&
BBOX=695558.73070825,244430.77224034,697158.88528251,245722.25976142&
WIDTH=1042&
HEIGHT=841&
LAYERS=yourdxfexportlayers

See also QGIS as OGC data server for all the available options.

In the screenshot you see QGIS Web Client on the left with the DXF export functionality (utilizing QGIS server) and the same extent viewed in Autodesk TrueView on the right.

Zaprogramował: Marco Hugentobler Sourcepole AG

This feature was funded bUfundowane przezy: Miasto Uster

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Styl

Funkcjonalność: Eksport miniaturek z menadżera stylów

Style manager now allows you to export selected style thumbnails as either SVG or PNG images.

Zaprogramował: Nathan Woodrow

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Feature: New option for limiting size in mm when using map unit sizes

Previously only the option to limit the scale range of the map unit sizes was available. Now you can also choose to limit the corresponding rendered size in mm.

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Feature: Improvements to displacement renderer

  • Allow tolerance in mm/pixels for displacement renderer

  • Możliwość ustawienia przezroczystości kolorów

  • Concentric ring placement mode (allows for more compact display than only with rings)

Zaprogramował: Nyall Dawson

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Funkcjonalność: Wszystkie palety kolorów są teraz edytowalne

In QGIS 2.12 „edit” buttons have been added next to every color ramp choice. This allows you to easily edit an existing color ramp without having to create a new ramp and overwrite the existing one.

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Feature: Improved handling of SVG marker outlines

QGIS 2.12 fixes a number of issues regarding the handling of outlines within SVG marker and SVG fill symbols.

Previous versions of QGIS would render the outlines at a significantly smaller size than set, and drawing SVGs with outline sizes in map units was broken.

These issues have been fixed in QGIS 2.12, but as a result you may need to update your project symbology if you’ve previously set oversized outlines for your symbols to overcome these bugs. In the image you see QGIS 2.12 vs QGIS 2.10 SVG markers in the symbol layer dialogs.

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Funkcjonalność: Dodano piksele do wszystkich list wyboru opcji rozmiar symboli

For all size input widgets there is now a third option „pixel”, next to „mm” and „map units”. This concerns symbol sizes, stroke widths, dash sizes, offsets, etc. This may help, if you design for screens and not for print output.

Zaprogramował: Nyall Dawson

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