GRASS GIS 7.2.0

New features in GRASS 7

Binaries: ​http://grass.osgeo.org/download/software/#g72x

Releases

Stable Release

• tbd

Release Candidate 1 (RC1)

• Release date: DD MMM 2016
• Announcement: https://grass.osgeo.org/news/XX/15/GRASS-GIS-7-2-0RC1-released
• Changelog: ​http://grass.osgeo.org/grass72/source/ChangeLog_7.2.0RC1.gz
• Binaries: ​​http://grass.osgeo.org/download/software/#g72x
• Source code: ​http://grass.osgeo.org/grass72/source/grass-7.2.0RC1.tar.gz (​md5sum)
• SVN Source Code Checkout 7.2.0RC1:

    svn checkout http://svn.osgeo.org/grass/grass/tags/release_YYYYMMDD_grass_7_2_4RC1
  

SVN Source Code

• Milestone: 7.2.0
• SVN Checkout latest 7.2 release branch (including yet unpublished bugfixes):

    svn checkout http://svn.osgeo.org/grass/grass/branches/releasebranch_7_2
  

Overview of changes

A series of stability fixes, manual improvements and a few language translations have been added.

The GRASS GIS 7.2.0RC1 release provides more than XXX fixes and improvements with respect to GRASS GIS 7.0.5.

New modules

• G72:d.frame - Manages display frames on the user's graphics monitor.
• G72:r3.flow - Computes 3D flow lines and 3D flow accumulation.
• G72:r3.gradient - Computes gradient of a 3D raster map and outputs gradient components as three 3D raster maps.
• G72:t.rast.algebra - Apply temporal and spatial operations on space time raster datasets using temporal raster algebra.
• G72:t.rast3d.algebra - Apply temporal and spatial operations on space time 3D raster datasets using temporal 3D raster algebra.
• G72:t.rast.contour - Produces a space time vector dataset of specified contours from a space time raster dataset.
• G72:t.rast.to.vect - Converts a space time raster dataset into a space time vector dataset.
• G72:t.rast.what - Sample a space time raster dataset at specific vector point coordinates and write the output to stdout using different layouts.
• G72:t.vect.algebra - Apply temporal and spatial operations on space time vector datasets using temporal vector algebra.
• G72:v.decimate - Decimates a point cloud.
• G72:v.out.lidar - Export point vector map as a point cloud.
• G72:g.gui.datacatalog - The Data Catalog is a wxGUI component for browsing, modifying and managing GRASS maps.
• G72:g.search.modules - Search for a GRASS GIS module based on keywords (searches descriptions or manuals).
• G72:d.legend.vect - Displays a vector legend in the active graphics frame.

New experimental modules:

• G72:r3.in.lidar - perform 3D binning and statistics on a point cloud (lacks some standard GRASS GIS module features)
• v.in.pdal - import point clouds as vector points using PDAL library and its filters such as ground classification (not included in binaries and distributions)

Removed modules

• v.krige removed from core distribution and moved to addons G72A:v.krige (see #3136 for details) due to instabilities (). Will be reintroduced in future with a better implementation.

Major module changes

• G72:r.in.lidar
  • base_raster option which allows for the conversion to LAS file Z values to height above ground using an existing elevation raster. Additionally, with -d a base_raster is used in its native resolution to enable performing statistics on with coarse resolution while reducing the heights of point using the base_raster in its full resolution.
  • -j option which allows the use of Z values for filtering of points, yet performs statistical analysis on the intensity values
  • intensity_range and intensity_scale to filter and modify intensity values
  • file option to specify list of files (file paths) in a text file (merges multiple LAS files on input as if it would be one file)
• G72:r.mapcalc - fixed bug when some uses of neighborhood modifier gave wrong result (#3067)
• G72:v.in.lidar
  • point cloud decimation (skip, preserve) and subset import (offset, limit)
  • vector mask to limit import to given areas (mask, mask_layer, -i for mask inversion)
• G72:d.legend - added option to show background, show ticks, more control over labels, added title, possible to switch to logarithmic (done within GSoC 2016)
• G72:d.barscale - new option to specify length and units, custom label possible (done within GSoC 2016)
• G72:d.northarrow - added rotation option, more symbols available (done within GSoC 2016)
• G72:d.vect - Legend tab with number of legend-related options (icon_area to represent areas in legend, icon_line to represent lines in legend, legend_label for label to be displayed in legend, -l flag to do not show anything in the legend)
• G72:d.vect.thematic - Legend tab with number of legend-related options (icon_area to represent areas in legend, icon_line to represent lines in legend, legend_title for heading of the section in the legend)
• G72:g.extension - downloads, compiles and installs modules using simplified URLs to GitHub, GitLab and similar services, local directories, remote and local ZIP and TAR files and GRASS GIS Trac, does not require Subversion (svn) anymore for standard GRASS GIS addons (applies to Linux, Mac OS X and other systems with build environment), svnurl option renamed to url (svnurl can still be used)
• G72:i.segment - new method implemented - mean shift

All display modules for vector maps, namely G72:d.vect and G72:d.vect.thematic, now produce a legend file with instructions for G72:d.legend.vect if GRASS_LEGEND_FILE environmental variable is specified (applied in GUI in the background, can be used directly in the command line or scripts).

Minor module changes

• G72:r.patch - speed optimization (approximately 10% faster than previous version)
• G72:r.random.cells - ncells to generate only limited number of cells
• G72:r.in.lidar
  • -n flag to set region according to the newly created raster (useful with -e flag)
  • bug fix for low memory processing option
  • bug fix for extremely large rasters
  • -v to import use only valid points. This is a change of behavior. Previously, invalid points were always ignored. The behavior was removed because of unclear definition of invalid point in libLAS library. No invalid points are filtered out only when requested which makes it consistent with other filters. However, if invalid points are present, user gets a warning message.
• G72:v.in.lidar
  • id_layer, return_layer, class_layer, rgb_layer to store point attributes as layers and categories
  • -c flag to not add unique IDs as category to each point. More points than the category number limit can be imported. This also requires less space on disk and time during import.
  • general improvements to handle large amounts of points
  • zrange option to filter out points based on height
  • -v to use only valid points. This is a change of behavior. Previously, invalid points were always ignored. The behavior was removed because of unclear definition of invalid point in libLAS library. No invalid points are filtered out only when requested which makes it consistent with other filters. However, if invalid points are present, user gets a warning message.
• G72:v.patch - -z and -n flags to work without topology but with z coordinate
• G72:v.random - now accepts much larger numbers as the number of requested points
• G72:v.distance - fix bug when 3D point inside a 2D area was classified as being outside
• G72:d.northarrow - describe arrows in the same way as barscales
• G72:r.fillnulls - add lambda parameter of G7:r.resamp.bspline
• G72:r.rgb - better error message when none of the required options is provided
• G72:v.outlier - added missing 6.4 compatibility option for lambda (lambda_i in 6.4)

GUI changes

• G7:wxGUI + G7:d.mon: new multi-threaded implementation
• new Data tab in Layer Manager for browsing and editing locations and mapsets
  • delete, rename and copy raster, 3D raster and vector maps
  • add map to display if it is from current mapset
  • switch mapset
  • search by name with regular expressions
• new Raster digitizer - draw points, lines, polygons, you can launch it from Map Display drop down selection
• shorter names for Layer Manager tabs
  • Map layers -> Layers, Command console -> Console, Search modules -> Modules, Python shell -> Shell
• GRASS GIS Simple Python editor (accessible from Python tab or toolbar)
• Python editor in modeler has monospaced font and shows white space
• font selection in settings has now preview
• cartography in Map Display:
  • add multiple overlays (legends, scale bars, north arrows, text)
  • new vector legend
  • text is now rendered with G7:d.text instead of wxpython text
  • new color tables which are perceptually uniform: viridis and grass
  • viridis color table is the new default replacing rainbow
• keyboard shortcuts and mouse actions for font size in Console tab
• shorter toolbar for Map Display

PyGRASS changes

• pygrass: ...

Library changes

• libraster: support for new raster data compression methods: NONE, ZLIB, LZ4, BZIP2. Overview:
  • Raster map compression set by export GRASS_COMPRESSOR=XXX, with XXX be
    • NONE (uncompressed)
    • RLE (generic Run-Length Encoding of single bytes)
    • ZLIB (DEFLATE, good speed and compression)
      • with zlib compression levels (export GRASS_ZLIB_LEVEL=X): -1..9 (-1 is default which is level 6)
      • Notes: ZLIB level = 0 tells ZLIB to copy the data as-is from source to destination. In case of CELL maps, the rasterlib itself will then still trim high zero bytes with trim_bytes() which can already reduce the data size considerably, but ZLIB will not compress the data.
    • LZ4 (fastest, low compression)
    • BZIP2 (slowest, high compression)
  • NULL file compression: At time it must be explicitly turned on with export GRASS_COMPRESS_NULLS=1
• vlib: 2D version of Vect_point_in_box() function called Vect_point_in_box_2d()
• color table chanages:
  • DEFAULT_COLOR_TABLE macro which is a string literal with the name of default color table
  • added viridis and grass color tables to lib/gis/colors (visible in G72:r.colors, G72:r3.colors and G72:v.colors)
  • default color table changed from rainbow to viridis
• improvements for standard options and flags description (English in examples, more details about topology and layers)

Map projection changes

• ...

Portability changes

• libiostream uses exception specifiers only for C++ versions older than C++11, so it compiles with C++98, C++11 and C++14 (version dependent exception specifier macros)
• G72:r.viewshed, G72:r.terraflow and G72:i.atcorr now compile with C++11 and C++14 as well as C++98 strict setting thanks to libiostream changes
• G72:r.terraflow now complies with clang++ and strict C++11 syntax (string literal and macro combination syntax)

MS Windows

• G72:r.sim.water and G72:r.sim.sediment now work with more versions of MinGW and MS Windows thanks to better library-executable separation

Manual pages

• New Graphical index of functionality
• New page about GRASS GIS Database which should be used instead of Quickstart (helptext.html) in context of database.
• Topics index page is shorter and and easier to navigate because it does not link to topics with less than three modules
• Topics pages link to the corresponding keyword at the end of the list (link sending somewhere else right at the beginning of the page was misleading)
• significant documentation improvements for G72:r.in.lidar and G72:ps.map

Message translation updates

• ...

New Addons

New addons since GRASS GIS 7.0.0 (for a total of over 230 GRASS GIS 7 addons by this date !):

• G7A:i.gcp: Manages Ground Control Points (GCPs) non-interactively.
• G7A:i.image.bathymetry: Satellite Derived Bathymetry (SDB) from multispectral images
• G7A:i.landsat8.qc: Reclass Landsat8 QA band according to acceptable pixel quality as defined by the user
• G7A:i.landsat8.swlst: Practical split-window algorithm estimating Land Surface Temperature from Landsat 8 OLI/TIRS imagery
• G7A:i.lswt: Compute LSWT from TOA Brightness Temperatures
• G7A:i.ortho.corr: Correct orthophoto taking part of the near orthophotos using the camera angle map
• G7A:i.segment.stats: Calculates statistics describing raster areas
• G7A:i.segment.uspo: Unsupervised segmentation parameter optimization
• G7A:r.change.info: Landscape change assessment
• G7A:r.colors.cubehelix: Create or apply a cubehelix color table to a GRASS raster map
• G7A:r.colors.matplotlib: Convert or apply a Matplotlib color table to a GRASS raster map
• G7A:r.euro.ecosystem: Sets colors and categories of European ecosystem raster data set
• G7A:r.jpdf: From two series of input raster maps, calculates the joint probability function and outputs the probabilities of occurrence in the specified bins.
• G7A:r.mcda.promethee: Multicirtieria decision analysis based on PROMETHEE method
• G7A:r.neighborhoodmatrix: Calculates a neighborhood matrix for a raster map with regions
• G7A:r.object.geometry: Calculates geometry parameters for raster objects.
• G7A:r.out.legend: Create and export image file with legend of a raster map
• G7A:r.quantile.ref: Determines quantile for input value from reference raster map layers.
• G7A:r.randomforest: Provides supervised random forest classification
• G7A:r.series.decompose: Program calculates decomposition of time series X
• G7A:r.terrain.texture: Pit and peak density
• G7A:r.tri: Terrain Ruggedness Index
• G7A:r.vector.ruggedness: Vector Ruggedness Measure
• G7A:r3.what: Queries 3D raster in specified 2D or 3D coordinates.
• G7A:v.class.mlR: Provides supervised support vector machine classification
• G7A:v.clip: Extracts features of input map which overlay features of clip map.
• G7A:v.explode: Explode polylines, splitting them to separate lines (uses v.split + v.category)
• G7A:v.in.gbif: importing of GBIF species distribution data
• G7A:v.in.natura2000: importing of Natura 2000 spatial data of protected areas
• G7A:v.in.osm: Imports OpenStreetMap data into GRASS GIS.
• G7A:v.in.redlist: importing of IUCN Red List Spatial Data
• G7A:v.mapcalc: Overlay and buffer vector maps using vector algebra calculator
• G7A:v.maxent.swd: Export raster values at given point locations as text file in SWD format for input in Maxent
• G7A:v.mrmr: Perform Minimum Redundancy Maximum Relevance Feature Selection on a GRASS Attribute Table
• G7A:v.sort.points: Sorts a vector point map according to a numeric column
• G7A:v.strds.stats: Calculates univariate statistics from given space-time raster datasets based on a vector map
• G7A:v.stream.order: Compute the stream order of stream networks stored in a vector map at specific outlet vector points
• G7A:v.surf.tps: Performs thin plate spline interpolation with regularization and covariables
• G7A:v.tin.to.rast: Converts (rasterize) a TIN map into a raster map
• G7A:v.what.spoly: Queries vector map with overlaping spaghetti polygons (e.g. Landsat footprints) at given location. Polygons must have not intersected boundaries.

Closed tickets

Closed bugs since the last release

#1096

wxModeler: r.mapcalc action should allow to insert maps

#1584

error in r.walk help page

#1672

gcpmanager fails to list source mapsets if non-ascii characters in grass data dir path

#2133

g.parser does call the form.py with full path

#2205

Unicode unequal comparison in location wizard when title contains non-ascii letters

#2239

GRASS 7: v.to.rast -d produces empty raster when used on areas

#2255

g.mlist warnings for layers found in other mapsets

#2261

failed pygrass doctest

#2298

r.stream.order hack= generates order 1 single pixels

#2304

Problems with add category to all features workflow

#2311

PyGRASS points read from map are always 2D although they have z coordinate

#2312

browse button in import vector/raster wrapper for v.in.ogr and r.in.gdal crashes entire GUI

#2318

G7: t.* modules unclear -s flag

#2327

r.diversity = Illegal areas disposition

#2339

wxGUI.Nviz flickering

#2343

GRASS 7: "inf" values break insert statements in v.rast.stats

#2357

r3.info segfaults or reports incorrect values on Windows

#2359

r.stream.distance with a large map

#2364

Error in gunittest get_svn_info()

#2365

gunittest test local input file failure

#2380

d.legend "use" argument makes legend disappear

#2381

lighting/shading for vector objects backward in nviz

#2385

v.in.ogr doesn't use information from dblogin file about external PostgreSQL server

#2410

Python ScriptError

#2416

t.vect.export using no compression argument results in creation of an archive

#2423

r.series.interp missing in wxGUI menu

#2439

g.gui.iclass crashes

#2442

np.float128 does not always exist

#2443

r.in.srtm.region add-on updates for 7.1svn

#2445

r.mask -r removal not working in GRASS 7.1 svn r.62210

#2472

v.in.lidar gives negative point count on large las files

#2479

query raster/vector map(s) does not work with vector layers

#2498

yet another problem with GUI toolbox menu

#2504

Dotted line guiding digitization tool disappeared

#2559

g.gui.metadata not functioning

#2574

v.surf.icw - not working with the last version of grass7

#2575

i.segment threshold error message should be updated

#2644

osx - wxpython 3 64 bit - v.digit gui freeze when digitizing new vector

#2645

mac OSX - wxpython 3 (64 bit) profile surface map fails to start

#2646

mac OSX - wxpython 3 (64 bit) create histogram of raster map fails to start

#2647

mac OSX - wxpython 3 (64 bit) - ps.map fails to generate map preiew

#2650

v.in.ascii - dropdown menu - gui components doesn't get update

#2671

r.surf.idw won't make interpolation

#2677

mapswipe add raster map doesn't work with wxPython 3

#2680

d.mon: input file has incorrect dimensions

#2687

r.info picks map from current Mapset instead of PERMANENT

#2691

Rendering failed: Error reading PPM file

#2694

rendering command layer and adding 3d raster layer broken

#2697

data catalog does not show all raster layers, while showing some non-existing

#2712

WARNING: Unable to rename null file

#2713

GUI hangs when adding vector map from cli

#2731

t.rast.aggregate: ValueError: too many values to unpack

#2741

d.to.rast fails

#2743

v.net.steiner core dump

#2746

g.gui.vdigit fails to start with "PyAssertionError: C++ assertion "GetEventHandler() == this" failed at ../src/common/wincmn.cpp(478) in ~wxWindowBase(): any pushed event handlers must have been removed"

#2758

i.gensigset error G_calloc: unable to allocate 115671215 * 8 bytes of memory at lib/imagery/sigset.c:24

#2765

added "_1" to attribute table's name when working with v.overlay

#2771

r.in.lidar gives error for multiple pass processing

#2778

v.rast.stats: ERROR: Input window changed while maps are open for read.

#2794

Manual: Overly long description lines

#2813

wxplot tools fails with wxPython 3

#2843

g.gui fails to import set_gui_path

#2869

Default locale not found

#2871

lib/iostream/mm.cpp:Fails to build with GCC 6: declaration of ... has a different exception specifier

#2879

grass.script.array cannot read raster on Windows

#2888

r.external wizzard shows "projection match: no" although location was created by one of the dataset

#2899

d.histogram launched from map display toolbar doesn't work

#2920

"query raster/vector map(s)" tool does not work for raster maps

#2928

query tool does not work in wx display

#2932

z values read instead of intensity in r.in.lidar

#2943

Absolute path in TGIS connection can make db inaccessible in a (mixed) multi-user environment

#2945

MD5sum for WinGRASS-7.1.svn-r67975-87-Setup-x86_64.exe does not match md5sum file

#2960

db.login port parameter

#2985

Patch for spelling errors

#2997

python editor refuses to run script with UI after closing GUI dialog

#3000

i.gensig overwrites signature file without warning

#3010

PyGRASS fails to write vector map with attributes

#3011

OSGeo4W-winGRASS71 r68376: starting wxgui fails

#3020

Make N with arrow optional in d.barscale styles

#3022

d.polar ends with ValueError: could not convert string to float: dimensions:

#3035

r.support sets wrong map title

#3044

d.northarrow: transparent color does not work

#3058

unexpected behavior/error message in r.diversity?

#3094

wxGUI: error when profiling a raster map

#3098

problems with legend with categorical data and smooth gradient option

#3106

Transparent legend background does not work with categorical legend

#3118

Some modules fail to compile

#3121

d.barscale and northarrow positioning problem when off-screen rendering

#3123

d.legend.vect: wrong handling of spaces in legend_label

#3126

d.vect: Accents in legend_label cause encoding error

#3131

d.legend.vect workspace file flag problem

#3132

d.mon + d.vect: ERROR: Option <map> does not accept multiple answers

#3152

g.gui.animation issues with stvds and list of vector maps

#3158

r.watershed: PredictorSetup:Horizontal differencing "Predictor" not supported with 64-bit samples

#3161

different results by v.in.ogr --ui and vector import wizzard (data shift)

#3168

Behavior of t.register when r.timestamp was used

#3172

v.what: does not take into account layer information

#3175

g.gui.tplot AttributeError: 'module' object has no attribute 'EVT_COMBOBOX_CLOSEUP'

#3181

i.segment watershed method available but not implemented

#3184

v.vect.stats: errors in counts and statistics

#3185

Maps display differently 7.0.x vs 7.2.svn and 7.3.svn

#3196

workspace - layers are in inverted order after loading saved workspace file

#3201

wxGUI nviz: resolution settings widget broken in wxPython 3

#3207

Create histogram of raster map fails

#3208

Create bivariare scatterplot of raster maps fails

#3212

r.in.wms crashes if server does not exist

#3213

v.net.iso - Segmentation fault

#3214

t.rast.mapcalc: TypeError: object of type 'NoneType' has no len()

Closed wishes since the last release

#947

g.version: new flag for citation info

#1113

layertree to be compatible with DataCatalog

#1203

explain command mapping to wxGUI menus

#1592

GRASSCatalog

#2293

MapSwipe query maps

#2326

Command functions in grass.script.core miss a correct error reporting

#2331

parallelize r.horizon

#2332

change r.horizon output names from "angle index" to "angle"

#2349

CELL raster format: make ZLIB level 3 standard compression instead of RLE

#2353

v.univar says type not supported instead of column does not exist

#2355

g.mlist add parameter to check region

#2408

Force reading of VAR and GISRC files in libgis

#2458

testsuite: cosmetics for percentage output

#2484

store map elements in workspace file

#2486

add parameter for transformation of input data to v.in.ogr/r.in.gdal

#2507

r.in.gdal accepts multiple bands in band option

#2535

Enhancement request - i.segment handle large images above 2 billion pixels

#2563

r.grow.distance: define max distance

#2579

Specify command to be exectued as parameter of grass command

#2592

r.mapcalc: add -l flag

#2611

add stream power index to GRASS GIS

#2632

option in context menu to export vector attribute table

#2638

r.to.vect: ignore Null cells

#2651

Increase maximum number of vector points available

#2663

Add test for r.watershed module

#2668

"Browse" button v.external

#2714

wish: logarithmic legend for raster maps

#2716

availability of r.in.lidar and v.in.lidar without compiling

#2721

t.rast.what: allow stdin and add to GRASS 7.0

#2864

Add link to source code in the documentation pages.

#2866

Let r.import specify "title"

#2937

First r.grow.distance test

#2965

r.neighbors explain count in manual

#3013

support background and border for d.legend

#3014

Add ticks to continuous raster legend

#3015

Add legend title

#3016

Add option to set scalebar length

#3018

Specify custom label for d.northarrow

#3019

Add other existing symbols to d.northarrow

#3026

correction and enhancement of r.in.lidar description

#3031

Rotate symbol for north arrow in d.northarrow

#3032

Add images to the d.northarrow manual page

#3043

Change default color table

#3056

]PATCH] r.patch: disable creation of support files

#3078

ps.map unicode support

#3107

d.correlate: add plotting of axes

#3130

r.out.gdal: add alpha channel support

Closed tasks since the last release

#343

standardize DEG2RAD() etc

#2105

Missing guidelines for testing

#3034

Change the layer options in v.in.lidar to flag or flags with predefined categories

#3038

Decide if validity check in r.in.lidar should be an additional filter or a filter enabled by default

#3136

move v.krige to addons