RONCC/Geografic-Information-System @ 7220ce901b582bd5d61e4c5579150b86c606c5ab

Martin Landa f00d147981 vlib: postgis topology support (work in progress)		13 gadi atpakaļ
..
Makefile	11e44a917a vlib: Vect_read_colors() added	14 gadi atpakaļ
README	3aa7302eb1 spelling	13 gadi atpakaļ
area.c	46cd09da20 Vlib: update for changed fn defs	13 gadi atpakaļ
array.c	1b5c5cea0b fix compilation without gdal/ogr	13 gadi atpakaļ
ascii.c	c756102fbf Vlib: speed up v.out.ascii for multiple column export	13 gadi atpakaļ
box.c	2306002198 vector libs: optimize bbox search	13 gadi atpakaļ
break_lines.c	3852864fb5 Vlib: speed up Vect_break_lines()	13 gadi atpakaļ
break_polygons.c	4d689f12f2 Vlib: static where possible	13 gadi atpakaļ
bridges.c	46cd09da20 Vlib: update for changed fn defs	13 gadi atpakaļ
buffer.c	1b5c5cea0b fix compilation without gdal/ogr	13 gadi atpakaļ
buffer2.c	bcd7de2528 vector lib update for v.buffer (backport from devbr)	14 gadi atpakaļ
build.c	95764a1ee9 Vlib: faster Vect_isle_find_area()	13 gadi atpakaļ
build_nat.c	6bddbcf2f0 vlib: improve PostGIS topology support	13 gadi atpakaļ
build_ogr.c	55e6a4a3ff vlib(pg): skip features without geometry	13 gadi atpakaļ
build_pg.c	f3db19afaf vlib/pg: build isles for PostGIS Topology access	13 gadi atpakaļ
build_sfa.c	9f386c79b7 vlib (pseudo-topo): fix for polygons with more then 20 rings	13 gadi atpakaļ
cats.c	c69464e8a2 Vlib: dox: note about freeing	13 gadi atpakaļ
cindex.c	0a381c333d vlib:cindex.c: cosmetics in doxygen strings	14 gadi atpakaļ
clean_nodes.c	19c13ce399 update headers, revert https://trac.osgeo.org/grass/changeset/37860	14 gadi atpakaļ
close.c	60496bf0ad vlib: when writing to external formats (defined by v.external.out) vector library creates link automatically when closing the map (no need to run v.external explicitly)	13 gadi atpakaļ
close_nat.c	19c13ce399 update headers, revert https://trac.osgeo.org/grass/changeset/37860	14 gadi atpakaļ
close_ogr.c	60496bf0ad vlib: when writing to external formats (defined by v.external.out) vector library creates link automatically when closing the map (no need to run v.external explicitly)	13 gadi atpakaļ
close_pg.c	60496bf0ad vlib: when writing to external formats (defined by v.external.out) vector library creates link automatically when closing the map (no need to run v.external explicitly)	13 gadi atpakaļ
color_read.c	1b5c5cea0b fix compilation without gdal/ogr	13 gadi atpakaļ
color_remove.c	4e31098139 vlib: store alternative color tables to `vcolr2/mapset/name`	14 gadi atpakaļ
color_write.c	1b5c5cea0b fix compilation without gdal/ogr	13 gadi atpakaļ
constraint.c	a658901634 Vlib: dox: updating documentation according to V2_read_next_line_nat etc. where Vect_box_overlap is used	13 gadi atpakaļ
dangles.c	19c13ce399 update headers, revert https://trac.osgeo.org/grass/changeset/37860	14 gadi atpakaļ
dbcolumns.c	19c13ce399 update headers, revert https://trac.osgeo.org/grass/changeset/37860	14 gadi atpakaļ
dgraph.c	f3006b1a43 Vlib dgraph.c: use GRASS_EPSILON	13 gadi atpakaļ
dgraph.h	b06b8a0105 vectorlib:	16 gadi atpakaļ
e_intersect.c	1b5c5cea0b fix compilation without gdal/ogr	13 gadi atpakaļ
e_intersect.h	11cd111cbd Vlib: Vect_line_buffe2(), Vect_area_buffer2(), Vect_point_buffer2() and	16 gadi atpakaļ
field.c	aa07934f02 vlib(pg): report full table name (`schema.table`) for tables from non-public schema	13 gadi atpakaļ
find.c	46cd09da20 Vlib: update for changed fn defs	13 gadi atpakaļ
geos.c	8e11a4e54f add mising headers (compiling without gdal/ogr)	14 gadi atpakaļ
graph.c	19c13ce399 update headers, revert https://trac.osgeo.org/grass/changeset/37860	14 gadi atpakaļ
handler.c	5bcb75e3b6 vlib: free allocated string in error_handler_io()	13 gadi atpakaļ
header.c	60496bf0ad vlib: when writing to external formats (defined by v.external.out) vector library creates link automatically when closing the map (no need to run v.external explicitly)	13 gadi atpakaļ
header_finfo.c	e366e85ba4 vlib: separate fInfo-related subroutines into header_finfo.c	13 gadi atpakaļ
hist.c	60496bf0ad vlib: when writing to external formats (defined by v.external.out) vector library creates link automatically when closing the map (no need to run v.external explicitly)	13 gadi atpakaļ
init_head.c	1655b43918 vlib(pg): introduce V1_rewrite_line_pg() and V1_rewrite_line_sfa()	13 gadi atpakaļ
intersect.c	f9b103cf33 Vlib: changed rtree search fn	13 gadi atpakaļ
legal_vname.c	22e3e2d77b replace GR_FATAL_* (rasters), GV_FATAL_* (vectors) by G_FATAL_*	13 gadi atpakaļ
level.c	1ae866496c vlib: unify \file doxygen instruction (cosmetics)	14 gadi atpakaļ
level_two.c	65f72a5848 vlib: allow to optionally maintain list of updated lines/nodes	13 gadi atpakaļ
line.c	c69464e8a2 Vlib: dox: note about freeing	13 gadi atpakaļ
list.c	56130a84b8 fix typo	14 gadi atpakaļ
map.c	1655b43918 vlib(pg): introduce V1_rewrite_line_pg() and V1_rewrite_line_sfa()	13 gadi atpakaļ
merge_lines.c	f0e951bedf remove bounding boxes from vector topology (Radim's TODO): update Vlib	14 gadi atpakaļ
net.c	1b5c5cea0b fix compilation without gdal/ogr	13 gadi atpakaļ
open.c	f00d147981 vlib: postgis topology support (work in progress)	13 gadi atpakaļ
open_nat.c	60496bf0ad vlib: when writing to external formats (defined by v.external.out) vector library creates link automatically when closing the map (no need to run v.external explicitly)	13 gadi atpakaļ
open_ogr.c	5a06915a63 vlib/pg: don't try to read fidx file for vector maps (PostGIS topology access)	13 gadi atpakaļ
open_pg.c	f00d147981 vlib: postgis topology support (work in progress)	13 gadi atpakaļ
overlap.c	d855a1780a Vlib: update constraints which are now hidden in struct	13 gadi atpakaļ
overlay.c	19c13ce399 update headers, revert https://trac.osgeo.org/grass/changeset/37860	14 gadi atpakaļ
pg_local_proto.h	60496bf0ad vlib: when writing to external formats (defined by v.external.out) vector library creates link automatically when closing the map (no need to run v.external explicitly)	13 gadi atpakaļ
poly.c	46cd09da20 Vlib: update for changed fn defs	13 gadi atpakaļ
read.c	694db7ff41 partly revert https://trac.osgeo.org/grass/changeset/51975 - keep two level (level 3 is reserved for 3D topology)	13 gadi atpakaļ
read_nat.c	963bdb2b5d vlib: initial support for native reading PostGIS data (without OGR library)	13 gadi atpakaļ
read_ogr.c	a061ff0f0a vlib(pg): improve reading PostGIS features	13 gadi atpakaļ
read_pg.c	e32f8793bb vlib/pg: fix for polygons with more then 20 rings	13 gadi atpakaļ
read_sfa.c	751ffd5c39 Vlib: minor bugfix	13 gadi atpakaļ
remove_areas.c	19c13ce399 update headers, revert https://trac.osgeo.org/grass/changeset/37860	14 gadi atpakaļ
remove_duplicates.c	1b5c5cea0b fix compilation without gdal/ogr	13 gadi atpakaļ
rewind.c	7c8d5a94b1 vlib: first steps for full PostGIS topology support	13 gadi atpakaļ
rewind_nat.c	963bdb2b5d vlib: initial support for native reading PostGIS data (without OGR library)	13 gadi atpakaļ
rewind_ogr.c	963bdb2b5d vlib: initial support for native reading PostGIS data (without OGR library)	13 gadi atpakaļ
rewind_pg.c	fb5b616a45 vlib(pg): follow C indentation rules	13 gadi atpakaļ
rtree_search.c	f9b103cf33 Vlib: changed rtree search fn	13 gadi atpakaļ
select.c	f9b103cf33 Vlib: changed rtree search fn	13 gadi atpakaļ
simple_features.c	40064fc077 vlib: better doxygen documentation for simple_features.c	13 gadi atpakaļ
sindex.c	8397d5e329 Moved ilist from vector lib into libgis	13 gadi atpakaļ
snap.c	4d689f12f2 Vlib: static where possible	13 gadi atpakaļ
tin.c	1ae866496c vlib: unify \file doxygen instruction (cosmetics)	14 gadi atpakaļ
type.c	19c13ce399 update headers, revert https://trac.osgeo.org/grass/changeset/37860	14 gadi atpakaļ
window.c	1ae866496c vlib: unify \file doxygen instruction (cosmetics)	14 gadi atpakaļ
write.c	87f20603fa vlib: doxygen cosmetics	13 gadi atpakaļ
write_nat.c	46cd09da20 Vlib: update for changed fn defs	13 gadi atpakaļ
write_ogr.c	87f20603fa vlib: doxygen cosmetics	13 gadi atpakaļ
write_pg.c	f00d147981 vlib: postgis topology support (work in progress)	13 gadi atpakaļ
write_sfa.c	87f20603fa vlib: doxygen cosmetics	13 gadi atpakaļ

		
				README
			
				   Dangles
  ---------
GRASS doesn't allow areas/islands with dangles. If an island has dangle, it is not built
and attached to outer area and as a consequence, some functions do not work as expected.
For example Vect_area_area() and Vect_find_area().
See comments in build_nat.c: Vect_attach_centroids()

   Category index
  ----------------
Category index is created when Vect_build(), i.e. Vect_build_partial(, GV_BUILD_ALL,) 
is called. Plus_head.cidx_up_to_date is set to 1 if Category index is created.
Any later call to Vect_write_line() / Vect_rewrite_line() / Vect_delete_line() resets
Plus_head.cidx_up_to_date to 0 and doesn't update category index. 
All modules using update on level 2 must call full build, i.e. Vect_build(), at the end.

All features without category are written to category index of field 0. 
The category index also stores type of feature, that makes it possible to find areas
without centroid through category index.