# $Id: tgrlk.dbfawk,v 1.14 2009/01/02 07:53:58 we7u Exp $
#
# Copyright (C) 2003-2009  The Xastir Group
#
# This dbfawk file is used to map arbitrary dbf data that accompanies
# a shapefile into Xastir canoncical values of:
#   key     - search key
#   lanes   - width of feature (usually a road but applies to rivers, etc. too)
#   color   - color to draw the road
#   name    - name of the road for labels
#   filled  - whether a polygon is drawn filled or not
#   fill_color - color to fill polygon with
#   pattern - line pattern for road, river, etc. (0 - solid; 1 - dash; 2 - double dash)
#   display_level - highest zoom level at which to display the feature
#   label_level - highest zoom level at which to display the label
#   symbol  - 3 char 'TIO': table, ID, overlay
# NOTE: This file format is modeled after awk but is nowhere near awk
#  compatible.
#
# This file is used to map US Census Tiger/Line "lk" shapefiles which are
# named tgrSSCCClk[A-H].dbf, where SSCCC are the FIPS state and county codes.

# BEGIN is called once per dbf file which contains multiple records.
BEGIN {
# dbfinfo is the "signature" of the dbf file listing the column names in order.
# dbfinfo should match the dbf file that we say this dbfawk file goes with.
dbfinfo="osm_id:name:type";
# dbffields is which of the above fields we actually want to look at.
# No point reading dbffields that are not looked at further.
dbffields="name:type";
}

# BEGIN_RECORD is called once per dbf record which contains multiple fields.
# Use this rule to re-initialize variables between records.
# use color 11 to highlight stuff that isn't properly mapped.
BEGIN_RECORD {key=""; lanes=1; color=8; fill_color=11; name=""; filled=0; pattern=0; display_level=8192; label_level=32; label_color=8; font_size=0; symbol=""}

# per-field rules are applied to the dbffields that are read from each record.
# key: set the search key to be the Tiger/Line ID.  Not currently used.
#/^TLID=(.*)$/ {key=$1; next}
# name: concatenate FEDIRP (direction prefix), FENAME (name), 
#   FETYPE (type: Rd, Ln, Pky, etc.) and FEDIRS (direction suffix).
# also abbreviate United States Highway to US, etc.
/^name=(.*)/ {name="$1 ";next}
/^type=water/ {lanes=0; color=26; fill_color=26; label_color=26}
/^type=river*/ {lanes=0; color=26; fill_color=26; label_color=26}
/^type=forest/ {lanes=0; color=100; fill_color=100; label_color=100}
/^type=park/ {lanes=0; color=10; fill_color=10; label_color=10}
# (G not used by census;  tig2aprs uses for special maps)
# H: hydrography
# H00 - water feature
# H01 - shoreline of perennial water feature
# H02 - shoreline of intermittent "
# H10 - stream
# H11 - perennial stream
# H12 - intermittent stream
# H13 - braided stream or river
# H20 - canal, ditch or aqueduct
# H21 - perennial "
# H22 - intermittent "
# H30 - lake or pond
# H31 - perennial "
# H32 - intermittent "
# H40 - reservoir
# H41 - perennial "
# H42 - intermittent "
# H50 - bay, estuary, gulf, sound, sea, ocean
# H51 - bay, estuary, gulf or sound
# H52 - sea or ocean
# H60 - gravel pit or quarry filled with water
# H70 - nonvisibile....
# H80 - special water features
# H81 - glacier
#/^CFCC=H/ {lanes=0; color=26; fill_color=26; label_color=26}
#/^CFCC=H02/ {pattern=2; next}
#/^CFCC=H[1-6]2/ {lanes=1; pattern=2; next}
#/^CFCC=H[1-6][013-9]/ {lanes=1; next}
#/^CFCC=H7/ {display_level=0; label_level=0; next}
#/^CFCC=H8/ {lanes=1}
#/^CFCC=H81/ {color=15; fill_color=15; next}
# X00 - feature not yet classified
# just a demo of the END_RECORD and END rules:
#END_RECORD {name="$name ($key)";}
#END {}