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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE Map[]>
<Map background-color="#2a383e" srs="+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over">

  <Style comp-op="color-dodge" filter-mode="first" name="gebco2019webmercator2">
    <Rule>
      <RasterSymbolizer default-color="rgba(0, 0, 0, 0)" default-mode="linear" scaling="bilinear">
        <stop color="#222222" value="0" />
        <stop color="#ebebeb" value="255" />
      </RasterSymbolizer>

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#!/bin/bash

xmlfile=/gebco_template.xml
base_file=$1

export_dir=
export_png=

export_xml=

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#!/bin/bash

FILE_IN=

file_name=$( basename $FILE_IN | sed 's/.tif//' )
output_dir=

div

function gdal_extent_gdalwarp_te() {

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#!/bin/bash

input_extent=
input_png=
output_loc=

function gdal_extent_gdalwarp_te() {
    if [ -z "$1" ]; then
        echo "Missing arguments. Syntax:"
        echo "  gdal_extent <input_raster>"

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<Map srs="+proj=merc +lon_0=100 +lat_ts=-41 +x_0=0 +y_0=0 +datum=WGS84 +units=m +no_defs" background-color="#2a383e">


  <Style name="niwa_twofifty_hs" comp-op="color-dodge">
    <Rule>
      <RasterSymbolizer scaling="bilinear" default-mode="linear" default-color="rgba(0, 0, 0, 0)">
	  <stop value="0" color="#222222"/> 
	  <stop value="255" color="#ebebeb"/></RasterSymbolizer>
    </Rule>
  </Style>

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import csv
import psycopg2
from bs4 import BeautifulSoup
from itertools import zip_longest

#list ids of sql infile
def get_ids():
        connection = psycopg2.connect(user="postgres", password="postgres", host="localhost", port="5432", database="geonetwork")
        cursor = connection.cursor()
        #id_select_query = "SELECT id FROM public.metadata where id = 36344"

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MAPNIK
git clone https://github.com/mapnik/mapnik --depth 10
cd mapnik
git fetch --all --tags --prune
git checkout tags/v3.0.12 -b v3.0.12
git submodule update --init deps/mapbox/variant

./configure
JOBS=4 make

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#!bin/bash

# The purpose of this script is to process the Auckland 1m DEM and DSM elevation
# data into more manageable pieces for easier viewing in QGIS.  The original
# elevation tile downloads from LDS contain 6423 individual tiles. The
# downloaded elevation tiles are reworked into tiffs the same size as the NZ
# LINZ Topo50 Map Sheets 
#(https://data.linz.govt.nz/layer/50295-nz-linz-map-sheets-topo-150k/).  In
# this case, the original data contains an identifier, like 'AZ31', within 
# the tile name that associates it with Topo50 Map Sheets.  This script 

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https://github.com/linz/tile-services/issues/42

https://github.com/linz/tile-services/issues/41

Assuming PNG, 8bit color, and nz mainland coverage only 

NZTM Zoom 15 (1:500 scale): 612850336 tiles
NZTM zoom 16 (1:250 scale): 2451401344 tiles

Webmer Zoom 19 (1:1000 scale): 228236192 tiles

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Polygon ((174.77125777000796347 -41.28547218863692336, 174.81015305524709902 -41.28557115882837536, 174.80995511486418081 -41.31872617296349404, 174.77155468058231236 -41.31862720277204915, 174.77125777000796347 -41.28547218863692336))