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#!/usr/bin/python |
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# Author: Steven D. Lander, RGi |
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# March 18, 2016 |
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# This script assumes world-referenced tile coordinates |
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def gen_bbox(bbox, tiles): |
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if tiles == 1: |
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return ["&BBOX={},{},{},{}".format(bbox[0], |
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bbox[1], bbox[2], bbox[3])] |
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else: |
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sub_count = tiles / 4 |
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min_x, min_y, max_x, max_y = bbox[0], bbox[1], bbox[2], bbox[3] |
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middle_x = ((max_x - min_x) / 2) + min_x |
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middle_y = ((max_y - min_y) / 2) + min_y |
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bbox_ul = [min_x, middle_y, middle_x, max_y] |
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bbox_ur = [middle_x, middle_y, max_x, max_y] |
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bbox_ll = [min_x, min_y, middle_x, middle_y] |
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bbox_lr = [middle_x, min_y, max_x, middle_y] |
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return gen_bbox(bbox_ul, sub_count) + \ |
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gen_bbox(bbox_ur, sub_count) + \ |
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gen_bbox(bbox_ll, sub_count) + \ |
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gen_bbox(bbox_lr, sub_count) |
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base_url = "http://localhost/GPEP/Hybrid-Performance-Test/service?" |
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base_url += "VERSION=1.3.0&REQUEST=GetMap&CRS=CRS:84&WIDTH=256&HEIGHT=256" |
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base_url += "&LAYERS=2&STYLES=,,,,&EXCEPTIONS=xml&FORMAT=image/png" |
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base_url += "&BGCOLOR=0xFEFFFF&TRANSPARENT=TRUE" |
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z_min = 0 |
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z_max = 7 |
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tasks = [(2**x) * (2**x) for x in range(z_min, z_max+1)] |
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bbox = [50.92, 20.63, 78.12, 41.62] |
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bbox_list = [] |
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for task in tasks: |
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for entry in gen_bbox(bbox, task): |
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print(base_url + entry) |
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GitHubRGI /
geopackage-python
