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authorGuilhem Moulin <guilhem@fripost.org>2024-06-11 02:42:50 +0200
committerGuilhem Moulin <guilhem@fripost.org>2024-06-11 03:06:50 +0200
commitd1f8a99fd6ebe22a5213857dd4ac03dc7ac654ce (patch)
tree0ad1f7489485165227a7a457afff2152f4ec2086 /config.yml
parent74dd14bccf9b24f06ba80d1cedb1fd7482663257 (diff)
Fix extent logic when the SRS of the output layer is not the destination SRS.
The extent is expressed in config['SRS'] in traditional GIS order (easting/northing ordered: minX, minY, maxX, maxY), but the destination layers might be pre-existing and use other SRS:es or mapping strategy.
Diffstat (limited to 'config.yml')
-rw-r--r--config.yml26
1 files changed, 14 insertions, 12 deletions
diff --git a/config.yml b/config.yml
index 89a32c7..bd9dfc5 100644
--- a/config.yml
+++ b/config.yml
@@ -2,19 +2,21 @@
# Spatial Reference System
SRS: 'EPSG:3006' # a.k.a. SWEREF99 TM, cf. https://epsg.io/3006
-# (2D) extent
+# (2D) extent: minX, minY, maxX, maxY
+#
+# Lantmäteriet uses a tile-scheme where the origin (upper-left corner) is at N8500000
+# E-1200000 (SWEREF99 TM), where each tile is 256×256 pixels, and where the resolution at
+# level 0 is 4096m per pixel.
+#
+# https://www.lantmateriet.se/globalassets/geodata/geodatatjanster/tb_twk_visning_cache_v1.1.0.pdf
+# https://www.lantmateriet.se/globalassets/geodata/geodatatjanster/tb_twk_visning-oversiktlig_v1.0.3.pdf
+#
+# We set the extent to a 4×4 tiles square at level 2 somehow centered on Norrbotten and
+# Västerbotten. This represent a TILEROW (x) offset of 5, and a TILECOL (y) offset of 2.
+# A 4×8 tiles rectangle with the same upper-left and upper-right coordinates can be used
+# to cover the entire country.
+#
extent:
- # Lantmäteriet uses a tile-scheme where the origin (upper-left corner) is at N8500000
- # E-1200000 (SWEREF99 TM), where each tile is 256×256 pixels, and where the resolution
- # at level 0 is 4096m per pixel.
- #
- # https://www.lantmateriet.se/globalassets/geodata/geodatatjanster/tb_twk_visning_cache_v1.1.0.pdf
- # https://www.lantmateriet.se/globalassets/geodata/geodatatjanster/tb_twk_visning-oversiktlig_v1.0.3.pdf
- #
- # We set the extent to a 4×4 tiles square at level 2 somehow centered on Norrbotten and
- # Västerbotten. This represent a TILEROW (x) offset of 5, and a TILECOL (y) offset of 2.
- # A 4×8 tiles rectangle with the same upper-left and upper-right coordinates can be used
- # to cover the entire country.
- 110720
- 6927136 # alternatively 5878560 for the entire country
- 1159296