Differences

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--- projects:voyc:data_origin [2023/01/23 01:00] – [Countries] jhagstrand
+++ projects:voyc:data_origin [2023/03/13 12:45] (current) – jhagstrand
@@ Line 2: / Line 2: @@
 ====== Data Origin ======
+cd ~/webprod/geosketch/geosketch/datasource/osmtilemill
+wget https://github.com/polpols/OSM-Tilemill/archive/master.zip
+unzip -j master */10m_geography_regions_polys.*
+shp2pgsql -c -W LATIN1 10m_geography_regions_polys plunder.georegions >load.georegions.sql
+psql -d voyccom_plunder -U voyccom_jhagstrand <load.georegions.sql
+====== Previous Data Origin ======
 dec 2022 re-create plunder database in a2hosting
@@ Line 238: / Line 249: @@
 NE2_50M_SR_W.tif
-:10m Natural Earth II, same plus drainage (rivers, lakes) \\
+:10m Natural Earth II, same plus drainage (rivers, lakes) (5x resolution?)\\
-x 10800 pixels\\
+x 10800 pixels,  (2x resolution?) \\
 NE2_HR_LC_SR_W_DR.tif
+cut the tif images into tiles\\
+tilesize pixels: 300 x 300, or 600 x 600\\
+tilesize degrees: 10 x 10\\
+columns * 18 rows = 648 tiles
+  * document hires
+    * file locations
+    * ln -s /home/voyccom/media/data/natural_earth_data/raster/NE2_50M_SR_W.png 50mtex.png
+    * to test local, start browser from the command line
+<code>
+brave-browser --allow-file-access-from-files
+</code>