diff --git a/.gitignore b/.gitignore
index 956ee68..a14cfb8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -96,4 +96,5 @@ InitTestScene*.unity*
 /[Aa]ssets/Unity.VisualScripting.Generated/VisualScripting.Core/Property Providers.meta
 
 # Auto-generated scenes by play mode tests
-/[Aa]ssets/[Ii]nit[Tt]est[Ss]cene*.unity*
\ No newline at end of file
+/[Aa]ssets/[Ii]nit[Tt]est[Ss]cene*.unity*
+
diff --git a/Assets/GeoData/height_png16/dgm1_32_328_5511.png b/Assets/GeoData/height_png16/dgm1_32_328_5511.png
index 64df56c..019d54a 100644
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diff --git a/Assets/GeoData/height_png16/dgm1_32_328_5512.png b/Assets/GeoData/height_png16/dgm1_32_328_5512.png
index 2f34d49..bb118a3 100644
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diff --git a/Assets/GeoData/height_png16/dgm1_32_328_5513.png b/Assets/GeoData/height_png16/dgm1_32_328_5513.png
index b3d1e50..ef7a6d6 100644
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diff --git a/Assets/GeoData/height_png16/dgm1_32_328_5514.png b/Assets/GeoData/height_png16/dgm1_32_328_5514.png
index 463381c..0d0605a 100644
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diff --git a/Assets/GeoData/height_png16/dgm1_32_328_5515.png b/Assets/GeoData/height_png16/dgm1_32_328_5515.png
index 6e9d262..233af9b 100644
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diff --git a/Assets/GeoData/height_png16/dgm1_32_329_5511.png b/Assets/GeoData/height_png16/dgm1_32_329_5511.png
index f1d7cec..c2d7c8b 100644
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diff --git a/Assets/GeoData/height_png16/dgm1_32_329_5512.png b/Assets/GeoData/height_png16/dgm1_32_329_5512.png
index 0538f11..23f88f8 100644
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diff --git a/Assets/GeoData/height_png16/dgm1_32_329_5513.png b/Assets/GeoData/height_png16/dgm1_32_329_5513.png
index e47fced..104d36b 100644
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diff --git a/Assets/GeoData/height_png16/dgm1_32_329_5514.png b/Assets/GeoData/height_png16/dgm1_32_329_5514.png
index 5abf9fc..5089794 100644
Binary files a/Assets/GeoData/height_png16/dgm1_32_329_5514.png and b/Assets/GeoData/height_png16/dgm1_32_329_5514.png differ
diff --git a/Assets/GeoData/height_png16/dgm1_32_329_5515.png b/Assets/GeoData/height_png16/dgm1_32_329_5515.png
index 2e541be..958b275 100644
Binary files a/Assets/GeoData/height_png16/dgm1_32_329_5515.png and b/Assets/GeoData/height_png16/dgm1_32_329_5515.png differ
diff --git a/Assets/GeoData/tile_index.csv b/Assets/GeoData/tile_index.csv
index e90c858..8d7261b 100644
--- a/Assets/GeoData/tile_index.csv
+++ b/Assets/GeoData/tile_index.csv
@@ -1,11 +1,11 @@
 tile_id,xmin,ymin,xmax,ymax,global_min,global_max,out_res
-dgm1_32_328_5511,327000,5512000,328000,5513000,123.80899810791016,332.37298583984375,1025
-dgm1_32_328_5512,327000,5513000,328000,5514000,123.80899810791016,332.37298583984375,1025
-dgm1_32_328_5513,327000,5514000,328000,5515000,123.80899810791016,332.37298583984375,1025
-dgm1_32_328_5514,327000,5515000,328000,5516000,123.80899810791016,332.37298583984375,1025
-dgm1_32_328_5515,327000,5516000,328000,5517000,123.80899810791016,332.37298583984375,1025
-dgm1_32_329_5511,328000,5512000,329000,5513000,123.80899810791016,332.37298583984375,1025
-dgm1_32_329_5512,328000,5513000,329000,5514000,123.80899810791016,332.37298583984375,1025
-dgm1_32_329_5513,328000,5514000,329000,5515000,123.80899810791016,332.37298583984375,1025
-dgm1_32_329_5514,328000,5515000,329000,5516000,123.80899810791016,332.37298583984375,1025
-dgm1_32_329_5515,328000,5516000,329000,5517000,123.80899810791016,332.37298583984375,1025
+dgm1_32_328_5511,327999.5,5510999.5,329000.5,5512000.5,123.80899810791016,332.37298583984375,1025
+dgm1_32_328_5512,327999.5,5511999.5,329000.5,5513000.5,123.80899810791016,332.37298583984375,1025
+dgm1_32_328_5513,327999.5,5512999.5,329000.5,5514000.5,123.80899810791016,332.37298583984375,1025
+dgm1_32_328_5514,327999.5,5513999.5,329000.5,5515000.5,123.80899810791016,332.37298583984375,1025
+dgm1_32_328_5515,327999.5,5514999.5,329000.5,5516000.5,123.80899810791016,332.37298583984375,1025
+dgm1_32_329_5511,328999.5,5510999.5,330000.5,5512000.5,123.80899810791016,332.37298583984375,1025
+dgm1_32_329_5512,328999.5,5511999.5,330000.5,5513000.5,123.80899810791016,332.37298583984375,1025
+dgm1_32_329_5513,328999.5,5512999.5,330000.5,5514000.5,123.80899810791016,332.37298583984375,1025
+dgm1_32_329_5514,328999.5,5513999.5,330000.5,5515000.5,123.80899810791016,332.37298583984375,1025
+dgm1_32_329_5515,328999.5,5514999.5,330000.5,5516000.5,123.80899810791016,332.37298583984375,1025
diff --git a/Assets/GeoData/tile_index.csv.meta b/Assets/GeoData/tile_index.csv.meta
deleted file mode 100644
index 42d07a0..0000000
--- a/Assets/GeoData/tile_index.csv.meta
+++ /dev/null
@@ -1,7 +0,0 @@
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