doc: Scalefactor explanations.

SFTtech · Feb 3, 2021 · e54db58 · e54db58
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diff --git a/doc/media/openage/blendmask_format_spec.md b/doc/media/openage/blendmask_format_spec.md
@@ -85,11 +85,11 @@ image quality with higher zoom levels.
 ```
 # Assume the texture image has a size of 100x100
 scalefactor 1.0  # No scaling, 100x100 at default zoom
-scalefactor 2.0  # 50x50 at default zoom; 100x100 at 2x zoom
-scalefactor 4.0  # 25x25 at default zoom; 100x100 at 4x zoom
+scalefactor 2.0  # scaled down to 50x50 at default zoom; original 100x100 at 2x zoom in
+scalefactor 4.0  # scaled down to 25x25 at default zoom; original 100x100 at 4x zoom in
 
 # Factors <1 result in upscaling
-scalefactor 0.5  # 200x200 at default zoom; 100x100 at 2x zoom
+scalefactor 0.5  # scaled up to 200x200 at default zoom; original 100x100 at 2x zoom out
 ```
 
 

diff --git a/doc/media/openage/terrain_format_spec.md b/doc/media/openage/terrain_format_spec.md
@@ -26,7 +26,8 @@ imagefile <image_id> <filename>
 # selection of blendomatic borders
 blendmask <blend_id> <filename> <priority>
 
-# How much the texture is scaled down at default zoom level
+# the zoom level at which the texture is shown in full detail
+# e.g. scalefactor 2.0 -> full detail at 200% zoom
 scalefactor <factor>
 
 # layer and animation definitions
@@ -221,11 +222,11 @@ image quality with higher zoom levels.
 ```
 # Assume the texture image has a size of 100x100
 scalefactor 1.0  # No scaling, 100x100 at default zoom
-scalefactor 2.0  # 50x50 at default zoom; 100x100 at 2x zoom
-scalefactor 4.0  # 25x25 at default zoom; 100x100 at 4x zoom
+scalefactor 2.0  # scaled down to 50x50 at default zoom; original 100x100 at 2x zoom in
+scalefactor 4.0  # scaled down to 25x25 at default zoom; original 100x100 at 4x zoom in
 
 # Factors <1 result in upscaling
-scalefactor 0.5  # 200x200 at default zoom; 100x100 at 2x zoom
+scalefactor 0.5  # scaled up to 200x200 at default zoom; original 100x100 at 2x zoom out
 ```