materials.tex edits

mandelbulber2/manual/chapters/materials.tex

@@ -657,9 +657,9 @@ \subsection{Displacement map texture}\label{materials-texture-displacement}
 
 \subsection{Common options for textures}\label{materials-textures}
 
-Mandelbulber can load textures in following formats: JPEG, PNG, BMP and Radiance HDR. 
+Mandelbulber can load textures in the following formats: JPEG, PNG, BMP and Radiance HDR. 
 
-Default path to texture files can be changes in \emph{File / Preferences} window.
+The default path to the texture files can be changed in \emph{File / Preferences} window.
 
  \simpleImageWithCaptionHalfWidth{img/manual/media/preferences_path_for_textures.png}
  {Default path to texture files}
@@ -668,12 +668,12 @@ \subsection{Common options for textures}\label{materials-textures}
  In the bottom of \emph{Material editor} there are options for texture mapping
 
  \begin{description}
- 	\item[Mapping type] defines way how the texture is wrapped on object surface
+ 	\item[Mapping type] defines how the texture is wrapped on an object surface
  	\begin{itemize}
- 		\item Planar - the texture is stretched on the xy plane
+ 		\item Planar - the texture is stretched onto the xy plane
  		\item Spherical - the texture is projected onto a theoretical sphere
  		\item Cylindrical - the texture is projected onto a theoretical cylinder
- 		\item Cubic - the texture is projected onto a theoretical cube. Cube surface is selected according to surface normal vector.
+ 		\item Cubic - the texture is projected onto a theoretical cube. The cube surface is selected according to surface normal vector.
  	\end{itemize} 
 
 	 \twoImagesWithTwoCaptionsFullWidth
@@ -694,9 +694,9 @@ \subsection{Common options for textures}\label{materials-textures}
 	 {material-texture-cubic}
 	 {H}
 
-	 \item[Texture center] shifts texture in x, y and z directions. Shift by 1 moves texture by size of the texture.
+	 \item[Texture center] shifts the texture in x, y and z directions. A shift by 1 moves the texture by 1 x size of the texture.
 
-	 \item[Texture scale] scales the texture relatively to object size
+	 \item[Texture scale] scales the texture relatively to object size.
 
 	 \threeImagesWithTwoCaptionsFullWidth
 	 {img/manual/media/texture_mapping_scale_05_05_05.png}
@@ -709,7 +709,7 @@ \subsection{Common options for textures}\label{materials-textures}
 	 {Texture scale 2, 2, 2}
 	 {texture-scale-2}
 
-	 \item[Texture rotation] rotates texture around x, y and z axis
+	 \item[Texture rotation] rotates the texture around x, y and z axis.
 
 	 \threeImagesWithTwoCaptionsFullWidth
 	 {img/manual/media/texture_mapping_rot_alpha_45.png}