Grammar and spelling

docs/user_guide/nodes/matrix/change_matrix_pivot.rst

@@ -3,21 +3,21 @@ Change Matrix Pivot
 
 Description
 -----------
-This node includes 5 operations which are combined transformation that enable
-you to change the pivot of theinput transformation matrix.
+This node includes 5 operations which are combined transformations that allow
+you to change the pivot of the input transformation matrix.
 
 .. image:: images/change_matrix_pivot_node.png
    :width: 160pt
 
 Demonstration
 -------------
 
-Technically there is no thing called a **Pivot** in mathematics. There is a constant
+Technically there is no such thing as a **Pivot** in mathematics. There is a constant
 pivot which is the **Origin** (point ``(0,0,0)``) of the coordinates space.
 However we can perform a fake transformation to change the pivot of the original transformation.
 
 **Example**: Suppose we have a cube at position ``(2,2,0)``, if you multiplied
-the matrix of the cube by a **Z axis rotation transformation matrix** the cube
+the matrix of the cube by a **Z axis rotation transformation matrix**, the cube
 will rotate around the origin point which is ``(0,0,0)`` and its location will
 linearly change relative to that origin.
 
@@ -35,15 +35,15 @@ it was which is defined mathematically as **adding**.
 .. image:: gifs/change_matrix_pivot_node_example_2.gif
 
 In Animation nodes the pivot is a bit different. Since the location of the object
-is stored in the *Homogeneous Coordinates Transformation Matrix*, its pivot exist
+is stored in the *Homogeneous Coordinates Transformation Matrix*, its pivot exists
 in the objects local space coordinates.
 
 Options
 -------
 
 - **Pivot Matrix**
-    This option allow you to change the pivot using a transformation matrix. This
-    will enable you to set a parent child relation between the matrix and the pivot
+    This option allows you to change the pivot using a transformation matrix. This
+    will aloow you to set a parent child relation between the matrix and the pivot
     matrix. The location of the pivot matrix does not affect the pivot but the
     rotation and the scale does relative to the point ``(0,0,0)``.
 
@@ -52,27 +52,27 @@ Options
 - **Pivot Location**
     This option will let you choose the location of the pivot in 3D space.
     Notice that the original pivot location is in the local space so if you want
-    to better unserstand how this node work, match the pivot of the world space
+    to better unserstand how this node works, match the pivot of the world space
     coordinates and the local space coordinates by placing the object at the point ``(0,0,0)``.
 
 .. image:: gifs/change_matrix_pivot_node_example_4.gif
 
 - **Center And Rotation**
-    This option enable you to change the pivot in the local space coordinates as
+    This option allows you to change the pivot in the local space coordinates as
     well as a built in rotation around the pivot of the world space coordinates.
     Notice that that pivot of the local space coordinates is relative to the
     difference in the world space coordinates.
 
 .. image:: gifs/change_matrix_pivot_node_example_5.gif
 
 - **X Line,Z Direction**
-    This option allow you to set the location of the pivot and orient the
+    This option allows you to set the location of the pivot and orient the
     local space of the transformation matrix to a specific orientation based
     on 2 vectors. A point that make a vector with the origin which define the
     x axis of the local space and a normal vector whic correspond to the local
     z axis of the local space. The default value for the normal vector is the
-    ``(0,0,1)`` which align the the local Z axis with the global Z axis which
-    is the standard orientatioin, however if you change the the normal to be
+    ``(0,0,1)`` which aligns the the local Z axis with the global Z axis which
+    is the standard orientation, however if you change the the normal to be
     ``(1,0,0)`` this means you are aligning the local Z axis with the global
     X axis which means a rotation around the Z axis actually correspond to a
     rotation around the X axis.
@@ -81,7 +81,7 @@ Options
 
 - **X Line, Z line**
     This is exactly like **X Line,Z Direction** explained above, but instead of
-    the normal vector you have a line that define the Z orientation.
+    the normal vector you have a line that defines the Z orientation.
 
 Inputs
 ------

docs/user_guide/nodes/matrix/combine_matrices.rst

@@ -3,7 +3,7 @@ Combine Matrices
 
 Description
 -----------
-This takes a list of transformation matrices and multiply them together in order.
+This takes a list of transformation matrices and performs them together in order.
 
 .. image:: images/combine_matrices_node.png
    :width: 160pt

docs/user_guide/nodes/matrix/compose_matrix.rst

@@ -3,7 +3,7 @@ Decompose Matrix
 
 Description
 -----------
-This node forms a 4x4 transformation matrix based on input translation,rotation and scalling.
+This node forms a 4x4 transformation matrix based on input translation, rotation, and scalling.
 
 .. image:: images/compose_matrix_node.png
    :width: 160pt

docs/user_guide/nodes/matrix/decompose_matrix.rst

@@ -12,29 +12,29 @@ rotation, translation and scale.
 Demonstration
 -------------
 
-In CG applications object's location, rotation and scale are stored in what is
+In CG applications object's location, rotation, and scale are stored in what is
 knows as the **Homogeneous Coordinates Transformation Matrix**.
 
 **Homogeneous Coordinates Transformation Matrix** is a 4x4 matrix where the rotation
 information is stored in the initial 3x3 matrix, location information stored in the
 first 3 rows of the last column and scale information stored in the diagonal of
 the initial 3x3 matrix.
 
-To rotate, translate or scale this object or point, you have to edit this 4x4 matrix
+To rotate, translate, or scale this object or point, you must edit this 4x4 matrix
 in a special way.
 
-To rotate the point you have to multiply the matrix by a special matrix called
-the **Rotation Transformation Matrix**, and this multiplication will result a
+To rotate the point you must multiply the matrix by a special matrix called
+the **Rotation Transformation Matrix**, and this multiplication will result in a
 new matrix representing the rotated point which is the the same as the original
 matrix but with the initial 3x3 matrix changed.
 
-To translate the point you have to multiply the matrix by a special matrix called
-the **Translation Transformaton Matrix**, and this multiplication will result a
+To translate the point you must multiply the matrix by a special matrix called
+the **Translation Transformaton Matrix**, and this multiplication will result in a
 new matrix representing the translated point which is the same as the original
 matrix but with the first 3 rows of the last column changed.
 
-To scale the point you have to multiply the matrix by a special matrix called
-the **Scaling Transformation Matrix**, and this multiplication will result a new
+To scale the point you must multiply the matrix by a special matrix called
+the **Scaling Transformation Matrix**, and this multiplication will result in a new
 matrix representing the scalled point which is the same as the original matrix
 but with the diagonal of the initial 3x3 matrix amplified by a specific factor.
 
@@ -56,13 +56,13 @@ Outputs
 -------
 
 - **Translation**
-    A vector that store the amount of translation in the input matrix, which is
+    A vector that stores the amount of translation in the input matrix, which is
     also the location of the object.
 - **Rotation**
-    An euler that store the amount of rotation in the input matrix, which is
+    An euler that stores the amount of rotation in the input matrix, which is
     also the rotation of the object.
 - **Scale**
-    A vector that store the amount of scalling in the input matrix, which is
+    A vector that stores the amount of scalling in the input matrix, which is
     also the scale of the object.
 
 Advanced Node Settings

docs/user_guide/nodes/matrix/invert_matrix.rst

@@ -3,8 +3,8 @@ Invert Matrix
 
 Description
 -----------
-This node invert the input transformation matrix.
-In other words, this node will return a matrix that reverse the effect of the input matrix.
+This node inverts the input transformation matrix.
+In other words, this node will return a matrix that reverses the effect of the input matrix.
 
 .. image:: images/invert_matrix_node.png
    :width: 160pt

docs/user_guide/nodes/matrix/matrix_math.rst

@@ -3,13 +3,13 @@ Matrix Math
 
 Description
 -----------
-This node enable you to multiple 2 transformation matrices.
+This node aloows you to multiply 2 transformation matrices.
 Multiplying transformation matrices gets you a transformation matrix that will
 perform all the input transformation matrices. So if you multiplied a rotation
-matrix by a translation matrix the reslted matrix is a transformation matrix that
-perform rotation then translation.
+matrix by a translation matrix the resultant matrix is a transformation matrix that
+performs rotation and then translation.
 
-Put in mind that matrix multiplication is non commutative.
+Keep in mind that matrix multiplication is non commutative.
 
 .. image:: images/matrix_math_node.png
    :width: 160pt