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--- tools:lc4d:tip_contour_axis [2021/05/02 10:37]
Bob Varkevisser created
+++ tools:lc4d:tip_contour_axis [2021/05/02 10:52]
Bob Varkevisser [View X, Y, Z]
@@ Line 1: / Line 1: @@
+====== Contour axis ======
+With the [[tools:lc4d:object_tag_line_types|Object line types]] panel, you can assign which axis you want the contours to run over. You can choose the object’s X, Y or Z axis, or the view (camera's) X, Y or Z axis. The default is the object’s Y-axis.
+===== Object X, Y, Z =====
+| {{:tools:lc4d:contour-axis-1.jpeg?nolink|}} |
+| Original rendered sphere |
+| {{:tools:lc4d:contour-axis-2.gif?nolink|}} | {{:tools:lc4d:contour-axis-3.gif?nolink|}} | {{:tools:lc4d:contour-axis-4.gif?nolink|}} |
+| Object X \\ (default) | Object Z | Object Y  |
+===== View X, Y, Z =====
+The view X, Y and Z options keep the contour lines consistent, no matter what the camera does.
+For example, if you have assigned contour lines to the object’s Z axis, and the camera pans around the object, the contour lines will change their orientation. Thus, assigning contour lines to the object’s X, Y or Z axis is equivalent to painting lines on the object itself. If the camera moves around, those lines will always be on the same place on the object.:
+| {{:tools:lc4d:contour-axis-5.gif?nolink|}} |
+| Object Y \\ (same as above, but camera moved) |
+In contrast, if you make the contour lines relative to the view, these lines will always be consistent with respect to the camera.
+===== How axes are specified =====
+The axis definition for the camera and for the objects are actually different.
+For the object, the Z axis runs up and down and the Y axis runs in and out of the screen. For the camera, the Z axis runs in and out of the screen and the Y axis runs up and down.
+{{:tools:lc4d:contour-axis-6.gif?nolink|}}
 ----
 [[tools:lc4d:start|Go Back]]

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