Mapping an orthographic texture to a model I created a model, that is based on an orthographic projection. The orthographic projection also contains the image(s) that I want to map to my model. (Ship model left / Orthographic view and textures right)



I was hoping that there was a way to map this model directly as it is (Model made based off of the projection) to the orthographic view without having to individually map each part to the image. I was able to apply the side view texture to the corresponding side, but when I try to map any other angle, it replaces my old texture. This is what I was able to achieve:



As you can see, when I mapped one side, the top, and all other sides were replaced with what has left over from that side map instead of the part I mapped earlier (I used 'Project From View'). So I was wondering how I could map my model based off of this orthographic projection. Also, this is the only texture that I could obtain, so I won't be able to edit this image in order to change it to match a specific UV map. I would appreciate a precise step by step walkthrough (if possible) on how to accomplish this task.

Note: Using Cyles Render (can't use Blender Render for specific parts in this project) on Blender v2.76
The last piece which is missing in your setup is that Project From View like any other UV unwrap method unwraps all the mesh parts which are selected. 

As you selected the whole mesh and unwrapped it, its UV map was created according to that point of view - for the whole object (so there are intersecting parts on that UV map island you have shown in your screenshot).
The problem is that you want only side of the object to be unwrapped according to that projection and it is very likely that you want the front part of the object to be unwrapped with Project From View executed once your view is oriented accordingly. E.g. this famous person uses UV map made with Project From View executed from the front view:



It looks relatively good from the front view, but the side view is distorted as much as it was visible from the point of view when unwrapping.
So if you want to use Project From View, select only adjacent parts of the mesh according to what is visible while unwrapping, or mark seams and unwrap according to them (the view point won't make any difference then).