ART Render to Arnold

[Anonymous]

Good morning,

I have problem with conversion ART Renderer to Arnold. When I used scene converter I got that picture:

Trees look bad and also there is no "shapes" in road lines. When I used ART render I got that picture:

I want to change renderer because in Arnold I got faster rendering time.

Has somebody any idea what I should do to get good resoults in Arnold? What I need to do or what I need to change?

[Stephen.Blair]

For those tree sprites, you should have a shader set up like one of the following: