Update demo assets and scripts: replace demo_dna.png with demo_na.png, modify cartoon.pml, and add new scripts for na.pml and sticks.pml while updating existing demo images.

Author: FridrichMethod

assets/demo_cartoon.png

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+# fetch and preprocess the structure
+fetch 6hyj, async=0
+remove sol.
+remove chain B
+
+# set the color scheme
+spectrum b, rainbow2, pol.
+util.cba(144,"resn SEP",_self=cmd)
+
+# set the view
+show spheres, resn SEP
+orient
+
+# render & save
+ray 1920, 1080
+png assets/demo_cartoon.png
+quit

assets/demo_dna.png

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+# fetch and preprocess the structure
+fetch 1ec6, async=0
+remove sol.
+remove chain B + chain C
+
+# set the color scheme
+color grey80, chain A
+set cartoon_transparency, 0.5, chain A
+spectrum b, blue_white_red, chain D
+
+# set the view
+orient
+
+# render & save
+ray 1920, 1080
+png assets/demo_na.png
+quit

assets/demo_na.png

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+# fetch and preprocess the structure
+fetch 3a7r, async=0
+remove sol.
+remove resn SO4
+
+# set the color scheme
+color grey80, pol.
+set cartoon_transparency, 0.8
+util.cba(11,"resn LAQ",_self=cmd)
+util.cba(5274,"br. resn LAQ a. 4",_self=cmd)
+
+# set the view
+show sticks, br. resn LAQ a. 4
+orient
+zoom br. resn LAQ a. 4
+
+# render & save
+ray 1920, 1080
+png assets/demo_sticks.png
+quit

assets/demo_sticks.png

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+# fetch and preprocess the structure
+fetch 2ewn, async=0
+remove chain B
+remove sol.
+
+# set the color scheme
+color_deep lightblue, resi 1-61
+color_deep palegreen, resi 62-270
+color_deep lightpink, resi 271-320
+util.cba(144,"resn BTX",_self=cmd)
+
+# set the view
+show surface, pol.
+orient
+
+# render & save
+ray 1920, 1080
+png assets/demo_surface.png
+quit