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Hot Point of Carrara Leaves not at 0? Not on stem? and Other Issues?

DiomedeDiomede Posts: 15,165
edited September 2021 in Carrara Discussion

Where should a custom leaf model hot point be placed for a custom Carrara plant?

I had been placing the hot point on the stem to attach to the branch.  I think I picked that up in a PhilW intro to Carrara tutorial.  But, when I look at the individual leaves in the Carrara browser, most do not load with the hot point at 0,0,0, and most do not load with the hot point at the end of the stem.  Many seem to load with the hot point z-value at 0.42 feet.  This is true for leaves that come in the Carrara native content pack and Dart's shrub berries.

Did the modeler put the hot point there?  Or is there some sort of conversion going on in the Carrara plant modeler?

Attached are a couple of examples.

leaf hot point 01.png
1625 x 907 - 253K
leaf hot point 02.png
1748 x 903 - 407K
leaf hot point 03.png
1888 x 927 - 431K
Post edited by Diomede on

Comments

  • DiomedeDiomede Posts: 15,165
    edited September 2021

    Another issue - Change in Scaling in Copy Paste

    - I created a custom leaf - created a shading domain for leaf model - saved my leaf to a leaf object folder

    - I created a custom plant and replaced the default leaf with my custom leaf (increased leafless margin but increased leaf size)

    - I converted the plant to another modeler (vertex modeler)

    - I selected by shading domain and copied just the leaves

    - I started a new vertex object and pasted just the leaves

    - the scale of of the pasted leaves does not match the scale of the plant model they were copied from

    aa01 tree shape.png
    1867 x 978 - 410K
    aa03 select by shading domain leaf.png
    1430 x 977 - 601K
    aa04 copy leaves.png
    1081 x 682 - 464K
    aa05 new empty vertex object.png
    1841 x 971 - 410K
    aa06 paste leaves and scaling is off.png
    1807 x 932 - 408K
    Post edited by Diomede on
  • DiomedeDiomede Posts: 15,165

    Although Trunk and Branches will Also Copy Paste to Match Leaves

    bb01 note trunk copy paste will match the leaves so ok maybe.png
    1772 x 951 - 402K
  • DiomedeDiomede Posts: 15,165

    Source forge arbaro site

    Arbaro download | SourceForge.net

     

  • HeadwaxHeadwax Posts: 9,987

    last time I played with the leaves I had the same problem - from memory I just used a preexisting one in the end and made sure my new vertex object had the same hot potint 

    thanks for the arbaro link - had any good results yet?

  • DiomedeDiomede Posts: 15,165

    Headwax said:

    last time I played with the leaves I had the same problem - from memory I just used a preexisting one in the end and made sure my new vertex object had the same hot potint 

    thanks for the arbaro link - had any good results yet?

    No, I haven't revisited the Arbaro program in a very long time, but I intend to soon.

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