I'm not sure how to do what you suggest: I'm trying to normalize the red
(u) and green (v) values, so that 1.8=0.8, 3.3=0.3, and so on
see the script below: i need to filter the jagged lines around the edges of
the 0-1 loop... a sort of multisample control?


BackdropNode {
 inputs 0
 name BackdropNode1
 tile_color 0x8e8e3800
 label "normalize values"
 note_font_size 20
 selected true
 xpos -110
 ypos -131
 bdwidth 213
 bdheight 228
}
push $cut_paste_input
Reformat {
 format "512 512 0 0 512 512 1 square_512"
 name Reformat7
 selected true
 xpos 249
 ypos -119
}
set N2f869150 [stack 0]
Roto {
 replace true
 curves {{{v x3f99999a}
  {f 0}
  {n
   {layer Root
    {f 512}
    {t x43800000 x43800000}
    {a}
    {curvegroup Rectangle1 512 bezier
     {{cc
       {f 8192}
       {px
        {1 x42480000}
        {{0}
      {0}}
        {{x42533334 x43a84cce}
      {x43e31998 x43862664}}
        {{0}
      {0}}
        {{0}
      {0}}
        {{x4341cccd x43eeccce}
      {x43e31998 x43862664}}
        {{0}
      {0}}
        {{0}
      {0}}
        {{x4344ccc3 x43f04cca}
      {x439d0889 x43002aa9}}
        {{0}
      {0}}
        {{0}
      {0}}
        {{x4251dde4 x43a82224}
      {x439d0889 x43002aa9}}
        {{0}
      {0}}}}     idem}
     {tx 1 x43a3f333 x43c3f333}
     {a ft x40400000 str 1 spx x43800000 spy x43800000 sb 1 tt x41100000
opc x3f051eb8}}}}}}
 toolbox {selectAll {
  { selectAll str 1 ssx 1 ssy 1 sf 1 }
  { createBezier str 1 ssx 1 ssy 1 sf 1 sb 1 tt 4 }
  { createOpenSpline str 1 ssx 1 ssy 1 sf 1 sb 1 }
  { createBezierCusped str 1 ssx 1 ssy 1 sf 1 sb 1 }
  { createBSpline str 1 ssx 1 ssy 1 sf 1 sb 1 }
  { createEllipse str 1 ssx 1 ssy 1 sf 1 sb 1 tt 8 }
  { createRectangle str 1 ssx 1 ssy 1 sf 1 sb 1 tt 9 }
  { createRectangleCusped str 1 ssx 1 ssy 1 sf 1 sb 1 }
  { brush str 1 ssx 1 ssy 1 sf 1 sb 1 }
  { eraser src 2 str 1 ssx 1 ssy 1 sf 1 sb 1 }
  { clone src 1 str 1 ssx 1 ssy 1 sf 1 sb 1 }
  { reveal src 3 str 1 ssx 1 ssy 1 sf 1 sb 1 }
  { dodge src 1 str 1 ssx 1 ssy 1 sf 1 sb 1 }
  { burn src 1 str 1 ssx 1 ssy 1 sf 1 sb 1 }
  { blur src 1 str 1 ssx 1 ssy 1 sf 1 sb 1 }
  { sharpen src 1 str 1 ssx 1 ssy 1 sf 1 sb 1 }
  { smear src 1 str 1 ssx 1 ssy 1 sf 1 sb 1 }
} }
 toolbar_brush_hardness 0.200000003
 toolbar_source_transform_scale {1 1}
 toolbar_source_transform_center {256 256}
 colorOverlay {0 0 0 0}
 opacity 0.5199999809
 lifetime_type "all frames"
 motionblur_shutter_offset_type centred
 feather_type smooth
 source_black_outside true
 createNewTrack {{-1} "-1\t(none)\t-1" "1000\tNew Track Layer\t1000"}
 name Roto2
 selected true
 xpos 322
 ypos -65
}
Blur {
 size 73
 name Blur2
 selected true
 xpos 322
 ypos -17
}
push $N2f869150
Expression {
 expr0 x/width
 expr1 y/height
 name Expression10
 selected true
 xpos 172
 ypos -63
}
Merge2 {
 inputs 2
 operation plus
 name Merge4
 selected true
 xpos 172
 ypos -11
}
Expression {
 expr0 "r(x,y, 3, 3)%1"
 expr1 "g(x,y, 3, 3)%1"
 channel2 {-rgba.red -rgba.green -rgba.blue none}
 channel3 {none none none -rgba.alpha}
 name Expression11
 selected true
 xpos -41
 ypos -11
}
ColorBars {
 inputs 0
 format "512 512 0 0 512 512 1 square_512"
 name ColorBars1
 selected true
 xpos -304
 ypos -135
}
STMap {
 inputs 2
 uv rgb
 name STMap4
 selected true
 xpos -304
 ypos 217
}
Viewer {
 frame 31
 colour_sample_bbox {0.6171875 0.921875 0.62109375 0.92578125}
 samplepoints {{1.51171875 0.61328125}
   }
 input_process false
 name Viewer1
 selected true
 xpos -304
 ypos 346
}


On Mon, Apr 28, 2014 at 8:51 PM, Elias Ericsson Rydberg <
elias.ericsson.rydb...@gmail.com> wrote:

> Could you not tile your texture before applying it?
>
>
> 2014-04-28 17:35 GMT+02:00 <marlor.l...@gmail.com>:
>
>> Hi,
>>
>> I'm trying to repeat a UVmap when values go beyond 1 or below 0
>> I insert an Expression node like r%1 and g%1 to repeat the normalized
>> values, but I get very hard edges, as if the STMap didn't apply any
>> filtering around the edges of the 0-1 loop
>> I also tried to change the sampled area, putting r(x,y,3,3)%1 into the
>> expression, but it doesn't seem to make a big difference
>>
>> is there a solution?
>>
>> thanks!
>> marco
>>
>> _______________________________________________
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>
>
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