Forum topic · General Scripting
By Michele71 · 2010-10-18
Hi man! :)
How do I set the width and height measurements in rendering (setup) that fit a selected object in the top view?
Situation:
I have an object
I create a freecamera in Top Viewport
Renders the camera
The image (vfb) must correspond to an BoundigBox surrounding object
For the first three steps and dummy box are successful, but the last I do not understand how to do...
Do you have any suggestions?
Ciao
Michele
Graph · 2010-10-25
ok i had an hour to kill so i thought why not improve the code and document it.. reason being that i so far havent seen one working approach to scripted baking on any forum
if selection.count > 0 do
(
fn addBP obj =
(
with undo false
(
local oldTM = obj.transform --store the original transformation
obj.transform *= inverse obj.transform --transform back into identity matrix
local size = obj.max - obj.min
local bb=plane width:size.x length:size.y lengthsegs:1 widthsegs:1 name:(obj.name + "_bp") mapCoords:true realWorldMapSize:false
obj.transform = oldTM --return back to original transformation
bb.transform = obj.transform --set rotation and scale of the bbox to match object
bb.center=obj.center --center bbox
bb.pos.z = obj.min.z
)
return #(bb, size)
)
fn resizeBMP file tSize filter:false =
(
with undo false
(
if doesFileExist file do
(
local tBMP = bitmaptex filename:file
local bmp = bitmap tSize.x tSize.y
renderMap tBMP into:bmp size:[bmp.width, bmp.height] filter:filter display:false
tBMP = tSize = factor = undefined
)
return bmp
)
)
fn makeHeightmap objs baseFileName AA:0 = --main baking function obj:needs a nodeArray to bake, baseFileName:needs a fileName to extent by obj name-s for the baked files, AA: needs an integer 0 1 or 2 ; 0 is no filtering wich is fast and 2 is full filtering wich is slower
(
with undo false --no need to undo this stuff so to make it faster disable undo buffer
(
for obj in objs while baseFileName != undefined where isValidNode obj do --loop through the supplied nodeArray as long as the baseFileName is not undefined --saves an extra if statement and also make sure the current obj is valid
(
max create mode --switch to create mode --faster
local fileName = getfilenamepath baseFileName + getFilenameFile baseFileName + "_" + obj.name + getFilenameType baseFileName --create the fileName per object based on the baseFileName and obj.name
local oldRender = renderers.current ; renderers.current = Default_Scanline_Renderer() --save the old renderer to var and assign scanline to render faster --for 2011 id suggest quicksilver over scanline
local oldMat = obj.material ; obj.material = standardmaterial() --save the obj's material to var and assign standard mat so it works fine with any renderer
local temp = (addBP obj) --create the baking plane below the obj --function returns the plane and the boxSize of the obj
local bakingGeo = temp[1] ; select bakingGeo --make new ref to the plane and select it
local bmpSize = if bakingGeo.width > bakingGeo.length then bakingGeo.width else bakingGeo.length --check if its wider than high and set square size accordingly
max modify mode --switch to modify mode so the cage can update
local projMod = Projection() --create a projection mod
addmodifier bakingGeo projMod --add the mod to the plane
projMod.addObjectNode obj --add the obj to the mod
projMod.autowrapCage() --and update the cage
projMod.autoWrapAlwaysUpdate = true --just to be on the save side enable option to always update
max create mode --and back to the faster create mode
local bi = bakingGeo.INodeBakeProperties --add some baking props to the plane
bi.bakeChannel=1 --set map channel used to 1
bi.bakeEnabled = true --enable it
local bp = bakingGeo.INodeBakeProjProperties --add some projection properties to the plane
bp.enabled = true --enable projection
bp.projectionMod = projMod --add the proj/cage mod
bp.BakeSubObjLevels = true --make it use sub object levels
bp.useCage = true --make it use a cage
bp.hitResolveMode = #closest --set hit mode to closest
bp.hitWorkingModel = true --make use of the plane too so we got a 'floor'
bp.heightMapMax = temp[2][3] --set the max height to the relative height of the obj --important
bp.heightMapMin = 0 --set min height to the 'floor' --after all its a flat plane
local currentMapType = HeightMap() --create a heightmap bake element
(
currentMapType.outputSzX=bmpSize ; currentMapType.outputSzY=bmpSize --set width and height of the map
currentMapType.fileType= getFilenameType fileName --set the fileType
currentMapType.filterOn = case AA of (0 : false ; 1 : false ; 2 : true) --and en/disable filtering based on AA setting
bi.addBakeElement currentMapType --now add the new heightmap to bake to the bake props
render rendertype:#bakeSelected outputwidth:bmpSize outputheight:bmpSize progressbar:true vfb:false --render/bake the selected plane with the squaresize previously defined, show progress but no vfb
local newBMP = currentMapType.bitmap --heres the trick, get the bitmap out of the bake element :P
if newBMP != undefined do --check if the bake wasnt aborted
(
newBMP.fileName = fileName --assign the defined fileName to the bitmap
save newBMP --save it
newBMP = resizeBMP fileName [temp[2][1], temp[2][2]] filter:(if AA != 0 then true else false) --now resize it with the function at the top and the given filtering option
newBMP.fileName = fileName --assign the same fileName to the bitmap
save newBMP --and save again
)
newBMP = undefined --to give the gc something to work with and make sure you dont fill up the ram make the map undefined
)
delete bakingGeo --delete the bakingPlane
obj.material = oldMat --reAssign the old mat to the obj
renderers.current = oldRender --and the old renderer
--next loop
)
)
)
-----------------------------------------------------------------------------------------
-----------------------------------------------------------------------------------------
local bFileName = getSaveFileName types:"JPEG File(*.jpg)|*.jpg|Tiff Image File(*.tif)|*.tif|Targa Image File(*.tga)|*.tga|PNG Image File(*.png)|*.png|BMP Image File(*.bmp)|*.bmp|" --get a base-FileName to work with later on
local sel = (selection as array) --save the current selection to a fixed array --important or you might end up baking planes to planes
makeHeightmap sel bFileName AA:1 --call the baking function
select sel --reSelect the old selection
)--END
its not verry dynamic but i think with the comments anyOne can fit it to their needs
its still using a cage not a ray offset value but i bet ill be bored again the next few days so look forward to another improvement, still unsure on how to get the projection going without the mod.. but well see
Michele71 · 2010-10-26
Thank you again for taking the time and patience for my problem :)
You have been extremely useful and very clear :) :) I hope to learn something more from your help ;)
Grazie
Michele
Michele71 · 2010-10-24
Thanks again for your clear and precise explanations Insanto! :)
Graph · 2010-10-24
the size is always the max x or y depending on whats bigger, the only thing is that its squared.. i know there is a solution but oh well .. at the verry least you could rendermap resize it with filtering on should be ok
your approach is valid too but it doesnt work with objects using real world map coords thats why i used this way. and its the same speed to render. (mine doesnt use lighting but needs to resize the map at the end (new code))
there are always many solutions to 1 problem, like my hacky one to the aspect issue :P
you could've tried to solve it propperly but i already know that if you dont switch to scanline and bake with MR you cant solve it so rendermap it is, have phun
if selection.count > 0 do
(
local sel = selection as array
local baseFileName = getSaveFileName types:"JPEG File(*.jpg)|*.jpg|Tiff Image File(*.tif)|*.tif|Targa Image File(*.tga)|*.tga|PNG Image File(*.png)|*.png|BMP Image File(*.bmp)|*.bmp|"
-----------------------------------------------------------------------------------------
-----------------------------------------------------------------------------------------
fn addBP obj =
(
with undo off
(
local oldTM = obj.transform --store the original transformation
obj.transform *= inverse obj.transform --transform back into identity matrix
local size = obj.max - obj.min
local bb=plane width:size.x length:size.y lengthsegs:1 widthsegs:1 name:(obj.name + "_bp") mapCoords:true realWorldMapSize:false
obj.transform = oldTM --return back to original transformation
bb.transform = obj.transform --set rotation and scale of the bbox to match object
bb.center=obj.center --center bbox
bb.pos.z = 0
bb.xray=true
bb.wireColor = obj.wirecolor
)
return #(bb, size)
)
fn resizeBMP file tSize =
(
if doesFileExist file do
(
local tBMP = bitmaptex filename:file
local bmp = bitmap tSize.x tSize.y
renderMap tBMP into:bmp size:[bmp.width, bmp.height] filter:false display:false --to reduce AA enable filtering here
tBMP = tSize = factor = undefined
)
return bmp
)
for obj in sel while baseFileName != undefined where isValidNode obj do
(
max create mode
local fileName = getfilenamepath baseFileName + getFilenameFile baseFileName + "_" + obj.name + getFilenameType baseFileName
local temp = (addBP obj)
local bakingGeo = temp[1]
local bmpSize = if bakingGeo.width > bakingGeo.length then [bakingGeo.width, bakingGeo.width] else [bakingGeo.length, bakingGeo.length] --fuck around with this to change the given bmp size
bakingGeo.pos.z = obj.min.z
select bakingGeo
local oldMat = obj.material
obj.material = standardmaterial()
max modify mode
local projMod = Projection()
addmodifier bakingGeo projMod
projMod.addObjectNode obj
projMod.autowrapCage()
projMod.autoWrapAlwaysUpdate = true
completeRedraw()
local oldRender = renderers.current
renderers.current = Default_Scanline_Renderer()
local fPath=getFilenamePath fileName
local fName=getFilenameFile fileName
local fType = getFilenameType fileName
local bi = bakingGeo.INodeBakeProperties
local bp = bakingGeo.INodeBakeProjProperties
bp.enabled = true
bp.projectionMod = projMod
bp.BakeSubObjLevels = true
bp.useCage = true
bp.hitResolveMode = #closest
bp.hitWorkingModel = true
bp.heightMapMax = temp[2][3]
bi.bakeChannel=1
bi.bakeEnabled = true
local currentMapType = HeightMap()
(
currentMapType.autoSzOn = false
currentMapType.outputSzX=bmpSize[1]
currentMapType.outputSzY=bmpSize[2]
currentMapType.filename=fName
currentMapType.fileType=fType
currentMapType.targetMapSlotName = "none"
currentMapType.filterOn = false
bi.addBakeElement currentMapType
render rendertype:#bakeSelected outputSize:bmpSize outputwidth:bmpSize[1] outputheight:bmpSize[2] progressbar:true /*outputfile:newfileName*/ vfb:false
local newBMP = currentMapType.bitmap
if newBMP != undefined do
(
newBMP.fileName = fileName --(FPath + FName + FType)
save newBMP
newBMP = resizeBMP fileName [temp[2][1], temp[2][2]]
newBMP.fileName = fileName
save newBMP
)
newBMP = undefined
)
bi.removeAllBakeElements()
bi.bakeEnabled = false
renderers.current = oldRender
clearSelection()
delete bakingGeo
obj.material = oldMat
)
)--END Bake
Michele71 · 2010-10-24
Wow! is completely different from what I imagined! It works great and now, I study your solution (very interesting)...
It would be wonderful to determine the size of the bitmap :) Now I see how can proceed.
My solution script for heightmap is not valid? What do you think?
Thank you enormously for the response, resolution and patience you had with me
Best Regards
Michele
Graph · 2010-10-24
its a scope issue, you didnt define d as local higher up than the for loop.. so when the loop ends d ref is gone
aanyways, heres my approach to this:
if selection.count > 0 do
(
local sel = selection as array
local baseFileName = getSaveFileName types:"JPEG File(*.jpg)|*.jpg|Tiff Image File(*.tif)|*.tif|Targa Image File(*.tga)|*.tga|PNG Image File(*.png)|*.png|BMP Image File(*.bmp)|*.bmp|"
-----------------------------------------------------------------------------------------
-----------------------------------------------------------------------------------------
fn addBP obj =
(
with undo off
(
local oldTM = obj.transform --store the original transformation
obj.transform *= inverse obj.transform --transform back into identity matrix
local size = obj.max - obj.min
local bb=plane width:size.x length:size.y lengthsegs:1 widthsegs:1 name:(obj.name + "_bp") mapCoords:true realWorldMapSize:false
obj.transform = oldTM --return back to original transformation
bb.transform = obj.transform --set rotation and scale of the bbox to match object
bb.center=obj.center --center bbox
bb.pos.z = 0
bb.xray=true
bb.wireColor = obj.wirecolor
)
return #(bb, size)
)
for obj in sel while baseFileName != undefined where isValidNode obj do
(
max create mode
local fileName = getfilenamepath baseFileName + getFilenameFile baseFileName + "_" + obj.name + getFilenameType baseFileName
local temp = (addBP obj)
local bakingGeo = temp[1]
local bmpSize = if bakingGeo.width > bakingGeo.length then [bakingGeo.width, bakingGeo.width] else [bakingGeo.length, bakingGeo.length] --fuck around with this to change the given bmp size
bakingGeo.pos.z = obj.min.z
select bakingGeo
local oldMat = obj.material
obj.material = standardmaterial()
max modify mode
local projMod = Projection()
addmodifier bakingGeo projMod
projMod.addObjectNode obj
projMod.autowrapCage()
projMod.autoWrapAlwaysUpdate = true
completeRedraw()
local oldRender = renderers.current
renderers.current = Default_Scanline_Renderer()
local fPath=getFilenamePath fileName
local fName=getFilenameFile fileName
local fType = getFilenameType fileName
local bi = bakingGeo.INodeBakeProperties
local bp = bakingGeo.INodeBakeProjProperties
bp.enabled = true
bp.projectionMod = projMod
bp.BakeSubObjLevels = true
bp.useCage = true
bp.hitResolveMode = #closest
bp.hitWorkingModel = true
bp.heightMapMax = temp[2][3]
bi.bakeChannel=1
bi.bakeEnabled = true
local currentMapType = HeightMap()
(
currentMapType.autoSzOn = false
currentMapType.outputSzX=bmpSize[1]
currentMapType.outputSzY=bmpSize[2]
currentMapType.filename=fName
currentMapType.fileType=fType
currentMapType.targetMapSlotName = "none"
currentMapType.filterOn = false
bi.addBakeElement currentMapType
render rendertype:#bakeSelected outputSize:bmpSize outputwidth:bmpSize[1] outputheight:bmpSize[2] progressbar:true /*outputfile:newfileName*/ vfb:false
local newBMP = currentMapType.bitmap
if newBMP != undefined do
(
newBMP.fileName = (FPath + FName + FType)
save newBMP
)
newBMP = undefined
)
bi.removeAllBakeElements()
bi.bakeEnabled = false
renderers.current = oldRender
clearSelection()
delete bakingGeo
obj.material = oldMat
)
)--END Bake
its got that nasty habbit of keeping a 1:1 aspect ratio.. i knew the answer to that prob a while back but forgot it again ;) your a smart gal, youll figure it out
have phun
?yes it is?but you know that
Graph · 2010-10-24
?yes it is?
but you know that d is undefined in your code right?
Global ca
rollout ch "Create Quick HeightMap"
(
button cm "Create HeightMap"
on cm pressed do
(
if $ != undefined then
(
NewObj = snapshot $
hide $
select NewObj
NewObj.material = StandardMaterial color:(color 150 150 150) Glossiness:0.0 specularLevel:0.0 adTextureLock:true adLock:true showInViewport:true
NewObj.material.diffuseMap = Gradient_Ramp()
NewObj.material.diffuseMap.coordinates.W_Angle = -90
addModifier NewObj (Uvwmap axis:1)
collapseStack NewObj
Sky_Light = Skylight()
local d
--- Part taken from "Translated Bounding Box" v.0.2 [2009-12-20] by Anubis
for i in selection do with undo off
(
c = snapshot i
c.transform = matrix3 1
d = dummy boxsize:(c.max - c.min)
delete c
d.transform = i.transform
d.pos = i.center
d.name = "Dummy_Box"
)
--------------------------------------------------------------------
c = freecamera ()
c.name = "CameraTest"
c.pos = [d.pos.x, d.pos.y, d.pos.z+200]
ca = render camera:$CameraTest outputSize:d.boxsize
)
else messagebox "Select Object!"
)
)
createdialog ch
imo you really should propperly define your scopes and make the code a little neater
what you wanna do is create heightmaps for all objects in the scene?
hang on a sec ill whip something up
Michele71 · 2010-10-24
This script is a work in progress this is the reason why it is so messy in the development...
The heightmap must be only for the object selected.
Why d (dummy) is undefined? it is defined when I create dummy or not?
Graph · 2010-10-24
why not make a bbplane below the scene and bake your stuff to it?!
can you upLoad or send me a sample maxScene to clarify and tell what you want as a result?
Michele71 · 2010-10-24
Ok,try this: Create a Teapot in any viewport and run the script_test below (still under construction):
Global ca
rollout ch "Create Quick HeightMap"
(
button cm "Create HeightMap"
on cm pressed do
(
if $ != undefined then
(
NewObj = snapshot $
hide $
select NewObj
NewObj.material = StandardMaterial color:(color 150 150 150) Glossiness:0.0 specularLevel:0.0 adTextureLock:true adLock:true showInViewport:true
NewObj.material.diffuseMap = Gradient_Ramp()
NewObj.material.diffuseMap.coordinates.W_Angle = -90
addModifier NewObj (Uvwmap axis:1)
collapseStack NewObj
Sky_Light = Skylight()
--- Part taken from "Translated Bounding Box" v.0.2 [2009-12-20] by Anubis
for i in selection do with undo off (
c = snapshot i
c.transform = matrix3 1
d = dummy boxsize:(c.max - c.min)
delete c
d.transform = i.transform
d.pos = i.center
d.name = "Dummy_Box"
)
--------------------------------------------------------------------
c = freecamera ()
c.name = "CameraTest"
c.pos = [d.pos.x, d.pos.y, d.pos.z+200]
ca = render camera:$CameraTest outputSize:d.boxsize
)
else messagebox "Select Object!"
)
)
createdialog ch
As you can see, the measure (outputSize) of final rendering (Top) IS NOT EQUAL to measure of BoundingBox... For example, if BoundingBox measure 30X30 (Width/Heigth), the outputSize of renderig must be 30x30
Michele71 · 2010-10-24
Ciao Insanto and thanks for the reply:)
So, let me explain better;
I created a script that allows me to create a HightMap starting from any object.
Now, I want to render in Top view the object, and create a Bitmap of HightMap.
The rendering must have the same measures of the object (a BoundingBox surrounding the object)so that it fit the object... very similar to #boxselect type rendering in max 8.
With obj.max-obj.min I have found a way to build the BoundingBox that surrounding the object.
It 'can get the length and height of the BoundingBox and transfer these measurements to create the rendering outputSize?
Graph · 2010-10-23
so you dont know how to zoom into it propperly so itll fit the whole screen or you dont know how to translate the worldSpace bb into screenspace?
if you just want the dimensions to use in the render props you can do something like
(local dims = obj.max-obj.min;[dims.x,dims.y])
or do you want the vfb to maintain the current resolution but change it's aspect ratio?
it seems a tad odd to me to change the render res based on an objects dimensions, but that may just be me