EdenScape byLinda B Helendale
Contents
1. oC o9 o9 Note edit and copy paste the comment line setting the parcel SW corner from the original file to the new file or set Full Parcel in the terraform tool Parcel SW corner Below is a Matlab Octave function to save the data as ASCII PGM file compatible with the terraform tool function write_pgm m fileName minground maxground comments maxFileSize maxval write_pgm m fileName minground maxground comments maxFileSize maxval Writes data as ASCII PGM file compatible with EdenScape terraform tool m image data fileName output file Optional arguments oP o9 o oe oe minground default ground level of pixel value 0 maxground default ground level of pixel value maxval comments string or cell array of additional comments e g commentl comment2 maxFileSize maximum output file size default 65000 bytes maxval maxval used in scaling the data default is o Empty values are replaced by defaults f ex write pgm n zsland pogm ll Lll alpha oe if exist minground var isempty minground minground 0 end if exist maxground var isempty maxground maxground 255 end default max file size is the SL notecard max size if exist maxFileSize var isempty maxFileSize maxFileSize 65000 end if exist comments var comments end if iscell comments comments comments end if exist maxval var isempty maxval maxval max m2. end partNumber 1 file fileName f fopen file w forintf f P2 n minground f n maxground f n minground maxground for k 1 length comments fprintf f F Sa n comments k end forintr r for kel size m l S for j l size m 2 tesprintr d mi k j check the current file size D dir file if D bytes length t need another part pathstr basename fclose f partNumber partNumber 1 length s ext Sd nsd n size m 2 size m 1 maxval Slow Duc proof gt maxFileSize fileparts fileName newfile fullfile pathstr sprintf s Part d s basename partNumber ext f fopen newfile w disp sprintf File s full file newfile end check for max NC line length if length s length t gt 255 s end fbprintf Ff 38wm 8 3 put Ty end s s t end if length s 0 s end s fprintf f sin S end Folose iT opened new file s file newfile end 4 6 MS Excel example In the following example we generate a terrain patch like a droplet dropping in water a sinusoidal radial wave with wavelength 8 m damped by Gaussian bell curve with standard deviation 4 The table below shows part of the excel table for generating the data We define row of x values 10 to 10 and a column of y values and set up the equation the sinusoidal wave is COS R 2 3 14 L where the radial variable R is SORT BS2 2 A5 2 and the wavelength L is 8 The Gauss
3. of applying the terrain brush in the red positions Consequently the stencil needs to have suitable non alpha values on borders next to alpha values to the North and East For example if the stencil below has a constant value on the border of the non alpha area red the blue area will be filled with that value and setting the value correspond to the surrounding ground the new patch blends into the terrain p Y p p p p p Y p p Y p p Y p Y Y p p Y p p Y P Y Y P Y Y Y p n 07990 9939 D ep cp p w N V L P V L LL NI V L V L V L Ny LL Messcecssescsccsccescccscesecces E po ucc pu B VL V L LL V L V L Ny V L V V L a Ny V L V L LL V L V L Ny VL V L Ny S 2 SSC SS COSCECE SSS S266 6 226s 26 9 coca ccc ocn oc uno uy 555PB252PGSGOGPJSGU5b9005492428005025295 D V L a V L a V L V L N y Vw L N V L a V L V L L LJ V L V L LT Fee we ee SPECSSOEESESE SSS SSS S LLPeE RASS SESESSEESCSESES OS SESSSOES D V L V L V L a V L V L V L Ww LJ Ny V L V L N r V L V L LJ V L V L V L SPPSECESSSCHSSSOSCSSOSSSOSESESOES 1 5 P Ny VL V L N V L V L V L I LJ LJ I V L a w V L V L Ny V L D Qeqqeeg9eges5eSQbPSCRORPPPROCPOPRRRSO D my N V L a V L Ny V L D 2PROPSPRPSLOSOROPRPOPROUORSRSOSOR db db dise e die dii Ro LG A 0 LEURS S UD A I LU RS A die es k HEN HERRE 0 99 Pe ee ee al Hu deca alpha artefact terraformed PETTITTE D V L V L Ny V L ay Ny R ae Ste ees
4. see the middle figure 20 10 10 20 10 20 20 10 Left example of 1 m x 1 m terrain patch showing the triangles used in interpolation in viewer and llGround Middle resulting terrain when the high ridge is in NW SE direction Right resulting terrain when the high ridge is in SW NE direction Actual terrain example On the left side diagonal ridge in NW SE direction On the right side diagonal ridge in SW NE direction Flat areas showing rough The SL viewer adds noise on the ground during rendering apparently to simulate natural terrains Near steep edges the noise is added 4 to 8 m from the edge To avoid this smoothen the corners of steep edges The figure below shows the effect the ground as returned by IIGround is perfectly flat in the image Noise added by the viewer in rendering the terrain The ground around the high area is perfectly flat SL BUGS in terraforming sometimes the ground is rendered wrong after terraform operations see JIRA https jira secondlife com browse VWR 24882 This bug affects the borders of the areas processed by the tool when the bug is expressed it looks like the tool has not processed the last meter near the edges but checking the ground by llGround function shows the desired result and the rendered ground is incongruent with the result of IlGround function The incidence rate of the bug is not known 4 2 Alpha Mask For creating non rectangular terrain patches over existing terr
5. tool and set the base level as 3 88 m below the surrounding terrain The result is shown below with Linda B sitting on the wave EdenScape by Linda Welendale Description of the terrain notecards included in EdenScape Creator purchase SpiralMountain 100x100 100 x 100 m spiral mountain with four paths leading to the top Fback 64x32 64 x 32 m island with shape from the SL female avatar Ffront 64x30 64 x 30 island with shape from the SL female avatar Ftop 32x32 32 x 32 hill made from SL female avatar torso Fbum 32x32 32 x 32 hill made from SL female avatar lower body Jin Jang 57x64 57 x 64 m island made from a jin jang image excelExample 21 x 21 m droplet wave shape the user manual shows how to make this terrain map in MS Excel spreadsheet F 3 j WU M 5 Sa E E BL L P m P Da Pe Maze 32x32 32 x 32 m maze generated with a maze script any maze raster image can be used to make a terrain maze
6. 6 oe Ppa s4 3T5 B V L av ay V L LL CSO ESSS OO SS 6456S 69 4S6S4664656655 6 D V L V L Ny LL Ny shee d e ee e e eeo e e eeo e e eeo e e e a a e GR a a a a a oe oe oe ee CSS SESE SS OCHRE ORES SoS OE SSS CEES CEEEDEOCRSS SSDS SE SSAe SESE SS CSS CCA CECE CRESS SE ESSE S CESSES LE px SED ESSE SES SSO UM O1 C1 NO NO O1 CO 4 3 PGM file format The terrain stencils are stored as PGM image files If the tool you use does not support ascii PGM format Irfan view http www irfanview com is handy free program for converting between image formats To save the file in Irfan view chooseFile Save As and Save as type PGM Portable Graymap and set the ascii option in the pop up window Save options Ascii encoding The ascii PGM image consists of the following See http netpbm sourceforge net doc pgm html A magic number for identifying the file type The tool uses ASCII PGM files with tag P2 Whitespace blanks TABs CRs LFs A width formatted as ASCII characters in decimal Whitespace A height again in ASCII decimal Whitespace The maximum gray value Maxval again in ASCII decimal Must be less than 65536 and more than zero Newline character aS a e S 9 A raster of Height rows in order from top to bottom Each row consists of Width gray values in order from left to right Each gray value is a number from 0 through Maxval with O being black and Maxval being white n th
7. EdenScape by Linda Welendale Terraforming with no limits EdenScape Creator Create terrains from a height maps created external to SL Copy paste terrains in world Save backup of the sim terrain and restore the whole parcel or any part of it EdenScape Backup Save backup of the sim terrain and restore the whole parcel or any part of it EdenScape terraform Stencil Area tool to terraform the whole parcel or any area set by coordinates or corner markers Smooth surfaces flat leveling raise lower the area preserving the terrain shape EdenScape terraform Brush Free tool for applying any terraform action in step wise or continuous mode Spiral mountain 100x100m 71 m high Island made from the avatar shape 64x30m 1 What is the tool for Scripted terrain modification has never been as easy maybe it s not so easy but certainly manageable with this tool The basic functions of the tool are o Take backup and restore the terrain from backup copy paste terrains in world o Create terrain from a height map saved on a notecard Rez the tool and left click it for the menu In the following the menu buttons are shown in blue color For example Apply stencil means you should press a button with label Apply stencil Left Yin Yang islands clipped from a public domain image Right 70 m high ski jump hill with perfectly smooth spline contour giving a great jump for any physical object or sledge Main menu Rez the
8. O O O O Set mode gt Backup Show corners right click edit and move the corners to set the area Hide corners Apply stencil e Copy paste 100 x 150 m area from sim A at 13 180 to sim B starting at 30 80 O O O O O 0 0 0 Go to sim A and rez the tool and press Save backup Go to sim B and rez the tool Set mode gt Backup Source SW corner type 13 180 and press Send Set area type 100 150 and press Send Set SW corner type 30 80 and press Send To check the area press Show corners and Hide corners Apply stencil e Interactively select the positions to copy paste an area from sim A to sim B O O O O O O O O Go to sim A rez the tool and press Save backup Set mode gt Backup Show corners click any corner to switch the corner markers to resize mode blue corners and edit move the corners to set the position Source SW corner type the current SW corner coordinates and Send Go to sim B and rez the tool Set mode gt Backup Show corners edit move the corners in move mode pink corners to the desired location Apply stencil Menu buttons in Backup mode SafeModel Backup info Apply stenci Source SW c Save PGN Set area Whole parce SHOW COMmer Setmode Save backup Set SW corm lsnore e Save backup saves the whole sim terrain map in the clipboard memory e Set SW corner opens a textbox to set the South West corner of the target area in region coordinates e Set area opens a textbox to set
9. ain without need to copy the existing terrain into the stencil the stencil specification has a simple optional alpha mask when alpha mask is used the value 0 in the notecard defines position that is not terraformed Alpha mask can be switched ON or OFF by the Alpha menu button and the default value can be set ON in the PGM file notecard with comment line alpha When alpha mask is used the exact value set to the base level is not possible the lowest value terraformed is base level 1 Maxval range For example if the stencil terrain range is 100 m and the base level is 20 m and Maxval is 1000 the notecard pixel values map to following ground heights NC Heigth o 20 Not terraformed with alpha mask ON Lowest ground height terraformed 2 202 0 0 000 1000 120 fo The areas masked as alpha have the same boundary artifact issue as described above for the stencil boundaries Every non alpha pixel causes 2 m x 2 m area to the East and North affected hence the alpha is usable only for masking out larger areas not individual positions The figure below demonstrates the effect We add a round patch of terrain and try to avoid touching the existing terrain around the patch by alpha mask The red circles show the pixels with non alpha values defining the target terrain in the 32 x 32 stencil The green and blue pixels are alpha in the notecard Due to the terraforming algorithm the blue positions are terraformed as side effect
10. ckup Set mode gt Backup Whole parcel Print PGM and copy paste the printout in a file say myparcel pgm With any text editor do global replacement of to H Start Octave and use the following commands data imread myparcel pgm ground double data 128 scale back to meters Oo imagesc ground see the height map Oo axis xy equal square set origo in lower left corner Oo Surriground show the ground as a surface fe save as 16 bit png file that works in PS imwrite data myparcel png png GNU Octave is very handy tool with rich scripting language for creating the terrains For an arbitrary example you have a nice mountain but it s too high and we flatten the height range above the sea level by factor of two but preserve the sea depth waterlevel 20 data imread myparcel pgm ground double data 128 scale back to meters J find ground waterlevel ground J ground J waterlevel 2 waterlevel Save with the same scaling it was the routine write pgm is given below S S write pgm ground 128 after iceage pgm 0 256 l 32767 we can also scale to 3 digit integer to fit larger area in one file and set the min max ground With about 4 bytes per pixel one file 65000 B can fit 17 000 m2 or 100 x 170 area gmin min ground gmax max ground img round ground gmin gmax gmin 1000 write pgm img after iceage pgm gmin gmax
11. e notecard limits maximum line length is 255 characters and maximum notecard size is 64K Large files that don t fit on one notecard can be split with continuation parts named as main notecard Part2 main notecard Part3 etc The files can be clipped at any row but not inside a row For example to create a full sim terrain map 64K positions with Maxval 999 each position requires roughly 4 bytes and the whole map requires 4 notecards for example mysim mysim Part2 mysim Part3 mysim Part4 The terrain values are stored internally as 15 bit integers independent of the Maxval value in the PGM file Using larger Maxval gives higher vertical resolution and produces larger image files As an example Maxval value 1000 with 10 m range i e lt maxground gt lt minground gt gives resolution 10 mm for the height mapping Internally the height maps are stored as 15 bit integers with the actual height as lt value gt 128 meters yielding maximum vertical resolution of 1 128 m or 8 mm Typical image manipulation programs support 8 bit images corresponding to Maxval of 255 The maximum terrain height with terraforming is 255 but in many sims it is limited to around 100 m The 8 bit depth allows 25 cm height resolution for terrains with range of 64 m which should be often sufficient For higher resolution it is possible to use 16 bit images with e g Photoshop but tools to convert the images to ascii PGM for
12. e tool the rows run from West to East and the columns from South to North As images typically have origin in top left displaying the terrain map as an image with North up you need to flip the image vertically Lines starting with are comments and can appear anywhere in the file The tool recognizes also as a comment tag to allow copy pasting the tool output directly on a notecard The tool recognizes the following comment lines as terraform prameter default values minground float value specifies the default ground level of pixel value O maxground lt float_value gt specifies the default ground level of pixel value lt Maxval gt Parcel SW corner integer x integer y specifies the default SW corner of the stencil in region coordinates alpha turns on alpha mask with positions with pixel value O not terraformed Example of the stencil PGM file P2 minground 15 000000 maxground 71 000000 Parcel SW corner 103 77 alpha 104 104 99 9 Ur GAU TO TOP S AQ Or TOL nea TOP a O01 v0 10 298 17017 20 9 109 291 20 00 O r Ge tO 00700022 3 55 E o5 Di op co Oe AL 1205 b was as 8 VS OS 29 3 2959 20 23 OS ow AG LT iO Sq 5 250 eS a x 93 2 O Ag 50 20e D 20 3D 20 05 OP SD e 00e D 05207 30 20 0 2 00 20 0 09s a TP OD OO TOC COE OE DD To use the file with the tool open the file in any text editor copy the contents on a notecard and drop the notecard into the tool Note th
13. forming explained The terrain in SL is defined in 1 m x 1 m grid but the function modifying the terrain IIModifyLand affects minimum of 2 m x 2 m area 3 x 3 grid points requiring carefully planned order of the terrain brush actions to obtain the 1 m resolution The tool uses a very simple terraforming pattern that has caveats getting the terrain exactly correct inside the processed area the tool needs to process 2 m wide zones outside the North and East borders Respectively restricting the processing strictly inside the area leaves 2 m wide zones with artifacts inside the North and East borders While it is possible to build any terrain with processing only inside the area finding out the appropriate sequence of terraform actions requires solving a large set of simultaneous equations for a 30 x 40 m area it requires inverting a matrix of size 1200 x 1200 or alternatively a lengthy iterative optimization which are prohibitively costly in terms of memory and CPU in Isl unless someone comes up with really good heuristics for the optimization To demonstrate the way the terraforming is done by the tool consider following stencil Let us assume flat ground with height 1 and apply the stencil with the SW corner at 3 3 The resulting terrain is shown below with the stencil area shown on red In the safe mode the terraforming is confined strictly inside the area and the last two rows and columns of the stencil are ignored leaving e
14. ian envelope is EXP BS242 A5 2 2 S 2 where the s t d parameter is 4 x 430 3 c 8 7 6 5 4 3 ppp to o 0 0 001 001 002 002 001 9 o 001 001 002 002 001 0 01 002 8 o 001 002 001 Oj 003 006 009 7 001 002 001 Of 004 009 013 016 6 001 002 0 004 01 015 016 013 5 002 001 003 009 015 0 16 009 005 4 002 001 006 013 016 009 01 032 3 001 002 009 016 013 005 032 0 56 2 001 004 012 016 0 07 019 05 063 a o oo 013 016 002 029 059 058 E 0 5 1 Series19 Series15 0 0 5 Series7 m 0 5 0 Series1 E 1 0 5 15 17 19 93 Next we define another table for the rounded values normalized to 0 255 with aid of cells that tally the min and max of the values The formula for the pixel values is relative to the top left cell ROUND 255 B5 SFS27 SFS28 SFS27 0 whereF28 is the max cell and F27 the min cell We add a comment for the flat level that is the zero value so we can later adjust it to blend in the terrain The formula in the flat level cell is just mapping of O by the same way as the other values 0 SFS27 SFS28 SFS27 E31 where E31 is the maxground value typed in P2 maxground flat level 21 21 255 99 99 99 98 98 97 97 97 97 97 96 98 97 97 98 99 99 99 98 97 97 96 97 97 98 99 99 Next we copy the table above on a notecard in SL and load it in the
15. mat may not be easily accessible In section 4 5 GNU Octave example we give example routine for saving the 16 bit PGM file using GNU Octave tool that can also read almost any image format 4 4 Using the terrain maps in external programs Use menu option Print PGM to print the selected area or the whole parcel in PGM file format The output can be copy pasted directly on notecard to be used as a stencil with all the parameters set correctly SW corner levels alpha Editing the terrain with external tools requires some manual editing the lines starting with lt timetag gt tool name need to be commented out by replacing with I Find and replace to in the whole file The Print PGM option lists the vertical resolution of the area for 8 bit and 16 bit images and lets the user choose the format The 8 bit format rescales the terrain to use the full range of 256 values and stores the scaling information in the minground and maxground comment fileds thus the resolution depends on the terrain range The 16 bit image uses the tool internal resolution of 8 mm and absolute height levels Bugs all messages in SL are asynchronous It is possible that the rows of the terrain map come out in wrong order in the printout Each output message contains a comment indicating the row index You may need to check manually or programmatically that the rows are in order Note that the way image manipulation software handle images with mo
16. or introduction to the way the tool works SafeMode options are e SafeMode OFF o Simple rule use this in restoring backup if you do not have terraform rights in neighboring parcels o Description with this setting the full stencil area is processed producing perfect result inside the area but leaving artifacts on the North and East borders outside of the area Note that when restoring the whole parcel from backup or any area at the parcel boundary this causes terraforming in the adjacent parcel in case you have terraform rights for the other parcel If you do not have terraform rights on adjacent parcels to North and East this setting is recommended for restoring the parcel e SafeMode ON o Simple rule use this if the area you process touches other parcels and you have terraform rights in those parcels o Description with this setting all processing is strictly inside the area and only in the parcel where the South West corner is thus not affecting existing terrain out of the area This is useful if you create a patch of terrain very near to terrain you have to preserve This is useful also if you have terraform rights on the neighboring parcel and the area is less than 2 meters from the North and East boundaries Stencil corners The position of the stencil and the size for the backup restore can be adjusted interactively from the button Show corners which rezzes pink corner markers The corners can be moved by normal editing
17. re than 8 bits varies The image may be converted to 8 bits during loading In 16 bit systems the pixel values may be converted to full 16 bit range the tool sets lt Maxval gt to 32768 256 m 128 steps meter which corresponds to white in the PGM image and may be represented as value 65535 2416 1 in the image software In that case the mapping between the actual ground height and pixel value is ground pixelvalue 256 The default formula for calculating the ground level from the pixel value is printed as a comment that is valid if the image manipulation application does not apply any rescaling Adobe Photoshop supports 16 bit images but it appears to have a bug in reading 16 bit ASCII PGM images and has no option to write ASCII PGM format Gimp does not support 16 bit images yet Gimp produces rather inefficient ASCII PGM files with one pixel on each line which is extremely slow to read in SL scripts IrfanView http www irfanview com is a handy tool for converting 8 bit images and applying basic transformations such as rescaling rotation flipping Netpgm package http netpbm sourceforge net should work for converting the images but has not been tested 4 5 GNU Octave example For manipulating the image files GNU Octave http www gnu org software octave is a free numerical math software tool and has been tested to work You can use it for converting to other 16 bit formats also As an example save the parcel by Save ba
18. rrors inside the area The correctly terraformed area is shown on dark red The artifacts can be avoided if the terrain around the stencil area is sufficiently flat by adding one row and column to the stencil with values set to the surrounding ground See Set level menu option and minground default setting in the PGM image file Below is the modified stencil Applied in SafeMode OFF the resulting terrain is pa fafa fa fa fa fa fa fata tata 1 1 1 12 1 1 1 fai 1 1 1 12 1 1 1 fai 1 1 1 26 27 28 29 1 1 copa a p 232495 4 1 ifi 4 18 19 20 21 1 1 ja 4 4 14 45 16 17 1 1 ja 4 4 40 41 12 13 1 4 a tra 1 1 1 12 fs 1 1 fia ja fafa fa ja 1 1 1 1 1 The stencil area is marked as red and the artifacts produced by the tool outside the area as blue Alternatively the stencil may be padded by 3 columns and rows and the tool applied with the Safe mode ON This helps to see the exact area affected by the tool using the Show corners function Other issues Ragged diagonal edges The terrain in SLis defined in a grid with 1 m resolution and the ground is interpolated linearly between the grid points with every square meter split to two triangles diagonally in direction SW to NE The left figure below shows the triangles in an example the other figures show the effect on how ground is rendered Diagonal structures in SW NE are preserved but diagonal structures in NW SE are not
19. the size of the target area as lt Xsize gt lt Ysize gt meters e Whole parcel sets the target area as the bounding box of the parcel where the tool is e Source SW corner sets the South West corner in the stored backup for copy pasting terrain from one area to another The source may be in another sim in which case the tool gives a warning e Save PGM prints the defined area in PGM format see 4 4 Using the terrain maps in external programs e SafeMode see section Safe mode below Uncheck this if you do not have terraform rights in neighboring parcels e Backup info requests the backup headers from the clipboard memory scripts You can use this to update the backup info settings at any time Resetting the main script will not clear the backup data 3 Creating terrain from a height map The tool supports creating terrain maps outside of SL and recreating the terrain in SL The terrain maps are stored as ASCII PGM image files supported by many image processing software tools See section 4 2 PGM file format for more info on creating and converting the terrain maps To start creating the terrain press Set mode gt Notecard which opens a menu to choose the notecard After reading the notecard the tool opens a menu showing information of the loaded stencil and settings that determine how the stencil is applied When you are satisfied with the settings press Apply stencil to start terraforming Every terraforming action has a confirma
20. the terraforming with a confirmation menu to avoid accidental button presses Undo stencil restores the stencil area from the backup The undo is not perfect see section Safe mode for artifacts on the area boundaries The backup is not automatically saved prior to applying a stencil from notecard use Save backup to save it You can also restore the area by using the backup mode see section 2 Restoring areas from backup o Alpha use alpha mask see section 4 2 Alpha mask Values 0 in the notecard are not rendered OO Q Some old viewers do not support the textbox UI component LL viewers prior to 2 4 and some TPV s The unsupported viewers will display a dialog menu with a single button I TextBox To support users on those viewers when launching a textbox the tool shows instructions in chat how to input the text via chat command The tool does not support rescaling or rotation of the terrain maps in notecards If you need to rotate or rescale the terrain maps save the notecard in text file load it in any image manipulation program such as IrfanView see section 4 4 Using the terrain maps in external programs apply the transformations and save as ASCII PGM file and copy it on a notecard and drop in the tool Safe mode The tool has a setting SafeMode that controls how the borders of the processed area are handled and whether the tool is allowed to terraform outside the parcel See section 4 1 Terraforming explained f
21. tion menu to avoid accidentally starting it Settings of the stencil SareModell Backup info Apply stenci Wndo stenci Alpha m Setlevel Setrange Show comer Set mode Save backup Set SW com Ignore o Set SW corner sets the South West corner of the area where the stencil is applied The default position is the position of the tool when loading the notecard or it can be set in the notecard see section 4 3 PGM file format The SW corner of the stencil is not changed if you move the tool o Set level sets the ground level of minimum height in the stencil The default value can be set in the notecard with a line minground level The submenu has the following options o Ground SW sets the level to the ground height at the SW corner o Tool Z sets the level to the tool position z coordinate o Type level opens a textbox to type in the level o Setrange sets the height range The default value may be set in the notecard by comment lines H minground lt level gt and maxground level For example the notecard may have a setting minground 25 and maxground 40 giving the basic level 25 and range 15 as the default apply settings To create the terrain at level 20 with range 10 use Set level Type level type 20 and Set range type 10 SafeMode see section Safe mode below Show corners rezzes corner markers to set the position of the area See section Stencil corners Apply stencil starts
22. tool EdenScape on the ground and left click to access the menu The tool supports two modes Notecard and Backup Press the button Set mode to choose the mode e Notecard terrain patch called stencil in the following is read from a notecard e Backup save and restore a parcel or part of a parcel and copy paste terrains in world The light version EdenScape Backup has only the backup mode for saving and restoring parcel terrain For users of the EdenScape Backup the following chapters are relevant Chapter 2 Restoring terrain from backup in Chapter 3 sections SafeMode and Stencil corners and Chapter 4 for additional information which is definitely not required reading for using the tool Emergency stop button SareMaodell Apply stenci Set area Setmode Backup info Source SW c Whole parce Save backup Save PGM Show comer set SW corn lznore The tool comes with an object EdenScape stop button that can be used to stop the terraforming tool while it is processing Attach it as HUD before starting the tool Clicking the upper red button sends the EdenScape tool a command that resets the main script and immediately stops any processing You can also shout command 911911 stop for emergency stop Clicking the lower button requests the tool to stop softly after the current row of the stencil is processed In typical use the stop button should not be needed The button is provided for additional safet
23. tools right click edit drag the red blue or green arrows The corners snap to the terrain grid automatically after they are moved In Backup mode the size of the area can be changed by clicking any of the corners r click touch if the prim is in edit The resize mode is indicated by blue color Clicking Hide corners the corners are deleted and the menu is updated with the current values The values are sent to the tool immediately after the corner is moved but the dialog menu cannot show the update until it is refreshed you can also remove the menu by Ignore and click the tool for updated menu If a corner moves to a different parcel it changes the color to bright red Use SafeMode setting to choose whether the terrain in other parcels is processed If the corners are left accidentally visible after you derez the tool you can remove them by shouting 8 stencil die Pink corners move the stencil Blue corners resize the stencil 4 Technical information This looks boring You don t need to read it unless you want to create terrains that fit tightly to existing terrains The terraforming brush available in SL is rather clumsy and causes side effects think of painting one centimeter details with three centimeter brush after painting one spot you have to paint over the extra paint in the brush area and this is how the terraform brush works also See also the SafeMode above for handling those side effects 4 1 Terra
24. y when processing large areas to stop the tool if the settings appear to be clearly wrong and risk messing up existing terrain Note that the backup facility can be used to save the terrain before starting the terraforming and restoring the terrain if the result is not as desired It is advised to always check the processed area using Show corners button before starting the terraforming 2 Restoring terrain from backup First we present some example scenarios for restoring the terrain from backup A complete list of buttons in the backup menu follows The tool has modify permissions to allow renaming it to easily find your backups from inventory Example scenarios e You have rented or bought a parcel where you have terraform rights You don t have terraform rigths in neighboring parcels that is you can safely apply terraform operations outside your parcel without adverse effects 1 Save backup O Rez the tool on your parcel and press Save backup 2 Restore the parcel O O O O O Rez the tool on your parcel To check the backup press Backup info Set mode gt Backup Uncheck SafeMode Whole parcel Apply stencil If you have terraform rights on neighboring parcels check SaveMode e Restore 15 x 25 m area from the backup with the tool at the SW corner of the area O O O Set mode gt Backup Set area type 15 25 and press Send Apply stencil e interactively select the area to restore from backup
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