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Let's start edit boundaries:

Step-by-step guide

1. For example, user needs to change interval for Crown Angle for VG group to 30...36. It is necessary to 

   1. Open MyGIA.txt in Notepad and find apprising part GIA Facetware.M4:

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      [Appraiser] Version: 7 Title: "GIA Facetware.M4" SerialNumber: 320 [quality] EX 10 RGB 0 255 0 VG 20 RGB 255 0 255 GD 30 RGB 255 255 0 FR 40 RGB 255 0 0 [end] [other] UnknownQuality: Poor 60 RGB 255 255 255 value : t : DC_TableDiameter : stack : Ref1 value : b : DC_CrownAngle : stack : Ref1 value : a : DC_PavilionAngle : stack : Ref1 value : star : DC_StarFacets : stack : Ref1 value : lower : DC_LowerGirdleFacetLength : stack : Ref1 value : gi : DC_GirdleThickness : stack : Ref1 value : hc : DC_CrownHeight : stack : Ref1 value : h : DC_GirdleThicknessValue : stack : Ref1 value : cu : DC_Culet : stack : Ref1 value : acp : : stack : 0 value : app : : stack : 0 value : sum_ap : : stack : 0 interval : Restriction_Table : t : : : EX 55 58 VG 10 99 GD 10 99 FR 10 99 : (%) : "Intervals for Table" interval : Restriction_CrownAngle : b : : : EX 33 35 VG 10 90 GD 10 90 FR 10 90 : (°) : "Intervals for Crown Angle" interval : Restriction_PavilionAngle : a : : : EX 40.6 41.0 VG 10 90 GD 10 90 FR 10 90 : (°) : "Intervals for Pavilion Angle" interval : Restriction_Star : star : : : EX 45 50 VG 10 90 GD 10 90 FR 10 90 : (%) : "Intervals for Star / upper ratio" interval : Restriction_LowerLength : lower : : : EX 75 80 VG 50 99 GD 50 99 FR 50 99 : (%) : "Intervals for Lower length" interval : Restriction_GirdleBezel : gi : : : EX 2.8 3.8 VG 0 20 GD 0 20 FR 0 20 : (%) : "Intervals for gidle thickness (bezel)" interval : Restriction_CrownHeight : hc : : : EX 12.7 14.0 VG 5 40 GD 5 40 FR 5 40 : (%) : "Intervals for Crown Height" interval : Restriction_GirdleValue : h : : : EX 0.75 2.04 VG 0 20 GD 0 20 FR 0 20 : (%) : "Intervals for gidle thickness (value)" interval : Restriction_Culet : cu : : : EX 0 0.5 VG 0 20 GD 0 20 FR 0 20 : (%) : "Intervals for Culet" interval : Restriction_ACP : acp : : : EX -2.5 2.5 VG -9 20 GD -9 20 FR -9 20 : (°) : "Intervals for ACP" interval : Restriction_APP : app : : : EX -2.5 2.5 VG -9 20 GD -9 20 FR -9 20 : (°) : "Intervals for ASP" interval : Restriction_Sum_ACP_APP : sum_ap : : : EX -3.0 3.0 VG -9 20 GD -9 20 FR -9 20 : (°) : "Intervals for Sum ACP APP" grading : Restrictions : Restriction_Table Restriction_CrownAngle Restriction_PavilionAngle Restriction_Star Restriction_LowerLength Restriction_GirdleBezel Restriction_CrownHeight Restriction_GirdleValue Restriction_Culet : Bad : grading : Painting : Restriction_ACP Restriction_APP Restriction_Sum_ACP_APP : Bad : reserved : Calculator : "=InitData(GIA Adaptor)" : "DataValues(t,tavg,b,bavg,a,aavg,acp,paint_upp,app,paint_low,sum_ap,paint_sum)" : "Calculate parameters in GIA Adaptor appraiser" externalgrading : Adaptor : "GIA Adaptor" Recommended : : : : : grading : Main : Adaptor Calculator Restrictions Painting : Bad : Final [end] [end]

   2. Find section with "intervals" - it contains intervals for different parameters for different cut quality groups. Here user can edit intervals for EX, VG and other cut quality groups.

   3. Edit string:

      Before: 

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      interval : Restriction_CrownAngle : b : : : EX 33 35 VG 10 90 GD 10 90 FR 10 90 : (°) : "Intervals for Crown Angle"

      After:

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1. 1. Info
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      interval : Restriction_CrownAngle : b : : : EX 33 35 VG 30 36 GD 10 90 FR 10 90 : (°) : "Intervals for Crown Angle"

   2. Find optimization part My GIA 4:

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      [Appraiser] Version: 7 Title: "My GIA 4" SerialNumber: 316 [quality] EX 10 RGB 0 255 0 VG 20 RGB 255 0 255 GD 30 RGB 255 255 0 FR 40 RGB 255 0 0 [end] [other] UnknownQuality: Poor 60 RGB 255 255 255 AssociatedAppraiser: "GIA Facetware.M4" externalgrading : Adaptor : "GIA Adaptor"

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1. 1. RecommendedGrading : : : : : grading : Main : Adaptor : Bad : Final [end] [cut] Name: Brilliant Quality: EX VG GD FR DiamondStart: /file My4\Brilliant_Start.dmc Parameters: DC_TableDiameter (%) DC_CrownAngle_Table (°) DC_PavilionAngle (°) DC_StarFacets (%) DC_LowerGirdleFacetLength (%) DC_GirdleThickness (%) DC_Culet (%) \ DC_CuletX (%) DC_CuletY (%) DC_GirdleRatio DC_GirdleDeviation (%) Optimize: \ DC_TableDiameter DC_TableDiameter DC_TableDiameter_CrownAngleStarFacet_Fixed \ DC_GirdleThicknessValue DC_GirdleThickness DC_GirdleThickness \ DC_CrownAngle_Table DC_CrownAngle_Table DC_CrownAngle_Table \ DC_PavilionAngle DC_PavilionAngle DC_PavilionAngle \ DC_CrownAngleLevel1 DC_CrownAngle_Table DC_CrownAngle \ OP_1 DC_StarFacets DC_StarFacets \ OP_2 DC_LowerGirdleFacetLength DC_LowerGirdleFacetLength \ OP_3 DC_CuletY DC_CuletY \ OP_4 DC_GirdleDeviation DC_GirdleDeviation \ Mass: 0.00 100000 \ 55.05 57.95 33.05 34.95 40.65 40.95 45.10 49.90 75 80 2.8 3.8 0 0.5 -0.6 0.6 -0.6 0.6 0.991 1.009 -0.9 0.9 \ 44 72 20 41.5 37.2 44 45 55 60 95 0 7 0 3.74 -1.2 1.2 -1.2 1.2 0.982 1.018 -1.8 1.8 \ 44 72 20 41.5 37.2 44 45 55 60 95 0 8 0 8.74 -2.4 2.4 -2.4 2.4 0.964 1.036 -3.6 3.6 \ 44 72 20 41.5 37.2 44 45 55 60 95 0 11 0 13.75 -4.8 4.8 -4.8 4.8 0.928 1.072 -7.2 7.2 \ [end] [fixedcut] Name: Brilliant DMCFiles: EX SetDiamond1 My4\Set1_Brilliant_EX.dmcx DMCFiles: EX SetDiamond2 My4\Set2_Brilliant_EX.dmcx [end] [end]

   2. Find parameter DC_CrownAngle_Table - it is Crown Angle. In section Mass: and following table there are optimizartion intervals for parameters mentioned in Parameters: section. Each string corresponds to each cut quality group. All groupd are metnions in Quality: section.
   3. So we find second string for VG group and change 3rd and 4th values (they are correspond to Crown angle range) to 29.95 and 36.05 (we have to make 0.05 gap for optimization values in comparison with apprising values - it helps find better solutions during optimization):
      

      Before: 

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      Mass: 0.00 100000 \ 55.05 57.95 33.05 34.95 40.65 40.95 45.10 49.90 75 80 2.8 3.8 0 0.5 -0.6 0.6 -0.6 0.6 0.991 1.009 -0.9 0.9 \ 44 72 20 41.5 37.2 44 45 55 60 95 0 7 0 3.74 -1.2 1.2 -1.2 1.2 0.982 1.018 -1.8 1.8 \

      After:

      Info
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      Mass: 0.00 100000 \ 55.05 57.95 33.05 34.95 40.65 40.95 45.10 49.90 75 80 2.8 3.8 0 0.5 -0.6 0.6 -0.6 0.6 0.991 1.009 -0.9 0.9 \ 44 72 29.95 36.05 37.2 44 45 55 60 95 0 7 0 3.74 -1.2 1.2 -1.2 1.2 0.982 1.018 -1.8 1.8 \

2. For example, user needs to add Total Heigth parameter with range to EX group

d. 

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