Here you can find information about what is new in HP Carbon version 3.0.3.
This version is available for download from the Octonus official web site. |
Allocation of 3 or more diamonds has become the standard for all sizes and types of rough stones. On average, a solution contains 5 diamonds. An important question when allocating multiple diamonds is "How to perform Sawing?" Not all solutions with 4 or more diamonds can be sawn using modern sawing technologies. The picture shows an example that cannot be sawn.
Introducing our new algorithm "24. MultiDiamond."
Solutions from the "24. MultiDiamond" algorithm can always be sawn, and we provide a sequence of sawing layers and pies to guide this process.
Users can specify the number of diamonds they want in a solution and the algorithm will find that many diamonds in the scan model.
When searching for the three largest diamonds, the algorithm prioritizes maximizing price. From 4 diamonds onwards, the algorithm also considers the need for existing sawing.
Furthermore, users can adjust the thickness of sawing planes used in the optimization process, and choose the "Variation" mode. Currently, two options are available:
"FixedForm" to produce solutions exactly of the same form as the allocation forms registered within the cut. Only scale or position may be changed
"FlexibleForm" to produce solutions in the limits specified by the appraiser.
The algorithm "24. Multinext" has also been added. It operates on one or multiple selected solutions. The user chooses how many extra diamonds need to be added to the selected solutions. In the case of multiple selected solutions, the algorithm will work independently and in parallel on each of them. "24. MultiNext" uses a allocation method identical to "24. MultiDiamond" starting from third solutions. The result of "24. MultiNext" can always be sawn with pie sawing.
The algorithm "24. MultiNext" with FixedForm Variation, compared to "24. MultiNext (FixedForm, BasicSawing)":
1) Is faster
2) In most cases provides higher solution price
3) Frequently cannot be sawn without using Pie Sawing.
Introducing the updated algorithm: "25. Semicut (final)".
This method is used for semipolished stones to ensure that the solution maintains the Table normal of the scanned model. This allows for the cutting of other facets without altering the Table facet angle.
Key advantages over the "06. Semicut (final)" version:
It uses preforms to increase the solution's weight.
It features improved adjustment of the solution's rotation around the Table normal to find the optimal weight.
It is built on the "23. Single" algorithm and incorporates all its modern features.
On semipolished stones with a defined Table facet and girdle, "25. Semicut (final)" with the Brilliant cut shows an average improvement of 0.5% in mass and 1% in price compared to "06. Semicut (final)". The average processing time with one cut is approximately 3 seconds.
Multi-diamond optimization algorithms primarily operate on a greedy principle. Each subsequent diamond tries to maximize its own volume, paying little attention to the space it leaves for the others. This greed can lead to inefficient use of the original rough's space. While various balancing techniques exist—where earlier diamonds yield some of their space to later ones to increase the total value—the problem becomes intractable within a reasonable time as the number of diamonds increases and the rough becomes more complex due to cavities and inclusions. This forces a reliance on the initial luck of the greedy approach.
With CVD diamonds, however, it is possible to grow diamonds of a standardized shape — wide plates with a relatively low height. Furthermore, the number of inclusions decreases every year, and they are mostly located near the edges, which simply reduces the usable plate size without affecting this shape uniformity.
This standardization of the input data allowed us to create a new algorithm based on principles from the theory of packing space with identical objects.
Introducing the "25. Chess" algorithm. It works by first constructing an optimal cutting lattice for the entire volume and then searching for the best diamonds within it, taking into account the specifics of the input model and inclusions.
This algorithm is more efficient than greedy methods. And as CVD diamonds become purer over the years, the results of the "25. Chess" algorithm will become increasingly flawless. It also allows for finding multiple diamonds of similar mass from the same rough, which carries additional value.
The algorithm is currently under active development and can be considered a demo version. It fully supports only the "Brilliant" cut. You can select a different cut, and the algorithm will search for it during the selection phase, but the optimal cutting lattice will still be built for the "Brilliant" cut. In future updates, we will add full support for other cuts, starting with rectangular StepCuts.
The following settings, which affect all stages of the algorithm, are currently available:
There is a plan to improve the batch allocation in the next release version and add more flexibility.
Some customers evaluate results using external price lists that our algorithms cannot access. They need a simpler, faster way to manually guide the allocation algorithms. Specifically, they want direct control over which inclusions are prohibited in solutions and which ones factor into the final price. In earlier versions, users marking inclusions as green expected a maximum-volume solution, ignoring the "permitted green" inclusions. However, the algorithm instead reduced volume to create a cleaner, more expensive result per its built-in pricing.
Thre is example where the change in behavour of green inclusions is shown obviously:
Carbon3.0.3_GreenInclusions_Demo.ox2z
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| Green and Yellow inclusions produces same result | |
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| Yellow | Green. According to user goal |
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To resolve this and support different users workflows, we have changed the behavior of green inclusions in the allocation algorithms. Each Inclusion Color Status now has a unique role and you can choose which inclusion color statuses are convenient for you to use.
Inclusions participate in two important stages:
Within the allocation algorithms, there are three options for an inclusion:
In the final solution assessment, inclusions can influence in two ways:
A complete table of properties for each color status in Carbon 2.3.2 is provided below.
| Gray | Ignore | Ignore |
| Green | Ignore | Consideration |
| Yellow | Algorithmic choice | Consideration |
| Red | Forbid | Consideration |
In versions prior to Carbon 2.3.2, green inclusions behaved identically to yellow ones.
If you were satisfied with the old behavior, your new effective color set is Gray, Yellow, and Red. Simply recolor your old green inclusions to yellow.
When to use each color status:
Gray: For inclusions you consider physically absent or so insignificant they won't affect the final product price. They have no effect anywhere in the program.
Green: For inclusions you want to ignore during allocation but consider in the final assessment.
Yellow (Trust the Algorithm): The default for optimization. The allocation algorithms decide to include or exclude these inclusions to maximize objective functions like price.
Red: Strictly forbidden from appearing in algorithm-generated solutions. However, manual manipulation may inadvertently leave them inside a solution.
The Clarity Diversity parameter relies on the forecasted price during allocation. Therefore, only inclusions that participate in algorithm price forecasting (Yellow status) affect Diversity. Gray and Green inclusions are ignored, and Red inclusions are forbidden.
For convenient personalized work with inclusion clarity and color status, we have developed a new interface, which you can read about in the chapter "Batch Operations Panel for Inclusions".
Operators use manual tools during planning after getting the initial solution of global allocation. One of them is a movement of layer and recalculation of diamonds allocation.
This operation is required both for natural rough diamonds and grown CVD diamonds to get symmetrical solutions, or fixed mass solutions (such as 1ct+1ct, 1ct+2ct). Current algorithms may not provide that kind of solution.
However, you can achieve the desired result manually by using the movement panel for the layer and applying the Swim algorithm to each diamond individually. It takes time.
We have developed an autoswim mode that eliminates the need for manual use of the Swim algorithm, saving you valuable time.
The Fast Swim processes solutions containing any number of polished diamonds. The order of layers in the solution defines the working zone for each polished diamond, where the Bound Swim algorithm is executed.
When the first layer is moved, Bound Swim runs for all polished diamonds in the solution.
Typically, each layer isolates one polished diamond from the remaining ones.
For subsequent planes (second, third, etc.), the working zone remains unchanged for previously isolated polished diamonds, and the algorithm is not triggered for them.
The algorithm now supports all section types, including:
Layer: Traditional planar sections.
Pie: Two planes in one section (newly supported).
Operational Notes:
Pie sections can only be moved or rotated as a single unit.
Adjustment methods:
Direct manipulation in the 3D scene (mouse controls).
Precision editing via the Movement panel.
Restriction: Angle adjustment between planes within a single Pie section is currently unavailable.
The AutoSwim algorithm settings (activated after plane adjustment) are accessible in the main toolbar.
Available modes:
| Vary param and clarity | Maximizes solution value by optimizing polished diamond parameters and evaluating multiple clarity groups (inclusion sets). Default mode. |
| Vary param, fixed clarity | Optimizes solutions by adjusting polished diamond parameters only (current clarity group remains unchanged). |
| Fixed cut and clarity | Uses predefined fixed polished diamond parameters and the current clarity group. |
| None | No automatic optimization after plane movement. |
A Quick Sandwich tool has been added, which makes it possible to separate a smaller peace of inclusion. This may increase plan weight with the same clarity.
Sequence of actions when working with Quick Sandwich.
1. Creating a sandwich.
A sandwich can be created in two ways:
- Using the context menu in the scene (the selection mode must be activated in the scene for this).
- Using the context menu in the inclusion list.
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When you select the "Quick sandwich..." menu item, a dialog box will be displayed where you can manually enter the desired offset value.
Quick Sandwich is also now created in the "Creating sandwich inclusion" dialog box.
The saw disk of the sandwich will be created relative to the nearest diamond and positioned parallel to its nearest facet at the distance specified during the sandwich creation.
After creation expart sandwich becomes active.
2. If it is necessary to change the position of the saw disk, you need to activate object move mode (hand icon on the toolbar). After that, the saw disk can be moved similarly to other objects in "hand" mode. This means using: Shift for flat-parallel movement, 'v' for rotation around the vertical axis, 'h' for rotation around the horizontal axis, and 'c' for rotation around the axis normal to the scene.
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The position of saw disk also could be changes via Movevemt panel:
3. Additionally, there is an option to apply the Quick Sandwich to all inclusions near the active diamond.
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Several new dialog-based optimization algorithms have been introduced:
Equal Price Pair (Swim) - tries to adjust the solution so that all diamonds have the same value.
Twin (Swim) - performs everything the Symmetry Solution does, but also equalizes the diamonds’ parameters.
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Bound Swim (Vary Forms and Params) - an extended version of Bound Swim (Vary Params) that additionally iterates through different forms.
These algorithms are available in several places:
Equal Price Pair (Swim) and Twin (Swim) - available only in the solution context menu.
Bound Swim (Vary Forms and Params) - available in three locations:
in the diamond context menu - applies to the selected diamond,
in the solution context menu - applies to all diamonds in the solution,
in the layer context menu - applies to diamonds linked to that layer.
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The realization of an unattractive girdle shape in a Fancy diamond often comes too late, after the stone has been cut and fails to attract buyers. Operators aiming to increase carat weight may enlarge the girdle shape without having the necessary knowledge and tools to assess its beauty.
To address this issue, we have developed the Shape Deviation parameters. These parameters help to compare how the girdle shape differs from the ideal shape, just like the 2RRoundness parameter does for the Brilliant cut. The Shape Deviation Grade enables operators to easily reject unacceptable girdle shapes.
After aligning the girdle shape of the current model with the ideal girdle shape linked to the current cut, we calculate the distances between the two curves. These distances are presented as the Shape Deviation Plot and Shape Deviation Ideal Girdle. Next, we identify azimuth intervals of 11.25, 22.5, 45, and 360 degrees where maximum difference in distances between shapes are observed, and estimate these values. It is in these locations where the imperfections in the girdle shape are most noticeable. The Shape Deviation Plot highlights these areas with rectangular windows, along with indications of global maximum and minimum values.
Deviations where the current girdle shape is wider or narrower than the ideal shape are color-coded. This information is also depicted in the Shape Deviation Ideal Girdle image. Here, the current model is outlined in black, with areas highlighted in blue and red denoting the extent to which the girdle shape of the current cut deviates in width from the ideal girdle.
Global maximum and minimum values are also represented in both pictures.
The parameter is currently available for the following Octonus cuts:
We use classic shapes with different Girdle Ratios as shape references for these cuts. The classic marquise shape consists of two circle arcs. The classic pear shape consists of three circle arcs. The parameter has been integrated into these cuts appraisers in the Absolute Symmetry tab.
In the reports an ideal ellipse is used as a reference for any сuts recognized as oval and lacking own reference shapes.
Shape deviation now works on non-convex faces
SmartRecut controls the new parameter if they are present in the appraiser. There is a comparison of SmartRecut solution with and without using this parameter on the picture. It is important to note that this parameter prevents the continuous deterioration of the girdle shape in the SmartRecut on SmartRecut scenario.
The parameter has been included into reports:
In the illustrated reports, the Shape Deviation is located in the bottom right corner.
In the full report, this parameter is placed on a separate page.
The description of Shape deviation parameter and corresponding bookmarks are availbale in Shape Deviation.
The Shape Deviation parameter can be utilized not only for solutions but also for scans of finished diamonds. To do this, select the scan, right-click on the corresponding cut in the "Cut Book," and choose "Link current scan to this appraiser." The scan can then be evaluated in the Appraiser Editor or Polish Report can be built.
The green option is recommended for rounded fancy cuts. The necessity and usefulness of the green option for step cuts are still under question, so both green and yellow options are possible for them.
AnycutBasic : Goodwin type cuts support AnycutBasic appraiser as well, but with the lack of important advantage of having slope angles in the appraiser.
Goodwin* : The appraiser control Crown and Pavilion Slopes. The selection of the most important cut facets is performed automatically. The only advantage of this type of templates over other options is the 2C3P version, which is well suited for rectangular cushions with a two-tier pavilion.
Goodwin_Starts* : The appraiser control Crown and Pavilion Slopes. The selection of the most important cut facets is done by the user using gold and silver stars. This prevents the desynchronization of values at all stages of the diamond's life cycle.
Goodwin_GirdleShape_Starts* : The appraiser additionally control the Shape Deviation parameter, responsible for the beauty of the girdle shape.
You can read the full article about choosing an appraiser: Which appraiser template to choose? |
To make the allocation algorithms work correctly, we recommend using allocation forms with an EX grade by Shape Deviation parameter. How to get them? To solve this, we added the option “Use ideal girdle shape” in the SmartNormalize algorithm. How to achieve this? When working with the new cut, you will automatically get EX-grade solutions. The best of these can be normalized and added as forms. But if you've been using our products for a while, you already have a collection of good allocation forms for your cuts. These need to be transferred to the new versions of the cuts registered with the "Goodwin_GirdleShape_*" templates.
Your old preforms must be evaluated for Shape Deviation of the new cut using the “Link current Diamond to this appraiser” feature. If the preform has an EX grade by Shape Deviation, you can normalize it as usual with minimal changes and register it in the new cut. If the old preform has not EX Shape Deviation grade, the girdle shape must be corrected using SmartNormalize with the new option “Use ideal girdle shape”. Before registering this form, check in CutWise that the girdle shape change did not harm the optical properties of the preform.
If you have many forms in your collection, we recommend using the “Batch Add Forms” command to speed up the process. This command automatically transfers the forms without checking for Shape Deviation. So you’ll only need to fix the “Misshapen Forms”. To view these, use the “Show Allocation Forms” command. Then, apply the previously described procedure to correct Shape Deviation for the “Misshapen Forms”. Finally, don’t forget to remove the “Misshapen Forms” from your new cut, since they have already been added.
Now you can evaluate your solutions, made by any method, using any appraiser you want. For example, this helps you find shape deviation values based on the ideal girdle shape from another appraiser. This is especially useful if your current solution was made with an old appraiser and will be used as the allocation form for cutting with shape deviation.
How to do it:
After that, fields related to the appraiser will show the linked appraiser’s name, with a warning symbol next to the label. Reports will also be built using the linked appraiser.
To go back to the default appraiser, use the command “Restore default appraiser” in the diamond’s context menu.
Suppose we have a solution that we want to use as allocation forms for the Heart_ShapeDeviation_Demo cut. We apply the command “Link current Diamond to this appraiser” to the solution. In the appraiser and report, we see poor Shape Deviation by appraiser Heart_ShapeDeviation_Demo.
This means we need to run SmartNormalize with the “Use ideal girdle shape” option.
As a result, we get a range of solutions with Shape Deviation values from near zero up to the original value in one preset. The SmartNormalize results automatically use the same linked appraiser as the input solution, so you can evaluate the results with it.
The parameter controlling this range is GirdleShapeCoeff in the SmartNormalize presets.
The tooltip for the “Use ideal girdle shape” checkbox provides helpful information to understand how it works.
We’ve reintroduced Remaining Depth in a new and improved form - now it delivers faster performance and noticeably higher color accuracy.
Alongside the girdle comparison, you can now compare complete models for a more comprehensive analysis.
The girdle distance graph has also been enhanced with palette-based coloring, making it easier to visually link the graph to the model view.
In I3D Comparative Remaining Depth mode, min/max indiaction added to the graph plot and 3D scene.
Azimuth markers were added to the 3D scene to make a more convenient navigation between the graph plot and the scene.
The parameters are calculated in mm and %. If Princess Cut has RT <= 1.05, then the parameters in % are calculated in relation to the width, and if more than 1.05, then the parameters in relation to the length are also added. The distances are calculated in projection on the plane of the table.
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The bookmarks follow.
"a":
"PAV_MAIN_FACET_EDGE_WIDTH_MM",
"PAV_MAIN_FACET_EDGE_WIDTH_PC",
"PAV_MAIN_FACET_EDGE_LENGTH_MM",
"PAV_MAIN_FACET_EDGE_LENGTH_PC".
"d", "c", "b" ( numbering i comes from the girdle - that's how it was decided to number the chevrons ):
"CHEVRONi_EDGE_WIDTH_MM",
"CHEVRONi_EDGE_WIDTH_PC",
"CHEVRONi_EDGE_LENGTH_MM",
"CHEVRONi_EDGE_LENGTH_PC",
"e":
"PAV1_MAIN_FACET_EDGE_WIDTH_MM",
"PAV1_MAIN_FACET_EDGE_WIDTH_PC",
"PAV1_MAIN_FACET_EDGE_LENGTH_MM",
"PAV1_MAIN_FACET_EDGE_LENGTH_PC",
We added the following dimensions (in mm and as a percentage with respect to width).
See new bookmarks:
Shape Deviation metrics are now included in the Illustrative Report for Anycut across both RTF and HTML outputs.
This enhancement improves clarity by providing users with detailed deviation information directly within the generated reports.
Information about chevrons and star facets has been added to the pictures:
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The new images containing Crown and Pavilion Height, along with Facets Height Data, are available under bookmarks "PAVILION_HEIGHT_PC_REPORT", "PAVILION_HEIGHT_MM_REPORT", "CROWN_HEIGHT_PC_REPORT", and "CROWN_HEIGHT_MM_REPORT".
The new images can be found in following reports:
The new Girdle Height image with Valley was added to FULL_REPORT_FOR_BRILLIANT.RTF and FULL_REPORT_FOR_ROUNDED_FANCIES.RTF and available under the bookmark "GIRDLE_THICKNESS_PC_CRN_VIEW_COLUMN."
The new bookmarks for Square StepCut and Square Radiant have been added to the RTF report:
The cut name set using "Link current Scan to this appraiser" was overwritten by the automatically defined name after changing the Facet Types.
Diamonds mode has been relocated to the right-hand panel alongside other scene display modes and renamed to Model Distance Map.
Recut mode now features a new icon and has been renamed to Allocation.
The Batch Operations panel provides tools for performing actions on multiple inclusions simultaneously, significantly streamlining the inclusion management workflow.
The panel is divided into two main operation groups: Select and Status.
This group contains functions for managing the selection of items in the inclusions list.
This group contains functions for setting the allocation status.
Buttons: Red, Yellow, Green, Gray. These buttons immediately set the corresponding status for currently selected inclusions.
These operations assign statuses to inclusions based on their Clarity value. The status is applied to all inclusions currently in the list (i.e., those passing filter above).
Clicking one of these buttons opens a configuration pop-up. Within the pop-up, sliders are used to define threshold values for the Clarity attribute. A pre-defined status scheme is applied based on these thresholds, assigning a status to each inclusion according to its Clarity value.
Available Schemes: Gray-Red, Gray-Yellow-Red and Green-Yellow-Red.
All buttons in the Status group have descriptive tooltips. Hovering over a button provides a clear explanation of which inclusions will be affected by the operation.
You can navigate the scene using your mouse. However, for more precise adjustments, you'll need to use the movement panel, which can sometimes be inconvenient.
We'd like to introduce Ox/Oy/Oz rotation modificators.
| Video | Axes rotation modificator - rotation along Ox/Oy/Oz axes | ||||
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| Published: | 2024, December 13 | Last Updated: | 2025, September 03 | v.1.3 |
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Video summary: To rotate along those axes, simply press the H (Horizontal), V (Vertical) or С (Center) keyboard button respectively and rotate the scene
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| Video keywords: rotation, scene, axes | ||||
Data | ||||
Layers are now selectable like diamonds, enabling the use of object movement tools on the selected layer.
You can now select sawings directly on the scene with a simple click, just like diamonds. This is also useful for opening the context menu, which appears for the active diamond. In Lines mode, the active diamond is now visually distinguished on the scene with thicker lines.
A new context menu item, "View along sawing direction," has been introduced for layers. This command arranges the scene so that the layer becomes horizontal.
An additional column has been added to the sawing thickness table to display the minimum mass value, indicating the interval for the corresponding thickness value.
The sawing layers have been upgraded with new data and an improved interface. The "Create sawing data" command in the solutions context menu has been replaced by two distinct commands: "Create sawing layers" and "Generate sawing data."
Here’s the key difference: "Create sawing layers" removes all existing layers and populates the solution with appropriate new layers (similar to the previous "Create sawing data" command). In contrast, "Generate sawing data" simply adds additional data to the already existing layers.
This additional data includes the following: generating half-planes where necessary, creating a glue point, establishing sawing directions for each layer, and developing a rough projection contour (blue line).
The parameters for sawing directions can be defined in "General Settings -> Allocation -> Sawing Parameters."
You can also set parameters for each layer individually by clicking on the "Sawing parameters panel" in the layer context menu.
The available parameters are:
For Plane:
For Pie:
For Shaping:
Here is a brief description of each parameter:
To create a shaping, you can use the "Generate girdle shaping" command from the diamond context menu. For shaping sawings, there is additional data provided: a shaping contour around the girdle (yellow line).
You now have the option to create blocking layers when generating a preplan. To do this, simply check the "Create layers for blocking facets" checkbox and click the "Create preplan" button.
The sawings will be positioned with an offset from the facets. You can modify the offset value in "General Settings -> Allocation -> Sawing Parameters -> Facet Distance".
We have added the ability to pin solutions in the solution list. To pin a solution, right-click its checkbox; click the same area again to unpin it. The pinned solution remains visible on the scene at all times, regardless of your selection from the list. This is particularly useful for keeping scans (like the main scan) permanently displayed.
When loading a project, the Main Scan is automatically pinned if its processing stage is Rough, Saw, or Bruted. In Recut mode, scans with these stages appear transparently instead of in lines mode—this can be adjusted in the rendering settings, where separate display modes for Rough and Polished scans are now available.
Saw rendering has been improved: non-visible parts are now shaded, and the active layer is highlighted in red with thicker lines. For users who prefer solid mode, this option can now be applied to layers(planes) in the Rendering Settings.
In the new version, the layer movement latency has been significantly reduced. This improvement enables smoother and more precise operation of the Fast Swim tool.
Additionally, rotation around the center (when holding the C key) has become more intuitive.
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Functionality has been implemented to improve the display of information for solutions containing a large number of diamonds.
A Diamond Statistics table has been introduced, which is displayed when the "Diamond statistics" checkbox is enabled.
When editing the Facet Types of a sample, the modified types are not saved to the sample file by default. However, this feature proves to be quite useful and convenient. Therefore, this functionality has been implemented.
To save the modified Facet Types to the sample file, the 'Ok + Update Sample File' button is provided.
The button is disabled when the file is unavailable:
The preplan creation process has been enhanced and stabilized. The "Create sawing preplan" feature now fully supports half-planes, pies, and shapings, including imported Sarin projects.
Two additional ways to create a preplan have been introduced: from the layer's context menu, you can select "Make preplan for cutting part" and "Make preplan for part on glue." "Make preplan for cutting part" creates a preplan for the part of the rough that should be cut off by the sawing. Typically, this is a sawing preplan for the diamond being cut. "Make preplan for part on glue," on the other hand, creates a preplan for the remaining rough part. This is the part of the rough, that remains at the glue point after being cut by this layer.
Fixed a problem that prevented the removal of inclusions from the scene in scenarios involving Cracks (with auxiliary inclusions such as deep point.
Fixed crash when deleting inclusions in a certain scenario and project.
Solution list. Restored cell background colors in multi-diamond mode.
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The pop-up window for the "Change layer thickness" command now correctly:
Responds to the Esc key
Handles default values properly when opened
Glue Point Orientation button now centralizes the solution
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Fixed the copying of preplans. Now, a copied preplan remains a preplan.
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An export option "Diamcalc CutDesigner Basis" was added to HPC to address the axis misalignment between HPC and CutDesigner. Previously, DMC files exported from HPC used a coordinate basis where pear-shaped diamonds were oriented nose-down, whereas CutDesigner expects the orientation to be right-facing.
The issue with the N/A values in the report for the two-tier pear has been resolved.
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