초록 ▼

A geometric model comparator is provided, which includes processing circuitry, memory, and comparison circuitry. The processing circuitry is configured to generate a target model from a source model. The memory is configured to store the source model and the target model. The comparison circuitry

A geometric model comparator is provided, which includes processing circuitry, memory, and comparison circuitry. The processing circuitry is configured to generate a target model from a source model. The memory is configured to store the source model and the target model. The comparison circuitry is configured to identify selected points from the source model, create corresponding selected points in a target model, and compare the selected points from the source model with the selected points from the target model to identify one or more selected points from the target model that fall outside of a predetermined tolerance range with the respective one or more points from the source model. A method is also provided.

대표청구항 ▼

The invention claimed is: 1. A machine-executed method for comparing computational geometry system translations, comprising: extracting point cloud data from geometric data in a pre-existing source geometric model and pre-existing source geometric data related to one of a surface, an edge, a curve,

The invention claimed is: 1. A machine-executed method for comparing computational geometry system translations, comprising: extracting point cloud data from geometric data in a pre-existing source geometric model and pre-existing source geometric data related to one of a surface, an edge, a curve, and an alternative geometric entity in the source CAD system; generating translated target geometric data in a target CAD system using the pre-existing source geometric model, the translated target geometric data comprising point cloud data extracted from geometric data in the translated target geometric model and translated target geometric data related to one of a surface, an edge, a curve, and an alternative geometric entity in the target CAD system; comparing the point cloud data extracted from geometric data in the pre-existing source geometric model with the translated target geometric data related to one of a surface, an edge, a curve, and an alternative geometric entity in the target CAD system, and reversely comparing the point cloud data extracted from geometric data in the translated target geometric model with the pre-existing source geometric data related to one of a surface, an edge, a curve, and an alternative geometric entity in the source CAD system to identify a discrepancy between the translated target geometric data and the pre-existing source geometric data; and after comparing, visually displaying to a user the identified discrepancy in the translated target geometric model or source geometric model if the identified discrepancy is beyond a pre-determined distance tolerance set by the user. 2. The method of claim 1 wherein, after identifying a discrepancy, further comprising identifying another discrepancy between the point cloud data extracted from geometric data in the pre-existing source geometric model and the translated target geometric data related to one of a surface, an edge, a curve, and an alternative geometric entity in the target CAD system, and reversely between the point cloud data extracted from geometric data in the translated target geometric model with the pre-existing source geometric data related to one of a surface, an edge, a curve, and an alternative geometric entity in the source CAD system, and notifying the user after comparison, if the identified another discrepancy is beyond the pre-determined distance tolerance set by the user. 3. The method of claim 1 wherein, after extracting the pre-existing source geometric model, further comprising opening the pre-existing source geometric model using the source CAD system. 4. The method of claim 1 wherein, after opening the pre-existing source geometric model using the source CAD system, extracting the point cloud data from geometric data in the source geometric model. 5. The method of claim 4 further comprising storing the extracted source comparison reference data in a metafile format. 6. The method of claim 1 wherein, after generating translated target geometric data for the translated target geometric model, further comprising opening the translated target geometric model using the target CAD system. 7. The method of claim 1 wherein, after opening the translated target geometric model using the target CAD system, extracting the point cloud data from geometric data in the target geometric model. 8. The method of claim 7 further comprising storing the extracted target comparison reference data in a metafile format. 9. A machine-executed method for implementing a geometric model conversion on a computer system, the method comprising: receiving a pre-existing source geometric model at a computer; storing the pre-existing source geometric model in memory of the computer; converting the pre-existing source geometric model to a translated target geometric model; extracting source comparison reference data from the pre-existing source geometric model, the source comparison reference data comprising point cloud data extracted from the geometric data in the pre-existing source geometric model and pre-existing source geometric data related to one of a surface, an edge, a curve, and an alternative geometric entity in the source CAD system; extracting target comparison reference data from the translated target geometric model, the target comparison reference data comprising point cloud data extracted from geometric data in the translated target geometric model and translated target geometric data related to one of a surface, an edge, a curve, and an alternative geometric entity in the target CAD system; and comparing the point cloud data extracted from the pre-existing source geometric model with the translated target geometric data related to one of a surface, an edge, a curve, and an alternative geometric entity in the target CAD system, and reversely comparing the point cloud data extracted from the translated target geometric model with the pre-existing source geometric data related to one of a surface, an edge, a curve, and an alternative geometric entity in the source CAD system to identify a discrepancy between the translated target geometric data and the pre-existing source geometric data. 10. The method of claim 9 wherein comparing comprises determining whether point cloud data from the translated target geometric model lies outside of one of a surface, an edge, a curve, and an alternative geometric entity from the pre-existing source geometric model using a pre-determined distance tolerance set by a user. 11. The method of claim 9 wherein comparing comprises determining whether point cloud data from the source geometric model lies outside of one of a surface, an edge, a curve, and an alternative geometric entity from the translated target geometric model using a pre-determined distance tolerance set by a user. 12. The method of claim 9 wherein the point cloud data from the pre-existing source geometric model identifies one of a surface, an edge of a surface, a curve, and an alternative geometric entity in the pre-existing source geometric model and the point cloud data from the translated target geometric model identifies one of a surface, an edge of a surface, a curve, and an alternative geometric entity in the translated target geometric model. 13. The method of claim 9, responsive to comparing, notifying a user, after a geometric discrepancy is identified, if the identified discrepancy is beyond a pre-determined distance tolerance. 14. The method of claim 9, responsive to converting, interrupting a user through a user interface when a problem is encountered during converting the pre-existing source geometric model to the translated target geometric model. 15. A geometric model comparator, comprising: processing circuitry configured to generate a translated target geometric model from a pre-existing source geometric model; memory configured to store the pre-existing source geometric model and the translated target geometric model; and comparison circuitry configured to: identify selected point cloud data points from the pre-existing source geometric model, identify selected point cloud data points in a translated target geometric model; compare the point cloud data extracted from the pre-existing source geometric model with the translated target geometric data related to one of a surface, an edge, a curve, and an alternative geometric entity in the target CAD system to identify one of a surface, an edge, a curve, and an alternative geometric entity from the translated target geometric model that falls outside of a predetermined distance tolerance with the respective one or more points of the point cloud data from the pre-existing source geometric model; and compare the point cloud data extracted from the translated target geometric model with the pre-existing source geometric data related to one of a surface, an edge, a curve, and an alternative geometric entity in the source CAD system to identify one of a surface, an edge, a curve, and an alternative geometric entity from the pre-existing source geometric model that falls outside of a predetermined distance tolerance with the respective one or more points of the point cloud data from the translated target geometric model. 16. The comparator of claim 15 wherein the comparison circuitry implements a forward comparison between the selected point cloud data points from the pre-existing source geometric model and one of a surface, an edge, a curve, and an alternative geometric entity of the translated target geometric model in target CAD system. 17. The comparator of claim 15 wherein the comparison circuitry implements a reverse comparison between one of a surface, an edge, a curve, and an alternative geometric entity of the pre-existing source geometric model and the respective selected point cloud data points from the translated target geometric model. 18. The comparator of claim 15 wherein the comparison circuitry implements a bi-directional comparison between one of a surface, an edge, a curve, and an alternative geometric entity of the pre-existing source geometric model and the respective selected point cloud data points from the translated target geometric model and between the selected point cloud data points from the pre-existing source geometric model and one of a surface, an edge, a curve, and an alternative geometric entity of the translated target geometric model. 19. The comparator of claim 15 wherein the comparison circuitry implements a bounding box comparison comprising comparison of a minimized box that fits around selected points from the translated target geometric model with a minimized box that fits around one of a curve, an edge, a surface, and an alternative geometric entity of the pre-existing source geometric model. 20. The comparator of claim 15 wherein the comparison circuitry implements a bounding box comparison comprising comparison of a minimized box that fits around selected points from the source geometric model with a minimized box that fits around one of a curve, an edge, a surface, and an alternative geometric entity of the translated target geometric model. 21. The comparator of claim 15 wherein the comparison circuitry is configured to measure a distance from a selected point in the point cloud data of translated target geometric model to the nearest geometric entity in the source geometric model and reversely measure a distance from a selected point in the point cloud data of source geometric model to the nearest geometric entity in the translated target geometric model and if the distance fall outside of a pre-determined distance tolerance, initiate notification of a user of the geometric model comparator of a discrepancy between the translated target geometric model and the pre-existing source geometric model. 22. The comparator of claim 15 wherein the comparison circuitry saves selected different points having the discrepancy between the pre-existing source geometric model and the translated target geometric model into an error file comprising points in the point cloud that are outside a pre-determined distance tolerance. 23. A geometric model translation system, comprising: memory to receive input data of a pre-existing source geometric model; processing circuitry configured to convert the input data of the pre-existing source geometric model into corresponding output data of a translated target geometric model, wherein the processing circuitry extracts source comparison reference data from the pre-existing source geometric model and target comparison reference data from the translated target geometric model, and wherein the source comparison reference data comprises point cloud data extracted from geometric data in the pre-existing source geometric model and pre-existing source geometric data related to one of a surface, an edge, a curve, and an alternative geometric entity in the source CAD system and target comparison reference data comprises point cloud data extracted from geometric data in the translated target geometric model and translated target geometric data related to one of a surface, an edge, a curve, and an alternative geometric entity in the target CAD system; a geometric model comparator implemented in the processing circuitry and configured to compare the point cloud data extracted from the pre-existing source geometric model with the translated target geometric data related to one of a surface, an edge, a curve, and an alternative geometric entity in the target CAD system, and reversely compare the point cloud data extracted from the translated target geometric model with the pre-existing source geometric data related to one of a surface, an edge, a curve, and an alternative geometric entity in the source CAD system to identify a discrepancy between the translated target geometric data and the pre-existing source geometric data. 24. The system of claim 23 wherein the source comparison reference data is stored in a metafile format. 25. The system of claim 23 wherein the geometric model comparator is implemented in the processing circuitry. 26. The system of claim 23 wherein a target geometric output file is generated comprising translated point cloud data points corresponding to the geometric location of at least one of an edge, a surface, a curve, and an alternative geometric entity of the pre-existing source geometric model. 27. The system of claim 23 wherein the target comparison reference data is stored in a metafile format. 28. The system of claim 23 wherein a source geometric output file is generated comprising translated point cloud data points corresponding to the geometric location of at least one of an edge, a surface, a curve, and an alternative geometric entity of the target geometric model. 29. A machine-executed method for implementing a geometric model conversion on a computer system, the method comprising: receiving a pre-existing source geometric model at a computer; storing the pre-existing source geometric model in memory of the computer; converting the pre-existing source geometric model to a translated target geometric model; extracting source reference data from the pre-existing source geometric model and target reference data from the translated target geometric model, wherein the source reference data comprises point cloud data extracted from geometric data in the pre-existing source geometric model and target reference data comprises point cloud data extracted from geometric data in the translated target geometric model; importing the source reference data into the translated target geometric model and the target reference data into the pre-existing source geometric model; comparing the extracted source reference data with one of a surface, an edge, a curve, and an alternative geometric entity from the translated target geometric model in a target CAD system to identify geometric discrepancy between them; and comparing the target reference data with one of a surface, an edge, a curve, and an alternative geometric entity from the pre-existing source geometric model in a source CAD system, to identify geometric discrepancy between them.