# Actual size of stl models

**URL:** <https://discourse.slicer.org/t/actual-size-of-stl-models/5005>\
**Category:** Support\
**Created:** [December 7, 2018, 2:25pm UTC](https://discourse.slicer.org/t/actual-size-of-stl-models/5005 "2018-12-07T14:25:24Z")\
**Posts on this page:** 1\
**Showing post:** 17

<div class="post-metadata">

**Author:** ![kopachini](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/kopachini/32/65543_2.png) [@kopachini](https://discourse.slicer.org/u/kopachini)\
**Post date:** [December 16, 2018, 4:28pm UTC](https://discourse.slicer.org/t/actual-size-of-stl-models/5005/17 "2018-12-16T16:28:05Z")

</div>

Unfortunately, DICOM data is too big to send (a bit over 1 Gb) so there is image position and orientation for soft tissue window:

> **DICOM header**
>
> [0008,0000] GenericGroupLength 624 UL 4  
> [0008,0005] SpecificCharacterSet ISO\_IR 100 CS 10  
> [0008,0008] ImageType [3] ORIGINAL, PRIMARY, AXIAL CS 22  
> [0008,0012] InstanceCreationDate 20170204 DA 8  
> [0008,0013] InstanceCreationTime 224427 TM 6  
> [0008,0016] SOPClassUID 1.2.840.10008.5.1.4.1.1.2 UI 26  
> [0008,0018] SOPInstanceUID 1.2.840.113619.2.55.3.2831158528.79.1486038504.898.1 UI 52  
> [0008,0020] StudyDate 20170204 DA 8  
> [0008,0021] SeriesDate 20170204 DA 8  
> [0008,0022] AcquisitionDate 20170204 DA 8  
> [0008,0023] ContentDate 20170204 DA 8  
> [0008,0030] StudyTime 224203 TM 6  
> [0008,0031] SeriesTime 224305 TM 6  
> [0008,0032] AcquisitionTime 224317.511830 TM 14  
> [0008,0033] ContentTime 224427 TM 6  
> [0008,0050] AccessionNumber SH 0  
> [0008,0060] Modality CT CS 2  
> [0008,0070] Manufacturer GE MEDICAL SYSTEMS LO 18  
> [0008,0080] InstitutionName LO 12  
> [0008,0081] InstitutionAddress UNKNOWN ST 8  
> [0008,0090] ReferringPhysicianName pedijatrija PN 12  
> [0008,1010] StationName CT\_VK SH 6  
> [0008,1030] StudyDescription CT MOZGA LO 8  
> [0008,103e] SeriesDescription DETAIL 0.625 LO 12  
> [0008,1050] PerformingPhysicianName PN 0  
> [0008,1060] NameOfPhysiciansReadingStudy PN 0  
> [0008,1070] OperatorsName M.P PN 4  
> [0008,1090] ManufacturerModelName Optima CT540 LO 12  
> [0008,1140] ReferencedImageSequence SQ 122  
> [fffe,e000] Item na 106  
> [0008,0000] GenericGroupLength 94 UL 4  
> [0008,1150] ReferencedSOPClassUID 1.2.840.10008.5.1.4.1.1.2 UI 26  
> [0008,1155] ReferencedSOPInstanceUID 1.2.840.113619.2.55.3.2831158528.79.1486038504.816.2 UI 52  
> [0009,0000] PrivateGroupLength 94 UL 4  
> [0009,0010] PrivateCreator GEMS\_IDEN\_01 LO 12  
> [0009,1001] FullFidelity CT\_LIGHTSPEED LO 14  
> [0009,1002] SuiteId CT99 SH 4  
> [0009,1004] ProductId Optima CT540 SH 12  
> [0009,1027] ImageActualDate 1486248185 SL 4  
> [0009,10e3] EquipmentUID UI 0  
> [0010,0000] GenericGroupLength 92 UL 4  
> [0010,0010] PatientName PN 12  
> [0010,0020] PatientID LO 10  
> [0010,0030] PatientBirthDate DA 8  
> [0010,0040] PatientSex M CS 2  
> [0010,1000] RETIRED\_OtherPatientIDs LO 0  
> [0010,1010] PatientAge 016Y AS 4  
> [0010,21b0] AdditionalPatientHistory LT 0  
> [0018,0000] GenericGroupLength 396 UL 4  
> [0018,0022] ScanOptions AXIAL MODE CS 10  
> [0018,0050] SliceThickness 0.625000 DS 8  
> [0018,0060] KVP 120 DS 4  
> [0018,0088] SpacingBetweenSlices 0.631941 DS 8  
> [0018,0090] DataCollectionDiameter 250.000000 DS 10  
> [0018,1000] DeviceSerialNumber \* LO 2  
> [0018,1020] SoftwareVersions bj\_sles\_cl.68 LO 14  
> [0018,1030] ProtocolName 1.1 MOZAK KONTRAST M LO 20  
> [0018,1100] ReconstructionDiameter 250.000000 DS 10  
> [0018,1110] DistanceSourceToDetector 949.075000 DS 10  
> [0018,1111] DistanceSourceToPatient 541.000000 DS 10  
> [0018,1120] GantryDetectorTilt 8.500000 DS 8  
> [0018,1130] TableHeight 167.000000 DS 10  
> [0018,1140] RotationDirection CW CS 2  
> [0018,1150] ExposureTime 800 IS 4  
> [0018,1151] XRayTubeCurrent 299 IS 4  
> [0018,1152] Exposure 14 IS 2  
> [0018,1160] FilterType HEAD FILTER SH 12  
> [0018,1170] GeneratorPower 52800 IS 6  
> [0018,1190] FocalSpots 1.200000 DS 8  
> [0018,1210] ConvolutionKernel DETAIL SH 6  
> [0018,5100] PatientPosition HFS CS 4  
> [0018,9305] RevolutionTime 0.8 FD 8  
> [0018,9306] SingleCollimationWidth 0.625 FD 8  
> [0018,9307] TotalCollimationWidth 10 FD 8  
> [0019,0000] PrivateGroupLength 292 UL 4  
> [0019,0010] PrivateCreator GEMS\_ACQU\_01 LO 12  
> [0019,1002] NumberOfCellsInDetector 912 SL 4  
> [0019,1003] CellNumberAtTheta 389.750000 DS 10  
> [0019,1004] CellSpacing 1.023900 DS 8  
> [0019,100f] HorizontalFrameOfReference 557.500000 DS 10  
> [0019,1011] SeriesContrast 0 SS 2  
> [0019,1018] FirstScanRAS I LO 2  
> [0019,101a] LastScanRAS I LO 2  
> [0019,1023] TableSpeed 0.000000 DS 8  
> [0019,1024] MidScanTime 0.400000 DS 8  
> [0019,1025] MidScanFlag 1 SS 2  
> [0019,1026] DegreesOfAzimuth 355 SL 4  
> [0019,1027] GantryPeriod 0.800000 DS 8  
> [0019,102c] NumberOfTriggers 995 SL 4  
> [0019,102e] AngleOfFirstView 0.000000 DS 8  
> [0019,102f] TriggerFrequency 1230.000000 DS 12  
> [0019,1039] ScanFOVType 2 SS 2  
> [0019,1042] SegmentNumber 0 SS 2  
> [0019,1043] TotalSegmentsRequested 0 SS 2  
> [0019,1047] ViewCompressionFactor 1 SS 2  
> [0019,1052] ReconPostProcessingFlag 1 SS 2  
> [0019,106a] DependantOnNumberOfViewsProcessed 2 SS 2  
> [0020,0000] GenericGroupLength 348 UL 4  
> [0020,000d] StudyInstanceUID 1.2.840.113619.2.55.3.2831158528.79.1486038504.811 UI 50  
> [0020,000e] SeriesInstanceUID 1.2.840.113619.2.55.3.2831158528.79.1486038504.817.4 UI 52  
> [0020,0010] StudyID 6573 SH 4  
> [0020,0011] SeriesNumber 4 IS 2  
> [0020,0012] AcquisitionNumber 1 IS 2  
> [0020,0013] InstanceNumber 1 IS 2  
> [0020,0032] ImagePositionPatient [3] -121.200, -115.027, -180.757 DS 26  
> [0020,0037] ImageOrientationPatient [6] 1.000000, 0.000000, 0.000000, 0.000000, 0.989016, -0.147809 DS 54  
> [0020,0052] FrameOfReferenceUID 1.2.840.113619.2.55.3.2831158528.79.1486038504.813.5575.1 UI 58  
> [0020,1040] PositionReferenceIndicator OM LO 2  
> [0020,1041] SliceLocation -197.948 DS 8  
> [0021,0000] PrivateGroupLength 84 UL 4  
> [0021,0010] PrivateCreator GEMS\_RELA\_01 LO 12  
> [0021,1003] SeriesFromWhichPrescribed 2 SS 2  
> [0021,1035] SeriesFromWhichPrescribed 1 SS 2  
> [0021,1036] ImageFromWhichPrescribed 2 SS 2  
> [0021,1091] BiopsyPosition 0 SS 2  
> [0021,1092] BiopsyTLocation 0 FL 4  
> [0021,1093] BiopsyRefLocation 0 FL 4  
> [0023,0000] PrivateGroupLength 36 UL 4  
> [0023,0010] PrivateCreator GEMS\_STDY\_01 LO 12  
> [0023,1070] StartTimeSecsInFirstAxial 1486248197.5118301 FD 8  
> [0027,0000] PrivateGroupLength 182 UL 4  
> [0027,0010] PrivateCreator GEMS\_IMAG\_01 LO 12  
> [0027,1010] ScoutType 0 SS 2  
> [0027,101c] VmaMamp 0 SL 4  
> [0027,101e] VmaMod 0 SL 4  
> [0027,101f] VmaClip 38 SL 4  
> [0027,1020] SmartScanOnOffFlag 2 SS 2  
> [0027,1035] PlaneType 2 SS 2  
> [0027,1042] CenterRCoordOfPlaneImage -3.8 FL 4  
> [0027,1043] CenterACoordOfPlaneImage -8.6000004 FL 4  
> [0027,1044] CenterSCoordOfPlaneImage -199.23328 FL 4  
> [0027,1045] NormalRCoord 0 FL 4  
> [0027,1046] NormalACoord -0.1478094 FL 4  
> [0027,1047] NormalSCoord 0.98901588 FL 4  
> [0027,1050] TableStartLocation 0 FL 4  
> [0027,1051] TableEndLocation 0 FL 4  
> [0028,0000] GenericGroupLength 182 UL 4  
> [0028,0002] SamplesPerPixel 1 US 2  
> [0028,0004] PhotometricInterpretation MONOCHROME2 CS 12  
> [0028,0010] Rows 512 US 2  
> [0028,0011] Columns 512 US 2  
> [0028,0030] PixelSpacing [2] 0.488281, 0.488281 DS 18  
> [0028,0100] BitsAllocated 16 US 2  
> [0028,0101] BitsStored 16 US 2  
> [0028,0102] HighBit 15 US 2  
> [0028,0103] PixelRepresentation 1 US 2  
> [0028,0120] PixelPaddingValue -2000 SS 2  
> [0028,1050] WindowCenter 40 DS 2  
> [0028,1051] WindowWidth 100 DS 4  
> [0028,1052] RescaleIntercept -1024 DS 6  
> [0028,1053] RescaleSlope 1 DS 2  
> [0028,1054] RescaleType HU LO 2  
> [0040,0000] GenericGroupLength 68 UL 4  
> [0040,0244] PerformedProcedureStepStartDate 20170204 DA 8  
> [0040,0245] PerformedProcedureStepStartTime 224203 TM 6  
> [0040,0253] PerformedProcedureStepID PPS ID 6573 SH 14  
> [0040,0254] PerformedProcedureStepDescription CT MOZGA LO 8  
> [0043,0000] PrivateGroupLength 310 UL 4  
> [0043,0010] PrivateCreator GEMS\_PARM\_01 LO 12  
> [0043,1010] WindowValue 100 US 2  
> [0043,1012] XrayChain [3] 99, 99, 99 SS 6  
> [0043,1016] NumberOfOverranges -1 SS 2  
> [0043,101e] DeltaStartTime 0.000000 DS 8  
> [0043,101f] MaxOverrangesInAView 0 SL 4  
> [0043,1021] CorrectedAfterglowTerms 0 SS 2  
> [0043,1025] ReferenceChannels [6] 0, 0, 0, 0, 0, 0 SS 12  
> [0043,1026] NoViewsRefChannelsBlocked [4] 0, 0, 0, 0 US 8  
> [0043,1027] ScanPitchRatio SH 0  
> [0043,1028] UniqueImageIdentifier 30 OB 2  
> [0043,102b] PrivateScanOptions [4] 2, 0, 1, 0 SS 8  
> [0043,1031] RACoordOfTargetReconCentre [2] -3.800000, -8.600000 DS 20  
> [0043,1040] TriggerOnPosition 211.2484 FL 4  
> [0043,1041] DegreeOfRotation 364.024384 FL 4  
> [0043,1042] DASTriggerSource 0 SL 4  
> [0043,1043] DASFpaGain 0 SL 4  
> [0043,1044] DASOutputSource 0 SL 4  
> [0043,1045] DASAdInput 0 SL 4  
> [0043,1046] DASCalMode 0 SL 4  
> [0043,104d] StartScanToXrayOnDelay 0 FL 4  
> [0043,104e] DurationOfXrayOn 0.80000001 FL 4  
> [0043,1064] Unknown Tag & Data CS 0  
> [0045,0000] PrivateGroupLength 316 UL 4  
> [0045,0010] PrivateCreator GEMS\_HELIOS\_01 LO 14  
> [0045,1001] Unknown Tag & Data 16 SS 2  
> [0045,1002] Unknown Tag & Data 0.625 FL 4  
> [0045,1003] Unknown Tag & Data 22 SS 2  
> [0045,1004] Unknown Tag & Data 5 SS 2  
> [0045,1006] Unknown Tag & Data OUT OF GANTRY CS 14  
> [0045,1007] Unknown Tag & Data 0 FL 4  
> [0045,1008] Unknown Tag & Data 0 SS 2  
> [0045,1009] Unknown Tag & Data 17 SS 2  
> [0045,100a] Unknown Tag & Data 0 FL 4  
> [0045,100b] Unknown Tag & Data 0 FL 4  
> [0045,100c] Unknown Tag & Data 0 SS 2  
> [0045,100d] Unknown Tag & Data 0 SS 2  
> [0045,100e] Unknown Tag & Data 0 FL 4  
> [0045,100f] Unknown Tag & Data 0 FL 4  
> [0045,1010] Unknown Tag & Data 0 SS 2  
> [0045,1011] Unknown Tag & Data 0 SS 2  
> [0045,1012] Unknown Tag & Data 0 SS 2  
> [0045,1013] Unknown Tag & Data 12 SS 2  
> [0045,1014] Unknown Tag & Data 0 SS 2  
> [0045,1015] Unknown Tag & Data 0 SS 2  
> [0045,1016] Unknown Tag & Data 0 SS 2  
> [0045,1017] Unknown Tag & Data 0 SS 2  
> [0045,1018] Unknown Tag & Data 0 SS 2  
> [0045,1021] Unknown Tag & Data 1 SS 2  
> [0045,1022] Unknown Tag & Data 0 SS 2  
> [0045,1032] Unknown Tag & Data 0.80000001 FL 4  
> [0045,103b] Unknown Tag & Data LO 0  
> [0053,0000] PrivateGroupLength 162 UL 4  
> [0053,0010] PrivateCreator GEHC\_CT\_ADVAPP\_001 LO 18  
> [0053,1020] Unknown Tag & Data 0 IS 2  
> [0053,1060] Unknown Tag & Data SH 0  
> [0053,1061] Unknown Tag & Data 0 SH 2  
> [0053,1062] Unknown Tag & Data 0 SH 2  
> [0053,1064] Unknown Tag & Data 0 IS 2  
> [0053,1065] Unknown Tag & Data 0 IS 2  
> [0053,1066] Unknown Tag & Data 120kV LO 6  
> [0053,1067] Unknown Tag & Data 0 IS 2  
> [0053,1068] Unknown Tag & Data 1 IS 2  
> [0053,106a] Unknown Tag & Data 0 IS 2  
> [0053,106b] Unknown Tag & Data 0 IS 2  
> [0053,106c] Unknown Tag & Data DS 0  
> [0053,106d] Unknown Tag & Data DS 0  
> [0053,109d] Unknown Tag & Data LO 0  
> [7fe0,0000] GenericGroupLength 524300 UL 4  
> [7fe0,0010] PixelData f830 OW 524288

hope this helps, if not let me know and we’ll think of something else.

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