TTransform: Razlika med redakcijama
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| Vrstica 34: | Vrstica 34: | ||
<declaration> | <declaration> | ||
Method|TTransform.Edit | Method|TTransform.Edit | ||
| − | Result|Boolean| | + | Result|Optional Boolean|Vrne ''true/false'' glede na to, ali je uporabnik zapustil masko s ''Potrdi'' oz. ''Opusti''. |
</declaration> | </declaration> | ||
Redakcija: 09:58, 24. marec 2010
Razred TTransform je namenjen transformaciji koordinat.
Tipično se uporablja na dva načina.
Uporabnik lahko sam nastavi parametre v prikazanem oknu:
// odpre masko z nastavitvami in nato izvede transformacijo
If Transform.Edit Then
Transform.Execute
EndIfali pa izvede transformacijo s fiksnimi nastavitvami:
// naredi nekaj
Transform.InputLayer = [ime plasti]
Transform.OutputLayer = L2
Transform.TransformType = 1
Transform.TransformLayer = L
Transform.TransformCoorType = 2
If InputPolygon ("Vnesi območje transformacije", PA) Then
Transform.Area = PA
Destroy (PA)
Else
Transform.Area = Nil
EndIf
Transform.ExecuteEdit
Metoda Edit odpre masko za roćno določanje nastavitev transformacije.
| Method TTransform.Edit As Boolean | ||
| Result | Optional Boolean | Vrne true/false glede na to, ali je uporabnik zapustil masko s Potrdi oz. Opusti. |
Execute
Method TTransform.Execute As BooleanMetoda Execute izvede transformacijo podatkov iz vhodne v izhodno podatkovno plast. Metoda vrne true/false glede na to, ali se je transformacija uspešno izvedla.
InputLayer
Property TTransform.InputLayer As TLayerLastnosti InputLayer nastavimo vhodno podatkovno plast transformacije. Kadar se nastavi InputRecordList, je ni potrebno nastavljati, ker se upošteva kar podatkovna plast iz liste zapisov.
InputRecordList
Property TTransform.InputRecordList As TRecordListLastnosti InputRecordList nastavimo vhodno listo zapisov transformacije. Če se ne nastavi oz. je nastavljena na nil, se privzame lista vseh zapisov. Če se nastavi, ni potrebno dodatno nastavljati InputLayer, saj se plast prevzame iz liste zapisov.
TransformType
0 - Linearna transformacija 1 - Po kvadratu oddaljenosti 2 - Kvadrat oddaljenosti (Veliko transformacijskih točk) 3 - Med koordinatnimi sistemi
TransformLayer
TransformRecordList
TransformCoorType
0 - Centroid + Nova lokacija 1 - Centroid + Stara lokacija 2 - Linija (stare proti novi lokaciji)
'
TransformFieldY
TransformFieldX
OutputLayer|Property TTransform.OutputLayer As TLayerLastnost OutputLayer nastavlja izhodno plast transformacije. Če se ne nastavi, se avtomatsko naredi nova plast in je po Execute ukazu shranjena referenca na novo plast. Če pa je nastavljena, se podatki in struktura obstoječe plasti briše in ponovno nastavi iz vhodne plasti za transformacijo.
Transform.OutputLayer = [Ime Plasti]Area
Area
Property TTransform.Area As TPointArrayProperty Area .
| Result | TPointArray | . |
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Edit
Method TTransform.Edit As BooleanMethod Edit .
| Result | Boolean | . |
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Execute
Method TTransform.Execute As BooleanMethod Execute .
| Result | Boolean | . |
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InputLayer
Property TTransform.InputLayer As TLayerProperty InputLayer .
| Result | TLayer | . |
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InputRecordList
Property TTransform.InputRecordList As TRecordListProperty InputRecordList .
| Result | TRecordList | . |
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OutputLayer
Property TTransform.OutputLayer As TLayerProperty OutputLayer .
| Result | TLayer | . |
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TransformBasePointAngle
Property TTransform.TransformBasePointAngle As FloatProperty TransformBasePointAngle .
| Result | Float | . |
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TransformBasePointDeltaX
Property TTransform.TransformBasePointDeltaX As FloatProperty TransformBasePointDeltaX .
| Result | Float | . |
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TransformBasePointDeltaY
Property TTransform.TransformBasePointDeltaY As FloatProperty TransformBasePointDeltaY .
| Result | Float | . |
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TransformBasePointFacX
Property TTransform.TransformBasePointFacX As FloatProperty TransformBasePointFacX .
| Result | Float | . |
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TransformBasePointFacY
Property TTransform.TransformBasePointFacY As FloatProperty TransformBasePointFacY .
| Result | Float | . |
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TransformBasePointX
Property TTransform.TransformBasePointX As FloatProperty TransformBasePointX .
| Result | Float | . |
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TransformBasePointY
Property TTransform.TransformBasePointY As FloatProperty TransformBasePointY .
| Result | Float | . |
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TransformCoorType
Property TTransform.TransformCoorType As LongProperty TransformCoorType .
| Result | Long | . |
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TransformFieldX
Property TTransform.TransformFieldX As TFieldProperty TransformFieldX .
| Result | TField | . |
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TransformFieldY
Property TTransform.TransformFieldY As TFieldProperty TransformFieldY .
| Result | TField | . |
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TransformInputCS
Property TTransform.TransformInputCS As StringProperty TransformInputCS .
| Result | String | . |
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TransformLayer
Property TTransform.TransformLayer As TLayerProperty TransformLayer .
| Result | TLayer | . |
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TransformOutputCS
Property TTransform.TransformOutputCS As StringProperty TransformOutputCS .
| Result | String | . |
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TransformRecordList
Property TTransform.TransformRecordList As TRecordListProperty TransformRecordList .
| Result | TRecordList | . |
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TransformType
Property TTransform.TransformType As LongProperty TransformType .
| Result | Long | . |