bugfix: use supplied xform

src/messaging/nmvSwc/index.ts

 import { Observable, Subject } from "rxjs"
 import { getUuid } from "src/util/fn"
-import { IMessagingActions, IMessagingActionTmpl } from "../types"
+import { IMessagingActions, IMessagingActionTmpl, TVec4 } from "../types"
+import { INmvTransform } from "./type"
 
 export const TYPE = 'bas.datasource'
 
@@ -56,8 +57,9 @@ export const processJsonLd = (json: { [key: string]: any }): Observable<IMessagi
     if (!transformations[0]) {
       return subject.error(`transformations[0] must be defined`)
     }
-    const { toSpace } = transformations[0]
-    
+    const { toSpace, params } = transformations[0] as INmvTransform
+    const { A, b } = params
+
     const iavSpace = translateSpace(toSpace)
     if (!iavSpace) {
       return subject.error(`toSpace with id ${toSpace} cannot be found.`)
@@ -96,7 +98,15 @@ export const processJsonLd = (json: { [key: string]: any }): Observable<IMessagi
       unload: () => {
         URL.revokeObjectURL(tmpUrl)
       },
-      url: tmpUrl
+      url: tmpUrl,
+      resourceParam: {
+        transform: [
+          [...A[0], b[0]] as TVec4,
+          [...A[1], b[1]] as TVec4,
+          [...A[2], b[2]] as TVec4,
+          [0, 0, 0, 1],
+        ]
+      }
     }
     subject.next({
       type: 'loadResource',

src/messaging/nmvSwc/type.ts

+import { TMat3, TVec3 } from "../types";
+
+export interface INmvTransform {
+  ['@type']: 'bas.AffineTransformation'
+  fromSpace: string
+  toSpace: string
+  params: {
+    A: TMat3
+    b: TVec3
+  }
+}
\ No newline at end of file

src/messaging/types.ts

@@ -8,11 +8,21 @@ interface IResourceType {
   swc: string
 }
 
+export type TVec4 = [number, number, number, number]
+export type TVec3 = [number, number, number]
+export type TMat3 = [TVec3, TVec3, TVec3]
+export type TMat4 = [TVec4, TVec4, TVec4, TVec4]
+
+interface ICommonResParam {
+  transform: TMat4
+}
+
 interface ILoadResource {
   ['@id']: string
   ['@type']: keyof IResourceType
   url: string
   unload: () => void
+  resourceParam: ICommonResParam
 }
 
 interface IUnloadResource {

src/messagingGlue.ts

@@ -63,11 +63,12 @@ export class MessagingGlue implements IWindowMessaging, OnDestroy {
       unload,
       url,
       ["@type"]: type,
-      ["@id"]: swcLayerUuid
+      ["@id"]: swcLayerUuid,
+      resourceParam
     } = payload
 
     if (type === 'swc') {
-
+      const { transform } = resourceParam
       const layer = {
         name: swcLayerUuid,
         id: swcLayerUuid,
@@ -77,6 +78,7 @@ export class MessagingGlue implements IWindowMessaging, OnDestroy {
         "segments": [
           "1"
         ],
+        transform,
       }
 
       this.store.dispatch(