docs(renderer,ctf): fix typescript inheritance

Author: bourdaisj

Sources/Rendering/Core/ColorTransferFunction/index.d.ts

@@ -269,13 +269,6 @@ export interface vtkColorTransferFunction extends vtkScalarsToColors {
    */
   fillFromDataPointer(nb: number, ptr: any): void;
 
-  /**
-   * Set the range of scalars being mapped.
-   * @param {Number} min
-   * @param {Number} max
-   */
-  setMappingRange(min: number, max: number): void;
-
   /**
    * Remove all points out of the new range, and make sure there is a point at
    * each end of that range.

Sources/Rendering/Core/Renderer/index.d.ts

@@ -628,6 +628,32 @@ export interface vtkRenderer extends vtkViewport {
 	 * Not Implemented yet
 	 */
 	visibleVolumeCount(): any;
+
+	/**
+     * Set the viewport background.
+	 *
+     * @param {Number} r Defines the red component (between 0 and 1).
+     * @param {Number} g Defines the green component (between 0 and 1).
+     * @param {Number} b Defines the blue component (between 0 and 1).
+     * @param {Number} b Defines the alpha component (between 0 and 1).
+     */
+	setBackground(r: number, g: number, b: number, a: number): boolean;
+
+	/**
+     * Set the viewport background.
+	 *
+     * @param {Number} r Defines the red component (between 0 and 1).
+     * @param {Number} g Defines the green component (between 0 and 1).
+     * @param {Number} b Defines the blue component (between 0 and 1).
+     */
+    setBackground(r: number, g: number, b: number): boolean;
+
+	/**
+     * Set the viewport background.
+	 *
+     * @param {Number[]} background The RGB color array.
+     */
+    setBackground(background: number[]): boolean;
 }
 
 /**