overlay aerial
The overlay aerial module takes an input field and maps an image onto the horizontal areas of the grid. The image can be projected from one coordinate system to another. It can also be georeferenced if it has an accompanying georeferencing file. All vertical surfaces (walls) can be included in the output but will not have image data mapped to them.
If you need to georeference your image or adjust the georeferencing, you can do so with the Georeference Image Tool on the Tool Tab.
Ports
| Direction | Name | Type | Description |
|---|---|---|---|
| Input | Input Field | Field | The field to overlay with the selected image. |
| Input | Filename | String | Image file used to overlay input field. |
| Input | Input Z Scale | Number | The factor for vertical scaling. |
| Output | Output Filename | String | Image file used to overlay input field. |
| Output | Output Field | Field | The walls created from splitting the input field. |
| Output | Output Object | Renderable | A renderable object displaying the image. |
Properties
| Property | Type | Description |
|---|---|---|
| Allow Run | Boolean | The Allow Run toggle will prevent the module from running when selected. |
| Execute | Button | The Run Once button will cause the module to run one time even if the Allow Run toggle has been turned off. |
| Split Edges | Boolean | Split surfaces when the edge between two neighboring cells is sharp. This improves rendering in most cases. |
| Split Edge Angle | Double | The Split Edge Angle is the maximum angle allowed between two adjacent faces before they are disconnected to create visually sharp edges. |
| Z Scale | Double | The Z Scale is the vertical exaggeration to apply to the display object. |
| Filename | String | The file name to process for display. |
| Image Quality | Choice: Very Low (Up to 256 X 256), Low (Up to 512 X 512, Medium (Up to 1024 X 1024), High (Up to 2048 X 2048), Very High (Up to 4096 X 4096), Maximum (Up to 8192 X 8192) | The Image Quality allows the user to select the maximum resolution to read the input image in at. This allows the user to create a coarse image for faster testing and a high resolution image for the final output. |
| Allow Transparency | Boolean | The Allow Transparency option enables transparency support within the aerial photograph. This allows the inclusion of partially transparent overlays, but can interfere with other transparent objects in the scene. |
| Georeferencing Method | Choice: Map to Min/Max, Translate, 2 Point Translate / Rotate, Translate / Scale, Affine, 2nd Order, 3rd Order, 4th Order | The Georeferencing Method controls how an image will be distorted to fit the input surface. |
| Min Extents | Coordinate | The Min Extents allow the user to set the position of the lower left corner of the image, when the Map to Min / Max Georeferencing method is chosen. |
| Max Extents | Coordinate | The Max Extents allow the user to set the position of the upper right corner of the image, when the Map to Min / Max Georeferencing method is chosen. |
| Texture Bottom Surfaces | Boolean | The Texture Bottom Surfaces toggle will tell the module to texture all surfaces whose normals are pointing downward. |
| Map Data | Boolean | The Map Data toggle will cause the module to pass the first nodal data component through to the renderable object. This will cause a blending between the nodal data color value and the image color. |
| Wall Visibility | Boolean | The Wall Visibility toggle when turned on will display the vertical surfaces or walls. |
| Border And Wall Color | Color | The Border And Wall Color allows the user to set the color to use for border and walls. |
Image Processing
| Property | Type | Description |
|---|---|---|
| Sharpen Image | Boolean | The Sharpen Image toggle will allow the user to sharpen the edges in an image by exaggerating the brightness difference along the edges. |
| Soften Image | Boolean | The Soften Image toggle will allow the user to soften the edges in an image by reducing the brightness difference along the edges. |
| Enhance Edges | Boolean | Enhances the edges of the objects and discards other image information. |
| Brightness | Integer | The Brightness slider can either add or remove brightness from every pixel. |
| Contrast | Integer | The Contrast slider can either add or remove contrast from every pixel, making bright spots brighter and dark spots darker. |
| White Balance Red | Integer | The White Balance Red slider affects the red channel of the white balance. |
| White Balance Green | Integer | The White Balance Green slider affects the green channel of the white balance. |
| White Balance Blue | Integer | The White Balance Blue slider affects the blue channel of the white balance. |
| Gamma Correction Red | Double | The Gamma Correction Red slider affects the gamma value for the red channel. |
| Gamma Correction Green | Double | The Gamma Correction Green slider affects the gamma value for the green channel. |
| Gamma Correction Blue | Double | The Gamma Correction Blue slider affects the gamma value for the blue channel. |
| Reproject Image | Boolean | The Reproject Image toggle allows the user to enable image projections. |
| Image Projection | Projection | The Image Projection allows the user to transform the image from one coordinate system to another. |