Orthophoto

Render > Orthophoto

Resolution

You can choose from one of three resolution types:

  • Choose Viewport to capture an orthophoto of the current viewport resolution.
  • Choosing Max. dimension lets you specify the resolution of the longer side of the orthophoto.
  • Select Pixel size if you want to specify the size of pixels in meters. The resolution of the orthophoto will be determined from the pixel size.

Orthophoto generation has a resolution limit of 26 thousand pixels in width and height. Depending on the region to be captured and the chosen pixel size, this limit might be exceeded. In this case, you will be prompted with the following message in the Console window: Cannot exceed max. dimension of 26000. Increasing pixel size to …

Region

You can choose whether to capture the content of the entire viewport or only a portion of it.

  • Choose Viewport to capture the entire viewport.
  • Selecting User-selected region lets you specify a rectangular region of the viewport after clicking the Export button.

TIP: Use the cross-section tool to discard portions of the point cloud irrelevant to the orthophoto.

Output Options 

  • VRAM per tile [GB]: This parameter controls the number of points rendered in each tile. Increase the value to render more points.
  • X-ray point size: Increase this value if a high-resolution orthophoto appears too dark or sparse.
  • Curve thickness: Increase this value to improve the visibility of curves in orthophotos.
  • Background color and Transparent background let you customize the orthophoto background.
  • Write TFW (World) file: Forces the generation of a World file to store the pixel size.

TIP: The orthophotos generated in NUBIGON are not georeferenced but to scale. When importing an orthophoto into CAD software, make sure to scale it using the TFW file. See the related article below for importing orthophotos into AutoCAD.

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