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 each pixel in units. The resolution of the orthophoto will be determined from the pixel size.
TIP: To achieve maximum quality when capturing high-resolution orthophotos, (1) temporarily increase GPU cache and decrease Minimum coverage under Edit > Preferences > Performance, and (2) carefully increase the Size parameter of the materials in use until no unexpected holes occur.
TIP: Orthophoto generation has a resolution limit of 26 thousand pixels in width and height. Depending on the area 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 …

Area

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 New button.
TIP: For orthophoto-rendering of indoor walls, you can use the cross-section tool. In NUBIGON, you can take up to three cross-sections at the same time.

Parameters 

Fill holes: Choose this option to close ‘small’ holes.
Write World file: Forces the generation of a World file (*.tfw) to store the pixel size.

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