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UltraMap Studio Part #7: Orthomosaic seamline editing

Blog , Product Features
15 November 2022
UltraMap Studio Orthomosaic Seamline Editing

One of the key steps in the production of large-scale digital orthophotos is stitching multiple neighboring ortho images into one seamless composite orthomosaic. In rare cases, the automated generation of the final seamless orthophoto creates unwanted artefacts on the stitched images. The ortho workflow within UltraMap Studio offers a seamline editing tool to manually choose the most suitable image to texture the orthomosaic in a certain area and modify the geometry of the seamlines.

UltraMap Studio Orthomosaic Seamline Editing

One of the key steps in the production of large-scale digital orthophotos is stitching multiple neighboring ortho images into one seamless composite orthomosaic. In rare cases, the automated generation of the final seamless orthophoto creates unwanted artefacts on the stitched images. The ortho workflow within UltraMap Studio offers a seamline editing tool to manually choose the most suitable image to texture the orthomosaic in a certain area and modify the geometry of the seamlines.

 

Refine seamlines to visually enhance your orthomosaic.

 

Versatile seamline functionality


UltraMap shows the seamlines as colored regions. Each colored region represents the used input image. The border between two regions indicates the seamline.

 

Colored regions in a DSMOrtho:

Colored regions in a DSMOrtho

Colored regions in a DTMOrtho:

Colored regions in a DTMOrtho

Modify an orthomosaic by seamline editing


In this example, the seamline passes right through the building and therefore opposite facades are leaning towards the center of the building.

Seamline passes through a building
Seamline passes through a building

The geometry of the seamline can be modified by clicking on the region to be extended (master region). Further clicks expand the polygon, which is then filled with the content of the master region. The list in the right picture gives an overview of all images that cover the area of the polygon and could alternatively be used to fill the edited region.

    Seamline Editing
    Seamline Editing

    The final result is an orthomosaic with correctly aligned facades.

    Seamline Editing final result with aligned facades

    More to follow: In our upcoming final UltraMap Studio blogpost we are looking forward to introducing to you the generation, visualization and export of 3D meshes and colorized point clouds. Keep an eye out!

     

    Want to learn how to edit heightfields in UltraMap Studio?

    Learn more about Heightfield editing
     

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