Give your floor plan
a geographic position.

Start with a suitable drawing and reference.

Use a flat, high-contrast PNG or JPEG of one floor, with permission to process it. Have a measured distance, the drawing’s orientation, and a trusted geographic reference available. An address can help find the site, but it does not establish the position of every corner.

MapNib uses a scale, an image-center anchor, and a clockwise rotation. It does not automatically fit multiple control points or correct perspective and scan distortion. A photograph taken at an angle or a stretched scan needs a different preparation workflow.

Use a known distance to establish scale.

Select two identifiable points on the drawing and enter the real distance between them in the appropriate units. Prefer a clear, longer reference dimension to a short detail that is difficult to select precisely.

For example, a 10-metre wall spanning 500 image pixels gives a scale of 0.02 metres per pixel. This is an illustrative calculation, not a measured customer result. Confirm that the reference belongs to the same drawing and has not been distorted by resizing.

Check a second known distance elsewhere in the plan. If it disagrees substantially, investigate the source and calibration before exporting. Room area and perimeter depend on the scale you supply; estimated dimensions must remain labeled as estimated.

Set the image center, then rotate.

Use address lookup to locate the general site, select the correct match, and verify the geographic center of the image against your reference. The image center is the anchor even if you exclude some traced lines.

Set the clockwise rotation so the drawing agrees with the building’s orientation. Check several identifiable features across the floor. A plan that looks right at one corner may still have an incorrect scale or rotation.

Distinguish the image center from a street address point or building entrance. Using the entrance as the image-center coordinate can shift the whole floor plan away from its intended location.

Check the exported result in its destination.

• Import the GeoJSON into your intended mapping tool and confirm that it reads longitude before latitude in WGS 84.
• Compare multiple features against a trusted reference, including features far from the image center.
• Check scale, orientation, and offset separately. Agree an acceptable alignment tolerance for the task.
• Review linework and room geometry as well as placement. Geographic coordinates alone do not establish a useful floor plan.

Specific destination integrations and customer alignment results are still being validated. MapNib is not a survey-certification tool.