This article provides step-by-step instructions on how to add or import GCPs in GCP/MTP Manager in PIX4Dmapper.
To add GCPs using the GCP/MTP Manager, follow:
1. On the Menu bar, click Project > GCP/MTP Manager...
2. Select the GCP coordinate system: By default, the GCP coordinate system will be the same as the Output/GCP Coordinate System selected when creating the project: Step 2. Creating a Project. If the GCPs have a different coordinate system, select the correct coordinate system: How to select / change the Image / GCP / Output Coordinate System.
3. Import the GCPs coordinates. The GCP coordinates can be imported:
Manually |
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In order to import the GCPs one by one: 1. On the GCP/MTP Manager, click Add Point.
A new point is added to the GCP/MTP Table. This point is defined by default as Manual Tie Point (Type column) and is named by default mtp1 (Label column). When adding more Manual Tie Points, they will be named mtp2, mtp3, etc. 2. Edit the GCP properties:
1. Double-click the Label cell of the point.
1. Double-click the Type cell of the point.
1. Double-click the coordinates cells of the point (Y,X,Z or Latitude, Longitude, Altitude).
1. Double-click the Accuracy Horz/Vert cell of the point.
For more information about the GCP table properties: GCP / Manual Tie Point Table. 3. Repeat steps 1 and 2 for the rest of the GCPs. |
From file |
To import the coordinates from the GCP file: 1. Ensure the GCP file has the correct input file format. For more information about the file format: Input files.
The Import Ground Control Points pop-up appears. 3. (optional) Select the Coordinates Order: By default, X, Y, Z (Longitude, Latitude, Altitude) is selected. It is possible to change to Y ,X, Z (Latitude, Longitude, Altitude). For more information: Input files. 4. Click Browse... to navigate to the GCP file. 1. Double-click on the Accuracy Horz/Vert cell of the point.
For more information about the GCP table properties: GCP / Manual Tie Point Table. 9. On the GCP/MTP Manager window, click OK. |
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