Definition
The reference files are used to create the map. The .dwg format is preferred for digital map drawing, as it preserves the scale of the plans, ensuring that your drawing will be at the correct scale. However, if they are the only available sources you have, you can also use .pdf, .jpeg, or .png files.
The Overlays panel is the inspector that allows you to control the visibility of a reference image on a given floor. You can toggle it on and off by clicking on the  icon in the bottom part of the left toolbar.
Uploading new reference files
To upload a new plan, access the Reference files dialogue window by clicking on the    icon next to your map's name and then clicking on Reference files
Then, simply click on Upload new file and locate the file you want to upload with your file's explorer.
Positioning plans
When you are done uploading your floor plans, you can position them on your drawing canvas.
To do so, click the Edit button under Position
When editing its position for the first time, your plan will be located on the top left part of the venue area.
Click on it to select it and move it over your building to place it correctly.
If you are using an image format file, you can resize it using the handles on each corner of the selection box. You can also rotate your plan with the green round handle or by clicking on the horizontal and vertical axis.
⚠️ Warning on placing your plans correctly
Align your plan to the base of the building, not the roof. Using the roof as reference will provide incorrect coordinates for your drawing due to the perspective of the satellite view. Use the base of the building to ensure accurate placement of your plans.
Once you are sure that your scale and positioning are correct, you can click on ok to validate the position.
Updating a plan
In the lifetime of your map, you might want to update a reference file with a new version of the architectural drawing. You can do so without having to position it.
After uploading your new plan, you can go to the file it will replace, and copy its coordinates by clicking the   icon. Then, exit the position edition for the older file and go to the position edit for your new file. You can now click on the    icon to paste the size and coordinates of the previous plan.
đź’ˇPro tip
If you have floor that have similar footprints, you can also copy and paste the coordinates from one another to save time.
Assigning a reference file to a floor
Now that you correctly placed your reference file, you can chose on which floor or floors to display it.
To do so, click the Edit button under Floor attribution
You can then choose to display the reference file on every floor by activating the toggle Display on all floors , or you can choose a specific floor or even the outside layer.
Overlays panel
To activate the Overlays panel, click on the  icon in the bottom part of the left toolbar. As for every panel, You can double-click on it to expand its size.
In this panel, you will see every reference files that are available for the current floor, as well as the satellite projection. From this panel, you can manage :
- The position (in front or behind the surfaces) of the satellite image and its opacity.
- The opacity and visibility of each individual reference file available for the current floor.
This panel is also visible in the edit position feature of the Reference files dialogue window to help you place your plans relatively to the other plans you already positioned.
