Migration of unstructured DTP maps
Open OCAD file
Open crete-emty.ocd file. The file is located in the training data in the directory crete_ocad.
Set Map Scale
Set scale to 1:100 000 (Map -> Set Scale and Coordinate System).
-> OK
Definition of a Symbol Set
In the open OCAD file is already defines a symbol set. Exemplary in this document is the definition of the new point symbol Point of interest described.
Open scanned legend as background map
Open the TIFF file legende_crete.tif from the directory crete_backgroundmaps as backgroundmap (Backgroundmap -> Open).
Create New Symbol
Symbol -> New
Choose Point Symbol from New Symbol dialog box:
-> OK
Enter symbol number and symbol description. Click the button Edit:
The symbol editor is opened.
View -> Hide Show Entire Map and Show Map Grid
In the next step, the legend symbol must be placed into the origin of co-ordinates of the symbol editor (red arrow in fig):
Background Map -> Adjust (Shortcut F):
- Click Point of interest in background map.
- Click origin of co-ordinates from drawing area.
- Trigger move with enter key.
Most of the fine-tuning is done in several adjust steps.- For fine-tuning it is recommended that the coordinate grid map show grid is shown.
Select the geometry Area and the Color 0: Pikto Orange in symbol editor:
Then just draw the symbol with the straight line mode File:StraightLineMode.JPG from the drawing tool.
-> Close smybol editor
The dialog box Point Symbol is shown again.
-> Icon
Create an Icon:
-> OK
The dialog box Point Symbol is shown again.
-> OK
Remove background map (Backgroundmap -> Manage):
-> Remove and Close the dialog
OCAD learning videos:
Import DTP map as PDF
Import PDF file ICV_crete_Mapsheet1_West_fhd.pdf from the directory crete_fh (File -> Import).
-> Open
Because it is multi-page PDF, it must specify the import side which should be imported. In this case page 2 must be imported
-> OK
View -> Show Entire Map show entire map
The import map is displayed. However the map is not georeferenced.
Open georeferenced Background Map
Open the georeferenced TIFF file kreta_osm_with_checkpoints.jpg from the directory crete_osm as background map (Backgroundmap -> Open).
Because it is a georeferenced background map, a dialog box appears with the question whether the new shift (horizontally and vertically according to the Easting and Northing) is to be used as the card-center.
-> Ok
View -> Show Entired Map