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Master Thesis
3.9
Development of a software tool to support architects
Connecting Points Core
We cannot expect a human person to be as precise to select exactly the point where
he wants to draw, that's why this system catches the point where the user touched the
screen (or stopped touching the screen) and begins to search if there is a nearby wall to
connect it.
The tolerance distance for connection is set up to 20 pixels radius away.
Image 3.18: Area of tolerance to connect
points
Image 3.19: Line after automatically
connecting the walls
3.10 Vector mode
This is another feature in order to help the
user to draw maps, until now we have seen that the
user can draw straight lines with free angle (they
can be 18 degrees, 173 degrees, whatever, as long
the finger is moving through the screen).
Sometimes this is impractical if one wants to draw
rooms and flats in a faster way.
The Vector mode enables the user to only draw
straight lines at 0º, 90º, 180º and 270º, as this
application is not intended (for the moment, at this
current prototype stage) to be an exact
representation of the world, but instead, a support
tool, we think the vector mode will cover the needs
of drawing rooms and flats most of the time.
As usual, this option is enabled through the option
menu, and in order to deactivate it one has to touch Image 3.20: Activating Vector Mode
it again.
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