I have the following:

String lines[] = loadStrings("lineslist.txt");

lineslist.txt contains:
draw X0 Y0
draw X0 Y10
draw X10  Y10
draw X0 Y10

I want to draw lines using X and Y of lineslist.txt

Thank you.

Marco.
 

Does exist something similar to LiquidCrystal?: http://arduino.cc/en/Tutorial/LiquidCrystal in processing?

Thank you.

Hi, I have a Microsoft LifeCam HD-3000 webcam with a diagonal field of view of 68,5º.

I want a narrow field of view (90º). How I can do it, probably zooming?

Thank you.

Hello,

Want to make this division:

float pixels = 3.779527559;

axis=(mouseX - 45) / pixels;

It returns me the alert "cannot convert from float to int".

Any help is apreciated.

Thank you very much,

Marco.

Good afternoon,

I'm trying to make a grid with two "coordinates": letters and numbers.

I would like to know how I can make the grid and to know what coordinate is selected when I put the mouse over one.

I know my english is very bad. I have made a simple drawing.

Hope anyone can help me.

Thank you very much.

Marco.

How I can convert the mouseX pixels to millimeters.

Thank you.

How to make this? A picture is worth a thousand words.



Thank you

How I can invert the coordinate system?

I made a drawing to understand:



Thanks :)