How to do Line Drawing

Just how do I use a photo of a church building and make a line drawing of it? There are hundreds of lines, bricks, indented windows, steps,etc. and the whole thing is flooded with trees. They don't want a photo image and I've tried drawing it in PS 7 and am going nuts. There's no help with using the "auto trace" tool in AI 10.
I suppose this can be done in several days, but I don't have that time. Unless there's a way to do this more efficiently than line by line, they'll have to get someone else to do this for them.
I love challenges, but this one is crazy..................mm

There are several filters that should be close to what you need. The three that I ran across are:
Stamp
Photocopy
Charcoal
Each of these filters can be found at filter>sketch>name of filter.
sorry I do not recall the name of the one similar to threshold.

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How to animate line drawing in Keynote

I want to draw a line and have it take say 3 seconds to go from one end to the other.

Try to animate the line using the Wipe option.

I have a line drawing (black on white paper) i have scanned and need to make the white paper transparent, maintaining the line drawing, can i and then HOW can i do this in PS?

i have a line drawing (black on white paper) i have scanned and need to make the white paper transparent, maintaining the line drawing, can i and then HOW can i do this in PS? this is for my business logo. ive used it for years but with a solid background. id like to have it just be the drawing over my photos with a transparent background.

First let me apologize for posting a reply that was only suitable for advanced users. Photoshop is broad and powerful therefore has a huge learning curve. In fact I would state no one knows and uses all of Photoshop. When we first get Photoshop it intimidate us and we're very uncomfortable using it. Many thing are not intuitive there in much learning involved. After some time we begin to know something and we are able to do some thing. Learning become rapid and we start playing in Photoshop. It is very important to play with Photoshop. Playing with Photoshop and asking for help with in forums like this IMO is the best way to learn.
Photoshop Power lies in layers, selection and automation. However it takes knowledge to use photoshop well so most powerful tool you have ins Photoshop is the gray matter between your ears. Most at one time or another want to watermark or put a logo on their image. So its best to automate this process. All run into a problem in the process. "Size" We find our assets vary in size and aspect ratios. Landscape, Portraits, Panoramas and others. This complicates automation. Vector graphics works best when size vary greatly. If you can not work out how to create a vector solution like a custom shape. Create your Logo and watermark large thing scale down better the up. Text scale well for text uses vectors graphics however if you rasterize text it will not scale well.
I do not type or do English well so let me do some screen captures. I can not stress enough how important Black, White, Grays and Blending is when it come to image processing. Become friends with Multiply, Screen, Overlay and Luminosity blending.....
However when there is a white or black background though you can blend them you can not add a style like a drop shadow, emboss or make it invisible setting fill to 0 so only the style is visible. When there is contrast between the logo and background it is easy to separate the two. To select the background and delet it to have the logo with a transparent background. Many tools can be used to create the selection hee I use my action kill white.
Vector Shape would work better for scaling However it would be best to create the logo from scratch in a vector program like illustrator but I never had the resources to justify the Creative suite. I only had Photoshop. Recently Adobe gave me and other a year subscription to the creative suite for our participation here. I still have not installed anything but Photoshop, A while back I found a program that can create vector patf for black and white art work. It will not be as good as using something like illustrator. However vector paths can be edited in Photoshop and cleaned up some. Here is the PSD it 13MB because od the gradient http://www.mouseprints.net/old/dpr/AmPm24-7.psd

I tried to import a PDF of a line drawing into Photoshop Elements. The thumbnail looks fine, but when imported the file is empty. This used to work in the past. What is wrong and how do I solve this?

I tried to import a PDF of a line drawing into Photoshop Elements. The thumbnail looks fine, but when imported the file is empty. This used to work in the past. What is wrong and how do I solve this?

Hi
The value of the Channel Strip volume etc is not stored within the C Strip setting, as you have discovered.
If you really wanted, you could add a Gain plug to the strip, with it set to give the correct output level with the Fader set to 0
(Or just set the fader manually in MS)
CCT

How do I change the white background color in a b/w line drawing jpg?

How do I change the white background color in a b/w line drawing jpg?

Just put a Solid Color Layer atop it and set it to Blend Mode Multiply or
• load the Channel with the best contrast (cmd-click it in the Channels Panel)
• invert Selection (cmd-I)
• create a black Solid Color Layer
• put whatever below that Layer

How to make lines I draw as an objects??

Hi friends:
I met a problem here, I find a similiar code below, but cannot solve it.
How to make lines I draw as objects in this application??
ie the lines I draw will be selectable as other JLabels, can be highlighted, can be deleted etc, just like any other components or object,
How to do this??
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.util.Vector;
import java.lang.reflect.Array;
import javax.swing.*;
import javax.swing.event.*;
public class Drawines
     public static void main(String[] args)
        JFrame f = new JFrame("Draw Lines");
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        f.getContentPane().add(new ConnectionPanel());
        f.setSize(400,300);
        f.setLocation(200,200);
        f.setVisible(true);
class Drawines extends JPanel
    JLabel                                       label1, label2, label3, label4;
    JLabel[]                       labels;
    JLabel                                       selectedLabel;
    protected              JButton btn           = new JButton("DrawLines");
    protected              JButton btn1           = new JButton("Clear");
    protected              JButton btn2           = new JButton("No Draw");
    protected                      boolean isActivated = false;
    protected           int      stoppoint     = 0;
    int cx, cy;
    Vector order                     = new Vector();
    Vector order1                     = new Vector();
    Object[] arr                    = null;
    public ConnectionPanel()
        setLayout(null);
        addLabels();
        label1.setBounds( 25, 50, 125, 25);
        label2.setBounds(225, 50, 125, 25);
        label3.setBounds( 25, 175, 125, 25);
        label4.setBounds(225, 175, 125, 25);
        btn.setBounds(10, 5, 100, 25);
        btn1.setBounds(100, 5, 100, 25);
        btn2.setBounds(200, 5, 100, 25);
            add(btn);
         add(btn1);
         add(btn2);
        determineCenterOfComponents();
        ComponentMover mover = new ComponentMover();
         ActionListener lst = new ActionListener() {
             public void actionPerformed(ActionEvent e) {
                 ComponentMover mover = new ComponentMover();
                       addMouseListener(mover);
                       addMouseMotionListener(mover);
                       isActivated = false;
        ActionListener lst1 = new ActionListener() {
                   public void actionPerformed(ActionEvent e) {
                       isActivated=true;
          btn.addActionListener(lst);
          btn1.addActionListener(lst1);
    public void paintComponent(final Graphics g)
         super.paintComponent(g);
        Graphics2D g2 = (Graphics2D)g;
        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);
         Point[] p;
            System.out.println("order.size()"+ order.size());
            System.out.println("order1.size()"+ order1.size());
                 if (!isActivated && order1.size()==0) {
                     for(int i = 0 ; i < order.size()-1; i++) {
                            JLabel l1 = (JLabel)order.elementAt(i);
                           JLabel l2 = (JLabel)order.elementAt(i+1);
                           order1.add(order.elementAt(i));
                           order1.add(order.elementAt(i+1));
                           System.out.println();
                           p = getCenterPoints(l1, l2);
                           g2.setColor(Color.black);
                                        g2.draw(new Line2D.Double(p[0], p[1]));
                 }else if(!isActivated && order1.size()>0){
                         order=order1;
                     for(int i1 = 0 ; i1 < order.size()-1; i1++) {
                           JLabel l1 = (JLabel)order.elementAt(i1);
                           JLabel l2 = (JLabel)order.elementAt(i1+1);
                           System.out.println();
                           p = getCenterPoints(l1, l2);
                           g2.setColor(Color.red);
                            g2.draw(new Line2D.Double(p[0], p[1]));
                            System.out.println(" order1.size() = " + order.size());
                 }else {
                      order1 = order;
                     for(int i1 = 0 ; i1 < order1.size()-1; i1++) {
                                JLabel l1 = (JLabel)order1.elementAt(i1);
                                JLabel l2 = (JLabel)order1.elementAt(i1+1);
                                p = getCenterPoints(l1, l2);
                                g2.setColor(Color.blue);
                                if (order.elementAt(i1) !=null){
                                     g2.draw(new Line2D.Double(p[0], p[1]));
    private Point[] getCenterPoints(Component c1, Component c2)
        Point
            p1 = new Point(),
            p2 = new Point();
        Rectangle
            r1 = c1.getBounds(),
            r2 = c2.getBounds();
             p1.x = r1.x + r1.width/2;
             p1.y = r1.y + r1.height/2;
             p2.x = r2.x + r2.width/2;
             p2.y = r2.y + r2.height/2;
        return new Point[] {p1, p2};
    private void determineCenterOfComponents()
        int
            xMin = Integer.MAX_VALUE,
            yMin = Integer.MAX_VALUE,
            xMax = 0,
            yMax = 0;
        for(int i = 0; i < labels.length; i++)
            Rectangle r = labels.getBounds();
if(r.x < xMin)
xMin = r.x;
if(r.y < yMin)
yMin = r.y;
if(r.x + r.width > xMax)
xMax = r.x + r.width;
if(r.y + r.height > yMax)
yMax = r.y + r.height;
cx = xMin + (xMax - xMin)/2;
cy = yMin + (yMax - yMin)/2;
private class ComponentMover extends MouseInputAdapter
Point offsetP = new Point();
boolean dragging;
public void mousePressed(MouseEvent e)
Point p = e.getPoint();
for(int i = 0; i < labels.length; i++)
Rectangle r = labels[i].getBounds();
if(r.contains(p) && !isActivated )
selectedLabel = labels[i];
order.addElement(labels[i]);
offsetP.x = p.x - r.x;
offsetP.y = p.y - r.y;
dragging = true;
repaint(); //added
break;
public void mouseReleased(MouseEvent e)
dragging = false;
public void mouseDragged(MouseEvent e)
if(dragging)
Rectangle r = selectedLabel.getBounds();
r.x = e.getX() - offsetP.x;
r.y = e.getY() - offsetP.y;
selectedLabel.setBounds(r.x, r.y, r.width, r.height);
//determineCenterOfComponents();
repaint();
private void addLabels()
label1 = new JLabel("Label 1");
label2 = new JLabel("Label 2");
label3 = new JLabel("Label 3");
label4 = new JLabel("Label 4");
labels = new JLabel[] {
label1, label2, label3, label4
for(int i = 0; i < labels.length; i++)
labels[i].setHorizontalAlignment(SwingConstants.CENTER);
labels[i].setBorder(BorderFactory.createEtchedBorder());
add(labels[i]);
Thanks in advance.

2 choice, bundle your app in a jar, or get a native compiler.
executable jar
http://java.sun.com/j2se/1.3/docs/guide/jar/jarGuide.html
http://developer.java.sun.com/developer/qow/archive/21/index.html
native
http://gcc.gnu.org/java/
http://www-106.ibm.com/developerworks/library/j-native.html
http://icafe.sourceforge.net/
http://www.towerj.com/
http://www.xlsoft.com/en/products/development/jet/jetpro.html

How can i convert a jpeg into a line drawing/sketch?

Hey just wondering what is the best tool and is Illustrator the best program - to convert a standard JPEG image into a line drawing?
Someone please help! Thank you

Try VectorMagic (Google will find it for you). You can use it for free a few times on the web, or you can buy a license. You can control the level of detail and the number of colours to use, and it will write an AI file.
(I have no affiliation, I just think it works well).

Want to do pencil line drawing based on photograph

PS Elements has a really neat quick line drawing effect. I'd like to do something similar in PS CS3. Does anyone know how? I've been trying the sketch filter, but it doesn't seem quite as nicely done. Can I use that action out of my elements folder in CS3? Elements regularly freezes my computer which is why I'm not using it any longer and intend to uninstall soon.
THanks!

It all depends on the original.
You might have success with Image > Mode > Grayscale
Then increase Contrast via Image > Adjustments
followed by Filter > Stylize > Find Edges and a Threshold adjustment if necessary.
You have to experiment!

How to set line width using CoreGraphics ?

Hi guys.
I trying draw line with 2 pixels width.
How to set line width on CoreGraphics ?
AFAIK, OpenGLES.framework has method like this :
glLineWidth(2.0);
Is it possible for CoreGraphics ?
Thanks in advance.

See CGContextSetLineWidth in the CGContextReference.
You might also want to look over Painting a Path in the +Quartz 2D Programming Guide+.
\- Ray

Smooth line drawing in as3

I am looking for a smoothe line drawing effect as in the pencil tool in Flash. I need to implement the same using as3. Any idea how I can achieve that?

Smoothness is a relative concept. Pencil tool in Flash doesn't produce very smooth lines. Nevertheless, runtime drawing smoothness depends on how often you draw lines between points. Here is a quick and dirty drawing board (just paste it on timeline). If you want it even smoother - you will need to write an algorithm that takes into account direction, speed, angles, etc.
var board:Sprite = new Sprite();
addChild(board);
board.x = board.y = 20;
var g:Graphics = board.graphics;
g.beginFill(0xcccccc);
g.drawRect(0, 0, stage.stageWidth - 40, stage.stageHeight - 40);
g.endFill();
board.addEventListener(MouseEvent.MOUSE_DOWN, startDraw);
function draw(e:MouseEvent):void {
     g.lineTo(board.mouseX, board.mouseY);
function startDraw(e:MouseEvent):void {
     stage.addEventListener(MouseEvent.MOUSE_UP, stopDraw);
     addEventListener(MouseEvent.MOUSE_MOVE, draw);
     g.lineStyle(1, Math.random() * 0xffffff);
     g.moveTo(board.mouseX, board.mouseY);
function stopDraw(e:MouseEvent):void {
     removeEventListener(MouseEvent.MOUSE_MOVE, draw);
     stage.removeEventListener(MouseEvent.MOUSE_UP, stopDraw);

Removing background from line drawing

I'm desperate to find out how I can removing the background from a line drawing, leaving only the lines.

Couple of additional tricks that can help in cleaning the image before using the magic wand. Open Levels and set a white point on the background using the white point eye dropper. This can clean up some stray marks. You can also use Threshold (filter>adjustments>threshold)to better separate the lines from the background.
Rich

Remove outlines in a line drawing

I have a black and white line drawing I scanned and then opened in photoshop elements and now I want to color it in and get rid of the black outlines...how can I do this in Iluustrator

There are several ways, depending on whether you want to keep the hand-drawn look, or have crisp, clean lines.
For the hand-drawn look, Auto Trace and Live Paint. For a cleaner look, put your scan on a template layer, and use the vector drawing tools to recreate it.

Code of line drawing algorithm

anybody can tell me code of line drawing algorithm..if i hav two points a(x1,y1) and b(x2,y2) then
how kan i draw line using these points..

Use drawLine(int x1, int y1, int x2, int y2).
As I understand it you should only do the drawing in a paint method (or paintComponent method if you're using swing.) If you're wanting the lines to be "permanent" then draw to a drawing.
e.g. from a Logo/Turtle prog that I'm working on:
protected void paintComponent(Graphics g) {
super.paintComponent(g);
if ( ! initDone ) {
i_drawing = (BufferedImage)createImage(700,500);
g_drawing = i_drawing.createGraphics();
initDone=true;
if (penDown && drawOp) {
g_drawing.drawLine((int)posX, (int)posY, (int)targX, (int)targY);
drawOp = false;
g.drawImage(i_drawing, 0, 0, this);
posX = targX;
posY = targY;
This draws the line on the image (i_drawing) and then displays the image.
Hope this helps.

Animated line drawing

I just recently purchased Flash cs4 so I am very new
at it, but I want to learn, I am trying to animate a line drawing
(building a house) I do ok at motion tween with balls or blocks but
I cannot figure out how to tween a line. I need to be able to make
the line grow. Any help or guidance please

The only way I know of doing this with previous versions of
flash is frame-by-frame. Other ways might include shape tweening,
but that's been pretty fishy in older versions of flash. Have a
look at this
link
for a more in-depth understanding of tweening and animation.

How to display Lines and Boxes in SAP Script

hi,
Can any one help me how to display Lines and Boxes in SAP Script.
Regards
kiran

The SAP printer drivers based on page-oriented printers use these commands when creating output whereas the line printers and non-supported page-oriented printers ignore these commands.
Syntax:/: BOX [XPOS] [YPOS] [WIDTH] [HEIGHT] [FRAME] [INTENSITY]
This command draws a box of the specified size at the specified position.
The following calculation is performed internally to determine the absolute output position of a box on the page:
X(abs) = XORIGIN + XPOS
Y(abs) = YORIGIN + YPOS
WIDTH determines the width of the box.
Default: WIDTH value of the SIZE command.
HEIGHT determines height of the box.
Default: HEIGHT value of the SIZE command.
FRAME determines the thickness of frame.
Default: 0 (no frame).
INTENSITY determines the box contents as a grayscale percentage.
Default: 100 (full black)
The other details I guess is provided by friends who have posted before me.
Regards,
K.Sibi

How to do Line Drawing

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