Hello to the group. I'm new here and new to Inkscape. I've spent way too many hours on this, so I'm going to ask.....
I have created an image of a plaque. The border around it is essentially lines and curves connected together until they meet at the starting point, then another that is one grid square inside of the first.
I want to fill the area between the parallel lines (that form the border) with a color, then fill the inside of the plaque image with a different color. I can manage to get odd-ball areas to fill with color, but that's it.
What am I doing wrong?
Chuck
inkscape-user-admin@lists.sourceforge.net wrote on 13/09/2005 11:25:00 AM:
Hello to the group. I'm new here and new to Inkscape. I've spent way too
many hours on this, so I'm going to ask.....
I have created an image of a plaque. The border around it is essentially
lines and curves connected together until they meet at the starting
point,
then another that is one grid square inside of the first.
I want to fill the area between the parallel lines (that form the
border)
with a color, then fill the inside of the plaque image with a different color. I can manage to get odd-ball areas to fill with color, but that's
it.
Have you joined your lines into a single path?
You have to kind of make a closed object from your path components.
Say I wanted to make a wavy-sided rectangle, I could draw a freehand line, copy it 3 more times, and flip two of them -> giving me 4 sides.
Note that if you use the pen to draw a path, you get an extra 'tail' node when you double-click to finish off (any way to stop this?) Using the node tool, drag this one away and [Del]ete it.
(1) Lay them out into your rectangle, then select all.
(2) Use [Path]->[Combine] to make it into one shape.
(3) Using the node tool, drag a box around the corners of your rectangle selecting the pairs of line-ends (i.e. the corners).
(4) On the tool is a node-joiner, click the one that joins two-nodes into one, repeat for all corners. [-O O-] -> [-O-]
This sounds complicated, but it isn't. It gives you a closed shape you can fill, or adjust the line style willy-nilly.
Don't forget that you can adjust the z-axis of your shapes too. So if you want a big frilly border to your plaque, but a white middle, place a white-filled rectangle in the middle. If something jumps above it, change the z-ordering with [PgUp]/[PgDown].
So to simulate filling between parallel lines, place a filled rectangle ontop of another filled rectangle. (or combined the shapes?)
hope this helps, -kt
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Hey,
Lately I've been doing some stuff where I needed regular plots of periodic curves. (e.g.: the classic sine curve, and up-down (Ws) sawtooths).
It would be cool if Inkscape had a function-generator that could draw simple graphs like this. It's hard to get them perfectly regular using drawing tools - although you can come close with node spacing etc. You could already adjust the period and amplitude simply with the existing tools, but getting it perfect with 'N' periods in the first place is difficult.
Anyway, just a thought.
cheers, -kt
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On 9/12/05, Kinsley Turner <kingsleyturner@...994...> wrote:
Lately I've been doing some stuff where I needed regular plots of periodic curves. (e.g.: the classic sine curve, and up-down (Ws) sawtooths).
It would be cool if Inkscape had a function-generator that could draw simple graphs like this.
It has. Try the Wavy Line effect on a rectangle.
bulia byak wrote:
On 9/12/05, Kinsley Turner <kingsleyturner@...994...> wrote:
Lately I've been doing some stuff where I needed regular plots of periodic curves. (e.g.: the classic sine curve, and up-down (Ws) sawtooths).
It would be cool if Inkscape had a function-generator that could draw simple graphs like this.
It has. Try the Wavy Line effect on a rectangle.
Wavy won't do all of those, but an extension that will would be simple to write.
Aaron Spike
Aaron Spike wrote:
Wavy won't do all of those, but an extension that will would be simple to write.
Is there some doco on the plugin format?
I wrote my own plugin (hacked wavy to do sawtooth), but couldn't nut-out the packing of the (resultant?) points.
What's the go with the 'M' and 'C' points?
Starting with an empty array, I appended a ['M',[0,0]] then my sawtooth points ['C', [0,0],[x/3,height],[2x/3,0],[x,height]] for N wavelengts of sawtooths. (where x == width/wavelengths).
User interface stuff ran ok, but the script crashed when it was unpacking my point array in simplepath.py:167 => return "".join([cmd + " ".join([str(p) for p in parameters]) for cmd, params in a]) => "Unpack of wrong size"
(I keyed in that error message, so it may have typos.)
Can someone point me to some doco ?
thanks, -kt
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Two questions:
1. Is there a way to have the program start in full screen mode?
2. How does one adjust how the image prints on the printer? I find no way to set margins and have the image printing in a non-printable area on the page.
Chuck
On Tue, 13 Sep 2005, Chuck Kelsey wrote:
Date: Tue, 13 Sep 2005 20:48:22 -0400 From: Chuck Kelsey <kelsey@...1063...> Reply-To: inkscape-user@lists.sourceforge.net To: inkscape-user@lists.sourceforge.net Subject: [Inkscape-user] Start-up window & printing
Two questions:
- Is there a way to have the program start in full screen mode?
If you are on windows you can force any application to maximise at startup by adjusting the Shortcut settings. Dont know about Full Screen though.
- How does one adjust how the image prints on the printer? I find no way to
set margins and have the image printing in a non-printable area on the page.
Print functionality needs more work. For now you would probably be best off to use Inkscape in combination with some other application (like Scribus if you are on Linux) to get greater control of the printing process.
Sincerely
Alan Horkan
Inkscape http://inkscape.org Abiword http://www.abisource.com Dia http://gnome.org/projects/dia/ Open Clip Art http://OpenClipArt.org
Alan's Diary http://advogato.org/person/AlanHorkan/
OK, thanks for the info. As long as I understand that this is "normal" I can deal with it. I just wanted to make sure I wasn't missing some simple setting.
Chuck
----- Original Message ----- From: "Alan Horkan" <horkana@...3...> To: inkscape-user@lists.sourceforge.net Sent: Wednesday, September 14, 2005 4:43 AM Subject: Re: [Inkscape-user] Start-up window & printing
On Tue, 13 Sep 2005, Chuck Kelsey wrote:
Date: Tue, 13 Sep 2005 20:48:22 -0400 From: Chuck Kelsey <kelsey@...1063...> Reply-To: inkscape-user@lists.sourceforge.net To: inkscape-user@lists.sourceforge.net Subject: [Inkscape-user] Start-up window & printing
Two questions:
- Is there a way to have the program start in full screen mode?
If you are on windows you can force any application to maximise at startup by adjusting the Shortcut settings. Dont know about Full Screen though.
- How does one adjust how the image prints on the printer? I find no way
to set margins and have the image printing in a non-printable area on the page.
Print functionality needs more work. For now you would probably be best off to use Inkscape in combination with some other application (like Scribus if you are on Linux) to get greater control of the printing process.
Sincerely
Alan Horkan
- Is there a way to have the program start in full screen mode?
1. Start 2. Click maximize button 3. Make sure in File->Inkscape Preferences->Windows that 'Save window geometry' is activated 4. Save as default.XX.svg where XX is your locale 5. Copy that file to your installation directory under templates
You can also toggle the scrollbars with Ctrl-B.
ralf
Kinsley Turner wrote:
Aaron Spike wrote:
Wavy won't do all of those, but an extension that will would be simple to write.
Is there some doco on the plugin format?
I wrote my own plugin (hacked wavy to do sawtooth), but couldn't nut-out the packing of the (resultant?) points.
What's the go with the 'M' and 'C' points?
Starting with an empty array, I appended a ['M',[0,0]] then my sawtooth points ['C', [0,0],[x/3,height],[2x/3,0],[x,height]] for N wavelengts of sawtooths. (where x == width/wavelengths).
User interface stuff ran ok, but the script crashed when it was unpacking my point array in simplepath.py:167 => return "".join([cmd + " ".join([str(p) for p in parameters]) for cmd, params in a]) => "Unpack of wrong size"
(I keyed in that error message, so it may have typos.)
Can someone point me to some doco ?
Sorry there isn't any documentation. But I'd be happy to answer any questions you have. The format you are working with very simply mimics the structure of path data in SVG. Each list for each command is in the form [command, parameters]. So for a moveto it would be like ['M',[x,y]]. And for curveto like ['C',[x1,y1,x2,y2,x,y]]. But for a saw tooth wave I would expect you to use a lineto not curveto. Linetos would be in the form ['L',[x,y]].
This is from memory without looking at simplepath.py again, so I appoligise if I made an error.
Aaron Spike
Aaron via inkscape-user-admin@lists.sourceforge.net wrote on 14/09/2005 11:00:42 AM:
Sorry there isn't any documentation. But I'd be happy to answer any questions you have. The format you are working with very simply mimics the structure of path data in SVG. Each list for each command is in the form [command, parameters]. So for a moveto it would be like ['M',[x,y]]. And for curveto like ['C',[x1,y1,x2,y2,x,y]]. But for a saw
tooth wave I would expect you to use a lineto not curveto. Linetos would
be in the form ['L',[x,y]].
It works! WOOT!
I tried to comment the plugin correctly so it might help other people. It's probably too simple to be of much use.
-kt
(apologies in advance if you don't like me posting there here, but it's fairly short really)
SAWTOOTH.INX
<inkscape-extension> <name>Sawtooth Line</name> <id>org.ekips.filter.sawtooth</id> <dependency type="executable" location="extensions">sawtooth.py</dependency> <dependency type="executable" location="extensions">inkex.py</dependency> <param name="wavelengths" type="int" min="0" max="1000" gui-text="Wavelengths">4</param> <effect> <object-type>rect</object-type> </effect> <script> <command reldir="extensions" interpreter="python">sawtooth.py</command> </script> </inkscape-extension>
SAWTOOTH.PY
#! /usr/bin/env python
### ### Sawtooth Line, you know like VVVVVVVVVV ### kingsley@...1070... ### Release under a Creative Commons (CC) ### Non-commercial/Attribution/Share-Alike ### Licence ### ### Takes a given rectangle, and draws a sawtooth ### set of lines inside it. ### ### Based on code by Aaron Spike, aaron@...476... ###
### Stuff for inkscape import inkex, simplepath, simplestyle
class Sawtooth(inkex.Effect): ### Only get one option from the user, that is the ### integer number of wavelengths that should be rendered. def __init__(self): inkex.Effect.__init__(self) self.OptionParser.add_option("-w", "--wavelengths", action="store", type="int", dest="wavelengths", default=4, help="Integer number of wavelengths")
### ### Grab our bounding rectangle, copying it's dimensions to encapsulate ### the new path, and then also copy out it's style for the new line; ### Also copies the transformation - if any. ### ### Once our boundaries are defined, make the call to render the new ### line into the box. ### def effect(self): for id, node in self.selected.iteritems(): if (node.tagName == 'rect'): new = self.document.createElement('svg:path') x = float(node.attributes.getNamedItem('x').value) y = float(node.attributes.getNamedItem('y').value) w = float(node.attributes.getNamedItem('width').value) h = float(node.attributes.getNamedItem('height').value)
### Copy the style s = node.attributes.getNamedItem('style').value new.setAttribute('style', s)
### If we have a transformation, copy it too try: t = node.attributes.getNamedItem('transform').value new.setAttribute('transform', t) except AttributeError: pass
### Render it now!
new.setAttribute('d',simplepath.formatPath(self.draw(self.options.wavelengths,w,h,x,y)))
### Add the line into the drawing node.parentNode.appendChild(new) ### Remove the original rectangle node.parentNode.removeChild(node)
### ### Given a number of wavelengths, and a rectangle ### Draw a sawtooth pattern inside the rectangle ### made of <wavelengths> 'M's. Note that we're ### cheating a bit here, we should only be using 4 ### points, not coming down to the final stroke of ### the M-shape, just stopping after the 'N' part. ### But it makes the looping simpler, and it's more ### useful for the truss-like shapes I was drawing ### ### Returns a list that mimics SVG path data ### def draw(self, wavelengths,width,height,left,top): bottom = top+height period = width / float(wavelengths) quarter_period = period / 4.0 half_period = period / 2.0 three_quarter_period = 3 * period / 4.0
strokes = [] strokes.append(['M',[left,bottom]]) ### (M)ove-to the corner for i in range(wavelengths): cursor = left + (i * period) ### Using (L)ineto's, draw up-down-up-down strokes.append(['L',[cursor+quarter_period,top]]) strokes.append(['L',[cursor+half_period,bottom]]) strokes.append(['L',[cursor+three_quarter_period,top]]) strokes.append(['L',[cursor+period,bottom]])
return strokes
### B E G I N e = Sawtooth() e.affect()
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This email and its attachments are not intended to constitute any form of financial advice or recommendation of, or an offer to buy or offer to sell, any security or other financial product. We recommend that you seek your own independent legal or financial advice before proceeding with any investment decision.
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On Wed, Sep 14, 2005 at 10:22:25AM +1000, Kinsley Turner wrote:
Can someone point me to some doco ?
O'Reilly publishes an SVG book that I've found to be quite handy.
If you don't want to shell out the $30 for a dead tree, there may well be some SVG docs googleable online.
Bryce
inkscape-user-admin@lists.sourceforge.net wrote on 13/09/2005 12:55:15 PM:
It would be cool if Inkscape had a function-generator that could draw simple graphs like this.
It has. Try the Wavy Line effect on a rectangle.
Ah-hah! found it. These effects are excellent, shouldn't be turned off by default ;)
-kt
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This email and its attachments are not intended to constitute any form of financial advice or recommendation of, or an offer to buy or offer to sell, any security or other financial product. We recommend that you seek your own independent legal or financial advice before proceeding with any investment decision.
Westpac Institutional Bank is a division of Westpac Banking Corporation, a company registered in New South Wales in Australia under the Corporations Act 2001 (Cth). Westpac is authorised and regulated in the United Kingdom by the Financial Services Authority and is registered at Cardiff in the United Kingdom as Branch No. BR 106. Westpac operates in the United States of America as a federally chartered branch, regulated by the Office of the Comptroller of the Currency.
Westpac Banking Corporation ABN 33 007 457 141.
Kinsley Turner wrote:
inkscape-user-admin@lists.sourceforge.net wrote on 13/09/2005 12:55:15 PM:
It would be cool if Inkscape had a function-generator that could draw simple graphs like this.
It has. Try the Wavy Line effect on a rectangle.
Ah-hah! found it. These effects are excellent, shouldn't be turned off by default ;)
-kt
This is an effect - mine don't work - do I need to activate them? Using 4.2. Sorry if this is a dumb question or I have missed something recently.
Adam
Adam wrote on 14/09/2005 08:24:43 AM:
This is an effect - mine don't work - do I need to activate them? Using
4.2. Sorry if this is a dumb question or I have missed something
recently.
(Ctrl-Shift-P) or [File] -> [Inkscape Preferences]
-> [Misc] -> [X] Enable script effects - EXPERIMENTAL
Select an object (e.g. rectangle) before running the effect (at least for the wavy one).
-kt
(crud...)
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This email and its attachments are not intended to constitute any form of financial advice or recommendation of, or an offer to buy or offer to sell, any security or other financial product. We recommend that you seek your own independent legal or financial advice before proceeding with any investment decision.
Westpac Institutional Bank is a division of Westpac Banking Corporation, a company registered in New South Wales in Australia under the Corporations Act 2001 (Cth). Westpac is authorised and regulated in the United Kingdom by the Financial Services Authority and is registered at Cardiff in the United Kingdom as Branch No. BR 106. Westpac operates in the United States of America as a federally chartered branch, regulated by the Office of the Comptroller of the Currency.
Westpac Banking Corporation ABN 33 007 457 141.
Kinsley Turner wrote:
Adam wrote on 14/09/2005 08:24:43 AM:
This is an effect - mine don't work - do I need to activate them? Using
4.2. Sorry if this is a dumb question or I have missed something
recently.
(Ctrl-Shift-P) or [File] -> [Inkscape Preferences]
-> [Misc] -> [X] Enable script effects - EXPERIMENTALSelect an object (e.g. rectangle) before running the effect (at least for the wavy one).
-kt
Kinsley
Hmmmmm, this doesn't work for me ... any idea why not?
Adam
hi y'all,
im a noob on inkscape, just now i've install the python, pyXML and edit the path, but none the effect seems to be working, except getting error when i applied the effect. where am i doing wrong? thanks in advance!!!
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You'll want to check out the 'Wavy' extension.
(Also, I'm sure that patches to add more functionality to Wavy would be very well received.)
Bryce
On Tue, Sep 13, 2005 at 12:28:08PM +1000, Kinsley Turner wrote:
Hey,
Lately I've been doing some stuff where I needed regular plots of periodic curves. (e.g.: the classic sine curve, and up-down (Ws) sawtooths).
It would be cool if Inkscape had a function-generator that could draw simple graphs like this. It's hard to get them perfectly regular using drawing tools - although you can come close with node spacing etc. You could already adjust the period and amplitude simply with the existing tools, but getting it perfect with 'N' periods in the first place is difficult.
Anyway, just a thought.
cheers, -kt
(nothing interesting below)
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It is also important to check for viruses and defects before opening or using attachments. Westpac's liability is limited to resupplying any affected attachments.
This email and its attachments are not intended to constitute any form of financial advice or recommendation of, or an offer to buy or offer to sell, any security or other financial product. We recommend that you seek your own independent legal or financial advice before proceeding with any investment decision.
Westpac Institutional Bank is a division of Westpac Banking Corporation, a company registered in New South Wales in Australia under the Corporations Act 2001 (Cth). Westpac is authorised and regulated in the United Kingdom by the Financial Services Authority and is registered at Cardiff in the United Kingdom as Branch No. BR 106. Westpac operates in the United States of America as a federally chartered branch, regulated by the Office of the Comptroller of the Currency.
Westpac Banking Corporation ABN 33 007 457 141.
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Lately I've been doing some stuff where I needed regular plots of periodic curves. (e.g.: the classic sine curve, and up-down (Ws) sawtooths).
If you need total control, you can do the plotting in "gnuplot" and export to SVG.
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On Tue, 13 Sep 2005, Kinsley Turner wrote:
Date: Tue, 13 Sep 2005 12:28:08 +1000 From: Kinsley Turner <kingsleyturner@...994...> Reply-To: inkscape-user@lists.sourceforge.net To: inkscape-user@lists.sourceforge.net Subject: [Inkscape-user] Feature request: Regularly curved lines - e.g.: sine, sawtooth, square-wave
Hey,
Lately I've been doing some stuff where I needed regular plots of periodic curves. (e.g.: the classic sine curve, and up-down (Ws) sawtooths).
It would be cool if Inkscape had a function-generator that could draw simple graphs like this.
I think at some point in the future Inkscape will need to have fully pluggable tools (like Rectangle, Ellipse, Star, etc, that kind of tool).
I'll leave it for others to address your specific request but there are quite a few very similiar feature request already in the tracker, so instead I'll metion some workarounds you might try.
Xfig includes SVG export as do recent version of KiG (KDE Interactive Geometry) both of which are suited to drawing mathematical shapes and curves and you can edit the SVG. There are probably various other programs you could use too.
Sincerely
Alan Horkan
Inkscape http://inkscape.org Abiword http://www.abisource.com Dia http://gnome.org/projects/dia/ Open Clip Art http://OpenClipArt.org
Alan's Diary http://advogato.org/person/AlanHorkan/
participants (10)
-
unknown＠example.com -
Adam Pearson -
Alan Horkan -
Bryce Harrington -
bulia byak -
Chuck Kelsey -
grief on -
Kinsley Turner -
Ralf Stephan -
Tobias Eitel ... unterwegs ...