ConwayLife.com

dvgrn wrote:Now that I look again, there's definitely something strange going on with the non-viewonly LifeBellman rule sample. LifeBellman has only six states, and without VIEWONLY it's supposed to get collapsed to two-state anyway (or isn't that true any more?). But we can see dozens of different Golly default colors as the viewer runs the pattern in B3/S23.

1. LifeViewer believes that only LifeHistory rules are able to be collapsed and so hasn't tried to collapse LifeBellman. What should have happened is that VIEWONLY should have been enforced. It nearly worked (the menu disappeared and the play control keys were switched off) but unfortunately due to a bug it didn't disable AUTOSTART.
2. The long list of colours in the help information is because in build 129 you get a list of all colours in the colour set (in this case because there's no specific set for LifeBellman it's using the default set, which is the Golly 256 colour set).

• missing custom colours now use the corresponding state colour from the rule's set (or default set if no rule set exists)
• missing colour errors now display the RGB value substituted
• improved the information display of the colour set name to display either:
  • the name of a predefined rule set if one exists (e.g. "LifeHistory", "WireWorld", etc.)
  • the word "(default)" if no rule set was found (and the Golly default colour set is used)
  • the word "(custom)" if all states used in the pattern have a custom colour defined (using the COLOR or COLOUR script commands)
  • the name of the rule set or default followed by "(custom*)" if some but not all states used in the pattern have a custom colour defined (e.g. "LifeHistory (custom*)")
    • in this case the information display shows a "*" against each custom colour in the list
• only states used in the pattern are displayed in the information display colour list
• added hotkey 'V' to reset camera view (without resetting generation)
• removed error report for STOP generation being later than LOOP generation since you can disable LOOP with pause and then continue to the STOP
• fixed a problem which allowed non-LifeHistory multistate rules to be AUTOSTART when VIEWONLY wasn't specified (in this case VIEWONLY is enforced and AUTOSTART reported as a script error)
• help and errors are not displayed in thumbnail view but are retained across thumbnail toggle
• slightly reduced notification font size
• added a new script command [[ STRICT ]] which enables strict script validation (this is off by default)

dvgrn wrote:Can "viewonly" be the default for multistate patterns -- except possibly for LifeHistory as a special case

dvgrn wrote:Is there a use case for adding VIEWONLY to a Life-like pattern that the viewer could perfectly well run with no guesswork?

• Waypoints
• Custom Themes
• Script error list should scroll like help
• Fix pattern reader so it reads multistate patterns with more than 26 states

Sokwe wrote:Whenever I click "select all" in the code part of the viewer and copy it, it seems to add a space character to the beginning. This causes the pattern to not be read properly when pasting into Golly. As I recall, this was also a problem with the code tags early on.

rowett wrote:Hi Matthias,
From my testing it looks like Firefox is adding a space before and after the code, whereas Chrome, IE and Opera do not. Please can you confirm which browser you are using?

<div>
    <code>bo$2bo$2o!</code>
</div>

<div><code>bo$2bo$2o!</code></div>

• The code block height is only set to 2.5 lines if it is greater than 2.5 lines
• Faster start up time for each Viewer
  • Start up time is typically 67% of the start up time in previous builds
  • Start up time for a Viewer that uses the same rule as the previous Viewer on the page is reduced further to typically 25% of that in previous builds

rowett wrote:Build 131 is available on the lazyslug server...

			<div class="content"><div class="rle">
    <div class="codebox">
        <div class="selall">Code:
            <a href="http://conwaylife.com/forums/viewtopic.php?f=2&t=1623#" onclick="selectCode(this); return false;">Select all</a>
        </div>
        <div>
<code>#C [[ AUTOSTART HEIGHT 500 LOOP 160 THEME 4 ]]<br>x = 127, y = 101, rule = B3/S23<br>
41b2obo$41bob2o2$42b5o$37b2o2bo4bo$37bo2bo2bo$38bobob2o$37b2obo5bo$40b<br>
o4bobo$40b2o2bo2bo$45b2o14$50b3ob3o$50bo5bo$50bo5bo$51bo3bo$43b2o7b3o<br>
12b2o9b3o$44bo21bo2bo11bo$41b3o23b2o8bo3bo$41bo34bobo2bo$74bo2bobo$74b<br>
o3bo$74bo$75b3o$72bo46bob2o$50b2o19bobo45b2obo$51bo19b2o$48b3o24b2o40b<br>
5o$48bo26bobo17b2o20bo4bo2b2o$19b2o3b2o44b2o5bo18bo23bo2bo2bo$19b2o2bo<br>
b3o42b2o5b2o17bobo7bo13b2obobo$23bo4bo68b2o7bo10bo5bob2o$19b4ob2o2bo<br>
76bobo8bobo4bo$19bo2bobobob2o77bo8bo2bo2b2o$22bobobobo76b2ob2o3bo3b2o$<br>
23b2obobo57b2o18bo3bo3bo$27bo59bo22bo4bo$87bobo18b4o3bo$13b2o73b2o16b<br>
2o$14bo7b2o81b3o3bo3bo$14bobo5b2o69bo11bo2bobo4bo$15b2o75bo12b2o6bo$<br>
92b3o11bo4b2o$106b2ob2o$2bo105bo2$ob3o76bo$2b2obo39b3o31bobo$2bob2o19b<br>
2o20bo32b2o$3b3obo17bo20bo$15b2o9b3o$5bo8bobo6bo4bo$9bo6bo4b3o24bo$8bo<br>
bo9bo27b3o46bo$9b2o9b2o29bo44bobo$5b2o43b2o44bobo$4bobo53b2o35bo$4bo5b<br>
2o48bo23b2o$3b2o5b2o46bobo23b2o2b2o$52b2o4b2o28bobo$51bo2bo34bo$52b2o<br>
38b3o$40b2o18bo25b2o3bo$40b2o18b3o24bo3bo3bo$16b3o34b3o7bo20b3o4bo2bob<br>
o$15b5o33bo8b2o20bo8bobo2bo$14b2o3bo34bo39bo3bo$8b2o4b5o79bo$8b2o3b4o<br>
78b3o$12b3o$12b2o$13b2o34b2o3b2o$14bobo12b2o19bo3bo17b2o$14b3o12bobo<br>
15b3o5b3o7b2o5bobo$13bob2o14bo15bo9bo7b2o7bo$13b2o4bo11b2o41b2o$15bo3b<br>
2o$14b3o3b2o39bo$13b2obobo41bobob2o$12b2o2bobo41bobobobo3b2o$12b2o4bo<br>
40b2obobobo2bobo$17bo42bo2b2ob4obobo$58bobo4bo6b2o$58b2o5bobo$66b2o2$<br>
20bobo$21b2o$21bo!</code>
        </div>
    </div>
    <canvas width="656" height="500" style="margin-left:1px;" tabindex="1"></canvas>
</div></div>
		</div>

...
<code>#C [[ AUTOSTART HEIGHT 500 LOOP 160 THEME 4 ]]<br>
x = 127, y = 101, rule = B3/S23<br>
41b2obo$41bob2o2$42b5o$37b2o2bo4bo$37bo2bo2bo$38bobob2o$37b2obo5bo$40b...

dvgrn wrote:I had some mysterious trouble with line breaks when I was quoting RLE in my test HTML.

• RLE pattern reader now copes with blank lines between comments and header
• mouse wheel will now scroll help text

dvgrn wrote:Any advice as to embedding the viewer in non-conwaylife.com web pages?

• It expects there to be a <div class="rle"> element containing two elements:
  • A <code> element containing the pattern definition
  • A <canvas> element to draw on
• It dynamically sets the height of the <code> element to no more than 2.5 lines
• It hides the <canvas> element if no support is found in the browser for the Viewer
• It uses a window "load" event to trigger Viewer start
• It uses the width of the <code> element as a maximum width for the <canvas>

• Include the LifeViewer Javascript plugin "lv-plugin.js". You will need to change the <script> tag to point to where you have installed it.
• Create a <meta> tag with a name of "LifeViewer" in your webpage <head> section

  Code: Select all

  <html>
      <head>
          <meta name="LifeViewer" content="viewer textarea 30 hide limit">
          <script src="js/lv-plugin.js"></script>
      </head>
  </html>

• The content is a list of two mandatory words in a specific order and then up to three optional words in any order:
  • "viewer" - the class name of the <div> that wraps the element containing the pattern definition and the <canvas> element
  • "textarea" - the name of the element containing the pattern definition (in one of the supported pattern formats, typically RLE)
  • (optional) "30" - if specified then sets the height in pixels of the element containing the pattern definition
  • (optional) "hide" - if specified then hide the <canvas> element if the browser doesn't support LifeViewer
  • (optional) "limit" - if specified then limit the width of the LifeViewer to the width of the element containing the pattern

<html>
    <head>
        <meta name="LifeViewer" content="viewer textarea hide">
        <script src="js/lv-plugin.js"></script>
    </head>
    <body>
        <div class="viewer"><textarea>bo$2bo$3o!</textarea><br><canvas width="480" height="480"></canvas></div>
    </body>
</html>

<meta name="LifeViewer" content="rle code 37 hide limit">

dvgrn wrote:I guess it works to leave new-build announcements here on this mostly-invisible thread.

dvgrn wrote:Thanks again for all the time and effort you've put into this!

dvgrn wrote:Apparently I'm still doing something silly.

<div class="viewer">Hello World...<br><br>
    <textarea>#C [[ THUMBNAIL ... ]]
    x = 26, ...
    19bo$18...
    </textarea>
</div><canvas width="480"...>

<div class="viewer">Hello World...<br><br>
    <textarea>#C [[ THUMBNAIL ... ]]
    x = 26, ...
    19bo$18...
    </textarea><canvas width="480"...>
</div>

• You can now specify a custom Theme.
  • The COLOUR and COLOR script commands can now take a Theme element. There are five Theme elements that can be defined:
    • BACKGROUND - defines the background colour (where Life has never existed)
    • ALIVE - defines the colour when a cell first becomes alive
    • DEAD - defines the colour when a cell first dies
    • (optional) ALIVERAMP - defines the colour a cell will fade to when it has been alive for 64 generations
    • (optional) DEADRAMP - defines the colour a cell with fade to when it has been dead for 63 generations
  • As a minimum the ALIVE colour and one of BACKGROUND or DEAD must be defined
  • The 'C' hotkey will cycle through built-in Themes 0 to 9 and then Custom Theme if defined
  • The current Theme definition is displayed in the help information
• The <meta> tag "limit" word now both limits the width of the LifeViewer to that of the associated element containing the pattern definition and also sets that as the default width
• The maximum allowed width has been increased to 1024 pixels
• You can now scroll the script error list with the cursor keys, page up and page down, and the mousewheel
• Fixed an issue with the Life 1.05 and Life 1.06 decoders that would fail to read the last cell if there wasn't a trailing newline

1. Alive cells are white, dead are black

   Code: Select all

   [[ COLOR ALIVE 255 255 255
   COLOR DEAD 0 0 0 ]]

2. Alive cells are white, dead are black, cells never occupied are dark blue

   Code: Select all

   [[ COLOR ALIVE 255 255 255
   COLOR DEAD 0 0 0
   COLOR BACKGROUND 0 0 128 ]]

3. Cells never occupied are grey, cells just born are red and fade to white as they stay alive, cells just died are green and fade to black as they stay dead

   Code: Select all

   [[ COLOR BACKGROUND 96 96 96
   COLOR ALIVE 255 0 0
   COLOR ALIVERAMP 255 255 255
   COLOR DEAD 0 255 0
   COLOR DEADRAMP 0 0 0 ]]

dvgrn wrote:But is it possible that the viewer could be useful on the LifeWiki somehow, as a partial replacement for the Java applet?

rowett wrote:

dvgrn wrote:But is it possible that the viewer could be useful on the LifeWiki somehow, as a partial replacement for the Java applet?

I'm fairly sure it could help however I never saw the Java applet so it's hard to comment. What functionality did it have?

dvgrn wrote:Not that it's at all difficult at the moment -- it just requires sending an email to [email protected] with an RLE file attachment. I simply have never gotten in the habit of putting together those emails, whenever I see that a file is missing.

Nathaniel wrote:My main question is: do we want there to be an "external" viewer that people can click to for each pattern as well? Back when we had the Java applet, there was a link (below the "Animated image" link in the right-side infobox) to the pattern in the Java applet. Should we have a link there to an external viewer with the image in it? Or maybe a viewer that opens up overlaid on top of the current wiki page?

• added grid line display (not displayed by default)
  • will only display at zoom levels >= 4 and at angle 0
  • hotkey 'X' to toggle
  • script command "GRID" to enable on startup
  • "COLOR GRID R G B" will define grid line colour (or "COLOUR GRID R G B")
• correctly handle ":" character in rule name
• added "shapeloop-b" and "2armshapeloop-a" to the "shapeloop" colour set

• added major grid lines to grid line display
  • script command "GRIDMAJOR <0..16>" to define interval (default = 10, no major lines = 0, all major lines = 1)
  • script command "COLOR GRIDMAJOR R G B" to define colour (or "COLOUR GRIDMAJOR R G B")
  • grid is now drawn over the bottom layer rather than over the top layer
  • grid state and colours are now displayed in the help information
• extended multi-state support to 256 states
• corrected multi-state fit zoom to display for non-LifeHistory rules

rowett wrote:

Nathaniel wrote:Back when we had the Java applet, there was a link (below the "Animated image" link in the right-side infobox) to the pattern in the Java applet. Should we have a link there to an external viewer with the image in it? Or maybe a viewer that opens up overlaid on top of the current wiki page?

I'm not really qualified to answer since the Java applet was before my time and I've not really used the Wiki. But from a technical standpoint all things are possible. I'll leave it to the more experienced to decide