| | <<<Back 1 day (to 2013/01/05) | 2013/01/06 |
| ekx | I'm trying to get CUPS-PDF working, but ghostscript silently fails to generate the PDF from the spool file... is this the right place for help? | 04:53.17 |
| | I think it's a permissions issue, since appears to work when I run the command as root | 04:55.23 |
| JakeSays | when i use mudraw to extract text to xml (-ttt mode) what are the units of the coordinates that are produced? | 16:53.17 |
| henrys | mvrhel_laptop:you around? | 16:57.35 |
| mvrhel_laptop | hi henrys | 16:57.44 |
| | I am hopeful our house will soon not be under quarantine any longer.. | 16:58.22 |
| henrys | know of any ms tools for verifying xps files my xps driver produces file that create a file format exception in windows. I tried setting up a .net environment with debug and all but that is all screwed to hell as far as everyone can tell. | 16:59.44 |
| | oh everyone got sick? | 17:00.40 |
| mvrhel_laptop | henrys: all but my son. and he seems to be coming down with it now | 17:01.05 |
| | henrys: let me see what I can find xps wise | 17:01.39 |
| | if you want to send me the file I would be curious to look at it | 17:02.04 |
| henrys | sure it is legitimate zip and works with our xps but not windows. I'll email it to you. | 17:02.38 |
| mvrhel_laptop | ok great. | 17:02.47 |
| henrys | okay sent, the robot vacuum cleaner is in a nest of networking and power cords | 17:06.39 |
| mvrhel_laptop | got the file | 17:07.18 |
| JakeSays | i cant even find any documentation on the units of -ttt | 17:09.09 |
| henrys | I do need to fix the date and time stamps of the files but I don't think that is the issue, but I wish the .net stuff would give me a better error message. | 17:09.30 |
| | I suppose I should be thankful it stops at all instead of marching off to a blue screen | 17:10.46 |
| mvrhel_laptop | henrys: yes. let me run this on another tool. this may take a bit... | 17:16.22 |
| henrys | oh thanks | 17:16.41 |
| mvrhel_laptop | henrys: have to run a couple errands, but I will spend a bit of time on this later today | 17:28.44 |
| henrys | okay thanks | 17:28.57 |
| mvrhel_laptop | henrys: I think I see the issue | 17:52.48 |
| | your 2.fpage object has no fixed page schema information | 17:53.30 |
| henrys | yikes there shouldn't even be a page 2 | 17:54.57 |
| mvrhel_laptop | oh ok | 17:55.18 |
| henrys | that should be easy to fix. | 17:55.30 |
| | thanks for your help | 17:58.14 |
| mvrhel_laptop | sure. I am glad I was able to help | 17:58.29 |
| henrys | that was indeed a bug but not the source of the exception | 18:18.42 |
| mvrhel_laptop | oh darn | 18:19.44 |
| | If you want to send me the fixed file as you have it now, I will look at it today some. | 18:20.14 |
| | we have to head out now for a bit | 18:20.21 |
| henrys | let me look a little further. | 18:20.38 |
| GMJorge | Hi! | 18:57.09 |
| sebras | I wish ghostbot would tell people sending questions here to be patient during weekends... | 21:31.49 |
| JakeSays | bah this is driving me nuts. i'm missing something obvious | 23:22.44 |
| sebras | JakeSays: if you are still stuck at the units used for the cordinates in mudraw -ttt output, then I recommend you to talk to tor8/Robin tomorrow. | 23:29.23 |
| | I'm usually only involved in the parser side of things, not the actual graphcs drawing... | 23:29.50 |
| | need to go, good night! | 23:30.08 |
| JakeSays | sebras: sheesh. what is it with people having lives and being here on weekends! :p | 23:30.17 |
| Robin_Watts | sebras: night | 23:30.17 |
| sebras | Robin_Watts: night! | 23:30.41 |
| JakeSays | *not being here on weekends. ok bad joke. | 23:30.42 |
| mvrhel_laptop | hi Robin_Watts | 23:31.04 |
| JakeSays | Robin_Watts: hey, since you're here, what are the units in the xml output from mudraw -ttt? | 23:31.38 |
| Robin_Watts | JakeSays: offhand, I don't know. | 23:32.21 |
| | I suspect that you need to compose the transforms as you move down the depth. | 23:32.35 |
| JakeSays | i'm not totally sure what that means | 23:32.55 |
| Robin_Watts | and assuming you start with an identity transform, you should be rendering at 72dpi. Or something like that. | 23:33.01 |
| JakeSays | Robin_Watts: i dont think i'm explicitly doing anything with transofrms | 23:33.38 |
| Robin_Watts | The matrices in use are effectively 3x3 matrices, with the right hand column always 0 0 1 | 23:34.13 |
| | so, when you a matrix listed as [a b c d e f] | 23:34.33 |
| | it's actually: | 23:34.37 |
| | ( a b 0 ) | 23:35.19 |
| | ( c d 0 ) | 23:35.21 |
| | ( e f 1 ) | 23:35.24 |
| JakeSays | right, but what i'm saying is, i dont ever set a transform | 23:35.54 |
| Robin_Watts | To map a given point (x y) through that matrix, you treat it as (x y 1) and multiply it, thusly: | 23:36.20 |
| | (x y 1 ) . M = (ax+cy+e bx+dy+f 1) | 23:37.18 |
| | Right. You might never use transforms, but they are used throughout PDF. | 23:37.40 |
| | There is a 'current transform' used by PDF and things like groups have others etc. | 23:38.11 |
| JakeSays | i guess i should explain what i'm doing. i extract text and paths from a pdf, then i display the pdf, now i need to overlay bounding boxes of the text/paths i extracted | 23:38.31 |
| Robin_Watts | Right. so whenever you encounter an object in a PDF you need to compose the transformations that are in effect for each level of nesting to that point to get the current transformation. | 23:39.22 |
| | Then you can know where the contents are. | 23:39.45 |
| | I've got to go now. Got an early morning eye test etc. | 23:40.22 |
| JakeSays | ok. ty for your help. | 23:40.30 |
| | Forward 1 day (to 2013/01/07)>>> | |
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