Activity for FangQ
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FangQ posted a comment on ticket #25649
thank you so much, it is working now, and I can save edits.
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just tried, still gave me the same error when saving new edits.
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the cloudflare ray ID of the error page is Cloudflare Ray ID: 86bcec9f7ef78d11
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website perl CGI script refuses to save changes
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Duplicated mails using Davmail+POP3 for O365 exchange emails
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hi Jerome, thanks again for the previous points on the 3D texture sample code, and I was able to adapt it for rendering my data. One follow up question on this - I know this is related to my lack of understanding to OpenGL rendering pipeline in general, but hopefully there is a simple change you can suggest: The 3D texture example renders a 3D texture array in a 1x1x1 dummy cube. I am currently working on adding axis labels for an Nx x Ny x Nz array as texture. To do that, I need to render the texture...
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hi Pavel and Jerome, can one of you point me to the unit that defines the texture data types? I see a Longword is used in the Texture3D example, but don't know what data types are supported (and their values) https://sourceforge.net/p/glscene/code/HEAD/tree/branches/GLSceneLCL/Examples/Textures/Texture3D/Texture_3D_Unit.pas#l42 I am particularly curious if I can load 32bit floating-point data into a texture. thanks
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hi Jerome, to compile either examples on LInux, I need to make a few minor changes: for the Texture3D example, I need to change Texture3D.lpr: change unit1 to Unit1, Unit.pas line#107: Head.tx3 to head.tx3 (alternatively, rename the file) for the UvMapping example, Unit1.pas line#362: change "cube.3ds" to "Cube.3DS" (alternatively, rename the file)
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thank you so much! both Texture3D and UVMapping examples are extremely helpful. I will likely to adapt the Texture3D example since it deals with 3D volumes directly, and is really fast. yes, I am also aware of mricrogl but currently I don't need a full-featured 3D rendering program. The features in the Texture3D example is just about everything I need, and the code is very short and easy to understand/adapt. thank you for pointing me to this code!
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hi Jerome, thanks for the update. I tested svn7124 on Linux today (lazarus 1.8.2), it was installed mostly ok, except that I have to remove the 3 sound units (GLSoundFileMP3.pas,GLSoundFileOGG.pas and GLSoundFileWAV.pas) when compiling OpenAL package. I am not sure if these 3 units are windows specific, or they are not included in the LCL branch. I will test the version on my mac today.
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I sent a question via email to this board, but it seems it got lost and never posted. Let me just post my question following this thread. I am trying to visualize a 3D medical image, which is a 3D array of floating-point values. I would like to create a thin slice, and map the image data as texture to the slice (at the begining, just the x/y, y/z or z/x plane, in the future, may go for oblique slices). I am wondering if anyone can share a few lines of code to show how to converts a 2D/3D array into...
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check out my post in this thread: https://sourceforge.net/p/glscene/discussion/lazarus/thread/93b8250a/ Jerome incorporated some of these to svn commit 7115, and then added a few more commits, but when I tested the last one, 712x, I still got a few errors. so, the easiest way is to rollback to 7114, and apply my patches. if you have a mac, you need also to apply the additional change in the above thread.
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I bought a new mac (imac 5K display with AMD R9 graphics), and now my glscene application starts to crash - basically, it just froze the screen for a second and then logged me out. When I check the /var/log/system.log, only the 1st line seems to be related, others seem to be related to re-login: Mar 29 19:04:14 qianqians-imac sessionlogoutd[1425]: DEAD_PROCESS: 987 console Mar 29 19:04:14 qianqians-imac nxnode.bin[1117]: BUG in libdispatch client: dispatch_mig_server: mach_msg() failed (ipc/send)...
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here is a patch to enable compiling glscene svn7114 on Linux with Lazarus 1.8. could not submit a ticket, so I just post it here. fixes include typos of GlFileX, FGuiSkinEditor, and the missing of LazUTF8. For unit FGUISkinEditor, I also need to remove Windows unit, can be done more elegantly using a {$IFDEF Win32} or Win64. diff --git a/glscene_7114_LCL/Packages/GLScene_DesignTime.lpk b/glscene_7114_LCL/Packages/GLScene_DesignTime.lpk index a1e24bb..571374a 100644 --- a/glscene_7114_LCL/Packages/GLScene_DesignTime.lpk...
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here is the patch to compile glscene 7114 LCL on Mac OS. In addition to the below change, need to do sudo pico /Developer/lazarus/components/images/imagesforlazarus.lpk and insert <DebugInfoType Value="dsDwarf2Set"/> below the line <GenerateDebugInfo Value="True"/> diff --git a/glscene_7114_LCL/Source/SoundVideoAPIs/openal.pas b/glscene_7114_LCL/Source/SoundVideoAPIs/openal.pas index 6d40ba8..a04bdbb 100644 --- a/glscene_7114_LCL/Source/SoundVideoAPIs/openal.pas +++ b/glscene_7114_LCL/Source/SoundVideoAPIs/openal.pas...
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here is the patch to compile glscene 7114 LCL on Mac OS. In addition to the below change, need to do sudo pico /Developer/lazarus/components/images/imagesforlazarus.lpk and insert <DebugInfoType Value="dsDwarf2Set"/> below the line <GenerateDebugInfo Value="True"/> diff --git a/glscene_7114_LCL/Source/SoundVideoAPIs/openal.pas b/glscene_7114_LCL/Source/SoundVideoAPIs/openal.pas index 6d40ba8..a04bdbb 100644 --- a/glscene_7114_LCL/Source/SoundVideoAPIs/openal.pas +++ b/glscene_7114_LCL/Source/SoundVideoAPIs/openal.pas...
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here is the patch to compile glscene 7114 LCL on Mac OS. In addition to the below change, need to do sudo pico /Developer/lazarus/components/images/imagesforlazarus.lpk and insert <DebugInfoType Value="dsDwarf2Set"/> below the line <GenerateDebugInfo Value="True"/> diff --git a/glscene_7114_LCL/Source/SoundVideoAPIs/openal.pas b/glscene_7114_LCL/Source/SoundVideoAPIs/openal.pas index 6d40ba8..a04bdbb 100644 --- a/glscene_7114_LCL/Source/SoundVideoAPIs/openal.pas +++ b/glscene_7114_LCL/Source/SoundVideoAPIs/openal.pas...
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here is a patch to enable compiling glscene svn7114 on Linux with Lazarus 1.8. could not submit a ticket, so I just post it here. fixes include typos of GlFileX, FGuiSkinEditor, and the missing of LazUTF8. For unit FGUISkinEditor, I also need to remove Windows unit, can be done more elegantly using a {$IFDEF Win32} or Win64. diff --git a/glscene_7114_LCL/Packages/GLScene_DesignTime.lpk b/glscene_7114_LCL/Packages/GLScene_DesignTime.lpk index a1e24bb..571374a 100644 --- a/glscene_7114_LCL/Packages/GLScene_DesignTime.lpk...
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By a "patch", I meant the basic objects like TGLDisk, TGLPolygon, TGLPlane etc, where it is an open-surface (not like a closed surface such as a TGLSphere or TGLCylinder).
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thank you Jerome, the example is very helpful. looks like the TGLFreeFormEx.BuildMeshObjectFrom() function is exactly what I need. on a related note, I have been working 2D/3D mesh generation for a quite while, I know that it has been really difficult to perform surface boolean operations on overlapping/degenerated surfaces. I have been using Cork in the recent year (https://github.com/gilbo/cork) but still it fails when merging two co-planar surfaces. The old GTS library fails in even more cases....
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Dear GLScene experts, thanks for developing this incredibly useful library. I could write 3D rendering applications without delving into OpenGL, it is so much easier with GLScene. I do have a couple of questions related to object rendering. first, if I create a patch-like object, like TGLDisk or TGLPolygon, I could only render one side of it, but when rotating to the back-side, it is completely invisible. I posted my question at Lazarus forum, one of the users suggestd to change GLView.Buffer.FaceCurlling...
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test
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precompute reciprocal of v, implement own nexta...
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remove nextafterf because it takes 60% of hitgr...
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wiki page history to git conversion script
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replacing string concatenation by str cells to ...
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fall back to system installation when utilities...
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backport JSONlab updates on github
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revert mcpath to rev504, do not automatic downl...
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automatically download binaries when missing
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correct file name format when testing existance
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show users download URL when a binary is found ...
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ensure htime are all positive to avoid -inf, en...
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allow divided by 0, yielding inf and let IEEE 7...
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restore rev 351: rev 352 gave wrong absorption ...
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completed update using reciprocals of v, unfort...
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precompute the reciprocal of the velocity vecto...
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fix total simulated energy counter calculation ...
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Restore registers from shared mem, by Fanny Nin...
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Determining block size in autopilot mode using ...
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do transmission when photon enters the domain
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fix refractive index mismatch transmission bug
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add uniform line source and slit source, sugges...
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tag v1.7.9
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accept more parameters in s2m
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jsonlab update affiliation
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update license file
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update ChangeLog, update help
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update Qianqian's new affiliation, update mesh2...
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fix bug for wide field sources
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update affiliation, Qianqian now moved to North...
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make precise ray-tracing default to improve acc...
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makefile change to debug local memory usage
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use proper epsilon for float roundoff tests
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add nsight project files
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fix bug when -G followed by a non-binary string
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omit rowspan and colspan if span is 1
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omit rowspan and colspan if span is 1
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fix rowspan bug
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fix FileName case bug
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fix FileName case bug
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multiple GPU support! set fermi as default, set...
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fix address alignment error for CUDA 6 or higher
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fix github bug #10, reported by MartinKjer
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mcxlab can query gpu info by mcxlab('gpuinfo')
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return gpu info for better interfacing with matlab
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prevent random ordering in cgalv2m
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update core per SM count table
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make maxgate by default the total needed gates
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set default target to fermi
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makefile updated for cuda 6.5
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support saving photon seeds and replay
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accept endianness input
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polish coding styles based on matlab hints
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update version to 1.1
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add tests for special character escape
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massively accelerating loadjson for parsing lar...
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apply fixes in loadjson/savejson to loadubjson ...
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massively speeding up loadjson for parsing larg...
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force array bracket in 1x1 struct to maintain d...
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parse logical in loadjson
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making options case insensitive
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add new lines to match github repo
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reading unicode encoded json files, thanks to S...
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allow \uXXXX to represent a unicode in a string
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fix orthdisk bug
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qmeshcut allows to exact plane that are exactly...
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fater core element search algorithm
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add helper function for mmc and meshacylinder
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3D lattice function, surf2mesh support region-b...
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handle cases where the original mesh is a conve...
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getvarfrom is not working, change to inline fun...
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allow to insert external nodes to the mesh
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test avoid divided by zero when setting axis equal
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minor modification to meshquality
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allow binsurface to mesh a 2d image
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handel empty struct array
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save 0x0 solid real empty array to null
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merge char escape handeling to escapejsonstring...
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update meshquality to add surface support
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