Acer Tablet Laptop Review with Zbrush
Article by Chris Grim (Article Info)
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Acer TravelMate C310 TMC312XCi Convertible Tablet PC
Over the past 8 months I have had the pleasure of owning an Acer TravelMate tablet laptop. A combination of sketchbook, workstation and entertainment all rolled up into one 6 lb. machine. I am a graduate student at Savannah College of Art and Design. My focus is digital sculpting to create realistic 3d models. The industry is expanding so fast that it is becoming harder to stay ahead of the curve; so I keep my eye out for tools that help with the modeling process. It is my pleasure to pass along one of those tools to you.

Overview
Traditional sculpture has been around for ages, from the Greeks classical depiction of Gods to bronze statues of Buddha. The ability of the artist to lay his hands on his creation allowed for total control of the medium. With the advent of modeling in the computer, the sculpting techniques started from ground zero. The sculptor lost contact with his artwork, separated by a thin layer of glass. The artist had to make do with a mouse and the art of pulling and pushing points.
Programs have started compensating, trying to bring the sculptor closer to the model. Recent ones such as Zbrush have show significant improvement in the process of creating models. With the ability to pull and push the model as you would clay, the art of 3d sculpting has taken a step closer towards traditional. Software advancement is essential, as is human interaction with the computer. Drawing with a mouse is akin to performing brain surgery with an axe. Wacoms introduction of tablet technology allowed a new level of control. The artist could now draw on a flat tablet with a stylus (an inkless pen that replaces the mouse). Despite the ability to draw with the stylus, the artist still had to keep their eyes on the screen instead of watching where they were drawing. This process requires a constant calibration between where the viewer is drawing, and where they think they are drawing.
Tablet laptops next emerged and are new tools that, similarly to the Cintiqes, allow the user to draw directly on the screen. The truth is the tablet acts very similar to the Cintiq in terms of creating art. When you buy a Cintiq you are buying a very nice monitor. When you buy a tablet PC, you are purchasing a whole computer that you can take anywhere. There are a few brands that rise above the rest in the tablet market. Of these, I found two that impressed me the most were Acer and Toshiba. I purchased the Acer, so my review will mainly be geared around that tablet. A friend of mine recently purchased a Toshiba and assures me his laptop is very comparable to mine.

There are three forms of tablet computers: 1) convertible tablets are laptops that convert into tablets 2) hybrids slates that plug into keyboards and 3) finally there are just slates. A slate is just a tablet screen with the computer built into the back-side. While the slates weigh significantly less they dont have the computing power of the tablet computer.
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Thanks for writing this review Chris! I think in a few years we will all be wondering how we ever had computers with seperate monitors.
I had heard about an IBM and Gateway tablets as well. Id love to get any feedback from people who own different types. Do they use different screens?
Thought I'd chime in since I'm working on building lots of unreal assets using maya and zBrush on my Acer 314XMi, the same model but 2Ghz Pentium M. All i have to say is that I absolutely love this machine.
I owned the previous Acer TabletPC to this model. I think it was the 300XMi. The older model featured an intel graphics chip that was openGL compliant but was still very quirky when compared to the nVidia chip. Maya wouldn't display using the high quality mode, and houdini threw fits. The 300 is now my backup machine.
When I had the 300 I created work for the history channel and stubbs the zombie among some other titles. The current machine has helped me contribute to coming midway titles on the xbox360 and ps3 and more history channel tv shows and even some nickelodeon tv shows.
This machine is production worthy. I can bake 4k occlusion maps on 100k triangle models in about 5 to 10 minutes in the background while browsing the web with no noticeable hit. I'm looking for more photo reference, of course. I can push around a high res zBrush object and use zMapper to kick out normal maps for next gen consoles.
My desktop machine is a 3.2Ghz pc with a 6800GT and most importantly, a wacom cintiq 18sx. Since I can carry my tabletPC around with me I get much more use out of my 14" acer than my 18" cintiq screen. I'll also note that the pen on the 18sx and the acer are compatible. Not the case with the 21ux.
I've gotten a lot of questions asking about the durability of the screen, scratching and what not. I used the 300 for about a year and the screen isnt scratched, and I've been using my 314 for nearly a year and the same case, no scratches. I've never had to press on the screen so hard as to leave a scratch, the pen is quite sensitive enough to not need to.
My only complaint is that I'd like a higher resolution screen the 1024x768 screen is pretty standard, but after seeing a friends asus 1680x1050 15" screen I felt a bit envious. As soon as i see another acer tablePC with a higher res screen I'm upgrading again.
In 2000 I got a wacom 14" PL-500, and spent the 3k on the screen, ever since then It's been something I cant work without. If I knew I were going to be working at a desk more often I'd invest in a 21ux, but so far my roaming freedom has made me happier with the 314.
Thanks for writing that article, i've been curious about zbrush+tablet pc for a while now, nice to read a 1st hand experience.
Something i'm curious about; you mention you use an external USB keyboard. Have you looked into ways of avoiding the keyboard entirely? I see in the photo's your machine has buttons across the bottom for when its in slate mode. You might be able to use something like autohotkey to map them to ctrl/alt/shift. You can find autohotkey at http://www.autohotkey.com/
The most important tablet PC's on the market (example: Acer, Toshiba, Gateway, HP) use Wacom's patented cordless and battery-free pen technology.
The Tablet PC version of such technology comes with only 256 levels of pressure sensitiveness.
Manufacturers that use Wacom's technology: http://www.wacom.com/tabletpc/oem.cfm
Tablet PC and Cintiq comparisons: http://www.wacom.com/tabletpc/comparison.cfm
Comment: I'm really disappointed -- I couldn't find any Tablet PC with a decent graphics card (NVIDIA Quadro FX Go, GeForce Go 7800, or at list a GeForce Go 7600) and dual core processor ...There are so many powerful Laptop workstations out there for 3D professionals (BOXX, DELL...), how come no manufacturer has integrated the usefulness of a Tablet PC with the power of a workstation?
Well, the C314XMi is equiped with a GeForce Go 6200, which is why I'm really enjoying using it with zBrush and Maya. As far as I've been able to find this has been the best deal for the dollar. By the time you get to a 7800 in a laptop you're already looking at something closer to $3k.
An unfortunate stigma of the TablePC is that it is for "non-professionals" who can't use a keyboard. Or arent in a position to use a keyboard. This market segment wouldnt shell out $3k for a desktop let alone any portable solution. This requires a lower price and less features.
I think articles like this are important to more or less "prove" to manufacturers that there really *is* a market for building high end TabletPCs.
Toshiba sell a few 'high-end' convertable laptop/tablets, with several pros and cons:
M200
+1400x1050
+12" display
-geforce 5200
-Pentium M 1.7
-older model
-poor battery life
-no optical drive
M4
+1400x1050
+14.1" display
+geforce 6200
+optical drive
-poor battery life
-big and heavy (compared to regular tablet pcs)
M400:
+1400x1050
+12" display
+dual core
+good battery life
+optical drive
-intel gfx chipset
If the M400 had an nvidia chipset it would've been perfect. Apparently an upgrade to the M4 is in the works, might be worth waiting for.
Most tablet pc companies aim at very specific markets, eg doctors who make notes while doing rounds. As such their needs are very clear; light, long battery life, small size.
Toshiba have gone another more generic path, making average spec'd laptops, that happen to have tablet pc functionality too. That makes them much more suited to vfx people, who are likely to need regular laptop features most of the time, then switch to tablet mode occasionally for modelling and sketching.
Let's think this way: When the manufacturers of REALLY high end laptop workstations builds something with a Quadro FX Go/GeForce Go 7800 (250 meg), who are they aiming at?
Surely the majority of the target consumers are 3D/2D artists. Is there anything more logical then putting a tablet screen on such machine? Do you really need to obligate the artist to carry a wacom tablet with the laptop? (and every one knows that the tablet pad is not as effective as a tablet screen...)
Everything seems so obvious to me...
I'm a freelancer and I would like to have the comfort of working (or just animating as a hobby or learning a new software) while traveling, I can't stay a weekend out of my apartment because work is going to start accumulating or I'm going to loose precious learning time. Anyway -- I have $3,000 and must decide between having a high end laptop (and deal with complex scenes) or a tablet pc (and model/texture directly on screen)!! Thats ridiculous!!
Well, I have made my decision: I'm buying a CINTIQ right now and I will be waiting (stuck in my apartment...) for the administrators, of the interested companies, to wake up!!!
One more thing, Thanks for badkangaroo and mastela for talking to me and do you guys know if one can upgrade the graphics card of your referred tablet PCs?
Hi Chris and other TravelMate Owners,
After reading your article, viewing the responses, and doing some other research I decided to pick up my own TravelMate c310 on Monday. It just arrived today and I'm afraid to say that I'm encountering some sort of technical issues that Acer hasn't been able to help me with.
When I booted up my c310 earlier today I had an obvious issue of the back light being turned off. After playing with the "fn+F6" key combination I was able to fix the issue. However, I then ran into some serious performance issues. Like having Photoshop crash while doing some minor painting and having WarCraft 3 (a game I can max out on my 5 year old Dell) run poorly until another crash.
After chatting with Acer and one reformat later, I've fixed the crashing issues but I still feel like my machine is running sluggish. For example, ArtRage is the only application that recognises my pen pressure, I'm experience some considerable lag while painting in Photoshop, and if I rotate a model that exceeds 500k in Zbrush it drops to about 10 fps. Are these performance issues abnormal? If so let me know ASAP so that I can either exchange my laptop or have it repaired. Thanks for your help!
-Dave
PS: I believe I may be just missing some option somewhere, how do I configure my pen pressure. At the moment I'm I feel I'm pressing two hard on my c310 compared to my trusty old Wacom. Thanks again!
mestela commented with some Toshiba options. I'm thinking about going with M4. It seems it might be a bit heavy and bulky with the larger screen, but I think it might be worth it to have more screen and more power.
Anyone else know anything about these?
Yes,indeed..it seems to be a powerfull tool.....but...it's a bit to expensive for my pocket... maybe if I was a pro designer I would buy such a computer, but,beeing just an amateur.... slim chances...
Chris wouldn't the Tablet too depend on the Processor(Memory Ram).? What is the configuration(of the Laptop)you used? I couldnt check in on the Model(mentioned by you) so.
Thanks for the technical handy Advice.
Can anyone in hear help me out? I bought a replacement battery for my Acer laptop about a month ago from http://www.laptopsforless.com/laptopbattery/acer-battery
and it works great. Is there any reason to think that a replacement Acer laptop battery would be any worse than the manufacturers? My concern is the laptop battery fire risk, would this be a risk with a replacement battery?
Thank you guys for the guide. i am really glad that I saw this Article and all the comments as I am currently looking for a good computer to buy for 3D. I am really new to 3D.
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