The magazine for members of

The RISC OS 2001 Show gets a new venue

Photodesk Olympic with all the add-ons

Paradise Graphics Tablet where the pen is mightier than the mouse

PhotoFiler thumbnails for your graphics icons

Issue 39 — Autumn 2001 Still Waiting And Hoping

n the last issue, in the expectation educational program in RISC OS to Ithat Omega was finally coming come from Sherston. Another big onto the RISC OS scene at the name from the first days of Acorn, Wakefield Show, I optimistically Beebug, has now completely left the asked if I could junk my unloved scene and is just supplying Windows Windows PC. That rhetorical computers to schools. question so far gets the answer “No!” However, there still are good reasons Unless MicroDigital have made the to remain optimistic. Some surprising long awaited announcement of an new hardware has appeared for the issue date in the few weeks between educational market, in the form of writing this and Eureka being Slym (pronounced slim) a RISC OS distributed, we can only hope that the unit built inside the housing of an forecast made at the Big Ben Show in LCD screen, with mouse and Holland in June that Omega keyboard linked by radio. Also the deliveries should start in a few weeks amazing new graphics program will be realised and we will be able to Vantage has been completed and the see and buy it at the RISC OS 2001 full release version is now available. Show at Bracknell in October. As for Omega, the cheering news Meanwhile, the potential market for a from the Holland Show was that, new RISC OS machine is getting despite RISCOS Ltd’s announcement smaller and less and less new that they would not at present be software is appearing as more and producing a 32-bit operating system, more previous Acorn companies find Omega will be able to run both 26-bit it no longer viable to produce it. and the more advanced 32-bit software without needing one. In this issue we are reviewing what, sadly, is expected to be the last Peter Jennings

All opinions expressed in Eureka are those of the authors and not necessarily those of the Club or its Committee members and officers. CONTENTS

4 PhotoFiler 30 Xara X: ArtWorks for Windows? The Program that turns graphics Should you change machines to filetype icons into thumbnails of upgrade from ArtWorks? the file. 34 Gill’s Caring Journal 8 Photodesk Olympic With your best interests at heart, our The new version of the graphics diarist offers advice on how to be program with all the adds-on and cool and suggests a fun way to add more. to the RISC OS community.

17 TextArea Upgrade 41 Paradise Graphics Tablet The new ArtWorks module gets Using a pad and pen for graphics even newer. work.

17 Member’s Ad 51 The DoubleCross Puzzle Free computer on offer to a good The latest word teaser in our home. popular series of puzzles.

18 Number Plane 52 At home with the spods From the train to the plane with How many computers do real spods another fun way to learn to use have, what do they use them for and numbers. how do you compare?

22 ArtWorks Colour Bar Module 55 Odd ode: The FriendlyOne The latest add-on to the popular An Acorn user puts her feelings in Acorn vector graphics program. verse.

24 ARM Arena 56 Hard Disc Companion Into battle again with another The latest version of the old major games release and the established backup utility. promise of more to come.

2 Eureka 39 — Autumn 2001 59 Meet the Omegus family A new venue in Berkshire for An introduction to our new the RISC OS 2001 Show cartoon series.

60 LoadMaster 68 DiscKnight to the rescue Now RISC OS has a download One (of numerous) examples of management program. the power of the Club’s bargain price data saver. 62 Questions and Answers Our Technical Help Team deal 70 The RISC OS 2001 Show with the problems of a dead hard Where, when and how to get disc and some code that doesn’t there. work. 74 Coming next issue 65 The Double Cross answer What’s already planned and The words with the letters you what’s still a hope. couldn’t fit in the problem on page 51. 75 Club Contacts Who’s responsible and where to 66 Web Sound Plugin contact them. New software which lets you hear some of the sounds on the Web you’ve never heard before.

Eureka 39 — Autumn 2001 3 PhotoFiler

hen you buy a collection of clip Additional features allow you to Wart the most irritating thing to replace directory sprites with your discover is that the files have all been own, customised versions (some given numbers preceded by examples are included) and give you completely uninformative names. the option to remove the pling (!) You open a directory to find rows of from the beginning of application identical icons repetitively titled with names.

Peter Jennings sees how you can keep in the picture with your graphics icons and give your directories a tidier look by using the latest version of PhotoFiler. names such as Image1, Image2 and so A new upgrade of PhotoFiler has now on. The main culprits are collections appeared as a commercial program which have originated in the from Warm Silence Software at the Windows PC market and all you can same low cost, plus VAT, as the hope is that a fully illustrated previous shareware version. It copes catalogue has been supplied. with Sprites, Drawfiles, JPEGs and anything which ImageFS can handle. A few years ago PhotoFiler came on the scene, as software for a modest The program can be added to the Boot £10 shareware fee, to end this file Tasks directory to be annoying problem. A comparison of automatically run when the computer the two pictures on the facing page, starts up. It puts an icon on the icon showing the same directory of Draw bar which, when clicked on, presents files as originally seen and as shown a control panel of choices. Once you by PhotoFiler clearly illustrates how have decided on what you want you the problem has been solved. Each can click the final option, Control icon has now become a thumbnail Panel Auto-quit, and PhotoFiler will image of the graphic it represents. in future load without the icon

4 Eureka 39 — Autumn 2001 Unhelpfully named Draw icons (above) transformed by PhotoFiler (below)

Eureka 39 — Autumn 2001 5 cluttering up your icon bar. If you Tasks while holding down and want to access the Control Panel to the icon bar icon will be back. make any changes later you just need to hold down the key when Should you want to open a directory switching on, or click on the icon in of graphics with the filetype icons displayed instead of thumbnails you can again hold down to do this.

Choices allows thumbnail size, quality and speed of rendering to be set. There are three other settings which you may want to change. In the first Thumbnails box if you click on Indicate file type the thumbnails will, where possible, have a small file type icon in the bottom left hand corner.

In the bottom two boxes, checking Applications Hide plings will remove the ! from application file names and, as already described, a click on Control Panel Auto-quit will prevent the icon appearing on the bar when PhotoFiler is run.

The Control Panel to set your choices When opening a directory while PhotoFiler is active

6 Eureka 39 — Autumn 2001 Thumbnails including optional file type icons

you will see any graphics displaying A tidier look for directories when greyed out file type icons, which will application names lose their pling quickly change to thumbnails. This will be done in the background so you PhotoFiler can continue with whatever you want Price: £11.75 inc VAT to do. Only those visible will change. Supplier: Warm Silence Software Other thumbnails will be generated as PO Box 28, Woodstock you scroll them into view on screen. Oxfordshire OX20 1XX Tel/Fax: 01608 737172 For graphics users this is a must-have Email: [email protected] program at a bargain price. Web: www.wss.co.uk

Eureka 39 — Autumn 2001 7 Photodesk Olympic

s regular readers will know, I'm upgrade prices reflect which version Aa bit of a Photodesk fan. Any you have come from, so they are still time Peter (our Editor) has a few a good deal even just for the new pages to fill, I've often come up with Olympic features. Rather than some ramblings on graphical issues, reviewing the entire package, I'll normally involving using Photodesk outline what has been included in or some part of it. If you have been Olympic in addition to the features in

Photodesk fan David Ruck enthuses over the latest version of his favourite graphics program and offers some good advice from his own experiences of it. tempted to get into image creation and the version of Photodesk 3 lite which photo retouching but been put off by it replaces. the price, the latest version of Photodesk, Olympic, has to be the Photodesk 3 bargain of the century. Just like the The full version of Photodesk 3 Olympics, everything under the sun introduced the excellent layers has come together in one place, as it system, allowing far better control incorporates the full feature set of when producing montage images Photodesk 3, all the plug-in built up of several pictures. components and a few new features Previously, each picture would have too, all for the same price as the old to be built up in a separate window lite version. and then composited together at the final stage using masks and cut and I started off with Photodesk 2 lite, pasting with various levels of opacity. bought the plug-ins and then moved If any alterations needed to be made to the full version of Photodesk 3 to any of the original images, the when that came out and so have many composition would have to be of the components already. But the repeated each time. Layers solve this

8 Eureka 39 — Autumn 2001 The layers system introduced in Photodesk 3 by allowing each separate image to be putting a different logo on to worked on while being able to see someone© s t-shirt. Layering allows how the final montage will look with you to keep experimenting with the various transparency effects applied. technique until you are happy with it. You can perform all the normal editing effects while just looking at The other features the full version had one layer, or view it and any or all the in addition to lite, were the ability to ones underneath. Parts of each layer use ink calibrations for professional can be made see-through allowing printing and various effects when layers underneath to show as easily as overlaying one image over another, painting with a colour, layers can be such as adding, subtracting or moved relative to each other and the differencing. The lite version also order swapped. lacked the ability to produce drop shadows around irregular images Layers can be used for overlaying text pasted from the clipboard, which is contained in a draw file on to pictures quite a useful feature. in adverts, allowing the text to be edited and reimported at a later date. Photo Textures Also, it is useful for more fancy The Photo Texture disc was the first effects such as using the mapping add-on to be released. It tools to take one image and distort it supplemented the textures available on to a surface on another, such as in the image processing emboss

Eureka 39 — Autumn 2001 9 Choose a texture for a bit of embossing section and tool styling settings. map and vector formats. ArtWorks These are full symmetrical textures, and Draw files can be imported, meaning they can be tiled with no scaled and rendered with full anti- joins at the edges. They can be used to aliasing, either on to the image or as a make plain areas of colour more mask, which is useful for painting interesting in diagrams, or subtly fancy effects through on to a picture. applied over a whole image to make it Sprites, JPEG's, Windows BMP, GIF, look as if it has been painted on to a TIFF, Targa, PBMPlus and Photoshop surface. My favourite is hessian, bitmap formats can be read and which gives a printed on cloth written, the latter including full appearance. The textures supplied are support for layers. various stone and rock effects, grasses, bark, bricks, leaves and Photo CDs can also be read at any of rivets. the supplied resolutions. So there won't be many graphics files that Photo File Formats Photodesk can't handle, including Olympic now has all the standard and those such as 32-bit CMYK TIFF's additional file importers and that even !ChangeFSI chokes at. exporters, handling a range of both bit

10 Eureka 39 — Autumn 2001 Photo Special FX1 & FX2 Zoom Blur: progressive radial The best add-ons were the two packs blurring from the centre outwards, of special effects, although some are giving dramatic emphasis to the of more practical use than others. All centre of the image by giving the have many adjustable parameters and you are rushing towards it. are great fun to play with. Lens: has the effect of placing a Spin Blur: progressive circular convex lens over the entire image, blurring from the centre outwards, magnifying the centre and distorting useful for giving an impression of the peripheries movement to wheels, gears and clock hands, etc. It applies to the whole 3D Ripple Map: the effect of a scene image, so you need to cut the object to reflected in water that has been disturbed the clip board, apply the effect just to by a stone dropped in it, with circular it and paste back. ripples emanating from the centre.

Using the Lens special effect

Eureka 39 — Autumn 2001 11 Add a touch of Chrome with special effects

Diffuse Map: speckled effect, can be the tube is distorted as if looking applied to a photograph giving a very through highly refractive glass. artistic sprayed on look. Twirl Map: progressively rotates the Channel Map: uses the an alpha image around its centre, a definable channel to lighten and darken parts of amount. Produces either a striking an image. If, for example, a line is effect or a real mess, depending on the drawn with a large soft edged image! airbrush, it will look as if a glass tube is placed over the image. If first the Outline Glow: creates a white glow same alpha channel is used to perform around the outline of objects, for that a displacement map, the area under genuine ReadyBrek look as featured

12 Eureka 39 — Autumn 2001 in 1970’s TV commercials for porridge.

Sharpen Edges: exactly what it says. Can make pictures look as if they are etched onto the surface.

Hatch: smears the image at a 45° angle, as if it has become wet and the colours have run slightly. Surreal colours with the Contour effect Pixelise: makes the image blocky, useful for applying to just a Contour: works best on coloured face for that photo of the accused highlighted surfaces to produce a sort look! of heated titanium rainbow coloured look, or can be used on arbitrary Crackle Texture: produces a pattern images to produce a surreal of dark spots, as if the image were cacophony of colour. painted on to a rough metal sheet and has started to abrade off. Crystallise: turns pictures into simple but effective paintings using Median Filter: very useful filter for large brush strokes. removing isolated spots of noise from an image, such as dust on a scan or Dimple: as if printed on a dimpled transmission noise in a video capture. acrylic sheet.

Chrome: turns a coloured surface Glaze: a kind of stained glass effect, into a shiny metallic one. Especially with an area of colour acting like a good for taking a picture of a car and separate pieces of glass distorting the turning it into stainless steel Delorian light coming through it. from the Back To The Future films.

Eureka 39 — Autumn 2001 13 Posterise: reduces the number of These are essential for anyone colours used in an image, giving producing accurate matches to real pictures an artificial look, as if objects, that are specified in terms of painted in water colours. these schemes.

Raindrops: if set too large it can look Photodesk can now load and save a bit like rain drops on the image but PNG files. This format is becoming if too small and too many it looks popular on the Web as a new standard more like an acetate film that is for graphics to replace GIFs. Like blistering in the heat. GIFs and unlike JPEGs it is a lossless compressed format that means there New for Olympic is no degradation of image and the Olympic has several new features. uncompressed version is identical to The package now comes with an on- the original. But their advantage over line manual in HTML format that can GIF's are that they support more than be run directly from the CD, or copied 256 colours (24 bits per pixel and to hard disc. It has a getting started beyond) and support a full 8- bit alpha section for new users and contains channel for producing transparency plenty of useful illustrations of the effects, rather than a simple bi-level various tools and dialog boxes used to scheme in GIFs and sprites. configure them. It is well worth a read for even experienced Photodesk users This means Web graphics can be as, in such a full featured application, saved directly from Photodesk there are bound to be areas that you without needing any third party tools have not yet exploited to the full. that may not honour the alpha channel. It also makes an ideal For professional users, there is now a storage format for normal work, greater range of named colour gaining over Sprite and TIFF formats definitions provided, covering a range in that it is compressed and will use of Pantone variations, DIC, less disc space but still preserve both Focoltone, Munsell and Trumatch image quality and the mask. Although schemes, plus colour sets from other if you are working with multiple applications such as PageMaker. masks, you still need to save as TIFF

14 Eureka 39 — Autumn 2001 format, or Photoshop format for 768×576) that these routines are used, multiple layers. causing the images to be corrupted. Luckily I spotted this while I still had There are also new loaders for the original images. I reported this to Postscript and printout files but these Photodesk some time ago but perhaps are a bit of a mystery, as they are it was too late to make the release of shown in a screen shot in the manual Olympic, so I hope to see it in the next but there is no documentation on version. If any other Photodesk users them. I know Photodesk does not (of any version) experience similar contain a full Postscript render but I problems, they can be solved by suspect it is supposed to extract replacing these two programs with the bitmaps from Postscript files. latest versions which are on the Web. However I was unable to get it to make sense of any files printed via the DigiSnaps CD !Printers generic Postscript driver, so Accompanying the main Photodesk I’ll have to get in touch with CD, is the DigiSnaps CD, consisting PhotoDesk Ltd about that. The of 113 copyright free TIFF images. printout loader seems to want a file Using TIFF format means they take suitable for the Primera dye-sub up more space but are free from JPEG printer but as I don' t have a driver for artifacts which can often interfere that type, I was unable to try it out. with further processing. Although some of these images have come from One thing that I am surprised has not a digital camera which produced been updated are the copies of cjpeg JPEGs originally, these include Chris and djpeg within the JPEG loader. Hornby’s (the proprietor of The ones supplied are quire old Photodesk Ltd) photos from the Sinai versions and are not compatible with Desert and underwater shots in the the new 32bit Shared C Library Red Sea. The images are grouped into released by Pace to developers. I did the following categories: animals, not notice the problem at first because desert, flowers, general, insects, misc, I saved fairly small images in JPEG people, places, skies, textures and format and it is not until they are of a underwater. Disappointingly the greater size (something above textures are not the tileable type that

Eureka 39 — Autumn 2001 15 can be used directly in Photodesk but picture, giving a more pleasing rather just pictures of textured composition. objects. You'll have watch out for TEX10/JPG as it is actually a TIFF Conclusion not a JPEG and needs to be copied off If you are not already a Photodesk the CD and retyped before you can user, there is no better time to buy and load it. get everything together on CD. Existing users of anything less than While the images may not be directly the full Photodesk 3, can now catch useful to you, they are a great way to up to the full spec far cheaper than learn to do the various effects before. Only those who already have available in Photodesk, which are Photodesk 3 and all the add-ons may always more difficult if starting from want to consider if they need to a blank canvas. A good one to upgrade for PNG format import and experiment with, and one that has a export and the convenience of an good mix of colour and detail, is online manual. SWTAIL/TIFF. This is a stunning picture of a swallowtail butterfly feeding from a flower in perfect focus Photodesk Olympic in the foreground, standing out from Price: Full copy £135 the out of focus background. Upgrades: from 2.xx lite £100 from 2.xx full £85 I don't know if this was good from 3.xx lite £70 photography using a large aperture or from 3.xx full £20 if the effect was applied in a graphics Supplier: Photodesk Ltd package, but you can try to archive 1 The Courtyard, the effect on TEX8/TIFF. This is a Southwell Business Park picture of some plants in the Portland, Dorset DT5 2NG foreground with rocks behind that are Tel: +44 (0) 1305 822753 both in sharp focus and lacks a centre Fax: +44 (0) 1305 806483 of attention. By masking off the Emai: [email protected] plants and blurring the background, Web: www.photodesk.ltd.uk they jump into prominence in the

16 Eureka 39 — Autumn 2001 Quick On The Upgrade Free A5000 On Offer

In his very favourable review of Good home required for Acorn Martin Wuerthner’s TextArea computer surplus to requirments. Module in our last issue, Christopher Jarman made the A5000. RISC OS 3.11.162MB + following criticism: 41MB hard drive. 4MB RAM. 14” VGA monitor. Armadillo sound “The shape of the TextArea cannot recording card. be changed, nor will it export into Impression or OvationPro. I also Offered free to collector. found that the file would save out as an ArtWorks EPS file but that it Contact Rilla Paterson would not then transfer to the PC in 31 Rousebarn Lane, Croxley Green Corel Xara like the normal Rickmansworth, Herts WD3 3RL ArtWorks files.” Tel: 01923 245338 Email: [email protected] No sooner read than acted upon by Martin who has issued a version 1.08 upgrade to include these Free ads ... features. ... just one of the Club services

ArtWorks TextArea module Remember, if you have something Price: £35 to buy, sell or give away you can Site licence: £87.50 advertise it free in Eureka. Supplier: Martin Wuerthner Mannheimer Str. 18 That’s just one of the free services 67655 Kaiserslautern, Germany which come with your Club Tel: +49 (0)631 3608205 membership. Fax: +49 (0)7034 928915 Email: [email protected] Check them out on the back cover Web: www.mw-software.com/ of every copy of Eureka.

Eureka 39 — Autumn 2001 17 Number Plane

eachers and parents of six and waiting at the airport, ready to guide Tseven year olds will welcome the you on your journey. arrival of the Number Plane. At the Departure Gate, which can be Those who have already travelled on one of three depending on the level of the Number Train will be accustomed difficulty chosen, there are seven to the format. Murphy Mouse is different characters waiting to travel

Did you take the Number Train? Now you can go by air to brush up your mathematical skills (although it’s really intended for children) as Di Hillage reports.

Take your choice at the departure gates

18 Eureka 39 — Autumn 2001 with you. Each of them leads you to a set of activities which are closely linked to those found in the Numeracy Strategy.

Mr Flopear covers recognising and matching numerals and their number names. The Doughnut Dragons cover the concept of division and its link to repeated subtraction. As a teacher of older pupils who have difficulty with maths, I often find that children have never grasped this concept fully and subsequently have great problems with division.

The Zogs offer practice with addition Murphy Mouse guides again and subtraction facts for numbers up to 10, while Florrie Flutter extends option of spoken instructions. Each this to number pairs for 20. activity can be tackled at three different levels, which can be set by Dr Prickle and his family of the teacher in advance so that hedgehogs cover multiplication and members of the class can work its link to repeated addition. Debbie independently. Records of the Diamond checks on place value in activities attempted by each child are two-digit numbers and The Cooky kept and can be viewed or printed out. Spooners and their various pizzas and pieces of chocolate introduce the A pack of 31 Resource sheets is also concept of fractions. provided on the CD to give extra practice and further activities linked As we have come to expect from to the computer sections. This is an Sherston's in-house titles, everything excellent resource which will be is presented via clear screens with the welcomed by any busy KS1 teacher.

Eureka 39 — Autumn 2001 19 20 Eureka 39 — Autumn 2001 It fits nicely between Number Train for year R/1 and the Numberworks CD for lower levels of KS2.

Sadly it looks as if it the last of the line as far as RISC OS users are concerned. Sherston say that it is no Debbie Diamond, the pop star longer viable to produce RISC OS with a way with two-digit numbers versions of future titles. This is very disappointing for those of us still establishments. The quick and easy using these machines very effectively. + reset is a boon in such situations. However, despite the RISC OS computers do still have a sound base of software already place in education, the market which available and the continued was previously responsible for the commitment of some suppliers such majority of sales and hence the as Softease, the loss of sources such finance to develop the platform as Sherston, 4Mation and the like for further. Many primary and infant future titles is extremely schools are small and do not have disheartening. staff with technical IT knowledge nor the resources to buy this in. Number Plane Maintaining Windows based Price: £42.95 +VAT computers being used by little, Supplier: Sherston Software Ltd fiddling, fingers can be very time Angel House consuming and time is not a Sherston commodity in excess in such Malmesbury Wilts On opposite page SN16 0LH TOP: The pieces of pizza way to Tel: 01666 843200 understand fractions. Fax: 01666 843216 BELOW: Bag the right number to Email: [email protected] learn addition and subtraction Web: www.sherston.com with the Zogs.

Eureka 39 — Autumn 2001 21 ArtWorks ColourBar Module

his new ArtWorks module from circular. (See the illustration on TMartin Wuerthner is not going to facing page) cause problems with the race relations board. It is another seemingly simple Installation is the same process as for addition to the Acorn vector program all previous modules by Martin. from its biggest upgrader. Disable the Quickstart operation and

Add ons for ArtWorks keep coming from Martin Wuerthner and Christopher Jarman keeps us abreast of them, including the latest ColourBar module.

Many of you who dabble in the PC drag the new module into the arena will be familiar with the kind of ArtWorks Auto directory. colour selection bars which are seen in Xara and PhotoShop, or even our The bar is really a long thin window very own Photodesk. Now Martin has with the usual Acorn properties. It is provided ArtWorks users with a floating freely and can be placed similar very useful instrument. anywhere on the desktop that is convenient. The ColourBar is a long window which shows all the colours which are To use the colours is extremely currently selected for use, as small simple. You can drag with