Tactile Data

September 28, 2011
by trevorhogan
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iHCI Conference 2011

I presented a poster and paper at the Irish Human Interaction Conference 8th & 9th September 2011.  The title of my paper was “Human-Data Relations and the Lifeworld” This minor study was conducted in order to help me to classify various data visualization technology as well as contextualizing my own work.  Please see below for the full paper & poster, click here to to download a PDF version.

Human-Data Relations and the Lifeworld


This paper introduces a new approach to classifying the way in which data visualizations mediate our experience of the world.  In doing so we will use the concept of human-technology relations as developed by Don Ihde, a phenomenological philosopher of technology.  Following a synopsis of Ihde’s four human-technology relations, each is then developed in the context of specific data visualization technologies/artefacts.

Data Visualization, Design, Experience, Theory.

In contemporary society, data visualisations, in the form of demographic statistics, financial reports, economic trends and others are now been disseminated through many forms of media, which compete for people’s attention, contemplation and comprehension.  To date, research has mainly focused on effectiveness and efficiency as the main factors for assessing the value of data visualisations.  The purpose of this paper is to look beyond these criteria and focus on evaluating the way in which our world is mediated by data visualisations. In order to do this, we have used the concept of human-technology relations as developed by Don Ihde in his book Technology and the Lifeworld: from garden to earth [1].

Ihde asserts that when we think about how our everyday experience is mediated by technology we can characterize this by placing four unique relations along a continuum of human-technology relations, each of which positions us in a slightly different relation to the technology.  He classifies these as: Embodiment Relations, Hermeneutic Relations, Alterity Relations and Background Relations.

According to Ihde, Embodiment Relations are characterized by a “partial symbiosis” of a person and a technology during which the technology in use is “embodied” and becomes “perceptually transparent” [1]. An example given by Ihde is eyeglasses or a telescope, where one looks through rather than at the technology. Hermeneutic Relations involve reading and the interpretation of the technology. Although one might be focused on the technology, what one actually sees – immediately and simultaneously – is not the technology itself but rather the world it refers to.  An example would be a thermometer; we must interpret the output on the display before we can apply it to the world it refers to. Ihde calls the third type of relations Alterity Relations. In this case, technology is experienced as a being that is otherwise, or as Ihde describes, a “quasi-other”.  An example would be an intelligent robot.  Ihde’s argues that the first three relations differ from the last one as they are classified as technologies that require direct and focal attention.  The final category is located at the periphery of human attention. Background Relations is understood as “present absence”, as something not directly experienced yet giving structure to direct experiences. For example, an automated home heating system does not require daily attention, however, it continues to shape the inhabitants’ experience by providing a warm and comfortable environment [1].  Now that we have briefly summarized Ihde’s four human-technology relations the next sections will focus on these relations in the context of data visualizations, presenting a specific real-world example for each of the four relations.

Human-Data: Embodiment Relations
According to Ihde an embodiment relationship with technology involves the technology being transparent or withdrawing from our perceptual awareness. The focus of the human is not on the technology but on the content that it is referring to. To describe this further using a real-world example we have chosen SenseTable [2] as shown in Figure 1. Designed as a learning application, SenseTable utilizes physical objects, projections and sensory feedback in order to visualize a set of complex phenomena that would otherwise be difficult to comprehend using other modalities such as mathematical descriptions and formulas. When students interact with SenseTable they see through the physical and virtual objects that make up the interface to what is being visualized, the principles of System Dynamics and Chemistry. It is important to note, however, that the degree of perceptual transparency one experiences is dependent on a number of factors, including: the familiarity with the application and domain.

Figure 1. SenseTable (with kind permission of James Patten)

For experienced users, SenseTable offers directly experience of the phenomena by manipulating the physical interface, they embody these objects and their focus is now on the results of their actions (the visualisation). It is acknowledged that some people may see SenseTable and other such applications as being on the periphery of what is generally recognised as a data visualisation. Arguably such applications may be defined as simulations and not visualisations. However, it was decided to include SenseTable as an example of embodied relations as it possess many features that are typically associated with data visualisations. This open issue will however be addressed further in future research.
Human-Data: Hermeneutical Relations
Arguably, the predominant relationship that humans have with data visualisations is a hermeneutical one.  If we broadly define data visualisations as artefacts that represent data in a certain modality and which requires interpretation in order to form some insight into the data, then perhaps we maintain a hermeneutical relationship with all data visualisations.  As one of the aims of this research is to help contextualise the practical work developed in conjunction with this research, we will use one example, Vessels of Ireland’s National Debt (1910-2010) as shown in figure 2 to discuss hermeneutical relations with data [3]. Each of these vessels were created by inputting data that represents the national debt of Ireland since 1910 into an algorithm which processed this data and outputted 3D hollow vessels.

Figure 2. Vessels of Ireland’s National Debt (1910-2010)

These were then printed using a 3D-Printer. The purpose of creating vessels from the dataset was to encourage people to reflect on the economic, social and cultural implications that surround the conceived dataset in an interesting and unique manner.  It was intended that the vessels themselves would be the immediate object of interest; however as the audience touch and caress the uneven and pointed edge of the vessels they would think beyond these on the topic of national debt. This process of mediation typifies the hermeneutical relations as declared by Ihde.
Human-Data: Alterity Relations
As noted by Ihde, alterity relations emerge in a wide range of computer technologies that display a quasi-otherness within the limits of linguistics and, more particularly, of logical behaviours [1]. Arguably, no other technology exemplifies these characteristics more clearly than in-car satellite navigation systems (SatNav). Once you have programmed a SatNav it becomes the centre of attention, as a quasi-other, to which we relate by obeying intelligent directions verbalised by the device.  When describing alterity relations, Ihde also discusses the fascination humans have always had with the quasi-autonomy of technology.  This fascination is very evident with the SatNav, however, with this also comes a degree of trust involved in this relationship. When this breaks down (we reach a dead-end) this fascination and trust turn into frustration and even rage, not with oneself but with the quasi-other.
Human-Data: Background Relations
Ihde states that “background technologies, no less than the other focal ones, transform the gestalts of human experience and, precisely because they are absence presences, may exert more subtle indirect effects upon the way the world is experienced” [1].  This account may also be used to describe the concept of ambient visualizations or ambient displays. These technologies are generally defined as a category of data visualizations that convey time-varying data in the periphery of human awareness.  One such example that occupies a background relation to its near audience is the eCLOUD as shown in Figure 3. The eCLOUD [4] is an ambient data visualization sculpture inspired by the volume and behaviour of an idealized cloud.  On permanent show at the San Jose International Airport, the patterns of the artwork are transformed periodically by real-time weather data from around the world. Within the environment which it is placed (5 meters above the floor) eCLOUD has a background role, it does not occupy the focal attention but nevertheless, as a piece of architectural art, it still conditions the context of its environment.

Figure 3. eCLOUD, San Jose International Airport, USA.

This paper presented Don Ihde’s four human-technology relations and developed these in the context of data visualisation technology.  Due to space restrictions only one example was presented for each relation.  However, these examples not only show that our Lifeworld is mediated by data visualisations in education, public art and driving, it also demonstrates that data visualisations occupy each region of the continuum of human-technology relations as described by Don Ihde.
[1] Ihde, D. (1990). Technology and the lifeworld (p. 99). Indiana Univ Press.
[2] Patten, J., Ishii, H., Hines, J., & Pangaro, G. (2001). SenseTable: A Wireless Object Tracking Platform for Tangible User Interfaces.
[3] Hogan, T., (2011). Vessels of Ireland’s National Debt (1910-2010) http://tactiledata.net/?p=23, accessed: June 2011
[4] Goods, D., Hafermaans, N., Koblin, A. (2010). eCLOUD, http://www.ecloudproject.com/, accessed: April 2011


August 21, 2011
by trevorhogan

Arduino-DC Motors exercise

A simple schematic to control 2 dc-motors from the PWM pins on an arduino. Parts:

Next step is to extend this to 10 motors that will be controlled from a). data-stream from pachube.com and b) archived dataset (xml/excel SS)

July 5, 2011
by trevorhogan

David Bowen:: Tele-Present Water

Created by David Bowen, Tele-Present Water installation draws information from the intensity and movement of the water in a remote location. Wave data is collected in real-time from National Oceanic and Atmospheric Administration (NOAA) data buoy station 46075 Shumagin Islands Alaska. The wave intensity and frequency is scaled and transferred to the mechanical grid structure resulting in a simulation of the physical effects caused by the movement of water from this distant location. The installation uses MAX/MSP to drive an Arduino mega running servo firmata. It uses 11 x 24volt dc motors with drivers for the movement.

In May this year Tele-Present Water received one of three ex aequo awards in Alternative Now: The 14th Media Art Biennale WRO 2011, Wroclaw, Poland.


via http://www.creativeapplications.net

June 21, 2011
by trevorhogan

My Todo/Reading list (June-Oct)

This is my Todo/Reading List for the summer months.  I have divided it into two main areas: Reading/Practice.  I will update my progress here on a regular basis over the coming months.

The reading list is divided into 3 sections; Embodiment, Experience and Qualitative Research & Analysis.
Embodiment (Phenomenology)

  • Antle, A. N. (2009). Springboard : Exploring Embodiment , Balance and Social Justice. Social Justice A Journal Of Crime Conflict And World Order, 3961-3966.
  • Antle, A. N., Corness, G., & Droumeva, M. (2009). What the body knows: Exploring the benefits of embodied metaphors in hybrid physical digital environments. Interacting with Computers, 21(1-2), 66-75. doi: 10.1016/j.intcom.2008.10.005.
  • Fallman, D. (2003). In Romance with the Materials of Mobile Interaction: A Phenomenological Approach to the Design of Mobile Information Technology. Doctoral Thesis. Umea University, Sweden: Larsson & Co:s Tryckeri.
  • Fishkin, K. P., Gujar, A., Harrison, B. L., Moran, T. P., & Want, R. (n.d.). Embodied User Interfaces for Really Direct Manipulation. Communications of the ACM, 9.
  • Groenewald, T. (2004). A Phenomenological Research Design Illustrated. International Journal, 3(1), 1-26.
  • Hummels, C.C.M., Overbeeke, C.J., Appleby, R.S., Frens, J.W. & Wensveen, S.A.G. (2008). The power of embodiment for design and vice versa. Form + Zweck, 22, 6-11.
  • Introna, L. D. (1995). Understanding Phenomenology : The use of phenomenology in the social study of technology 1, (2008), 43-60.
  • Introna, L. D., & Ilharco, F. M. (2004). The ontological screening of contemporary life: a phenomenological analysis of screens. European Journal of Information Systems, 13(3), 221-234. doi: 10.1057/palgrave.ejis.3000503.
  • Larssen, A. (2011). How it Feels, not Just How it Looks. University of Technology, Sydney.
  • Schellenberg, S. (2010). The particularity and phenomenology of perceptual experience. Philosophical Studies, 149(1), 19-48. doi: 10.1007/s11098-010-9540-1.
  • Tripathi, A. K. (n.d.). Culture of Embodiment and Technology Reflection. Design, (October 2006), 1-16.
  • Ziemke, T. (2002). What’s that Thing Called Embodiment ? Evolution, 1305-1310.


  • Hurtienne, J., Israel, J. H., & Weber, K. (2008). Cooking up real world business applications combining physicality, digitality, and image schemas. Proceedings of the 2nd international conference on Tangible and embedded interaction – TEI ’08, 239. New York, New York, USA: ACM Press. doi: 10.1145/1347390.1347443.
  • Hurtienne, J., Stößel, C., Weber, K., & Gmbh, U. (2009). Sad is Heavy and Happy is Light Population Stereotypes of Tangible Object Attributes. English, 61-68.
  • Kocsis, A. (n.d.). A phenomenological design analysis of audience experience in digitally augmented exhibitions, 123-135.
  • Light, A. (2007). Transports of delight? What the experience of receiving (mobile) phone calls can tell us about design. Personal and Ubiquitous Computing, 12(5), 391-400. doi: 10.1007/s00779-007-0156-1.
  • McCarthy, J., & Wright, P. (2007). Technology as Experience. Retrieved June 5, 2011.
  • Pallud, J. (n.d.). The application of a phenomenological framework to assess user experience with Museum Technologies. Information Systems, 1-13.

Qualitative Research & Analysis.
(This section will be extended soon…)

  • Silverman, D. (2006). Interpreting Qualitative Data (p. 428). SAGE.


As part of my practise based research, over the next number of months I intend to extend my knowledge of electronics in order to widen the possibilities of integrating high-powered actuators into a circuit.  Presently, I have extensive experience using microcontrollers to control low power actuators, however, I have little experience controlling high-power/multiple actuators in a circuit.  For this project I will be using the Arduino as well as the Nanode along with 5-12v components including servo and stepper motors.  The task I have set myself is to control up to 20 servos independently, once I have this completed I will be able to utilise this knowledge in order to control these and other actuators on a circuit that is driven by remote/local datasets. 


June 13, 2011
by trevorhogan

Vessels of Ireland’s National Debt (1910-2010)

I have been working on translating data on Ireland’s National Debt into Physical Artifacts.  The video below illustrates a number of vessels that will be produced using a 3D printer over the coming weeks.  These vessels were created by inputting the source data into a Spreadsheet, Adobe Illustrator was then used to covert the data into a line graph, finally this graph was imported into 3D Max and modifiers were applied it to translate it into 3 dimensional hollow vessels.  The profile of the vessels reflect the upward trend of the national debt…

June 13, 2011
by trevorhogan

Web -> Googledocs -> Processing -> Image

Today I explored a simple method of scraping tablature data from websites using the ImportHTML function in GoogleDocs. By entering a formula into the cell of a GoogleDocs Spreadsheet e.g. =ImportHtml(“http://en.wikipedia.org/wiki/World_population “;”table”;4) it populated the spreadsheet with the data from the 4th table that appears on this page. Following this I was able to load this data into Processing in order to visualise it.

Here are some of the results…

#1 Allowances and expense of Members of the Irish Parliament 2008 (Data Source: Opendata.ie)

#2 Allowances and expense of Members of the Irish Parliament 2008 (Data Source: Opendata.ie)

#3 Allowances and expense of Members of the Irish Parliament 2008 (Data Source: Opendata.ie)

June 13, 2011
by trevorhogan

Hello :)

Tactiledata.net is a space where you will find regular updates from my PhD research at the University of Strathclyde.  Commencing in June 2011, the overall aim of this research is to describe and understand how embodiment influences and augments an audience’s experience of data driven physical artefacts.  It also seeks to explore whether embodying data in physical metaphors contributes to an audience’s capacity to construct meaning at its interface.  I will use this space to log my journey over the next 5 years, critiquing related research, reviewing contemporary work and presenting my theoretical and practical results.  I hope you will enjoy and engage with the posts that follow…