I need an outline of a medieval jug to reconstruct.
I have found this in a report from the medieval kiln in Audlem, Cheshire.
Friday, 25 November 2016
Wednesday, 23 November 2016
What did the Kiln look like?
I have stumbled on a excellent (free of course) CAD package, and to learn how to use it I have started to recreate the kiln.
This is my 5th attempt! (first attemt at a fire!)
Next I will add arrows to show the flow of air/heat.
C
This is my 5th attempt! (first attemt at a fire!)
Next I will add arrows to show the flow of air/heat.
C
Wednesday, 16 November 2016
First report of feature in south field from October 2015
Hi, as winter approaches and we will be shutting down the main trench, I have been looking through the archives and thought it was about time we had a look again at the feature in the south field. There is a rectangular feature that may be a fishpond or something else with a curved boundary next to it. Strangely, it has a distinct cinder layer just under the top soil.
Here is a link to the initial report written in October 2015. (please let me know if the link to the document does not work, I am experimenting 8)
I will post the second report when I find it.
C
Here is a link to the initial report written in October 2015. (please let me know if the link to the document does not work, I am experimenting 8)
I will post the second report when I find it.
C
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| Feature in south field behind the house |
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| Google Earth 2000 |
Thursday, 10 November 2016
First drawing of context 52 (red layer)
For the first time this week we could see the extent of context 52 so a drawing has been produced.
In the above plan, context 52 is shown in red. It consists of an equal mixture of red pot and kiln material. There is little or no glazed pot. It is adjacent to the kiln and sits on top of context 52 which looks like a 2cm thick layer of clay/mud with a large amount of charcoal in it. It is directly under context 43, the black pot filled layer.
Context 43 runs over the top of the kiln (black dotted line indicates estimate) as evidenced in the section behind the kiln, so must have been deposited after the kiln went out of use.
Context 52 is up against the side of the kiln, so was most likely deposited after/during the last firing(s) of the kiln.
| Plan Number: 02 |
Context 43 runs over the top of the kiln (black dotted line indicates estimate) as evidenced in the section behind the kiln, so must have been deposited after the kiln went out of use.
Context 52 is up against the side of the kiln, so was most likely deposited after/during the last firing(s) of the kiln.
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| Overhead shot from 3D model |
Wednesday, 2 November 2016
In depth anlaysis of Ashton lidar
Hi all,
I have looked in more depth at a feature Alison highlighted (Feature B) on the Ashton lidar published earlier.
On the 1945 Google Earth image there is a area along the hedge line in this position. You can see on the 2016 image that the hedge line has been moved and Feature B is now covered with trees.
I have created a 3D model of that area which shows an area of disturbance at Feature B. The 'lumps and bumps' are about 1m high. There is also a 1m deep depression showing up as well in the other field. On some of the aerial photos this depression is visible.
Now, the lidar data only samples every 2m, so there has been a lot of number crunching to create this model, but it is interesting that something is showing up in this area.
I have looked in more depth at a feature Alison highlighted (Feature B) on the Ashton lidar published earlier.
On the 1945 Google Earth image there is a area along the hedge line in this position. You can see on the 2016 image that the hedge line has been moved and Feature B is now covered with trees.
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| Google Earth 1945 |
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| Google Earth 2016 |
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| 1,2 and 3 are hedgelines: 4 is Feature B: 5 is a depression |
Now, the lidar data only samples every 2m, so there has been a lot of number crunching to create this model, but it is interesting that something is showing up in this area.
Sunday, 23 October 2016
Latest Lidar anaysis
Although we have had the 2m lidar for the site for a while now and I have produced some analysis (putting the sun in various positions to cast different shadows), I have just discovered a free analysis tool which produces a "Sky View Factor" which creates images with the sun in all directions at once casting shadows in all directions. It also produces a dozen or so other analysis types automatically.
Here are a few of the images from the first run, and even though it is only 2m data, they show much more detail than you would expect. You can see all the lost hedgelines and the ploughing patters might give us a clue as to the age of each field boundary.
Key
A = site of kiln1 trench
B = "Fish Pond" and curved boundary
C = "Roman Road" with bank running the length of main field
D = can you make out a diagonal line running from the pond to the brook?
E = linear feature on possible "Mill" site
F = Waterless Woods
G = site of kiln3
H = site of kiln2
Here are a few of the images from the first run, and even though it is only 2m data, they show much more detail than you would expect. You can see all the lost hedgelines and the ploughing patters might give us a clue as to the age of each field boundary.
| Sky View Factor |
A = site of kiln1 trench
B = "Fish Pond" and curved boundary
C = "Roman Road" with bank running the length of main field
D = can you make out a diagonal line running from the pond to the brook?
E = linear feature on possible "Mill" site
F = Waterless Woods
G = site of kiln3
H = site of kiln2
| Hill Shade from multiple directions |
| PCA of hillshading with vertial exageration x 4 |
| PCA of hillshading with vertical exageration x 100 |
Sunday, 16 October 2016
Lidar data for SJ56 and SJ57
Hi Don,
the image below shows the coverage of the free government data (you can download the raw data from http://www.geostore.com/environment-agency/survey.html#/survey ) and unfortunately does not cover the 2 areas you are interested in. The closest it gets is the junction of the A54 and A556 in the centre block.
The coverage for SJ57 (the tile above) is better and at a higher resolution (1m) and I have had a quick look at Woodhouse Hill hillfort overlooking the Mersey.
Here is a couple of images of it including a 3D model.
the image below shows the coverage of the free government data (you can download the raw data from http://www.geostore.com/environment-agency/survey.html#/survey ) and unfortunately does not cover the 2 areas you are interested in. The closest it gets is the junction of the A54 and A556 in the centre block.
The coverage for SJ57 (the tile above) is better and at a higher resolution (1m) and I have had a quick look at Woodhouse Hill hillfort overlooking the Mersey.
Here is a couple of images of it including a 3D model.
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