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Saturday, 12 May 2012

Excellent Swanage Map

Below is an excellent map of the Isle of Purbeck made by Tom Lousada. Underneath he details how he created it. This is a very useful set of skills to practise in general, but they will be particularly helpful for writing up fieldwork projects.
(To see the map in a larger format, just click on it)

Slide Background:
The slide background was a screenshot taken off Google Earth. The Google Earth Image had been created by Pinpointing various geological features; i.e. Durdle Door, using the Pinpoint button on the top bar.
The layers of rock geology were created by drawing a polygon over the areas of each rock type. The data for this was taken from the booklet we received before beginning the task. These polygons were then made only 60% opaque and pinned to the ground so that we could see the land underneath.
Making sure only the Pins and the polygons were ticked on the side bar, the screen was then print screened and pasted into Paint where it was then cropped and saved as an image. A PowerPoint document was then opened up and the layout changed to blank. By right-clicking on the slide, format background was selected and the Google Earth picture was selected from a file. The edges were then edited so that the picture was 0 on every side.

Pictures on slide:
After finding pictures of each geological feature on Google, they were all pasted onto the document. Making sure that they were all selected as ‘tight’ in the text wrapping pane, they were spread evenly around the document, avoiding the top and bottom right hand corners, with each picture near to its corresponding Pinpoint.
Arrows were then inserted from the pictures to their Pinpoints and the colour changed so that they could be easily seen against the background.

Title and Key:The title and key were both created by inserting a textbox into the top and bottom right-hand corners and then changing the ‘fill’ of the textbox to white. At the top, the title was written in bold and underlined in a large font, while underneath was a brief summary of what the slide showed and how they were formed. At the bottom, a key was placed describing the colours of the geology on the background in terms of what rock type they were (and whether they were more or less resistant).

By Tom Lousada

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