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Raster to Vector Conversion with Descartes 2004

Agenda. Working with raster dataCapabilitiesPrior to ConversionDrawing LinesShortcut KeysAuto ConversionConverting TextWorking with NodesQuestions

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Raster to Vector Conversion with Descartes 2004

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    1. Raster to Vector Conversion with Descartes 2004 Kevin van Haaren HNTB Corporation kvanhaaren@hntb.com

    2. Agenda Working with raster data Capabilities Prior to Conversion Drawing Lines Shortcut Keys Auto Conversion Converting Text Working with Nodes Questions & Answers

    3. Working with Raster Data Attach image, draw on top Easy Least flexible (hard to screen back rasters) Attach image, edit image, draw on top Poor CADD tools Attach image, convert to vectors, detach image Can be time consuming Accuracy issues with all methods

    4. Capabilities Not a magic one button solution Still involves lots of manual work Provides tools to help technician to redraw raster images Hand drawn images harder to work with than scanned computer drawn images

    5. Before Converting Raster Cleanup Despeckle image Erase unneeded parts Crop borders Locate Tolerance Configuration Set locate tolerance to size that doesn’t cause two or more lines to be selected

    6. Drawing Lines Turn on Raster Snap Turn off Auto Convert Leave Erase Raster off

    7. Shortcut Keys While in vectorize tools you can use: F2 – Undo Data Points F3 – Redo Data Points F5 – Center view on cursor F6 – Center view on last entered point F8 – Spy Window

    8. Auto Conversion Decartes Place Element Turn on Auto Convert Gap Jumping (if desired) Poorly drawn lines Dotted Lines Only in direction specified Convert Lines All directions Auto-continue Reset continues on end nodes

    9. Convert Text Raster Manager Dialog Text/Cells Multiple Text Area: Block Turn on Convert Now Set Orientation to Horizontal Use rulers to set Min/Max text heights Define Block Make Corrections Special Preferences

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