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annotate doku/source/restrictions.txt @ 310:be441fa4bed0

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Throw an exception in case reading Raster layer fails
author Andre Heinecke <aheinecke@intevation.de>
date Fri, 14 Sep 2012 11:50:40 +0200
parents 4dc2b9aa3c57
children
rev   line source
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1 ..
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2 .. Copyright (c) 2011 by Intevation GmbH, Germany <info@intevation.de>
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3 ..
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4 .. This file is part of MXD2map.
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5 ..
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6 .. This program is free software under the LGPL (>=v2.1)
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7 .. Read the file LICENCE.txt coming with the software for details
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8 .. or visit http://www.gnu.org/licenses/ if it does not exist.
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9 ..
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10 .. MXD2map has been developed on behalf of the
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11 .. Bundesamt fuer Seeschifffahrt und Hydrographie (BSH) in Hamburg
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12 .. by Intevation GmbH.
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13 ..
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14 .. Authors:
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15 .. Raimund Renkert <raimund.renkert@intevation.de>
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16 .. Bjoern Schilberg <bjoern.schilberg@intevation.de>
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17 .. Stephan Holl <stephan.holl@intevation.de>
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18
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19
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20 .. index:: restrictions, label, Raster, ArcSDE, SDE, workaround, picture-symols, windows, ArcEngine
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21 .. _restriction-label:
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22
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23 ------------
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24 Restrictions
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25 ------------
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26
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27 Currently there are some restrictions in the usage of the converter. One
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28 of the main restrictions is the fact that the converter currently only
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29 runs on Windows. This is due to the fact that the needed ArcEngine did
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30 never reliably work on Linux. This was tested with ArcEngine 10.0.
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31
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32 Supported datasources:
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33
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34 * ArcSDE-passwords cannot be read since they are encrypted. The converter
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35 exports the string ``<PASSWORD>`` which needs to be replaced later on in the
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36 resulting mapfile.
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37
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38 * Since MapServer cannot use a FileGeodatabase datasources (yet) the MXD2map
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39 does not support this datasource and will not transform the MXD-file at
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40 all. This may change in the near future.
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41
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42 * Raster data is not supported by the converter yet, though ArcSDE
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43 Raster-support will be available in the near future.
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44
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45 Symbol support:
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46
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47 * Line symbols with pattern cannot be combined with marker symbols. The
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48 converter reads all symbols and writes the corresponding styles to the
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49 resulting mapfile but the marker symbols are rendered without any gap.
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50 The resulting mapimage may not look as intended.
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52 .. hint::
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53 Workarround: For small marker symbols it is recommended to use a line symbol in
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54 combination with pattern (in ArcGIS called template) to create the
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55 symbology.
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56 The reason why marker symbols cannot be used in combination with a template
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57 is the difficulty to interpret the read attributes like marks and gaps and
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58 write the appropriate symbols with the appropiate gap to the mapfile.
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59
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60 * The converter sets the width to 1 for line symbols that have a width
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61 smaller than 1.
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62
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63 .. tip::
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64 To avoid lines and line colors (specially outlines) to be handled by the
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65 converter, use integer numbers for line width only.
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67 * In ArcGIS maps default symbols can be defined as fallback within classifications.
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68 Since MapServer does not support such fallback symbols or styles
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69 within classifications the converter does not read these default symbols.
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71 * In ArcGIS predefined symbols like bars or pie charts can be used to display
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72 values. The converter does not support these symbols yet.
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74 Layer support:
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75
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76 * Expressions for label are parsed by an internal parser in ArcGIS. The
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77 interpretation of this expressions is very limited though.
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78 Therefore label expressions may not contain any special functions or must fit
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79 the mapserver expression design pattern.
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80
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