Mercurial > mxd2map
annotate doku/source/restrictions.txt @ 237:4f6356a908e1
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* website/index-de.htm4, website/index.htm4: some layout-tweaks to make the intro -text appear in one line.
| author | Stephan Holl <stephan.holl@intevation.de> |
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| date | Fri, 05 Aug 2011 10:03:56 +0200 |
| parents | df533a03ad9f |
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1 .. index:: restrictions, label, Raster, SDE, workaround, picture-symols |
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2 .. _restriction-label: |
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3 |
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4 ------------ |
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5 Restrictions |
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6 ------------ |
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7 |
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8 Currently there are some restrictions in the usage of the converter: |
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9 |
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10 Supported datasources: |
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11 |
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12 * ArcSDE-passwords cannot be read since they are encrypted. The converter |
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13 exports the string ``<PASSWORD>`` which needs to be replaced later on in the |
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14 resulting mapfile. |
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15 |
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16 * Since MapServer cannot use a FileGeodatabase datasources (yet) the MXD2map |
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17 does not support this datasource and will not transform the MXD-file at |
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18 all. This may change in the near future. |
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19 |
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20 * Raster data is not supported by the converter yet, though ArcSDE |
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21 Raster-support will be available in the near future. |
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22 |
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23 Symbol support: |
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24 |
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25 * Line symbols with pattern cannot be combined with marker symbols. The |
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26 converter reads all symbols and writes the corresponding styles to the |
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27 resulting mapfile but the marker symbols are rendered without any gap. |
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28 The resulting mapimage may not look as intended. |
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29 |
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30 .. hint:: |
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31 Workarround: For small marker symbols it is recommended to use a line symbol in |
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32 combination with pattern (in ArcGIS called template) to create the |
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33 symbology. |
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34 The reason why marker symbols cannot be used in combination with a template |
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35 is the difficulty to interpret the read attributes like marks and gaps and |
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36 write the appropriate symbols with the appropiate gap to the mapfile. |
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37 |
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38 * The converter sets the width to 1 for line symbols that have a width |
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39 smaller than 1. Outlines with a width smaller than 1 are drawn in the fill |
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40 color of the ploygon and the width is set to 1. |
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41 |
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42 .. tip:: |
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43 To avoid lines and line colors (specially outlines) to be handled by the |
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44 converter, use integer numbers for line width only. |
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45 |
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46 * Picture symbols are not supported by the converter since ArcGIS embedds |
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47 the image directly into the MXDfile. This might be supported in the |
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48 near future. |
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49 |
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50 * In ArcGIS maps default symbols can be defined as fallback within classifications. |
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51 Since MapServer does not support such fallback symbols or styles |
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52 within classifications the converter does not read these default symbols. |
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53 |
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54 * In ArcGIS predefined symbols like bars or pie charts can be used to display |
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55 values. The converter does not support these symbols yet. |
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56 |
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57 Layer support: |
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58 |
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59 * Group-layers are represented as WMS Named Layers (not requestable via |
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60 GetMap-Request). WMS-clients can recognize them as |
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61 'organisation-layers'. |
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62 * Expressions for label are parsed by an internal parser in ArcGIS. The |
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63 interpretation of this expressions is very limited though. |
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64 Therefore label expressions may not contain any special functions or must fit |
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65 the mapserver expression design pattern. |
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66 |