TUFLOW Message 0305: Difference between revisions
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{{TUFLOW_Message
|tuflow_message=ERROR 0305 - Projection of .mif file is different to that specified by the <font color="black"><tt>MI Projection </tt></font><font color="black"><tt>== </tt></font>command.
|alt_msg=WARNING 0305 - Projection of .
ERROR 0305 - Projection of .shp file is different to that specified by the <font color="black"><tt>GIS Projection </tt></font><font color="black"><tt>== </tt></font> command.<br>
WARNING 0305 - Projection of .shp file is different to that specified by the <font color="black"><tt>GIS Projection </tt></font><font color="black"><tt>== </tt></font> command.<br>
ERROR 0305 - Projection of .gpkg layer is different to that specified by the <font color="black"><tt>GPKG Projection </tt></font><font color="black"><tt>== </tt></font> command.<br>
WARNING 0305 - Projection of .gpkg layer is different to that specified by the <font color="black"><tt>GPKG Projection </tt></font><font color="black"><tt>== </tt></font> command.<br>
|type=[[ERROR]] <br> [[WARNING]]
|message_desc=By default, TUFLOW checks that the projection in each '''.shp''' or '''.mif''' file matches that specified in the <font color="blue"><tt>SHP Projection </tt></font><font color="red"><tt>== </tt></font> or <font color="blue"><tt>MI Projection </tt></font><font color="red"><tt>== </tt></font> command, respectively. This ensures that incoming files are in the same projection as the TUFLOW model. TUFLOW is not a GIS software and does not use the projection information in each file (apart for the check). TUFLOW uses the co-ordinates of the objects in the GIS layer and locates them in the TUFLOW model. Hence the need for a projection check. All model input files should be in the same projection, if inputs are not in the correct projection the data will be in the wrong location and won't be used. If your model is in for example MGA 94 zone 56, and the 2d materials (2d_mat) file is in the wrong projection (e.g. NSW ISG 56/1), these material polygons will be in the wrong location (probably in the middle of the ocean) and they won't be assigned to any model cells.<br>
This message prevents problems with the data provided having a different projection than the TUFLOW model.<br><br>
<u>Message Options</u><br>
This message can be set to give either an error (this is the default): <br>
<font color="
SHP Projection Check </tt></font><font color="red"><tt>== </tt></font><font color="black"><tt>ERROR</tt></font><br>
<font color="blue"><tt>MI Projection Check </tt></font><font color="red"><tt>== </tt></font><font color="black"><tt>ERROR</tt></font><br>
This message can be downgraded to a warning: <br>
<font color="
SHP Projection Check </tt></font><font color="red"><tt>== </tt></font><font color="black"><tt>WARNING</tt></font><br>
<font color="blue"><tt>MI Projection Check </tt></font><font color="red"><tt>== </tt></font><font color="black"><tt>WARNING</tt></font><br>
Or this message can be turned off entirely using (use with caution!): <br>▼
<font color="green"><tt>▼
▲Or this message can be turned off entirely
SHP Projection Check </tt></font><font color="red"><tt>== </tt></font><font color="black"><tt>OFF</tt></font><br>
<font color="blue"><tt>MI Projection Check </tt></font><font color="red"><tt>== </tt></font><font color="black"><tt>OFF</tt></font><br>
<br>▼
<u>Projection Files'''</u><br>
QGIS or ArcMap - The .prj file associated with each shapefile might start similarly as below:<br>
Line 31 ⟶ 33:
<br>
The shapefile projection string can be written slightly differently when switching between GIS packages (e.g. QGIS, ArcMap) or using different tools for shapefile exporting even though it is still the same projection.
Example 1:<br>
<tt>PROJCS["<font color="red">GDA94</font>_MGA_zone_54",GEOGCS["GCS_GDA_1994",DATUM["D_GDA_1994",SPHEROID["GRS_1980",6378137,298.257222101]<br>
PROJCS["<font color="red">GDA_1994</font>_MGA_Zone_54",GEOGCS["GCS_GDA_1994",DATUM["D_GDA_1994",SPHEROID["GRS_1980",6378137,298.257222101]</tt
Example 2:<br>
<tt>PROJCS["GDA94_MGA_zone_54",GEOGCS["GCS_GDA_1994",DATUM["D_GDA_1994",SPHEROID["GRS_1980","<font color="red">6378137</font>,298.257222101]<br>
Line 41 ⟶ 43:
|suggestions=
* Check the projection of the problem file
** QGIS
** MapInfo
* If the GIS layer projection is different from the model projection, re-project to the correct projection. This can be done by saving a copy of the file with correct projection:
*If the file is in the same projection as the TUFLOW model, compare the projection line from the '''.shp''' or '''.mif''' file with that specified in the <font color="green"><tt>SHP Projection == </tt></font> or <font color="green"><tt>MI Projection == </tt></font> command. If the bounds are different, you can overwrite:▼
**QGIS:
** For shapefiles - the '''.prj''' file associated with the shapefile with that in the '''projection.shp'''<br>▼
*** Right click on the file to be re-projected
*** Under '''CRS''' select the correct projection and save
**MapInfo:
*** Select '''File >> Save Copy As''' and select the table to be saved▼
*** Select the '''Projection...''' button in the dialogue box▼
*** In the '''Choose Projection''' dialogue set the desired projection and save▼
▲* If the file is in the same projection as the TUFLOW model, compare the projection line from the '''.shp''' or '''.mif''' file with that specified in the <font color="
▲**
** MIF files - the projection line (line 4) in the problem '''.mif''' file with that in the projection.mif, re-import the file and export the file (backup first).
* Develop a model entirely within one GIS software.
* Use the latest TUFLOW release. Since 2020-01-AB release, TUFLOW parses the parameter data into number values and compares each of these numbers to check they are consistent. This should provide a more robust check less prone to falsely flagging the projections as different with "Message 0305"
▲<br>
▲* Select '''File >> Save Copy As'''
▲* Select the table to be saved
▲* Select the '''Projection...''' button in the dialogue box
▲* In the '''Choose Projection''' dialogue set the desired projection
|uplink=[[0xxx_TUFLOW_Messages|0xxx Messages]]
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