#695: Can't create a location using Select Coordinate System option with WXGUI
Location Wizard
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Reporter: voncasec | Owner: grass-dev@lists.osgeo.org
Type: defect | Status: new
Priority: major | Milestone: 6.4.0
Component: wxGUI | Version: 6.4.0 RCs
Keywords: Location Wizard | Platform: Linux
Cpu: Unspecified |
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I can't specify a UTM projection using the WXGUI's location wizard unless
I also have a specific transformation parameter to select. For example, if
I wanted to create a location using a UTM Zone 11 Projection with the
NAD83 datum, I can only proceed if I choose one of the transformation
parameters specific to either Florida, Maryland,Tennessee, Wisconsin or
Washington. Since none of these transformation parameters apply, I have no
option to select. The Next button remains 'Greyed' out unless an option is
selected. Because Next remains 'Greyed' out, I am not able to complete the
process of creating a location.
Either a Default transformation parameter for the whole region should be
added that is selectable, or people should be able to proceed without
choosing a local transformation parameter.
I shouldn't have listed this as a major defect, because there are already alternative options for selecting a coordinate system (e.g. using EPSG code or proj4 definition). Its more of an inconvenience.
If I go through the location wizard and choose the "select EPSG code of a coordinate system" option, I can navigate through the list, chose a UTM projection using the NAD83 datum (e.g. Zone 10 N). After hitting the next button I am given the option to choose my datum transformation option. The first option says it is the default used in the whole nad83 region (towgs84 = 0,0,0). However this default datum transformation option is not available when I go through the "Select Coordinate System" option using location wizard.
I guess I was expecting a "default" datum transformation parameter when creating a location using the choose coordinate system option, similar to how it exists with the select EPSG code option.
I have only noticd this with NAD83 projections so far.
Casey
#695: Can't create a location using Select Coordinate System option with WXGUI
Location Wizard
-----------------------+----------------------------------------------------
Reporter: voncasec | Owner: grass-dev@lists.osgeo.org
Type: defect | Status: new Priority: major | Milestone: 6.4.0 Component: wxGUI | Version: 6.4.0 RCs Resolution: | Keywords: Location Wizard Platform: Linux | Cpu: Unspecified -----------------------+----------------------------------------------------
Comment (by neteler):
Which parameters did you expect? We may be able to add them.
#695: Can't create a location using Select Coordinate System option with WXGUI
Location Wizard
-----------------------+----------------------------------------------------
Reporter: voncasec | Owner: grass-dev@lists.osgeo.org
Type: defect | Status: new
Priority: major | Milestone: 6.4.0
Component: wxGUI | Version: 6.4.0 RCs
Resolution: | Keywords: Location Wizard
Platform: Linux | Cpu: Unspecified
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Comment (by martinl):
Replying to [comment:1 neteler]:
> Which parameters did you expect? We may be able to add them.
From ML:
I shouldn't have listed this as a major defect, because there are already
alternative options for selecting a coordinate system (e.g. using EPSG
code or proj4 definition). Its more of an inconvenience.
If I go through the location wizard and choose the "select EPSG code of a
coordinate system" option, I can navigate through the list, chose a UTM
projection using the NAD83 datum (e.g. Zone 10 N). After hitting the next
button I am given the option to choose my datum transformation option. The
first option says it is the default used in the whole nad83 region
(towgs84 = 0,0,0). However this default datum transformation option is not
available when I go through the "Select Coordinate System" option using
location wizard.
I guess I was expecting a "default" datum transformation parameter when
creating a location using the choose coordinate system option, similar to
how it exists with the select EPSG code option.
I have only noticd this with NAD83 projections so far.